======================================
| [   12.172956][  T180] softirqs last disabled at (81321): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.172959][  T180] Preemption disabled at:
| [   12.172960][  T180] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.172968][  T180] Tainted: [W]=WARN
[   12.172969][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.172971][  T180] Call Trace:
[   12.172972][  T180]  <TASK>
[   12.172974][  T180]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.172980][  T180]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.172981][  T180]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.172986][  T180]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.172990][  T180]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.172994][  T180]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.172996][  T180]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.173003][  T180]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.173006][  T180]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.173010][  T180]  put_chars (drivers/char/virtio_console.c:1176)
[   12.173013][  T180]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.173015][  T180]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.173018][  T180]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.173022][  T180]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.173026][  T180]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.173030][  T180]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.173032][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.173034][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.173038][  T180]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.173040][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.173044][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.173048][  T180]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.173053][  T180]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.173055][  T180]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.173058][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.173060][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.173064][  T180]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.173068][  T180]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.173070][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.173076][  T180]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.173079][  T180]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.173080][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.173082][  T180]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.173091][  T180]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.173093][  T180]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.173096][  T180]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.173099][  T180]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.173105][  T180]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[   12.173109][  T180]  _printk (kernel/printk/printk.c:2504)
[   12.173113][  T180]  ? snapshot_read.cold (user.c:?)
[   12.173119][  T180]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   12.173123][  T180] dp_init (net/openvswitch/actions.c:729) openvswitch
[   12.173131][  T180]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[   12.173134][  T180]  do_one_initcall (init/main.c:1357)
[   12.173137][  T180]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.173142][  T180]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.173144][  T180]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.173150][  T180]  do_init_module (kernel/module/main.c:3117)
[   12.173153][  T180]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.173157][  T180]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.173160][  T180]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.173163][  T180]  load_module (kernel/module/main.c:3593)
[   12.173169][  T180]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   12.173174][  T180]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.173177][  T180]  ? __ia32_sys_fsconfig (??:?)
[   12.173181][  T180]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.173185][  T180]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.173188][  T180]  init_module_from_file (kernel/module/main.c:3790)
[   12.173191][  T180]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.173199][  T180]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.173202][  T180]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.173206][  T180]  idempotent_init_module (kernel/module/main.c:3802)
[   12.173209][  T180]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.173214][  T180]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.173217][  T180]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   12.173222][  T180]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.173224][  T180]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.173228][  T180]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.173231][  T180]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.173233][  T180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.173235][  T180] RIP: 0033:0x7f324fa0537d
[   12.173239][  T180] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.173241][  T180] RSP: 002b:00007ffeb8140068 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.173243][  T180] RAX: ffffffffffffffda RBX: 0000559dfc5bd810 RCX: 00007f324fa0537d
[   12.173245][  T180] RDX: 0000000000000000 RSI: 0000559dcf199ffd RDI: 0000000000000005
[   12.173246][  T180] RBP: 00007ffeb8140100 R08: 0000000000000000 R09: 646f6d2f62696c2f
[   12.173247][  T180] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559dcf199ffd
[   12.173247][  T180] R13: 0000559dfc5bda90 R14: 0000000000040000 R15: 0000000000000000
| [   13.941442][  T215] softirqs last disabled at (388272): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.941444][  T215] Preemption disabled at:
| [   13.941445][  T215] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.941454][  T215] Tainted: [W]=WARN
[   13.941455][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.941456][  T215] Call Trace:
[   13.941458][  T215]  <TASK>
[   13.941459][  T215]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.941465][  T215]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.941467][  T215]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.941472][  T215]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.941476][  T215]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.941481][  T215]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.941483][  T215]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.941490][  T215]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.941493][  T215]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.941497][  T215]  put_chars (drivers/char/virtio_console.c:1176)
[   13.941499][  T215]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.941501][  T215]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   13.941505][  T215]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.941509][  T215]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.941513][  T215]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.941515][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.941517][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.941521][  T215]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.941523][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.941528][  T215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.941532][  T215]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.941536][  T215]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.941538][  T215]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.941541][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.941544][  T215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.941548][  T215]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.941552][  T215]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.941554][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.941560][  T215]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.941563][  T215]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.941565][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.941566][  T215]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.941570][  T215]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.941572][  T215]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.941575][  T215]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.941578][  T215]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.941580][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.941582][  T215]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   13.941587][  T215]  _printk (kernel/printk/printk.c:2504)
[   13.941590][  T215]  ? snapshot_read.cold (user.c:?)
[   13.941592][  T215]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   13.941598][  T215]  ? idr_get_free (??:?)
[   13.941603][  T215]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   13.941611][  T215]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.941617][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.941619][  T215]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   13.941623][  T215]  __nla_validate_parse (lib/nlattr.c:635)
[   13.941628][  T215]  __nla_parse (lib/nlattr.c:732)
[   13.941630][  T215]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   13.941635][  T215]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   13.941639][  T215]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   13.941648][  T215]  ? security_capable (security/security.c:660 (discriminator 11))
[   13.941652][  T215]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   13.941656][  T215]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   13.941658][  T215]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.941662][  T215]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   13.941670][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.941676][  T215]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   13.941679][  T215]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.941681][  T215]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   13.941685][  T215]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.941692][  T215]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.941694][  T215]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.941699][  T215]  genl_rcv (net/netlink/genetlink.c:1218)
[   13.941701][  T215]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.941705][  T215]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.941709][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.941716][  T215]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.941720][  T215]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.941722][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.941725][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.941730][  T215]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.941733][  T215]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   13.941737][  T215]  __sys_sendto (net/socket.c:2281)
[   13.941740][  T215]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   13.941752][  T215]  ? fput_close_sync (fs/file_table.c:617)
[   13.941755][  T215]  ? alloc_file_clone (fs/file_table.c:479)
[   13.941760][  T215]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   13.941762][  T215]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.941766][  T215]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.941768][  T215]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   13.941771][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.941773][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.941775][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.941778][  T215] RIP: 0033:0x7f426a63b312
[   13.941781][  T215] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   13.941783][  T215] RSP: 002b:00007ffd9d5153e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   13.941786][  T215] RAX: ffffffffffffffda RBX: 00007ffd9d515518 RCX: 00007f426a63b312
[   13.941787][  T215] RDX: 0000000000000044 RSI: 00007f4266212f10 RDI: 0000000000000020
[   13.941788][  T215] RBP: 00007ffd9d515410 R08: 00007ffd9d515590 R09: 000000000000000c
[   13.941789][  T215] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f426849e120
[   13.941790][  T215] R13: 00007ffd9d515518 R14: 00007f4269f5a01a R15: 00007ffd9d515908
| [   15.531001][  T261] softirqs last disabled at (386142): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   15.531003][  T261] Preemption disabled at:
| [   15.531004][  T261] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.531013][  T261] Tainted: [W]=WARN
[   15.531014][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.531016][  T261] Call Trace:
[   15.531017][  T261]  <TASK>
[   15.531019][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.531025][  T261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.531027][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.531031][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.531035][  T261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.531040][  T261]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.531042][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.531048][  T261]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.531051][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.531055][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   15.531057][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.531061][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.531064][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.531068][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.531072][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.531074][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.531079][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.531082][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.531084][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.531089][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.531093][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.531095][  T261]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.531098][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.531100][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.531111][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.531116][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.531118][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.531123][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.531126][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.531128][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.531130][  T261]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   15.531134][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.531136][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.531138][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.531142][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.531147][  T261]  _printk (kernel/printk/printk.c:2504)
[   15.531151][  T261]  ? snapshot_read.cold (user.c:?)
[   15.531154][  T261]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[   15.531157][  T261]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[   15.531161][  T261]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   15.531162][  T261]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   15.531166][  T261]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   15.531170][  T261]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.531172][  T261]  ? netdev_notice (net/core/dev.c:13194)
[   15.531174][  T261]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   15.531183][  T261]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   15.531186][  T261]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   15.531189][  T261]  netif_set_promiscuity (net/core/dev.c:9699)
[   15.531193][  T261]  dev_set_promiscuity (net/core/dev_api.c:288)
[   15.531195][  T261]  ? dev_disable_lro (net/core/dev_api.c:267)
[   15.531197][  T261] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   15.531203][  T261] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   15.531208][  T261] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   15.531212][  T261]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[   15.531217][  T261] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   15.531223][  T261]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   15.531226][  T261]  ? __nla_validate_parse (lib/nlattr.c:635)
[   15.531232][  T261]  ? __nla_parse (lib/nlattr.c:732)
[   15.531235][  T261]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   15.531240][  T261]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   15.531243][  T261]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   15.531252][  T261]  ? security_capable (security/security.c:660 (discriminator 11))
[   15.531256][  T261]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   15.531260][  T261]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   15.531262][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.531264][  T261]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   15.531269][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.531274][  T261]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   15.531278][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.531280][  T261]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   15.531283][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.531291][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.531292][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.531296][  T261]  genl_rcv (net/netlink/genetlink.c:1218)
[   15.531299][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.531303][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.531307][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.531310][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.531314][  T261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.531316][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.531319][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.531324][  T261]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.531327][  T261]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   15.531331][  T261]  __sys_sendto (net/socket.c:2281)
[   15.531334][  T261]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   15.531345][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   15.531352][  T261]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   15.531354][  T261]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.531358][  T261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.531359][  T261]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   15.531362][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.531364][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.531366][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.531369][  T261] RIP: 0033:0x7f505b3d3312
[   15.531372][  T261] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   15.531374][  T261] RSP: 002b:00007fffceafa308 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   15.531377][  T261] RAX: ffffffffffffffda RBX: 00007fffceafa438 RCX: 00007f505b3d3312
[   15.531378][  T261] RDX: 0000000000000030 RSI: 00007f5052fd7e70 RDI: 0000000000000023
[   15.531379][  T261] RBP: 00007fffceafa330 R08: 00007fffceafa4b0 R09: 000000000000000c
[   15.531380][  T261] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5059236200
[   15.531381][  T261] R13: 00007fffceafa438 R14: 00007f505acf201a R15: 00007fffceafa828
| [   15.538077][    C0]
| [   15.538077][    C0]
| [   15.538077][    C0] stack backtrace:
| [   15.538082][    C0] Tainted: [W]=WARN
[   15.538082][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.538084][    C0] Call Trace:
[   15.538084][    C0]  <IRQ>
[   15.538085][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.538089][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   15.538091][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   15.538093][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   15.538096][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   15.538098][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   15.538099][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   15.538102][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.538111][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   15.538113][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.538115][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.538117][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   15.538119][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   15.538121][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   15.538122][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.538124][    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))
[   15.538126][    C0]  _printk (kernel/printk/printk.c:2504)
[   15.538128][    C0]  ? snapshot_read.cold (user.c:?)
[   15.538130][    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))
[   15.538131][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.538134][    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))
[   15.538135][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   15.538137][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   15.538139][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   15.538141][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   15.538142][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   15.538145][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.538147][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.538148][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.538150][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   15.538152][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   15.538154][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   15.538156][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.538159][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.538162][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   15.538164][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   15.538165][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.538168][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.538169][    C0]  handle_softirqs (kernel/softirq.c:645)
[   15.538171][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.538172][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   15.538175][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   15.538176][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   15.538178][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   15.538179][    C0]  </IRQ>
[   15.538180][    C0]  <TASK>
[   15.538180][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   15.538182][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   15.538184][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   15.538186][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   15.538187][    C0] RSP: 0018:ffffffff92a07cf8 EFLAGS: 00000296
[   15.538189][    C0] RAX: 000000000005cd87 RBX: ffffffff92a30600 RCX: ffffffff8f106247
[   15.538190][    C0] RDX: ffffffff92a30600 RSI: ffffffff92311027 RDI: ffffffff91c949e0
[   15.538191][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   15.538192][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2540fa2
[   15.538192][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   15.538194][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   15.538196][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.538197][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   15.538199][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   15.538200][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   15.538202][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   15.538204][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   15.538206][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.538208][    C0]  do_idle (kernel/sched/idle.c:355)
[   15.538209][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   15.538211][    C0]  rest_init (init/main.c:727)
[   15.538213][    C0]  ? __cpuidle_text_end (??:?)
[   15.538215][    C0]  ? rest_init (init/main.c:727)
[   15.538217][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   15.538220][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   15.538222][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   15.538224][    C0]  start_kernel (init/main.c:1185)
[   15.538226][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   15.538227][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   15.538229][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   19.018662][  T361] softirqs last disabled at (0): 0x0
| [   19.018665][  T361] Preemption disabled at:
| [   19.018666][  T361] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.018678][  T361] Tainted: [W]=WARN
[   19.018680][  T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.018682][  T361] Call Trace:
[   19.018684][  T361]  <TASK>
[   19.018685][  T361]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.018692][  T361]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.018694][  T361]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.018698][  T361]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.018702][  T361]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   19.018705][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018711][  T361]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   19.018715][  T361]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.018719][  T361]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.018725][  T361]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.018727][  T361]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.018731][  T361]  put_chars (drivers/char/virtio_console.c:1176)
[   19.018733][  T361]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   19.018735][  T361]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.018738][  T361]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   19.018742][  T361]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.018748][  T361]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.018751][  T361]  ? 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)
[   19.018753][  T361]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   19.018757][  T361]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.018760][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018762][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.018765][  T361]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.018769][  T361]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.018772][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018774][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018775][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018777][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.018780][  T361]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   19.018783][  T361]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.018786][  T361]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.018790][  T361]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.018793][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.018795][  T361]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.018798][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018799][  T361]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   19.018802][  T361]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   19.018804][  T361]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   19.018806][  T361]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.018809][  T361]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.018812][  T361]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.018814][  T361]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.018816][  T361]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   19.018821][  T361]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   19.018824][  T361]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   19.018829][  T361]  _printk (kernel/printk/printk.c:2504)
[   19.018833][  T361]  ? snapshot_read.cold (user.c:?)
[   19.018836][  T361]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.018840][  T361]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.018843][  T361]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.018846][  T361]  ? netdev_notice (net/core/dev.c:13194)
[   19.018849][  T361]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   19.018853][  T361]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   19.018857][  T361]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.018859][  T361]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   19.018863][  T361]  netif_set_promiscuity (net/core/dev.c:9699)
[   19.018867][  T361]  dev_set_promiscuity (net/core/dev_api.c:288)
[   19.018869][  T361]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.018873][  T361] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   19.018882][  T361] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   19.018889][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018891][  T361]  notifier_call_chain (kernel/notifier.c:85)
[   19.018896][  T361]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   19.018899][  T361]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   19.018904][  T361]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   19.018906][  T361]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   19.018909][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018911][  T361]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.018913][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018923][  T361]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   19.018926][  T361]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.018929][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018931][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018933][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.018935][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018937][  T361]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   19.018939][  T361]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   19.018943][  T361]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   19.018945][  T361]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   19.018948][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018950][  T361]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.018954][  T361]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   19.018958][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018959][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.018962][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018964][  T361]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.018966][  T361]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.018969][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.018971][  T361]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   19.018975][  T361]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   19.018980][  T361]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.018983][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.018986][  T361]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   19.018988][  T361]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.018990][  T361]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   19.018995][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.018997][  T361]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   19.019000][  T361]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.019003][  T361]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.019006][  T361]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.019009][  T361]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.019012][  T361]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.019015][  T361]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   19.019017][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.019019][  T361]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   19.019024][  T361]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   19.019028][  T361]  ____sys_sendmsg (net/socket.c:2713)
[   19.019030][  T361]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.019033][  T361]  ? sock_write_iter (net/socket.c:1269)
[   19.019035][  T361]  ? move_addr_to_kernel (net/socket.c:258)
[   19.019037][  T361]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   19.019041][  T361]  ___sys_sendmsg (net/socket.c:2767)
[   19.019044][  T361]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.019053][  T361]  __sys_sendmsg (net/socket.c:2799)
[   19.019055][  T361]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.019060][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.019062][  T361]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.019066][  T361]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.019069][  T361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.019071][  T361] RIP: 0033:0x7fd1bdad554e
[   19.019073][  T361] 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
[   19.019076][  T361] RSP: 002b:00007ffd6fbe54b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.019080][  T361] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd1bdad554e
[   19.019082][  T361] RDX: 0000000000000000 RSI: 00007ffd6fbe5560 RDI: 0000000000000005
[   19.019084][  T361] RBP: 00007ffd6fbe54c0 R08: 0000000000000000 R09: 0000000000000000
[   19.019085][  T361] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b33
[   19.019086][  T361] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6fbe5c20
| [   21.402187][  T420] softirqs last disabled at (0): 0x0
| [   21.402189][  T420] Preemption disabled at:
| [   21.402190][  T420] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.402200][  T420] Tainted: [W]=WARN
[   21.402201][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.402202][  T420] Call Trace:
[   21.402204][  T420]  <TASK>
[   21.402205][  T420]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.402211][  T420]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.402212][  T420]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.402216][  T420]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.402220][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.402222][  T420]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.402225][  T420]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.402228][  T420]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.402233][  T420]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.402235][  T420]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.402237][  T420]  put_chars (drivers/char/virtio_console.c:1176)
[   21.402239][  T420]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.402241][  T420]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   21.402244][  T420]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.402248][  T420]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.402250][  T420]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.402252][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.402253][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.402256][  T420]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.402258][  T420]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.402260][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.402261][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.402262][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.402263][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.402265][  T420]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   21.402267][  T420]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.402269][  T420]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.402272][  T420]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.402274][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.402275][  T420]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.402277][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.402278][  T420]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.402279][  T420]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   21.402281][  T420]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   21.402282][  T420]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.402284][  T420]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.402286][  T420]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.402287][  T420]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.402289][  T420]  ? 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)
[   21.402290][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.402291][  T420]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   21.402295][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.402297][  T420]  _printk (kernel/printk/printk.c:2504)
[   21.402300][  T420]  ? snapshot_read.cold (user.c:?)
[   21.402301][  T420]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   21.402305][  T420]  ? idr_get_free (??:?)
[   21.402307][  T420]  ? 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)
[   21.402310][  T420]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   21.402317][  T420]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.402321][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.402322][  T420]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   21.402325][  T420]  __nla_validate_parse (lib/nlattr.c:635)
[   21.402327][  T420]  __nla_parse (lib/nlattr.c:732)
[   21.402329][  T420]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   21.402332][  T420]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.402334][  T420]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   21.402336][  T420]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   21.402339][  T420]  ? security_capable (security/security.c:660 (discriminator 11))
[   21.402342][  T420]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   21.402345][  T420]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   21.402347][  T420]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   21.402354][  T420]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   21.402357][  T420]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   21.402359][  T420]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   21.402361][  T420]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.402363][  T420]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   21.402366][  T420]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.402368][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.402370][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.402371][  T420]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.402373][  T420]  genl_rcv (net/netlink/genetlink.c:1218)
[   21.402375][  T420]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.402377][  T420]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.402380][  T420]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.402382][  T420]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.402384][  T420]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.402386][  T420]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.402387][  T420]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.402390][  T420]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   21.402393][  T420]  __sys_sendto (net/socket.c:2281)
[   21.402395][  T420]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   21.402399][  T420]  ? fput_close_sync (fs/file_table.c:617)
[   21.402402][  T420]  ? alloc_file_clone (fs/file_table.c:479)
[   21.402404][  T420]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   21.402406][  T420]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.402407][  T420]  ? 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))
[   21.402409][  T420]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   21.402410][  T420]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.402413][  T420]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.402415][  T420]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.402417][  T420] RIP: 0033:0x7f8d3295e312
[   21.402419][  T420] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   21.402420][  T420] RSP: 002b:00007ffe37adad98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   21.402424][  T420] RAX: ffffffffffffffda RBX: 00007ffe37adaec8 RCX: 00007f8d3295e312
[   21.402425][  T420] RDX: 0000000000000040 RSI: 00007f8d2e52b000 RDI: 0000000000000020
[   21.402426][  T420] RBP: 00007ffe37adadc0 R08: 00007ffe37adaf40 R09: 000000000000000c
[   21.402427][  T420] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8d307be0b0
[   21.402428][  T420] R13: 00007ffe37adaec8 R14: 00007f8d3227d01a R15: 00007ffe37adb2b8
| [   23.212108][  T511] softirqs last disabled at (0): 0x0
| [   23.212110][  T511] Preemption disabled at:
| [   23.212111][  T511] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.212121][  T511] Tainted: [W]=WARN
[   23.212122][  T511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.212124][  T511] Call Trace:
[   23.212126][  T511]  <TASK>
[   23.212127][  T511]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.212133][  T511]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.212134][  T511]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.212139][  T511]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.212142][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.212153][  T511]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.212155][  T511]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.212158][  T511]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.212163][  T511]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.212165][  T511]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.212168][  T511]  put_chars (drivers/char/virtio_console.c:1176)
[   23.212170][  T511]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.212171][  T511]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   23.212174][  T511]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   23.212176][  T511]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.212181][  T511]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.212183][  T511]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.212184][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.212185][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.212186][  T511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.212189][  T511]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.212191][  T511]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.212194][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.212194][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.212195][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.212196][  T511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.212198][  T511]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   23.212200][  T511]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.212202][  T511]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.212205][  T511]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.212207][  T511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.212209][  T511]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.212211][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.212212][  T511]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.212213][  T511]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.212215][  T511]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   23.212216][  T511]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.212218][  T511]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.212220][  T511]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.212221][  T511]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.212223][  T511]  _printk (kernel/printk/printk.c:2504)
[   23.212227][  T511]  ? snapshot_read.cold (user.c:?)
[   23.212228][  T511]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   23.212231][  T511]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   23.212235][  T511]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   23.212237][  T511]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.212240][  T511]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.212242][  T511]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.212244][  T511]  ? netdev_notice (net/core/dev.c:13194)
[   23.212246][  T511]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   23.212253][  T511]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.212255][  T511]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   23.212257][  T511]  netif_set_promiscuity (net/core/dev.c:9699)
[   23.212260][  T511]  dev_set_promiscuity (net/core/dev_api.c:288)
[   23.212262][  T511]  ? dev_disable_lro (net/core/dev_api.c:267)
[   23.212263][  T511] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   23.212267][  T511] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   23.212271][  T511]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.212273][  T511] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   23.212277][  T511]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   23.212281][  T511] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   23.212285][  T511]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   23.212288][  T511]  ? __nla_validate_parse (lib/nlattr.c:635)
[   23.212293][  T511]  ? __nla_parse (lib/nlattr.c:732)
[   23.212294][  T511]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   23.212299][  T511]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   23.212301][  T511]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   23.212304][  T511]  ? security_capable (security/security.c:660 (discriminator 11))
[   23.212307][  T511]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   23.212310][  T511]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   23.212312][  T511]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   23.212315][  T511]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   23.212318][  T511]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   23.212320][  T511]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   23.212322][  T511]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.212324][  T511]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   23.212326][  T511]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.212329][  T511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.212331][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.212332][  T511]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.212334][  T511]  genl_rcv (net/netlink/genetlink.c:1218)
[   23.212336][  T511]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.212338][  T511]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.212340][  T511]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   23.212342][  T511]  ? 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)
[   23.212345][  T511]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.212347][  T511]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.212349][  T511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.212350][  T511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.212352][  T511]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.212355][  T511]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   23.212358][  T511]  __sys_sendto (net/socket.c:2281)
[   23.212360][  T511]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   23.212363][  T511]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   23.212365][  T511]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   23.212370][  T511]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   23.212372][  T511]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.212373][  T511]  ? 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))
[   23.212375][  T511]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   23.212376][  T511]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.212379][  T511]  ? irq_exit_rcu (kernel/softirq.c:786)
[   23.212381][  T511]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.212383][  T511] RIP: 0033:0x7f421217b312
[   23.212386][  T511] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   23.212387][  T511] RSP: 002b:00007ffda73a4a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   23.212391][  T511] RAX: ffffffffffffffda RBX: 00007ffda73a4bb8 RCX: 00007f421217b312
[   23.212392][  T511] RDX: 0000000000000030 RSI: 00007f420dda7030 RDI: 0000000000000023
[   23.212393][  T511] RBP: 00007ffda73a4ab0 R08: 00007ffda73a4c30 R09: 000000000000000c
[   23.212394][  T511] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f420ffde270
[   23.212395][  T511] R13: 00007ffda73a4bb8 R14: 00007f4211a9a01a R15: 00007ffda73a4fa8
| [   40.134122][  T668] softirqs last disabled at (0): 0x0
| [   40.134124][  T668] Preemption disabled at:
| [   40.134125][  T668] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.134135][  T668] Tainted: [W]=WARN
[   40.134136][  T668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.134138][  T668] Call Trace:
[   40.134139][  T668]  <TASK>
[   40.134141][  T668]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.134146][  T668]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.134148][  T668]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.134151][  T668]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.134155][  T668]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   40.134156][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134159][  T668]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   40.134162][  T668]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   40.134164][  T668]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.134169][  T668]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.134171][  T668]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.134173][  T668]  put_chars (drivers/char/virtio_console.c:1176)
[   40.134175][  T668]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   40.134176][  T668]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.134178][  T668]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   40.134181][  T668]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.134185][  T668]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.134187][  T668]  ? 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)
[   40.134189][  T668]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   40.134192][  T668]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   40.134193][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134194][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.134197][  T668]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.134200][  T668]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.134202][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134203][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134204][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134205][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.134207][  T668]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   40.134208][  T668]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.134211][  T668]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.134213][  T668]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.134215][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.134217][  T668]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.134219][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134219][  T668]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.134221][  T668]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   40.134223][  T668]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   40.134224][  T668]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.134226][  T668]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.134227][  T668]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.134229][  T668]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.134236][  T668]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   40.134239][  T668]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   40.134242][  T668]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   40.134245][  T668]  _printk (kernel/printk/printk.c:2504)
[   40.134249][  T668]  ? snapshot_read.cold (user.c:?)
[   40.134251][  T668]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.134254][  T668]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.134256][  T668]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.134258][  T668]  ? netdev_notice (net/core/dev.c:13194)
[   40.134260][  T668]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   40.134263][  T668]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   40.134266][  T668]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.134267][  T668]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   40.134269][  T668]  netif_set_promiscuity (net/core/dev.c:9699)
[   40.134272][  T668]  dev_set_promiscuity (net/core/dev_api.c:288)
[   40.134274][  T668]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.134277][  T668] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   40.134284][  T668] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   40.134288][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134290][  T668]  notifier_call_chain (kernel/notifier.c:85)
[   40.134293][  T668]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   40.134295][  T668]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   40.134298][  T668]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   40.134300][  T668]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.134301][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134302][  T668]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   40.134304][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134309][  T668]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   40.134312][  T668]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.134314][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134315][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134316][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.134317][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134318][  T668]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.134320][  T668]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   40.134323][  T668]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   40.134324][  T668]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.134326][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134327][  T668]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   40.134331][  T668]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   40.134333][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134334][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.134336][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134337][  T668]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   40.134338][  T668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.134340][  T668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.134341][  T668]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   40.134344][  T668]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   40.134348][  T668]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.134350][  T668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.134352][  T668]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.134353][  T668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.134355][  T668]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   40.134358][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134359][  T668]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   40.134361][  T668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.134363][  T668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.134365][  T668]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.134367][  T668]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.134369][  T668]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.134371][  T668]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   40.134372][  T668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.134374][  T668]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   40.134377][  T668]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   40.134380][  T668]  ____sys_sendmsg (net/socket.c:2713)
[   40.134381][  T668]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.134383][  T668]  ? sock_write_iter (net/socket.c:1269)
[   40.134384][  T668]  ? move_addr_to_kernel (net/socket.c:258)
[   40.134386][  T668]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   40.134388][  T668]  ___sys_sendmsg (net/socket.c:2767)
[   40.134390][  T668]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.134395][  T668]  __sys_sendmsg (net/socket.c:2799)
[   40.134397][  T668]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.134400][  T668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.134401][  T668]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.134404][  T668]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.134406][  T668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.134407][  T668] RIP: 0033:0x7f50054c854e
[   40.134409][  T668] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.134411][  T668] RSP: 002b:00007ffc1d156dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.134414][  T668] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f50054c854e
[   40.134416][  T668] RDX: 0000000000000000 RSI: 00007ffc1d156e80 RDI: 0000000000000005
[   40.134417][  T668] RBP: 00007ffc1d156de0 R08: 0000000000000000 R09: 0000000000000000
[   40.134417][  T668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b48
[   40.134418][  T668] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1d157540
| [   42.559092][  T725] softirqs last disabled at (0): 0x0
| [   42.559094][  T725] Preemption disabled at:
| [   42.559094][  T725] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.559104][  T725] Tainted: [W]=WARN
[   42.559105][  T725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.559107][  T725] Call Trace:
[   42.559109][  T725]  <TASK>
[   42.559110][  T725]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.559115][  T725]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.559116][  T725]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.559120][  T725]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.559124][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.559126][  T725]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   42.559129][  T725]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.559132][  T725]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.559137][  T725]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.559138][  T725]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.559141][  T725]  put_chars (drivers/char/virtio_console.c:1176)
[   42.559143][  T725]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.559144][  T725]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   42.559147][  T725]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.559152][  T725]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.559154][  T725]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.559155][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.559157][  T725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.559159][  T725]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.559162][  T725]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.559164][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.559165][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.559166][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.559167][  T725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.559169][  T725]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   42.559170][  T725]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.559173][  T725]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.559176][  T725]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.559177][  T725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.559179][  T725]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.559181][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.559182][  T725]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.559183][  T725]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   42.559185][  T725]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   42.559186][  T725]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.559188][  T725]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.559189][  T725]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.559191][  T725]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.559192][  T725]  ? 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)
[   42.559194][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.559195][  T725]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   42.559198][  T725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.559200][  T725]  _printk (kernel/printk/printk.c:2504)
[   42.559203][  T725]  ? snapshot_read.cold (user.c:?)
[   42.559205][  T725]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   42.559208][  T725]  ? idr_get_free (??:?)
[   42.559210][  T725]  ? 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)
[   42.559214][  T725]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   42.559220][  T725]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.559224][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.559225][  T725]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   42.559228][  T725]  __nla_validate_parse (lib/nlattr.c:635)
[   42.559230][  T725]  __nla_parse (lib/nlattr.c:732)
[   42.559232][  T725]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   42.559235][  T725]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.559237][  T725]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   42.559239][  T725]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   42.559249][  T725]  ? security_capable (security/security.c:660 (discriminator 11))
[   42.559252][  T725]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   42.559254][  T725]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   42.559257][  T725]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   42.559264][  T725]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.559267][  T725]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   42.559269][  T725]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   42.559271][  T725]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.559273][  T725]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   42.559275][  T725]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.559277][  T725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.559279][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.559280][  T725]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   42.559282][  T725]  genl_rcv (net/netlink/genetlink.c:1218)
[   42.559284][  T725]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.559286][  T725]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.559289][  T725]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.559291][  T725]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.559293][  T725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.559294][  T725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.559296][  T725]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   42.559299][  T725]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   42.559302][  T725]  __sys_sendto (net/socket.c:2281)
[   42.559304][  T725]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   42.559308][  T725]  ? fput_close_sync (fs/file_table.c:617)
[   42.559311][  T725]  ? alloc_file_clone (fs/file_table.c:479)
[   42.559313][  T725]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   42.559315][  T725]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   42.559316][  T725]  ? 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))
[   42.559318][  T725]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   42.559319][  T725]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.559322][  T725]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.559324][  T725]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.559325][  T725] RIP: 0033:0x7fc9033f7312
[   42.559328][  T725] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   42.559330][  T725] RSP: 002b:00007ffc7a813e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   42.559334][  T725] RAX: ffffffffffffffda RBX: 00007ffc7a813f58 RCX: 00007fc9033f7312
[   42.559335][  T725] RDX: 0000000000000040 RSI: 00007fc8faf67050 RDI: 0000000000000020
[   42.559336][  T725] RBP: 00007ffc7a813e50 R08: 00007ffc7a813fd0 R09: 000000000000000c
[   42.559337][  T725] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc90125a0b0
[   42.559338][  T725] R13: 00007ffc7a813f58 R14: 00007fc902d1601a R15: 00007ffc7a814348
| [   43.583191][  T774] softirqs last disabled at (0): 0x0
| [   43.583194][  T774] Preemption disabled at:
| [   43.583195][  T774] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.583207][  T774] Tainted: [W]=WARN
[   43.583208][  T774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.583211][  T774] Call Trace:
[   43.583213][  T774]  <TASK>
[   43.583214][  T774]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.583221][  T774]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.583223][  T774]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.583228][  T774]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.583232][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.583235][  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))
[   43.583239][  T774]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.583243][  T774]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.583254][  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)
[   43.583256][  T774]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.583260][  T774]  put_chars (drivers/char/virtio_console.c:1176)
[   43.583262][  T774]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.583265][  T774]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.583268][  T774]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   43.583272][  T774]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.583278][  T774]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.583280][  T774]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.583283][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.583285][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.583287][  T774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.583290][  T774]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.583294][  T774]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.583297][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.583299][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.583300][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.583302][  T774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.583305][  T774]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.583307][  T774]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.583311][  T774]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.583315][  T774]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.583318][  T774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.583320][  T774]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.583323][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.583324][  T774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.583327][  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)
[   43.583329][  T774]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   43.583331][  T774]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.583334][  T774]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.583336][  T774]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.583339][  T774]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.583342][  T774]  _printk (kernel/printk/printk.c:2504)
[   43.583346][  T774]  ? snapshot_read.cold (user.c:?)
[   43.583349][  T774]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   43.583352][  T774]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   43.583357][  T774]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   43.583359][  T774]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.583362][  T774]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.583366][  T774]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.583369][  T774]  ? netdev_notice (net/core/dev.c:13194)
[   43.583371][  T774]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   43.583381][  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)
[   43.583384][  T774]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   43.583387][  T774]  netif_set_promiscuity (net/core/dev.c:9699)
[   43.583391][  T774]  dev_set_promiscuity (net/core/dev_api.c:288)
[   43.583393][  T774]  ? dev_disable_lro (net/core/dev_api.c:267)
[   43.583395][  T774] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   43.583402][  T774] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   43.583407][  T774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.583410][  T774] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   43.583417][  T774]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   43.583422][  T774] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   43.583429][  T774]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   43.583434][  T774]  ? __nla_validate_parse (lib/nlattr.c:635)
[   43.583440][  T774]  ? __nla_parse (lib/nlattr.c:732)
[   43.583443][  T774]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   43.583448][  T774]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   43.583452][  T774]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   43.583457][  T774]  ? security_capable (security/security.c:660 (discriminator 11))
[   43.583461][  T774]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   43.583464][  T774]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   43.583467][  T774]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   43.583473][  T774]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.583477][  T774]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.583480][  T774]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   43.583483][  T774]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.583486][  T774]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   43.583489][  T774]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.583493][  T774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.583495][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.583497][  T774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.583500][  T774]  genl_rcv (net/netlink/genetlink.c:1218)
[   43.583503][  T774]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.583506][  T774]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.583509][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.583512][  T774]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.583515][  T774]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.583518][  T774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.583521][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.583523][  T774]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.583526][  T774]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   43.583530][  T774]  __sys_sendto (net/socket.c:2281)
[   43.583533][  T774]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   43.583539][  T774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.583541][  T774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.583545][  T774]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   43.583547][  T774]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.583551][  T774]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   43.583553][  T774]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   43.583555][  T774]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.583560][  T774]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.583563][  T774]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.583566][  T774] RIP: 0033:0x7fd8faf22312
[   43.583569][  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)
[   43.583571][  T774] RSP: 002b:00007ffdcc0602d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   43.583576][  T774] RAX: ffffffffffffffda RBX: 00007ffdcc060408 RCX: 00007fd8faf22312
[   43.583578][  T774] RDX: 0000000000000030 RSI: 00007fd8f81a1530 RDI: 0000000000000023
[   43.583579][  T774] RBP: 00007ffdcc060300 R08: 00007ffdcc060480 R09: 000000000000000c
[   43.583580][  T774] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd8f8d82190
[   43.583582][  T774] R13: 00007ffdcc060408 R14: 00007fd8fa84101a R15: 00007ffdcc0607f8
| [   44.642881][  T812] softirqs last disabled at (0): 0x0
| [   44.642883][  T812] Preemption disabled at:
| [   44.642884][  T812] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.642894][  T812] Tainted: [W]=WARN
[   44.642895][  T812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.642896][  T812] Call Trace:
[   44.642898][  T812]  <TASK>
[   44.642899][  T812]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.642905][  T812]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.642906][  T812]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.642910][  T812]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.642914][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.642916][  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))
[   44.642919][  T812]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.642922][  T812]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.642927][  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)
[   44.642929][  T812]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.642931][  T812]  put_chars (drivers/char/virtio_console.c:1176)
[   44.642933][  T812]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.642934][  T812]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   44.642937][  T812]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   44.642939][  T812]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.642943][  T812]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.642945][  T812]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   44.642947][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.642948][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.642949][  T812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.642952][  T812]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.642954][  T812]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.642956][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.642957][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.642958][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.642959][  T812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.642961][  T812]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   44.642963][  T812]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.642965][  T812]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.642968][  T812]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.642970][  T812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.642971][  T812]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.642973][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.642974][  T812]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.642976][  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)
[   44.642977][  T812]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   44.642978][  T812]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.642981][  T812]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.642982][  T812]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.642984][  T812]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.642986][  T812]  _printk (kernel/printk/printk.c:2504)
[   44.642989][  T812]  ? snapshot_read.cold (user.c:?)
[   44.642990][  T812]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   44.642993][  T812]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   44.642997][  T812]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   44.642999][  T812]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.643002][  T812]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.643004][  T812]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.643006][  T812]  ? netdev_notice (net/core/dev.c:13194)
[   44.643008][  T812]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   44.643016][  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)
[   44.643017][  T812]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   44.643020][  T812]  netif_set_promiscuity (net/core/dev.c:9699)
[   44.643022][  T812]  dev_set_promiscuity (net/core/dev_api.c:288)
[   44.643024][  T812]  ? dev_disable_lro (net/core/dev_api.c:267)
[   44.643025][  T812] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   44.643029][  T812] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   44.643033][  T812]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.643035][  T812] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   44.643039][  T812]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   44.643043][  T812] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   44.643046][  T812]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   44.643049][  T812]  ? __nla_validate_parse (lib/nlattr.c:635)
[   44.643054][  T812]  ? __nla_parse (lib/nlattr.c:732)
[   44.643056][  T812]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   44.643060][  T812]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   44.643062][  T812]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   44.643065][  T812]  ? security_capable (security/security.c:660 (discriminator 11))
[   44.643068][  T812]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   44.643070][  T812]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   44.643073][  T812]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   44.643076][  T812]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   44.643079][  T812]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   44.643081][  T812]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   44.643083][  T812]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.643085][  T812]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   44.643087][  T812]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.643090][  T812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.643091][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.643092][  T812]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.643094][  T812]  genl_rcv (net/netlink/genetlink.c:1218)
[   44.643096][  T812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.643099][  T812]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.643100][  T812]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   44.643104][  T812]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[   44.643108][  T812]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.643110][  T812]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.643112][  T812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.643114][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.643115][  T812]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.643118][  T812]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   44.643121][  T812]  __sys_sendto (net/socket.c:2281)
[   44.643123][  T812]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   44.643127][  T812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.643128][  T812]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   44.643130][  T812]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   44.643132][  T812]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.643134][  T812]  ? 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))
[   44.643135][  T812]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   44.643136][  T812]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.643140][  T812]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.643142][  T812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.643144][  T812] RIP: 0033:0x7f9ddfd46312
[   44.643146][  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)
[   44.643148][  T812] RSP: 002b:00007ffc5be51148 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   44.643151][  T812] RAX: ffffffffffffffda RBX: 00007ffc5be51278 RCX: 00007f9ddfd46312
[   44.643153][  T812] RDX: 0000000000000030 RSI: 00007f9ddc15adb0 RDI: 0000000000000023
[   44.643154][  T812] RBP: 00007ffc5be51170 R08: 00007ffc5be512f0 R09: 000000000000000c
[   44.643154][  T812] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9dddba6270
[   44.643155][  T812] R13: 00007ffc5be51278 R14: 00007f9ddf66501a R15: 00007ffc5be51668
| [   49.305959][  T899] softirqs last disabled at (0): 0x0
| [   49.305961][  T899] Preemption disabled at:
| [   49.305962][  T899] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.305974][  T899] Tainted: [W]=WARN
[   49.305976][  T899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.305978][  T899] Call Trace:
[   49.305980][  T899]  <TASK>
[   49.305982][  T899]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.305988][  T899]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.305990][  T899]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.305995][  T899]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.305999][  T899]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   49.306002][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306006][  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))
[   49.306009][  T899]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.306013][  T899]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.306019][  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)
[   49.306022][  T899]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.306025][  T899]  put_chars (drivers/char/virtio_console.c:1176)
[   49.306027][  T899]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   49.306030][  T899]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.306033][  T899]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   49.306036][  T899]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.306043][  T899]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.306045][  T899]  ? 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)
[   49.306048][  T899]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   49.306052][  T899]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.306054][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306057][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.306060][  T899]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.306064][  T899]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.306067][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306069][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306071][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306073][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.306076][  T899]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   49.306078][  T899]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.306082][  T899]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.306086][  T899]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.306089][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.306091][  T899]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.306094][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306096][  T899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.306098][  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)
[   49.306100][  T899]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   49.306103][  T899]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.306106][  T899]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.306108][  T899]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.306111][  T899]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.306113][  T899]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   49.306118][  T899]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   49.306121][  T899]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   49.306126][  T899]  _printk (kernel/printk/printk.c:2504)
[   49.306130][  T899]  ? snapshot_read.cold (user.c:?)
[   49.306134][  T899]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   49.306138][  T899]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   49.306141][  T899]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   49.306144][  T899]  ? netdev_notice (net/core/dev.c:13194)
[   49.306146][  T899]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   49.306150][  T899]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   49.306155][  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)
[   49.306157][  T899]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   49.306161][  T899]  netif_set_promiscuity (net/core/dev.c:9699)
[   49.306165][  T899]  dev_set_promiscuity (net/core/dev_api.c:288)
[   49.306167][  T899]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.306171][  T899] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   49.306181][  T899] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   49.306188][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306191][  T899]  notifier_call_chain (kernel/notifier.c:85)
[   49.306196][  T899]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   49.306199][  T899]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   49.306204][  T899]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   49.306206][  T899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.306209][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306211][  T899]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   49.306213][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306223][  T899]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   49.306227][  T899]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.306230][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306231][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306233][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.306236][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306238][  T899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.306240][  T899]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   49.306244][  T899]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   49.306246][  T899]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   49.306250][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306252][  T899]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   49.306256][  T899]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   49.306259][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306261][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.306263][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306266][  T899]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   49.306268][  T899]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.306271][  T899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.306274][  T899]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   49.306284][  T899]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   49.306289][  T899]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.306293][  T899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.306295][  T899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.306298][  T899]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.306301][  T899]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   49.306305][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306307][  T899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.306311][  T899]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.306314][  T899]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.306317][  T899]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.306320][  T899]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.306324][  T899]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.306326][  T899]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   49.306329][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.306332][  T899]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   49.306336][  T899]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   49.306340][  T899]  ____sys_sendmsg (net/socket.c:2713)
[   49.306343][  T899]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.306345][  T899]  ? sock_write_iter (net/socket.c:1269)
[   49.306348][  T899]  ? move_addr_to_kernel (net/socket.c:258)
[   49.306350][  T899]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   49.306354][  T899]  ___sys_sendmsg (net/socket.c:2767)
[   49.306357][  T899]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.306366][  T899]  __sys_sendmsg (net/socket.c:2799)
[   49.306369][  T899]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.306373][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.306376][  T899]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.306379][  T899]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.306382][  T899]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.306384][  T899] RIP: 0033:0x7f7edf84454e
[   49.306387][  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
[   49.306390][  T899] RSP: 002b:00007ffec1251db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.306395][  T899] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7edf84454e
[   49.306397][  T899] RDX: 0000000000000000 RSI: 00007ffec1251e60 RDI: 0000000000000005
[   49.306398][  T899] RBP: 00007ffec1251dc0 R08: 0000000000000000 R09: 0000000000000000
[   49.306400][  T899] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b51
[   49.306401][  T899] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec1252520
| [   51.696469][  T957] softirqs last disabled at (0): 0x0
| [   51.696471][  T957] Preemption disabled at:
| [   51.696471][  T957] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.696481][  T957] Tainted: [W]=WARN
[   51.696482][  T957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.696484][  T957] Call Trace:
[   51.696485][  T957]  <TASK>
[   51.696486][  T957]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.696492][  T957]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.696493][  T957]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.696497][  T957]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.696500][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.696503][  T957]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   51.696506][  T957]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   51.696509][  T957]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.696514][  T957]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.696516][  T957]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.696518][  T957]  put_chars (drivers/char/virtio_console.c:1176)
[   51.696520][  T957]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.696522][  T957]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   51.696524][  T957]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.696529][  T957]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.696531][  T957]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   51.696533][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.696534][  T957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.696537][  T957]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.696539][  T957]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.696541][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.696542][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.696543][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.696544][  T957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.696546][  T957]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   51.696548][  T957]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.696550][  T957]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.696553][  T957]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.696555][  T957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.696556][  T957]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.696558][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.696559][  T957]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.696561][  T957]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   51.696562][  T957]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   51.696564][  T957]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.696565][  T957]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.696567][  T957]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.696568][  T957]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.696569][  T957]  ? 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)
[   51.696571][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.696572][  T957]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   51.696576][  T957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.696578][  T957]  _printk (kernel/printk/printk.c:2504)
[   51.696581][  T957]  ? snapshot_read.cold (user.c:?)
[   51.696583][  T957]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   51.696586][  T957]  ? idr_get_free (??:?)
[   51.696588][  T957]  ? 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)
[   51.696592][  T957]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   51.696598][  T957]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.696602][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.696603][  T957]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   51.696606][  T957]  __nla_validate_parse (lib/nlattr.c:635)
[   51.696609][  T957]  __nla_parse (lib/nlattr.c:732)
[   51.696611][  T957]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   51.696613][  T957]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.696615][  T957]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   51.696617][  T957]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   51.696621][  T957]  ? security_capable (security/security.c:660 (discriminator 11))
[   51.696624][  T957]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   51.696626][  T957]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   51.696628][  T957]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   51.696635][  T957]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   51.696638][  T957]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   51.696640][  T957]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   51.696642][  T957]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.696644][  T957]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   51.696646][  T957]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.696649][  T957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.696650][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.696651][  T957]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   51.696653][  T957]  genl_rcv (net/netlink/genetlink.c:1218)
[   51.696655][  T957]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.696657][  T957]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.696660][  T957]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.696662][  T957]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.696664][  T957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.696666][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.696667][  T957]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   51.696670][  T957]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   51.696673][  T957]  __sys_sendto (net/socket.c:2281)
[   51.696675][  T957]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   51.696679][  T957]  ? fput_close_sync (fs/file_table.c:617)
[   51.696682][  T957]  ? alloc_file_clone (fs/file_table.c:479)
[   51.696684][  T957]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   51.696686][  T957]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.696687][  T957]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   51.696689][  T957]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   51.696690][  T957]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.696693][  T957]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.696694][  T957]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.696697][  T957] RIP: 0033:0x7f0a460a2312
[   51.696699][  T957] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   51.696701][  T957] RSP: 002b:00007ffc2218c6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   51.696704][  T957] RAX: ffffffffffffffda RBX: 00007ffc2218c7f8 RCX: 00007f0a460a2312
[   51.696706][  T957] RDX: 0000000000000044 RSI: 00007f0a41c76e70 RDI: 0000000000000020
[   51.696706][  T957] RBP: 00007ffc2218c6f0 R08: 00007ffc2218c870 R09: 000000000000000c
[   51.696707][  T957] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0a43f020b0
[   51.696708][  T957] R13: 00007ffc2218c7f8 R14: 00007f0a459c101a R15: 00007ffc2218cbe8
| [   53.645029][ T1049] softirqs last disabled at (0): 0x0
| [   53.645031][ T1049] Preemption disabled at:
| [   53.645032][ T1049] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.645041][ T1049] Tainted: [W]=WARN
[   53.645043][ T1049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.645044][ T1049] Call Trace:
[   53.645046][ T1049]  <TASK>
[   53.645047][ T1049]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.645052][ T1049]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.645054][ T1049]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.645057][ T1049]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.645061][ T1049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.645063][ T1049]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   53.645066][ T1049]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   53.645069][ T1049]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.645074][ T1049]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.645075][ T1049]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.645078][ T1049]  put_chars (drivers/char/virtio_console.c:1176)
[   53.645079][ T1049]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.645081][ T1049]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   53.645083][ T1049]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   53.645085][ T1049]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.645090][ T1049]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.645092][ T1049]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   53.645093][ T1049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.645094][ T1049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.645095][ T1049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.645098][ T1049]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.645100][ T1049]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.645102][ T1049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.645104][ T1049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.645105][ T1049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.645106][ T1049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.645108][ T1049]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   53.645110][ T1049]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.645112][ T1049]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.645115][ T1049]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.645117][ T1049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.645118][ T1049]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.645120][ T1049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.645121][ T1049]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   53.645122][ T1049]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   53.645124][ T1049]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   53.645125][ T1049]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.645127][ T1049]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.645129][ T1049]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.645130][ T1049]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.645132][ T1049]  _printk (kernel/printk/printk.c:2504)
[   53.645135][ T1049]  ? snapshot_read.cold (user.c:?)
[   53.645137][ T1049]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   53.645139][ T1049]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   53.645143][ T1049]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   53.645145][ T1049]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   53.645148][ T1049]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   53.645150][ T1049]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.645152][ T1049]  ? netdev_notice (net/core/dev.c:13194)
[   53.645153][ T1049]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   53.645162][ T1049]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.645163][ T1049]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   53.645165][ T1049]  netif_set_promiscuity (net/core/dev.c:9699)
[   53.645168][ T1049]  dev_set_promiscuity (net/core/dev_api.c:288)
[   53.645169][ T1049]  ? dev_disable_lro (net/core/dev_api.c:267)
[   53.645170][ T1049] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   53.645174][ T1049] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   53.645178][ T1049]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   53.645180][ T1049] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   53.645184][ T1049]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   53.645188][ T1049] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   53.645191][ T1049]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   53.645195][ T1049]  ? __nla_validate_parse (lib/nlattr.c:635)
[   53.645199][ T1049]  ? __nla_parse (lib/nlattr.c:732)
[   53.645201][ T1049]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   53.645205][ T1049]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   53.645207][ T1049]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   53.645210][ T1049]  ? security_capable (security/security.c:660 (discriminator 11))
[   53.645213][ T1049]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   53.645215][ T1049]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   53.645217][ T1049]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   53.645220][ T1049]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   53.645223][ T1049]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   53.645226][ T1049]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   53.645228][ T1049]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.645229][ T1049]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   53.645231][ T1049]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.645234][ T1049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.645235][ T1049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.645236][ T1049]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   53.645238][ T1049]  genl_rcv (net/netlink/genetlink.c:1218)
[   53.645240][ T1049]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.645242][ T1049]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.645244][ T1049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.645246][ T1049]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.645248][ T1049]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.645250][ T1049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.645251][ T1049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.645253][ T1049]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   53.645255][ T1049]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   53.645258][ T1049]  __sys_sendto (net/socket.c:2281)
[   53.645260][ T1049]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   53.645264][ T1049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.645265][ T1049]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   53.645267][ T1049]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   53.645269][ T1049]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.645272][ T1049]  ? 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))
[   53.645273][ T1049]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   53.645274][ T1049]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.645278][ T1049]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.645280][ T1049]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.645282][ T1049] RIP: 0033:0x7f2a4e62e312
[   53.645284][ T1049] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   53.645286][ T1049] RSP: 002b:00007ffd823c0938 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   53.645289][ T1049] RAX: ffffffffffffffda RBX: 00007ffd823c0a68 RCX: 00007f2a4e62e312
[   53.645291][ T1049] RDX: 0000000000000030 RSI: 00007f2a4a250130 RDI: 0000000000000023
[   53.645291][ T1049] RBP: 00007ffd823c0960 R08: 00007ffd823c0ae0 R09: 000000000000000c
[   53.645292][ T1049] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2a4c48e270
[   53.645293][ T1049] R13: 00007ffd823c0a68 R14: 00007f2a4df4d01a R15: 00007ffd823c0e58
| [   69.917459][ T1191] softirqs last disabled at (0): 0x0
| [   69.917461][ T1191] Preemption disabled at:
| [   69.917461][ T1191] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.917471][ T1191] Tainted: [W]=WARN
[   69.917472][ T1191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.917474][ T1191] Call Trace:
[   69.917476][ T1191]  <TASK>
[   69.917477][ T1191]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.917483][ T1191]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.917484][ T1191]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.917488][ T1191]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.917491][ T1191]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   69.917493][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917496][ T1191]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   69.917499][ T1191]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   69.917502][ T1191]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.917507][ T1191]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   69.917509][ T1191]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.917511][ T1191]  put_chars (drivers/char/virtio_console.c:1176)
[   69.917513][ T1191]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   69.917514][ T1191]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.917516][ T1191]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   69.917519][ T1191]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.917523][ T1191]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.917525][ T1191]  ? 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)
[   69.917527][ T1191]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   69.917533][ T1191]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   69.917534][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917536][ T1191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.917538][ T1191]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.917541][ T1191]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.917543][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917544][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917545][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917546][ T1191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.917548][ T1191]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   69.917550][ T1191]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.917552][ T1191]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.917555][ T1191]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.917557][ T1191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.917558][ T1191]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.917560][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917561][ T1191]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.917562][ T1191]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   69.917564][ T1191]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   69.917565][ T1191]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.917567][ T1191]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.917569][ T1191]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.917570][ T1191]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.917572][ T1191]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   69.917575][ T1191]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   69.917578][ T1191]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   69.917581][ T1191]  _printk (kernel/printk/printk.c:2504)
[   69.917584][ T1191]  ? snapshot_read.cold (user.c:?)
[   69.917586][ T1191]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   69.917589][ T1191]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   69.917592][ T1191]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   69.917594][ T1191]  ? netdev_notice (net/core/dev.c:13194)
[   69.917595][ T1191]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   69.917598][ T1191]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   69.917601][ T1191]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.917602][ T1191]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   69.917604][ T1191]  netif_set_promiscuity (net/core/dev.c:9699)
[   69.917607][ T1191]  dev_set_promiscuity (net/core/dev_api.c:288)
[   69.917608][ T1191]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.917611][ T1191] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   69.917619][ T1191] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   69.917623][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917625][ T1191]  notifier_call_chain (kernel/notifier.c:85)
[   69.917628][ T1191]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   69.917630][ T1191]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   69.917633][ T1191]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   69.917635][ T1191]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.917636][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917637][ T1191]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   69.917639][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917645][ T1191]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   69.917647][ T1191]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.917649][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917650][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917651][ T1191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.917653][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917654][ T1191]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.917655][ T1191]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   69.917658][ T1191]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   69.917659][ T1191]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   69.917662][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917663][ T1191]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   69.917666][ T1191]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   69.917668][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917669][ T1191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.917671][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917672][ T1191]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   69.917673][ T1191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   69.917675][ T1191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.917677][ T1191]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   69.917679][ T1191]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   69.917683][ T1191]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.917686][ T1191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.917688][ T1191]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.917689][ T1191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.917691][ T1191]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   69.917694][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917695][ T1191]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.917697][ T1191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.917699][ T1191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.917701][ T1191]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.917703][ T1191]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.917705][ T1191]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   69.917706][ T1191]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   69.917708][ T1191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.917709][ T1191]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   69.917713][ T1191]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   69.917717][ T1191]  ____sys_sendmsg (net/socket.c:2713)
[   69.917719][ T1191]  ? copy_msghdr_from_user (net/socket.c:2650)
[   69.917721][ T1191]  ? sock_write_iter (net/socket.c:1269)
[   69.917723][ T1191]  ? move_addr_to_kernel (net/socket.c:258)
[   69.917725][ T1191]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   69.917729][ T1191]  ___sys_sendmsg (net/socket.c:2767)
[   69.917732][ T1191]  ? copy_msghdr_from_user (net/socket.c:2619)
[   69.917738][ T1191]  __sys_sendmsg (net/socket.c:2799)
[   69.917740][ T1191]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   69.917744][ T1191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.917745][ T1191]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   69.917748][ T1191]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   69.917750][ T1191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.917752][ T1191] RIP: 0033:0x7f154cb5454e
[   69.917754][ T1191] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.917756][ T1191] RSP: 002b:00007ffd1b9ae040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.917760][ T1191] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f154cb5454e
[   69.917762][ T1191] RDX: 0000000000000000 RSI: 00007ffd1b9ae0f0 RDI: 0000000000000005
[   69.917763][ T1191] RBP: 00007ffd1b9ae050 R08: 0000000000000000 R09: 0000000000000000
[   69.917764][ T1191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b66
[   69.917765][ T1191] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1b9ae7b0
| [   72.430994][ T1249] softirqs last disabled at (0): 0x0
| [   72.430995][ T1249] Preemption disabled at:
| [   72.430996][ T1249] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.431006][ T1249] Tainted: [W]=WARN
[   72.431007][ T1249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.431008][ T1249] Call Trace:
[   72.431010][ T1249]  <TASK>
[   72.431011][ T1249]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.431017][ T1249]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.431018][ T1249]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.431022][ T1249]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.431025][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.431028][ T1249]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   72.431032][ T1249]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.431035][ T1249]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.431040][ T1249]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   72.431042][ T1249]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.431044][ T1249]  put_chars (drivers/char/virtio_console.c:1176)
[   72.431046][ T1249]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.431047][ T1249]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   72.431050][ T1249]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.431055][ T1249]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.431057][ T1249]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.431058][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.431059][ T1249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.431062][ T1249]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.431065][ T1249]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.431067][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.431068][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.431069][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.431070][ T1249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.431072][ T1249]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   72.431073][ T1249]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.431076][ T1249]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.431078][ T1249]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.431080][ T1249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.431082][ T1249]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.431084][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.431085][ T1249]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.431086][ T1249]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   72.431088][ T1249]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   72.431089][ T1249]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.431091][ T1249]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.431092][ T1249]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.431094][ T1249]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.431095][ T1249]  ? 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)
[   72.431097][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.431098][ T1249]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   72.431102][ T1249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.431104][ T1249]  _printk (kernel/printk/printk.c:2504)
[   72.431107][ T1249]  ? snapshot_read.cold (user.c:?)
[   72.431108][ T1249]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   72.431112][ T1249]  ? idr_get_free (??:?)
[   72.431114][ T1249]  ? 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)
[   72.431117][ T1249]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   72.431124][ T1249]  ? nla_get_range_signed (lib/nlattr.c:270)
[   72.431129][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.431130][ T1249]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   72.431132][ T1249]  __nla_validate_parse (lib/nlattr.c:635)
[   72.431135][ T1249]  __nla_parse (lib/nlattr.c:732)
[   72.431138][ T1249]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   72.431140][ T1249]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.431142][ T1249]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   72.431144][ T1249]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   72.431148][ T1249]  ? security_capable (security/security.c:660 (discriminator 11))
[   72.431151][ T1249]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   72.431153][ T1249]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   72.431155][ T1249]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   72.431162][ T1249]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.431165][ T1249]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   72.431167][ T1249]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   72.431169][ T1249]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.431171][ T1249]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   72.431173][ T1249]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.431176][ T1249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.431178][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.431179][ T1249]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.431181][ T1249]  genl_rcv (net/netlink/genetlink.c:1218)
[   72.431182][ T1249]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.431185][ T1249]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.431187][ T1249]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.431189][ T1249]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.431191][ T1249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.431193][ T1249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.431195][ T1249]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   72.431198][ T1249]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   72.431201][ T1249]  __sys_sendto (net/socket.c:2281)
[   72.431203][ T1249]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   72.431207][ T1249]  ? fput_close_sync (fs/file_table.c:617)
[   72.431210][ T1249]  ? alloc_file_clone (fs/file_table.c:479)
[   72.431212][ T1249]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   72.431214][ T1249]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   72.431215][ T1249]  ? 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))
[   72.431217][ T1249]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   72.431218][ T1249]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.431221][ T1249]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.431222][ T1249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.431225][ T1249] RIP: 0033:0x7f9c69bfc312
[   72.431227][ T1249] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   72.431228][ T1249] RSP: 002b:00007fff38f27218 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   72.431232][ T1249] RAX: ffffffffffffffda RBX: 00007fff38f27348 RCX: 00007f9c69bfc312
[   72.431234][ T1249] RDX: 0000000000000048 RSI: 00007f9c6787b4b0 RDI: 0000000000000020
[   72.431234][ T1249] RBP: 00007fff38f27240 R08: 00007fff38f273c0 R09: 000000000000000c
[   72.431235][ T1249] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9c67a660b0
[   72.431236][ T1249] R13: 00007fff38f27348 R14: 00007f9c6951b01a R15: 00007fff38f27738
| [   74.295597][ T1335] softirqs last disabled at (0): 0x0
| [   74.295599][ T1335] Preemption disabled at:
| [   74.295599][ T1335] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.295609][ T1335] Tainted: [W]=WARN
[   74.295610][ T1335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.295612][ T1335] Call Trace:
[   74.295613][ T1335]  <TASK>
[   74.295615][ T1335]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.295620][ T1335]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.295622][ T1335]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.295625][ T1335]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.295629][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.295631][ T1335]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   74.295634][ T1335]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.295637][ T1335]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.295642][ T1335]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.295644][ T1335]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.295646][ T1335]  put_chars (drivers/char/virtio_console.c:1176)
[   74.295648][ T1335]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.295649][ T1335]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   74.295652][ T1335]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   74.295654][ T1335]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.295658][ T1335]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.295660][ T1335]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.295662][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.295663][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.295664][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.295666][ T1335]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.295669][ T1335]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.295671][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.295672][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.295673][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.295674][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.295676][ T1335]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   74.295678][ T1335]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.295680][ T1335]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.295683][ T1335]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.295684][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.295686][ T1335]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.295687][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.295688][ T1335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.295690][ T1335]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   74.295691][ T1335]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   74.295693][ T1335]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.295695][ T1335]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.295696][ T1335]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.295698][ T1335]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.295700][ T1335]  _printk (kernel/printk/printk.c:2504)
[   74.295703][ T1335]  ? snapshot_read.cold (user.c:?)
[   74.295704][ T1335]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   74.295707][ T1335]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   74.295715][ T1335]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   74.295716][ T1335]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   74.295721][ T1335]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   74.295725][ T1335]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   74.295728][ T1335]  ? netdev_notice (net/core/dev.c:13194)
[   74.295731][ T1335]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   74.295741][ T1335]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   74.295743][ T1335]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   74.295745][ T1335]  netif_set_promiscuity (net/core/dev.c:9699)
[   74.295748][ T1335]  dev_set_promiscuity (net/core/dev_api.c:288)
[   74.295750][ T1335]  ? dev_disable_lro (net/core/dev_api.c:267)
[   74.295751][ T1335] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   74.295755][ T1335] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   74.295758][ T1335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.295760][ T1335] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   74.295765][ T1335]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   74.295768][ T1335] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   74.295772][ T1335]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   74.295776][ T1335]  ? __nla_validate_parse (lib/nlattr.c:635)
[   74.295780][ T1335]  ? __nla_parse (lib/nlattr.c:732)
[   74.295781][ T1335]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   74.295785][ T1335]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   74.295788][ T1335]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   74.295791][ T1335]  ? security_capable (security/security.c:660 (discriminator 11))
[   74.295794][ T1335]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   74.295796][ T1335]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   74.295798][ T1335]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   74.295802][ T1335]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   74.295804][ T1335]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   74.295806][ T1335]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   74.295809][ T1335]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.295810][ T1335]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   74.295812][ T1335]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.295815][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.295816][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.295818][ T1335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.295819][ T1335]  genl_rcv (net/netlink/genetlink.c:1218)
[   74.295821][ T1335]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.295823][ T1335]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.295826][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.295827][ T1335]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.295829][ T1335]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.295831][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.295833][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.295834][ T1335]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   74.295837][ T1335]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   74.295840][ T1335]  __sys_sendto (net/socket.c:2281)
[   74.295842][ T1335]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   74.295846][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.295847][ T1335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.295849][ T1335]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   74.295851][ T1335]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   74.295853][ T1335]  ? 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))
[   74.295855][ T1335]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   74.295856][ T1335]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.295860][ T1335]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.295862][ T1335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.295864][ T1335] RIP: 0033:0x7f24faeed312
[   74.295866][ T1335] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   74.295868][ T1335] RSP: 002b:00007ffde1638618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   74.295871][ T1335] RAX: ffffffffffffffda RBX: 00007ffde1638748 RCX: 00007f24faeed312
[   74.295872][ T1335] RDX: 0000000000000030 RSI: 00007f24f830aef0 RDI: 0000000000000023
[   74.295873][ T1335] RBP: 00007ffde1638640 R08: 00007ffde16387c0 R09: 000000000000000c
[   74.295874][ T1335] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f24f8d46270
[   74.295875][ T1335] R13: 00007ffde1638748 R14: 00007f24fa80c01a R15: 00007ffde1638b38
| [   79.517358][ T1488] softirqs last disabled at (0): 0x0
| [   79.517360][ T1488] Preemption disabled at:
| [   79.517361][ T1488] vprintk_emit (kernel/printk/printk.c:2471)
| [   79.517374][ T1488] Tainted: [W]=WARN
[   79.517375][ T1488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.517377][ T1488] Call Trace:
[   79.517379][ T1488]  <TASK>
[   79.517380][ T1488]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   79.517386][ T1488]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   79.517388][ T1488]  __might_resched.cold (kernel/sched/core.c:9234)
[   79.517393][ T1488]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   79.517397][ T1488]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   79.517399][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517403][ T1488]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   79.517406][ T1488]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   79.517409][ T1488]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.517416][ T1488]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   79.517418][ T1488]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.517421][ T1488]  put_chars (drivers/char/virtio_console.c:1176)
[   79.517423][ T1488]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   79.517425][ T1488]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   79.517428][ T1488]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   79.517432][ T1488]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   79.517444][ T1488]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   79.517447][ T1488]  ? 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)
[   79.517449][ T1488]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   79.517453][ T1488]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   79.517455][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517457][ T1488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.517461][ T1488]  console_emit_next_record (kernel/printk/printk.c:3183)
[   79.517464][ T1488]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   79.517467][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517469][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517470][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517472][ T1488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.517475][ T1488]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   79.517477][ T1488]  console_flush_one_record (kernel/printk/printk.c:3268)
[   79.517480][ T1488]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   79.517484][ T1488]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   79.517487][ T1488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.517489][ T1488]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   79.517491][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517493][ T1488]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.517495][ T1488]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   79.517497][ T1488]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   79.517499][ T1488]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   79.517502][ T1488]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   79.517504][ T1488]  vprintk_emit (kernel/printk/printk.c:2479)
[   79.517507][ T1488]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   79.517509][ T1488]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   79.517513][ T1488]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   79.517516][ T1488]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   79.517520][ T1488]  _printk (kernel/printk/printk.c:2504)
[   79.517524][ T1488]  ? snapshot_read.cold (user.c:?)
[   79.517527][ T1488]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   79.517531][ T1488]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   79.517533][ T1488]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   79.517536][ T1488]  ? netdev_notice (net/core/dev.c:13194)
[   79.517539][ T1488]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   79.517542][ T1488]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   79.517546][ T1488]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.517548][ T1488]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   79.517552][ T1488]  netif_set_promiscuity (net/core/dev.c:9699)
[   79.517555][ T1488]  dev_set_promiscuity (net/core/dev_api.c:288)
[   79.517558][ T1488]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.517562][ T1488] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   79.517571][ T1488] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   79.517577][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517579][ T1488]  notifier_call_chain (kernel/notifier.c:85)
[   79.517583][ T1488]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   79.517586][ T1488]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   79.517590][ T1488]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   79.517593][ T1488]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.517595][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517597][ T1488]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   79.517599][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517608][ T1488]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   79.517611][ T1488]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.517613][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517615][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517617][ T1488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.517619][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517621][ T1488]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.517623][ T1488]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   79.517626][ T1488]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   79.517628][ T1488]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   79.517631][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517633][ T1488]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   79.517637][ T1488]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   79.517640][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517641][ T1488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.517643][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517645][ T1488]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   79.517648][ T1488]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.517651][ T1488]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.517653][ T1488]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   79.517656][ T1488]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   79.517661][ T1488]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   79.517665][ T1488]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.517667][ T1488]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.517669][ T1488]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.517671][ T1488]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   79.517675][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517677][ T1488]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.517680][ T1488]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.517683][ T1488]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.517686][ T1488]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.517689][ T1488]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.517692][ T1488]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   79.517694][ T1488]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   79.517696][ T1488]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.517699][ T1488]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   79.517703][ T1488]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   79.517707][ T1488]  ____sys_sendmsg (net/socket.c:2713)
[   79.517709][ T1488]  ? copy_msghdr_from_user (net/socket.c:2650)
[   79.517714][ T1488]  ? sock_write_iter (net/socket.c:1269)
[   79.517716][ T1488]  ? move_addr_to_kernel (net/socket.c:258)
[   79.517718][ T1488]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   79.517722][ T1488]  ___sys_sendmsg (net/socket.c:2767)
[   79.517725][ T1488]  ? copy_msghdr_from_user (net/socket.c:2619)
[   79.517732][ T1488]  __sys_sendmsg (net/socket.c:2799)
[   79.517735][ T1488]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   79.517739][ T1488]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.517742][ T1488]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.517745][ T1488]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   79.517747][ T1488]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.517750][ T1488] RIP: 0033:0x7f17469a654e
[   79.517752][ T1488] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   79.517755][ T1488] RSP: 002b:00007ffe6fa7ef40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   79.517759][ T1488] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f17469a654e
[   79.517761][ T1488] RDX: 0000000000000000 RSI: 00007ffe6fa7eff0 RDI: 0000000000000005
[   79.517762][ T1488] RBP: 00007ffe6fa7ef50 R08: 0000000000000000 R09: 0000000000000000
[   79.517763][ T1488] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b6f
[   79.517765][ T1488] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6fa7f6b0
| [   82.385574][ T1546] softirqs last disabled at (0): 0x0
| [   82.385576][ T1546] Preemption disabled at:
| [   82.385577][ T1546] vprintk_emit (kernel/printk/printk.c:2471)
| [   82.385587][ T1546] Tainted: [W]=WARN
[   82.385588][ T1546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.385590][ T1546] Call Trace:
[   82.385591][ T1546]  <TASK>
[   82.385592][ T1546]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   82.385598][ T1546]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   82.385599][ T1546]  __might_resched.cold (kernel/sched/core.c:9234)
[   82.385603][ T1546]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   82.385606][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.385609][ T1546]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   82.385612][ T1546]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   82.385615][ T1546]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.385620][ T1546]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   82.385622][ T1546]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.385624][ T1546]  put_chars (drivers/char/virtio_console.c:1176)
[   82.385626][ T1546]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   82.385627][ T1546]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   82.385630][ T1546]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   82.385635][ T1546]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   82.385637][ T1546]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   82.385639][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.385640][ T1546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.385642][ T1546]  console_emit_next_record (kernel/printk/printk.c:3183)
[   82.385645][ T1546]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   82.385647][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.385648][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.385649][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.385650][ T1546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.385652][ T1546]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   82.385654][ T1546]  console_flush_one_record (kernel/printk/printk.c:3268)
[   82.385656][ T1546]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   82.385659][ T1546]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   82.385661][ T1546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.385662][ T1546]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   82.385664][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.385665][ T1546]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.385667][ T1546]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   82.385668][ T1546]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   82.385670][ T1546]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   82.385672][ T1546]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   82.385673][ T1546]  vprintk_emit (kernel/printk/printk.c:2479)
[   82.385675][ T1546]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   82.385676][ T1546]  ? 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)
[   82.385678][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.385679][ T1546]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   82.385683][ T1546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.385685][ T1546]  _printk (kernel/printk/printk.c:2504)
[   82.385687][ T1546]  ? snapshot_read.cold (user.c:?)
[   82.385689][ T1546]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   82.385693][ T1546]  ? idr_get_free (??:?)
[   82.385695][ T1546]  ? 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)
[   82.385698][ T1546]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[   82.385705][ T1546]  ? nla_get_range_signed (lib/nlattr.c:270)
[   82.385709][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.385714][ T1546]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   82.385717][ T1546]  __nla_validate_parse (lib/nlattr.c:635)
[   82.385720][ T1546]  __nla_parse (lib/nlattr.c:732)
[   82.385722][ T1546]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   82.385725][ T1546]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.385727][ T1546]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   82.385729][ T1546]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   82.385732][ T1546]  ? security_capable (security/security.c:660 (discriminator 11))
[   82.385735][ T1546]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   82.385738][ T1546]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   82.385740][ T1546]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   82.385747][ T1546]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   82.385750][ T1546]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   82.385752][ T1546]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   82.385754][ T1546]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   82.385756][ T1546]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   82.385758][ T1546]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.385761][ T1546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.385763][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.385764][ T1546]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.385766][ T1546]  genl_rcv (net/netlink/genetlink.c:1218)
[   82.385768][ T1546]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.385770][ T1546]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.385772][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.385773][ T1546]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   82.385775][ T1546]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   82.385777][ T1546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.385779][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.385781][ T1546]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   82.385784][ T1546]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   82.385787][ T1546]  __sys_sendto (net/socket.c:2281)
[   82.385789][ T1546]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   82.385793][ T1546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.385794][ T1546]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.385796][ T1546]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   82.385798][ T1546]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   82.385799][ T1546]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   82.385801][ T1546]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   82.385802][ T1546]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   82.385805][ T1546]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   82.385807][ T1546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.385809][ T1546] RIP: 0033:0x7f395c504312
[   82.385811][ T1546] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   82.385813][ T1546] RSP: 002b:00007ffe57b89b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   82.385816][ T1546] RAX: ffffffffffffffda RBX: 00007ffe57b89c78 RCX: 00007f395c504312
[   82.385818][ T1546] RDX: 0000000000000040 RSI: 00007f39580e29c0 RDI: 0000000000000020
[   82.385819][ T1546] RBP: 00007ffe57b89b70 R08: 00007ffe57b89cf0 R09: 000000000000000c
[   82.385820][ T1546] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f395a36e0b0
[   82.385820][ T1546] R13: 00007ffe57b89c78 R14: 00007f395be2301a R15: 00007ffe57b8a068
| [   84.141965][ T1620] softirqs last disabled at (0): 0x0
| [   84.141967][ T1620] Preemption disabled at:
| [   84.141967][ T1620] vprintk_emit (kernel/printk/printk.c:2471)
| [   84.141978][ T1620] Tainted: [W]=WARN
[   84.141979][ T1620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.141980][ T1620] Call Trace:
[   84.141982][ T1620]  <TASK>
[   84.141984][ T1620]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   84.141990][ T1620]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   84.141991][ T1620]  __might_resched.cold (kernel/sched/core.c:9234)
[   84.141995][ T1620]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   84.141999][ T1620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.142001][ T1620]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   84.142004][ T1620]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   84.142007][ T1620]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.142012][ T1620]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   84.142014][ T1620]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.142016][ T1620]  put_chars (drivers/char/virtio_console.c:1176)
[   84.142018][ T1620]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   84.142019][ T1620]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   84.142022][ T1620]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   84.142024][ T1620]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   84.142029][ T1620]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   84.142031][ T1620]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   84.142033][ T1620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.142034][ T1620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.142035][ T1620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.142037][ T1620]  console_emit_next_record (kernel/printk/printk.c:3183)
[   84.142040][ T1620]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   84.142042][ T1620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.142043][ T1620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.142044][ T1620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.142045][ T1620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.142047][ T1620]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   84.142049][ T1620]  console_flush_one_record (kernel/printk/printk.c:3268)
[   84.142051][ T1620]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   84.142053][ T1620]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   84.142055][ T1620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.142057][ T1620]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   84.142059][ T1620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.142060][ T1620]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   84.142061][ T1620]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   84.142063][ T1620]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   84.142064][ T1620]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   84.142066][ T1620]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   84.142067][ T1620]  vprintk_emit (kernel/printk/printk.c:2479)
[   84.142069][ T1620]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   84.142071][ T1620]  _printk (kernel/printk/printk.c:2504)
[   84.142074][ T1620]  ? snapshot_read.cold (user.c:?)
[   84.142076][ T1620]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   84.142079][ T1620]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   84.142083][ T1620]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   84.142085][ T1620]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   84.142088][ T1620]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   84.142090][ T1620]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   84.142092][ T1620]  ? netdev_notice (net/core/dev.c:13194)
[   84.142094][ T1620]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   84.142102][ T1620]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   84.142103][ T1620]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   84.142106][ T1620]  netif_set_promiscuity (net/core/dev.c:9699)
[   84.142108][ T1620]  dev_set_promiscuity (net/core/dev_api.c:288)
[   84.142110][ T1620]  ? dev_disable_lro (net/core/dev_api.c:267)
[   84.142111][ T1620] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   84.142115][ T1620] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   84.142119][ T1620]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   84.142121][ T1620] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   84.142125][ T1620]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   84.142129][ T1620] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   84.142133][ T1620]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   84.142136][ T1620]  ? __nla_validate_parse (lib/nlattr.c:635)
[   84.142141][ T1620]  ? __nla_parse (lib/nlattr.c:732)
[   84.142143][ T1620]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   84.142147][ T1620]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   84.142149][ T1620]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   84.142153][ T1620]  ? security_capable (security/security.c:660 (discriminator 11))
[   84.142156][ T1620]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   84.142158][ T1620]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   84.142160][ T1620]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   84.142164][ T1620]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   84.142167][ T1620]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   84.142169][ T1620]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   84.142171][ T1620]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   84.142173][ T1620]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   84.142175][ T1620]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.142178][ T1620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.142179][ T1620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.142180][ T1620]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   84.142182][ T1620]  genl_rcv (net/netlink/genetlink.c:1218)
[   84.142184][ T1620]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.142186][ T1620]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.142188][ T1620]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[   84.142191][ T1620]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[   84.142193][ T1620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.142194][ T1620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.142195][ T1620]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   84.142198][ T1620]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   84.142199][ T1620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.142201][ T1620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.142203][ T1620]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   84.142205][ T1620]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   84.142208][ T1620]  __sys_sendto (net/socket.c:2281)
[   84.142211][ T1620]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   84.142214][ T1620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.142216][ T1620]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   84.142218][ T1620]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   84.142219][ T1620]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   84.142222][ T1620]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   84.142224][ T1620]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   84.142225][ T1620]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   84.142228][ T1620]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   84.142230][ T1620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.142232][ T1620] RIP: 0033:0x7fcce1081312
[   84.142234][ T1620] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   84.142236][ T1620] RSP: 002b:00007ffe755896b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   84.142240][ T1620] RAX: ffffffffffffffda RBX: 00007ffe755897e8 RCX: 00007fcce1081312
[   84.142241][ T1620] RDX: 0000000000000034 RSI: 00007fccdccb7df0 RDI: 0000000000000023
[   84.142242][ T1620] RBP: 00007ffe755896e0 R08: 00007ffe75589860 R09: 000000000000000c
[   84.142243][ T1620] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fccdeeda190
[   84.142244][ T1620] R13: 00007ffe755897e8 R14: 00007fcce09a001a R15: 00007ffe75589bd8
| [   85.205688][ T1663] softirqs last disabled at (0): 0x0
| [   85.205690][ T1663] Preemption disabled at:
| [   85.205691][ T1663] vprintk_emit (kernel/printk/printk.c:2471)
| [   85.205704][ T1663] Tainted: [W]=WARN
[   85.205705][ T1663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.205708][ T1663] Call Trace:
[   85.205714][ T1663]  <TASK>
[   85.205716][ T1663]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   85.205723][ T1663]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   85.205725][ T1663]  __might_resched.cold (kernel/sched/core.c:9234)
[   85.205730][ T1663]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   85.205735][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.205738][ T1663]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   85.205742][ T1663]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   85.205746][ T1663]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.205753][ T1663]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   85.205755][ T1663]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.205759][ T1663]  put_chars (drivers/char/virtio_console.c:1176)
[   85.205762][ T1663]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   85.205764][ T1663]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   85.205768][ T1663]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   85.205771][ T1663]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   85.205777][ T1663]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   85.205780][ T1663]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   85.205783][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.205785][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.205787][ T1663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.205790][ T1663]  console_emit_next_record (kernel/printk/printk.c:3183)
[   85.205794][ T1663]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   85.205798][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.205799][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.205801][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.205803][ T1663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.205806][ T1663]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   85.205809][ T1663]  console_flush_one_record (kernel/printk/printk.c:3268)
[   85.205812][ T1663]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   85.205817][ T1663]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   85.205819][ T1663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.205822][ T1663]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   85.205824][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.205826][ T1663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   85.205828][ T1663]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   85.205831][ T1663]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   85.205833][ T1663]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   85.205836][ T1663]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   85.205838][ T1663]  vprintk_emit (kernel/printk/printk.c:2479)
[   85.205841][ T1663]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   85.205845][ T1663]  _printk (kernel/printk/printk.c:2504)
[   85.205849][ T1663]  ? snapshot_read.cold (user.c:?)
[   85.205851][ T1663]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   85.205855][ T1663]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   85.205860][ T1663]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   85.205862][ T1663]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   85.205866][ T1663]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   85.205870][ T1663]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   85.205873][ T1663]  ? netdev_notice (net/core/dev.c:13194)
[   85.205875][ T1663]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   85.205887][ T1663]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   85.205889][ T1663]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   85.205893][ T1663]  netif_set_promiscuity (net/core/dev.c:9699)
[   85.205897][ T1663]  dev_set_promiscuity (net/core/dev_api.c:288)
[   85.205899][ T1663]  ? dev_disable_lro (net/core/dev_api.c:267)
[   85.205901][ T1663] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   85.205908][ T1663] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   85.205914][ T1663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   85.205917][ T1663] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   85.205924][ T1663]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   85.205929][ T1663] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   85.205936][ T1663]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   85.205941][ T1663]  ? __nla_validate_parse (lib/nlattr.c:635)
[   85.205947][ T1663]  ? __nla_parse (lib/nlattr.c:732)
[   85.205950][ T1663]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   85.205955][ T1663]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   85.205959][ T1663]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   85.205964][ T1663]  ? security_capable (security/security.c:660 (discriminator 11))
[   85.205968][ T1663]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   85.205972][ T1663]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   85.205975][ T1663]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   85.205981][ T1663]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   85.205985][ T1663]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   85.205988][ T1663]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   85.205991][ T1663]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   85.205994][ T1663]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   85.205997][ T1663]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   85.206001][ T1663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.206004][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.206006][ T1663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   85.206009][ T1663]  genl_rcv (net/netlink/genetlink.c:1218)
[   85.206012][ T1663]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.206015][ T1663]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   85.206018][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.206020][ T1663]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.206024][ T1663]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   85.206026][ T1663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.206029][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.206032][ T1663]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   85.206035][ T1663]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   85.206039][ T1663]  __sys_sendto (net/socket.c:2281)
[   85.206043][ T1663]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   85.206049][ T1663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.206050][ T1663]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   85.206054][ T1663]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   85.206056][ T1663]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   85.206060][ T1663]  ? 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))
[   85.206062][ T1663]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   85.206064][ T1663]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.206069][ T1663]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   85.206072][ T1663]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.206075][ T1663] RIP: 0033:0x7f226412e312
[   85.206078][ T1663] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   85.206081][ T1663] RSP: 002b:00007fff90855e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   85.206086][ T1663] RAX: ffffffffffffffda RBX: 00007fff90855f98 RCX: 00007f226412e312
[   85.206088][ T1663] RDX: 0000000000000034 RSI: 00007f226055a430 RDI: 0000000000000023
[   85.206089][ T1663] RBP: 00007fff90855e90 R08: 00007fff90856010 R09: 000000000000000c
[   85.206091][ T1663] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2261f8e270
[   85.206092][ T1663] R13: 00007fff90855f98 R14: 00007f2263a4d01a R15: 00007fff90856388
| [   86.469124][ T1695] softirqs last disabled at (0): 0x0
| [   86.469127][ T1695] Preemption disabled at:
| [   86.469128][ T1695] vprintk_emit (kernel/printk/printk.c:2471)
| [   86.469141][ T1695] Tainted: [W]=WARN
[   86.469142][ T1695] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.469144][ T1695] Call Trace:
[   86.469146][ T1695]  <TASK>
[   86.469147][ T1695]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   86.469154][ T1695]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   86.469156][ T1695]  __might_resched.cold (kernel/sched/core.c:9234)
[   86.469161][ T1695]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   86.469165][ T1695]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   86.469170][ T1695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.469173][ T1695]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   86.469176][ T1695]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   86.469180][ T1695]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.469186][ T1695]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   86.469189][ T1695]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.469192][ T1695]  put_chars (drivers/char/virtio_console.c:1176)
[   86.469195][ T1695]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   86.469198][ T1695]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   86.469202][ T1695]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   86.469208][ T1695]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   86.469210][ T1695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.469212][ T1695]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.469216][ T1695]  console_emit_next_record (kernel/printk/printk.c:3183)
[   86.469220][ T1695]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   86.469223][ T1695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.469224][ T1695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.469226][ T1695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.469228][ T1695]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.469231][ T1695]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   86.469234][ T1695]  console_flush_one_record (kernel/printk/printk.c:3268)
[   86.469237][ T1695]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   86.469242][ T1695]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   86.469245][ T1695]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.469248][ T1695]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   86.469251][ T1695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.469253][ T1695]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.469255][ T1695]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   86.469257][ T1695]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   86.469260][ T1695]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   86.469263][ T1695]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   86.469265][ T1695]  vprintk_emit (kernel/printk/printk.c:2479)
[   86.469268][ T1695]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   86.469270][ T1695]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   86.469275][ T1695]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   86.469278][ T1695]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   86.469283][ T1695]  _printk (kernel/printk/printk.c:2504)
[   86.469287][ T1695]  ? snapshot_read.cold (user.c:?)
[   86.469290][ T1695]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   86.469294][ T1695]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   86.469298][ T1695]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   86.469301][ T1695]  ? netdev_notice (net/core/dev.c:13194)
[   86.469303][ T1695]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   86.469307][ T1695]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   86.469311][ T1695]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   86.469313][ T1695]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   86.469317][ T1695]  netif_set_promiscuity (net/core/dev.c:9699)
[   86.469320][ T1695]  dev_set_promiscuity (net/core/dev_api.c:288)
[   86.469323][ T1695]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.469327][ T1695] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   86.469336][ T1695]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[   86.469342][ T1695] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[   86.469348][ T1695] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[   86.469357][ T1695]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   86.469362][ T1695]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   86.469367][ T1695]  ? security_capable (security/security.c:660 (discriminator 11))
[   86.469371][ T1695]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   86.469375][ T1695]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   86.469378][ T1695]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[   86.469385][ T1695]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.469388][ T1695]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.469393][ T1695]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   86.469396][ T1695]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.469398][ T1695]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   86.469402][ T1695]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.469406][ T1695]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.469409][ T1695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.469411][ T1695]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.469414][ T1695]  genl_rcv (net/netlink/genetlink.c:1218)
[   86.469416][ T1695]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.469420][ T1695]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.469422][ T1695]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   86.469426][ T1695]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[   86.469430][ T1695]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.469433][ T1695]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   86.469436][ T1695]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.469439][ T1695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.469441][ T1695]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   86.469445][ T1695]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   86.469448][ T1695]  __sys_sendto (net/socket.c:2281)
[   86.469452][ T1695]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   86.469458][ T1695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.469460][ T1695]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.469463][ T1695]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   86.469466][ T1695]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.469475][ T1695]  ? 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))
[   86.469478][ T1695]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   86.469480][ T1695]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.469484][ T1695]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   86.469486][ T1695]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.469489][ T1695] RIP: 0033:0x7fbd27a10312
[   86.469492][ T1695] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   86.469494][ T1695] RSP: 002b:00007ffdc60a4d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   86.469499][ T1695] RAX: ffffffffffffffda RBX: 00007ffdc60a4e58 RCX: 00007fbd27a10312
[   86.469501][ T1695] RDX: 0000000000000024 RSI: 00007fbd246251a0 RDI: 0000000000000023
[   86.469502][ T1695] RBP: 00007ffdc60a4d50 R08: 00007ffdc60a4ed0 R09: 000000000000000c
[   86.469504][ T1695] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd2587a270
[   86.469505][ T1695] R13: 00007ffdc60a4e58 R14: 00007fbd2732f01a R15: 00007ffdc60a5248
| [   87.787554][ T1731] softirqs last disabled at (0): 0x0
| [   87.787556][ T1731] Preemption disabled at:
| [   87.787557][ T1731] vprintk_emit (kernel/printk/printk.c:2471)
| [   87.787570][ T1731] Tainted: [W]=WARN
[   87.787571][ T1731] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.787573][ T1731] Call Trace:
[   87.787575][ T1731]  <TASK>
[   87.787577][ T1731]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   87.787584][ T1731]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   87.787586][ T1731]  __might_resched.cold (kernel/sched/core.c:9234)
[   87.787591][ T1731]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   87.787595][ T1731]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   87.787599][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.787602][ T1731]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   87.787606][ T1731]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   87.787610][ T1731]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.787616][ T1731]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   87.787618][ T1731]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.787622][ T1731]  put_chars (drivers/char/virtio_console.c:1176)
[   87.787624][ T1731]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   87.787627][ T1731]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   87.787631][ T1731]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   87.787638][ T1731]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   87.787640][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.787643][ T1731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.787647][ T1731]  console_emit_next_record (kernel/printk/printk.c:3183)
[   87.787651][ T1731]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   87.787654][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.787655][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.787657][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.787659][ T1731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.787662][ T1731]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   87.787665][ T1731]  console_flush_one_record (kernel/printk/printk.c:3268)
[   87.787668][ T1731]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   87.787673][ T1731]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   87.787675][ T1731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.787678][ T1731]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   87.787680][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.787682][ T1731]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.787685][ T1731]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   87.787687][ T1731]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   87.787689][ T1731]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   87.787692][ T1731]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   87.787695][ T1731]  vprintk_emit (kernel/printk/printk.c:2479)
[   87.787698][ T1731]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   87.787700][ T1731]  ? 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)
[   87.787703][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.787705][ T1731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.787708][ T1731]  _printk (kernel/printk/printk.c:2504)
[   87.787716][ T1731]  ? snapshot_read.cold (user.c:?)
[   87.787719][ T1731]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   87.787724][ T1731]  ? idr_get_free (??:?)
[   87.787727][ T1731]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[   87.787737][ T1731]  ? 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)
[   87.787741][ T1731] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[   87.787750][ T1731]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[   87.787756][ T1731]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   87.787759][ T1731]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[   87.787763][ T1731]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[   87.787766][ T1731]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   87.787769][ T1731]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.787772][ T1731]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.787774][ T1731]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   87.787778][ T1731]  ? __sys_sendto (net/socket.c:2281)
[   87.787780][ T1731]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   87.787790][ T1731]  ? __nla_parse (lib/nlattr.c:732)
[   87.787795][ T1731]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   87.787799][ T1731]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   87.787802][ T1731]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   87.787808][ T1731]  ? security_capable (security/security.c:660 (discriminator 11))
[   87.787811][ T1731]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   87.787815][ T1731]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   87.787818][ T1731]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[   87.787824][ T1731]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   87.787828][ T1731]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   87.787831][ T1731]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   87.787834][ T1731]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.787837][ T1731]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   87.787840][ T1731]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.787844][ T1731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.787847][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.787849][ T1731]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.787852][ T1731]  genl_rcv (net/netlink/genetlink.c:1218)
[   87.787855][ T1731]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.787858][ T1731]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.787861][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.787864][ T1731]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.787867][ T1731]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   87.787870][ T1731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.787873][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.787875][ T1731]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   87.787877][ T1731]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   87.787881][ T1731]  __sys_sendto (net/socket.c:2281)
[   87.787884][ T1731]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   87.787890][ T1731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.787892][ T1731]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.787896][ T1731]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   87.787898][ T1731]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.787900][ T1731]  ? 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))
[   87.787903][ T1731]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   87.787905][ T1731]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.787909][ T1731]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   87.787911][ T1731]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.787915][ T1731] RIP: 0033:0x7f053932b312
[   87.787917][ T1731] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   87.787920][ T1731] RSP: 002b:00007ffce0b69778 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   87.787924][ T1731] RAX: ffffffffffffffda RBX: 00007ffce0b698a8 RCX: 00007f053932b312
[   87.787926][ T1731] RDX: 00000000000000e4 RSI: 00007f0534edce40 RDI: 0000000000000026
[   87.787928][ T1731] RBP: 00007ffce0b697a0 R08: 00007ffce0b69920 R09: 000000000000000c
[   87.787929][ T1731] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f053718e2e0
[   87.787931][ T1731] R13: 00007ffce0b698a8 R14: 00007f0538c4a01a R15: 00007ffce0b69c98
| [   88.908618][ T1781] softirqs last disabled at (0): 0x0
| [   88.908620][ T1781] Preemption disabled at:
| [   88.908621][ T1781] vprintk_emit (kernel/printk/printk.c:2471)
| [   88.908635][ T1781] Tainted: [W]=WARN
[   88.908636][ T1781] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.908638][ T1781] Call Trace:
[   88.908640][ T1781]  <TASK>
[   88.908642][ T1781]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.908649][ T1781]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   88.908651][ T1781]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.908656][ T1781]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.908660][ T1781]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   88.908663][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908666][ T1781]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   88.908670][ T1781]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.908674][ T1781]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.908680][ T1781]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.908683][ T1781]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.908687][ T1781]  put_chars (drivers/char/virtio_console.c:1176)
[   88.908689][ T1781]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   88.908691][ T1781]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.908694][ T1781]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   88.908698][ T1781]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.908704][ T1781]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.908707][ T1781]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   88.908709][ T1781]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   88.908716][ T1781]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.908719][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908721][ T1781]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.908725][ T1781]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.908729][ T1781]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.908732][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908734][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908735][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908737][ T1781]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.908740][ T1781]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   88.908743][ T1781]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.908747][ T1781]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.908751][ T1781]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.908754][ T1781]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.908756][ T1781]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.908759][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908760][ T1781]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.908763][ T1781]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   88.908765][ T1781]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   88.908768][ T1781]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.908770][ T1781]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.908773][ T1781]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.908776][ T1781]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.908778][ T1781]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   88.908782][ T1781]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   88.908786][ T1781]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   88.908790][ T1781]  _printk (kernel/printk/printk.c:2504)
[   88.908794][ T1781]  ? snapshot_read.cold (user.c:?)
[   88.908798][ T1781]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   88.908802][ T1781]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   88.908805][ T1781]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   88.908808][ T1781]  ? netdev_notice (net/core/dev.c:13194)
[   88.908811][ T1781]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   88.908815][ T1781]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   88.908819][ T1781]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.908821][ T1781]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   88.908825][ T1781]  netif_set_promiscuity (net/core/dev.c:9699)
[   88.908829][ T1781]  dev_set_promiscuity (net/core/dev_api.c:288)
[   88.908831][ T1781]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.908835][ T1781] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   88.908845][ T1781] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   88.908852][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908854][ T1781]  notifier_call_chain (kernel/notifier.c:85)
[   88.908859][ T1781]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   88.908863][ T1781]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   88.908868][ T1781]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   88.908870][ T1781]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.908873][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908875][ T1781]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   88.908877][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908887][ T1781]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   88.908890][ T1781]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.908893][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908895][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908897][ T1781]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.908899][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908901][ T1781]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.908904][ T1781]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   88.908907][ T1781]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.908909][ T1781]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.908913][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908915][ T1781]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   88.908919][ T1781]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   88.908922][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908924][ T1781]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.908927][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908929][ T1781]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   88.908931][ T1781]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.908935][ T1781]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.908937][ T1781]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.908941][ T1781]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.908946][ T1781]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.908950][ T1781]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.908952][ T1781]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.908955][ T1781]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.908957][ T1781]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   88.908962][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.908964][ T1781]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.908967][ T1781]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.908971][ T1781]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.908974][ T1781]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.908977][ T1781]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.908981][ T1781]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.908983][ T1781]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.908986][ T1781]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.908989][ T1781]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   88.908993][ T1781]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   88.908997][ T1781]  ____sys_sendmsg (net/socket.c:2713)
[   88.909000][ T1781]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.909002][ T1781]  ? sock_write_iter (net/socket.c:1269)
[   88.909005][ T1781]  ? move_addr_to_kernel (net/socket.c:258)
[   88.909007][ T1781]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.909011][ T1781]  ___sys_sendmsg (net/socket.c:2767)
[   88.909014][ T1781]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.909022][ T1781]  __sys_sendmsg (net/socket.c:2799)
[   88.909026][ T1781]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.909030][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.909033][ T1781]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.909036][ T1781]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.909039][ T1781]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.909041][ T1781] RIP: 0033:0x7fc6f4d1a54e
[   88.909044][ T1781] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.909047][ T1781] RSP: 002b:00007ffe56240de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.909051][ T1781] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc6f4d1a54e
[   88.909054][ T1781] RDX: 0000000000000000 RSI: 00007ffe56240e90 RDI: 0000000000000005
[   88.909055][ T1781] RBP: 00007ffe56240df0 R08: 0000000000000000 R09: 0000000000000000
[   88.909056][ T1781] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b79
[   88.909058][ T1781] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe56241550
| [   92.061707][ T1846] softirqs last disabled at (0): 0x0
| [   92.061709][ T1846] Preemption disabled at:
| [   92.061709][ T1846] vprintk_emit (kernel/printk/printk.c:2471)
| [   92.061722][ T1846] Tainted: [W]=WARN
[   92.061723][ T1846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.061725][ T1846] Call Trace:
[   92.061727][ T1846]  <TASK>
[   92.061728][ T1846]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   92.061734][ T1846]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   92.061735][ T1846]  __might_resched.cold (kernel/sched/core.c:9234)
[   92.061739][ T1846]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   92.061743][ T1846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.061746][ T1846]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   92.061748][ T1846]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   92.061751][ T1846]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.061756][ T1846]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   92.061758][ T1846]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.061761][ T1846]  put_chars (drivers/char/virtio_console.c:1176)
[   92.061762][ T1846]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   92.061764][ T1846]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   92.061766][ T1846]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   92.061768][ T1846]  ? pointer (lib/vsprintf.c:2577)
[   92.061772][ T1846]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   92.061776][ T1846]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   92.061778][ T1846]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   92.061780][ T1846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.061782][ T1846]  console_emit_next_record (kernel/printk/printk.c:3183)
[   92.061785][ T1846]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   92.061787][ T1846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.061788][ T1846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.061789][ T1846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.061790][ T1846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.061792][ T1846]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   92.061794][ T1846]  console_flush_one_record (kernel/printk/printk.c:3268)
[   92.061797][ T1846]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   92.061799][ T1846]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   92.061801][ T1846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.061803][ T1846]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   92.061805][ T1846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.061806][ T1846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   92.061807][ T1846]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   92.061809][ T1846]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   92.061810][ T1846]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   92.061812][ T1846]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   92.061814][ T1846]  vprintk_emit (kernel/printk/printk.c:2479)
[   92.061815][ T1846]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   92.061816][ T1846]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   92.061819][ T1846]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   92.061822][ T1846]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[   92.061825][ T1846]  _printk (kernel/printk/printk.c:2504)
[   92.061828][ T1846]  ? snapshot_read.cold (user.c:?)
[   92.061830][ T1846]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   92.061833][ T1846]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   92.061836][ T1846]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   92.061838][ T1846]  ? netdev_notice (net/core/dev.c:13194)
[   92.061840][ T1846]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   92.061844][ T1846]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[   92.061847][ T1846]  ? register_netdevice (net/core/dev.c:11556)
[   92.061849][ T1846]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   92.061851][ T1846]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   92.061853][ T1846]  ? unregister_netdev (net/core/dev.c:12699)
[   92.061854][ T1846]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[   92.061856][ T1846]  netif_set_promiscuity (net/core/dev.c:9699)
[   92.061859][ T1846]  dev_set_promiscuity (net/core/dev_api.c:288)
[   92.061861][ T1846] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[   92.061868][ T1846] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   92.061872][ T1846] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   92.061877][ T1846] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[   92.061882][ T1846]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   92.061885][ T1846]  ? __nla_validate_parse (lib/nlattr.c:635)
[   92.061889][ T1846]  ? __nla_parse (lib/nlattr.c:732)
[   92.061891][ T1846]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   92.061894][ T1846]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   92.061896][ T1846]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   92.061899][ T1846]  ? security_capable (security/security.c:660 (discriminator 11))
[   92.061902][ T1846]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   92.061905][ T1846]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   92.061907][ T1846]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   92.061910][ T1846]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   92.061913][ T1846]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   92.061915][ T1846]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   92.061917][ T1846]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   92.061919][ T1846]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   92.061921][ T1846]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.061924][ T1846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.061926][ T1846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.061927][ T1846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   92.061929][ T1846]  genl_rcv (net/netlink/genetlink.c:1218)
[   92.061931][ T1846]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.061933][ T1846]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.061935][ T1846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.061937][ T1846]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   92.061939][ T1846]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   92.061941][ T1846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.061943][ T1846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.061944][ T1846]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   92.061947][ T1846]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   92.061950][ T1846]  __sys_sendto (net/socket.c:2281)
[   92.061953][ T1846]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   92.061956][ T1846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.061958][ T1846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   92.061960][ T1846]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   92.061962][ T1846]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   92.061963][ T1846]  ? 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))
[   92.061965][ T1846]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   92.061966][ T1846]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   92.061969][ T1846]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   92.061971][ T1846]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.061973][ T1846] RIP: 0033:0x7f23913a4312
[   92.061975][ T1846] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   92.061977][ T1846] RSP: 002b:00007ffe9ebef7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   92.061980][ T1846] RAX: ffffffffffffffda RBX: 00007ffe9ebef8f8 RCX: 00007f23913a4312
[   92.061982][ T1846] RDX: 0000000000000030 RSI: 00007f238cfad1f0 RDI: 0000000000000020
[   92.061982][ T1846] RBP: 00007ffe9ebef7f0 R08: 00007ffe9ebef970 R09: 000000000000000c
[   92.061983][ T1846] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f238f20e0b0
[   92.061984][ T1846] R13: 00007ffe9ebef8f8 R14: 00007f2390cc301a R15: 00007ffe9ebefce8
| [   93.132437][ T1894] softirqs last disabled at (0): 0x0
| [   93.132439][ T1894] Preemption disabled at:
| [   93.132439][ T1894] vprintk_emit (kernel/printk/printk.c:2471)
| [   93.132450][ T1894] Tainted: [W]=WARN
[   93.132451][ T1894] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.132453][ T1894] Call Trace:
[   93.132454][ T1894]  <TASK>
[   93.132456][ T1894]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.132461][ T1894]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   93.132462][ T1894]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.132466][ T1894]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.132470][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.132472][ T1894]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   93.132475][ T1894]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   93.132478][ T1894]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.132484][ T1894]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   93.132485][ T1894]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.132488][ T1894]  put_chars (drivers/char/virtio_console.c:1176)
[   93.132490][ T1894]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.132491][ T1894]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   93.132493][ T1894]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   93.132496][ T1894]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.132500][ T1894]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.132511][ T1894]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   93.132512][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.132513][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.132514][ T1894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.132517][ T1894]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.132519][ T1894]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.132522][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.132522][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.132523][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.132524][ T1894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.132526][ T1894]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   93.132528][ T1894]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.132531][ T1894]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.132534][ T1894]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.132535][ T1894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.132537][ T1894]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.132539][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.132540][ T1894]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.132541][ T1894]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   93.132543][ T1894]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   93.132544][ T1894]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.132546][ T1894]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.132548][ T1894]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.132549][ T1894]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.132551][ T1894]  _printk (kernel/printk/printk.c:2504)
[   93.132555][ T1894]  ? snapshot_read.cold (user.c:?)
[   93.132556][ T1894]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   93.132559][ T1894]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   93.132563][ T1894]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   93.132565][ T1894]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   93.132568][ T1894]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   93.132570][ T1894]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   93.132572][ T1894]  ? netdev_notice (net/core/dev.c:13194)
[   93.132574][ T1894]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   93.132582][ T1894]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   93.132583][ T1894]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   93.132586][ T1894]  netif_set_promiscuity (net/core/dev.c:9699)
[   93.132588][ T1894]  dev_set_promiscuity (net/core/dev_api.c:288)
[   93.132590][ T1894]  ? dev_disable_lro (net/core/dev_api.c:267)
[   93.132591][ T1894] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   93.132595][ T1894] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   93.132599][ T1894]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.132601][ T1894] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   93.132605][ T1894]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   93.132609][ T1894] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   93.132613][ T1894]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   93.132616][ T1894]  ? __nla_validate_parse (lib/nlattr.c:635)
[   93.132621][ T1894]  ? __nla_parse (lib/nlattr.c:732)
[   93.132623][ T1894]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   93.132627][ T1894]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   93.132629][ T1894]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   93.132632][ T1894]  ? security_capable (security/security.c:660 (discriminator 11))
[   93.132635][ T1894]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   93.132638][ T1894]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   93.132640][ T1894]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   93.132643][ T1894]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   93.132646][ T1894]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   93.132648][ T1894]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   93.132650][ T1894]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.132652][ T1894]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   93.132654][ T1894]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.132657][ T1894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.132658][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.132660][ T1894]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.132662][ T1894]  genl_rcv (net/netlink/genetlink.c:1218)
[   93.132663][ T1894]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.132666][ T1894]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.132668][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.132669][ T1894]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.132671][ T1894]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   93.132673][ T1894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.132675][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.132677][ T1894]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   93.132679][ T1894]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   93.132682][ T1894]  __sys_sendto (net/socket.c:2281)
[   93.132685][ T1894]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   93.132688][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.132689][ T1894]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.132692][ T1894]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   93.132693][ T1894]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.132696][ T1894]  ? 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))
[   93.132698][ T1894]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   93.132699][ T1894]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.132703][ T1894]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   93.132704][ T1894]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.132707][ T1894] RIP: 0033:0x7fe4837fd312
[   93.132709][ T1894] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   93.132714][ T1894] RSP: 002b:00007ffce6d0dc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   93.132717][ T1894] RAX: ffffffffffffffda RBX: 00007ffce6d0dd68 RCX: 00007fe4837fd312
[   93.132719][ T1894] RDX: 0000000000000034 RSI: 00007fe480437eb0 RDI: 0000000000000023
[   93.132720][ T1894] RBP: 00007ffce6d0dc60 R08: 00007ffce6d0dde0 R09: 000000000000000c
[   93.132720][ T1894] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe481656190
[   93.132721][ T1894] R13: 00007ffce6d0dd68 R14: 00007fe48311c01a R15: 00007ffce6d0e158
| [   94.898142][ T1923] softirqs last disabled at (0): 0x0
| [   94.898144][ T1923] Preemption disabled at:
| [   94.898145][ T1923] vprintk_emit (kernel/printk/printk.c:2471)
| [   94.898155][ T1923] Tainted: [W]=WARN
[   94.898156][ T1923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.898157][ T1923] Call Trace:
[   94.898158][ T1923]  <TASK>
[   94.898160][ T1923]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   94.898165][ T1923]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   94.898167][ T1923]  __might_resched.cold (kernel/sched/core.c:9234)
[   94.898171][ T1923]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   94.898174][ T1923]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   94.898176][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898179][ T1923]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   94.898182][ T1923]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   94.898184][ T1923]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.898189][ T1923]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   94.898191][ T1923]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.898194][ T1923]  put_chars (drivers/char/virtio_console.c:1176)
[   94.898195][ T1923]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   94.898196][ T1923]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   94.898198][ T1923]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   94.898201][ T1923]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   94.898206][ T1923]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   94.898207][ T1923]  ? 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)
[   94.898209][ T1923]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   94.898212][ T1923]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   94.898214][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898215][ T1923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.898218][ T1923]  console_emit_next_record (kernel/printk/printk.c:3183)
[   94.898220][ T1923]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   94.898222][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898223][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898224][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898225][ T1923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.898227][ T1923]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   94.898229][ T1923]  console_flush_one_record (kernel/printk/printk.c:3268)
[   94.898231][ T1923]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   94.898234][ T1923]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   94.898236][ T1923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.898238][ T1923]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   94.898239][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898240][ T1923]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.898242][ T1923]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   94.898243][ T1923]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   94.898245][ T1923]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   94.898247][ T1923]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   94.898249][ T1923]  vprintk_emit (kernel/printk/printk.c:2479)
[   94.898250][ T1923]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   94.898252][ T1923]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1))
[   94.898255][ T1923]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[   94.898258][ T1923]  ? packet_notifier (./include/linux/rcupdate.h:850 net/packet/af_packet.c:4221)
[   94.898261][ T1923]  _printk (kernel/printk/printk.c:2504)
[   94.898264][ T1923]  ? snapshot_read.cold (user.c:?)
[   94.898266][ T1923]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   94.898269][ T1923]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   94.898271][ T1923]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   94.898273][ T1923]  ? netdev_notice (net/core/dev.c:13194)
[   94.898275][ T1923]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[   94.898278][ T1923]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[   94.898280][ T1923]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   94.898282][ T1923]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   94.898284][ T1923]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   94.898286][ T1923]  netif_set_promiscuity (net/core/dev.c:9699)
[   94.898289][ T1923]  dev_set_promiscuity (net/core/dev_api.c:288)
[   94.898290][ T1923]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.898293][ T1923] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[   94.898300][ T1923] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[   94.898304][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898306][ T1923]  notifier_call_chain (kernel/notifier.c:85)
[   94.898309][ T1923]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[   94.898312][ T1923]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   94.898314][ T1923]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   94.898316][ T1923]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.898318][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898319][ T1923]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   94.898320][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898326][ T1923]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   94.898328][ T1923]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.898330][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898331][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898332][ T1923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.898334][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898335][ T1923]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.898337][ T1923]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   94.898339][ T1923]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   94.898340][ T1923]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   94.898343][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898344][ T1923]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   94.898347][ T1923]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   94.898350][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898351][ T1923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.898352][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898354][ T1923]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   94.898355][ T1923]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.898357][ T1923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.898358][ T1923]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   94.898361][ T1923]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   94.898365][ T1923]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   94.898368][ T1923]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.898369][ T1923]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.898371][ T1923]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.898372][ T1923]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   94.898375][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898376][ T1923]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.898378][ T1923]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.898380][ T1923]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.898382][ T1923]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.898384][ T1923]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.898386][ T1923]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   94.898387][ T1923]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   94.898389][ T1923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.898391][ T1923]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   94.898394][ T1923]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   94.898397][ T1923]  ____sys_sendmsg (net/socket.c:2713)
[   94.898398][ T1923]  ? copy_msghdr_from_user (net/socket.c:2650)
[   94.898400][ T1923]  ? sock_write_iter (net/socket.c:1269)
[   94.898401][ T1923]  ? move_addr_to_kernel (net/socket.c:258)
[   94.898403][ T1923]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   94.898405][ T1923]  ___sys_sendmsg (net/socket.c:2767)
[   94.898407][ T1923]  ? copy_msghdr_from_user (net/socket.c:2619)
[   94.898412][ T1923]  __sys_sendmsg (net/socket.c:2799)
[   94.898414][ T1923]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   94.898417][ T1923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.898418][ T1923]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.898421][ T1923]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   94.898423][ T1923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.898424][ T1923] RIP: 0033:0x7f2a01d9554e
[   94.898426][ T1923] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   94.898428][ T1923] RSP: 002b:00007ffe34d30ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   94.898431][ T1923] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2a01d9554e
[   94.898433][ T1923] RDX: 0000000000000000 RSI: 00007ffe34d30d90 RDI: 0000000000000005
[   94.898434][ T1923] RBP: 00007ffe34d30cf0 R08: 0000000000000000 R09: 0000000000000000
[   94.898435][ T1923] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b7f
[   94.898435][ T1923] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe34d31450
| [   97.340928][ T1974] softirqs last disabled at (0): 0x0
| [   97.340930][ T1974] Preemption disabled at:
| [   97.340930][ T1974] vprintk_emit (kernel/printk/printk.c:2471)
| [   97.340941][ T1974] Tainted: [W]=WARN
[   97.340941][ T1974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.340943][ T1974] Call Trace:
[   97.340944][ T1974]  <TASK>
[   97.340945][ T1974]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   97.340951][ T1974]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   97.340952][ T1974]  __might_resched.cold (kernel/sched/core.c:9234)
[   97.340956][ T1974]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   97.340960][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.340962][ T1974]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   97.340965][ T1974]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   97.340968][ T1974]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.340973][ T1974]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   97.340975][ T1974]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.340978][ T1974]  put_chars (drivers/char/virtio_console.c:1176)
[   97.340979][ T1974]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   97.340980][ T1974]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   97.340983][ T1974]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   97.340985][ T1974]  ? pointer (lib/vsprintf.c:2577)
[   97.340988][ T1974]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   97.340993][ T1974]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   97.340995][ T1974]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   97.340997][ T1974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.340999][ T1974]  console_emit_next_record (kernel/printk/printk.c:3183)
[   97.341002][ T1974]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   97.341004][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.341005][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.341006][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.341007][ T1974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.341009][ T1974]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   97.341011][ T1974]  console_flush_one_record (kernel/printk/printk.c:3268)
[   97.341013][ T1974]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   97.341016][ T1974]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   97.341018][ T1974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.341020][ T1974]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   97.341021][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.341022][ T1974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   97.341024][ T1974]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   97.341025][ T1974]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   97.341027][ T1974]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   97.341029][ T1974]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   97.341030][ T1974]  vprintk_emit (kernel/printk/printk.c:2479)
[   97.341032][ T1974]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   97.341033][ T1974]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   97.341036][ T1974]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   97.341039][ T1974]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[   97.341041][ T1974]  _printk (kernel/printk/printk.c:2504)
[   97.341044][ T1974]  ? snapshot_read.cold (user.c:?)
[   97.341046][ T1974]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   97.341050][ T1974]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   97.341052][ T1974]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   97.341054][ T1974]  ? netdev_notice (net/core/dev.c:13194)
[   97.341056][ T1974]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   97.341059][ T1974]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[   97.341063][ T1974]  ? register_netdevice (net/core/dev.c:11556)
[   97.341065][ T1974]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.341067][ T1974]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   97.341068][ T1974]  ? unregister_netdev (net/core/dev.c:12699)
[   97.341070][ T1974]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[   97.341072][ T1974]  netif_set_promiscuity (net/core/dev.c:9699)
[   97.341075][ T1974]  dev_set_promiscuity (net/core/dev_api.c:288)
[   97.341077][ T1974] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[   97.341084][ T1974] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   97.341088][ T1974] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   97.341093][ T1974] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[   97.341097][ T1974]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   97.341100][ T1974]  ? __nla_validate_parse (lib/nlattr.c:635)
[   97.341105][ T1974]  ? __nla_parse (lib/nlattr.c:732)
[   97.341106][ T1974]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   97.341109][ T1974]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   97.341111][ T1974]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   97.341115][ T1974]  ? security_capable (security/security.c:660 (discriminator 11))
[   97.341118][ T1974]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   97.341120][ T1974]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   97.341122][ T1974]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[   97.341126][ T1974]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   97.341128][ T1974]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   97.341130][ T1974]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   97.341132][ T1974]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   97.341134][ T1974]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   97.341136][ T1974]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   97.341139][ T1974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.341140][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.341142][ T1974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   97.341143][ T1974]  genl_rcv (net/netlink/genetlink.c:1218)
[   97.341145][ T1974]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   97.341148][ T1974]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   97.341150][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.341151][ T1974]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   97.341153][ T1974]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   97.341155][ T1974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.341157][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.341158][ T1974]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   97.341161][ T1974]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   97.341164][ T1974]  __sys_sendto (net/socket.c:2281)
[   97.341166][ T1974]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   97.341170][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.341171][ T1974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   97.341173][ T1974]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   97.341175][ T1974]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.341176][ T1974]  ? 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))
[   97.341178][ T1974]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   97.341179][ T1974]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   97.341181][ T1974]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   97.341183][ T1974]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.341185][ T1974] RIP: 0033:0x7fcf303b4312
[   97.341187][ T1974] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   97.341189][ T1974] RSP: 002b:00007ffebe920528 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   97.341193][ T1974] RAX: ffffffffffffffda RBX: 00007ffebe920658 RCX: 00007fcf303b4312
[   97.341194][ T1974] RDX: 0000000000000034 RSI: 00007fcf1ff9e730 RDI: 0000000000000020
[   97.341195][ T1974] RBP: 00007ffebe920550 R08: 00007ffebe9206d0 R09: 000000000000000c
[   97.341196][ T1974] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcf2e21e0b0
[   97.341197][ T1974] R13: 00007ffebe920658 R14: 00007fcf2fcd301a R15: 00007ffebe920a48
| [   98.375067][ T2018] softirqs last disabled at (0): 0x0
| [   98.375069][ T2018] Preemption disabled at:
| [   98.375070][ T2018] vprintk_emit (kernel/printk/printk.c:2471)
| [   98.375081][ T2018] Tainted: [W]=WARN
[   98.375082][ T2018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.375084][ T2018] Call Trace:
[   98.375085][ T2018]  <TASK>
[   98.375086][ T2018]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   98.375092][ T2018]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   98.375094][ T2018]  __might_resched.cold (kernel/sched/core.c:9234)
[   98.375098][ T2018]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.375101][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.375104][ T2018]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   98.375107][ T2018]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   98.375110][ T2018]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.375115][ T2018]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   98.375117][ T2018]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.375119][ T2018]  put_chars (drivers/char/virtio_console.c:1176)
[   98.375121][ T2018]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   98.375122][ T2018]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   98.375125][ T2018]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   98.375127][ T2018]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   98.375132][ T2018]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   98.375134][ T2018]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   98.375136][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.375137][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.375138][ T2018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.375141][ T2018]  console_emit_next_record (kernel/printk/printk.c:3183)
[   98.375143][ T2018]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   98.375145][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.375146][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.375147][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.375148][ T2018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.375150][ T2018]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   98.375152][ T2018]  console_flush_one_record (kernel/printk/printk.c:3268)
[   98.375155][ T2018]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   98.375157][ T2018]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   98.375159][ T2018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.375161][ T2018]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   98.375163][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.375164][ T2018]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.375165][ T2018]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   98.375167][ T2018]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   98.375168][ T2018]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   98.375170][ T2018]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   98.375172][ T2018]  vprintk_emit (kernel/printk/printk.c:2479)
[   98.375174][ T2018]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   98.375176][ T2018]  _printk (kernel/printk/printk.c:2504)
[   98.375179][ T2018]  ? snapshot_read.cold (user.c:?)
[   98.375181][ T2018]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   98.375183][ T2018]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   98.375188][ T2018]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   98.375189][ T2018]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   98.375192][ T2018]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   98.375195][ T2018]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   98.375197][ T2018]  ? netdev_notice (net/core/dev.c:13194)
[   98.375198][ T2018]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   98.375206][ T2018]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.375208][ T2018]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   98.375210][ T2018]  netif_set_promiscuity (net/core/dev.c:9699)
[   98.375213][ T2018]  dev_set_promiscuity (net/core/dev_api.c:288)
[   98.375215][ T2018]  ? dev_disable_lro (net/core/dev_api.c:267)
[   98.375216][ T2018] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   98.375220][ T2018] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   98.375224][ T2018]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.375225][ T2018] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   98.375230][ T2018]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   98.375234][ T2018] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   98.375237][ T2018]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   98.375241][ T2018]  ? __nla_validate_parse (lib/nlattr.c:635)
[   98.375246][ T2018]  ? __nla_parse (lib/nlattr.c:732)
[   98.375248][ T2018]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   98.375252][ T2018]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   98.375255][ T2018]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   98.375258][ T2018]  ? security_capable (security/security.c:660 (discriminator 11))
[   98.375261][ T2018]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   98.375264][ T2018]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   98.375266][ T2018]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   98.375269][ T2018]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   98.375272][ T2018]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   98.375274][ T2018]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   98.375277][ T2018]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   98.375278][ T2018]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   98.375281][ T2018]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.375283][ T2018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.375285][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.375286][ T2018]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.375288][ T2018]  genl_rcv (net/netlink/genetlink.c:1218)
[   98.375290][ T2018]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.375292][ T2018]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.375294][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.375296][ T2018]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   98.375298][ T2018]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   98.375300][ T2018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.375302][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.375303][ T2018]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   98.375306][ T2018]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   98.375309][ T2018]  __sys_sendto (net/socket.c:2281)
[   98.375312][ T2018]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   98.375315][ T2018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.375317][ T2018]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   98.375319][ T2018]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   98.375320][ T2018]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.375323][ T2018]  ? 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))
[   98.375325][ T2018]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   98.375326][ T2018]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   98.375330][ T2018]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   98.375332][ T2018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.375334][ T2018] RIP: 0033:0x7f8097cae312
[   98.375336][ T2018] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   98.375338][ T2018] RSP: 002b:00007ffe4e333428 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   98.375342][ T2018] RAX: ffffffffffffffda RBX: 00007ffe4e333558 RCX: 00007f8097cae312
[   98.375343][ T2018] RDX: 0000000000000034 RSI: 00007f80940c01f0 RDI: 0000000000000023
[   98.375344][ T2018] RBP: 00007ffe4e333450 R08: 00007ffe4e3335d0 R09: 000000000000000c
[   98.375345][ T2018] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8095b0e190
[   98.375346][ T2018] R13: 00007ffe4e333558 R14: 00007f80975cd01a R15: 00007ffe4e333948
| [   99.897561][ T2056] softirqs last disabled at (0): 0x0
| [   99.897563][ T2056] Preemption disabled at:
| [   99.897564][ T2056] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.897573][ T2056] Tainted: [W]=WARN
[   99.897574][ T2056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.897576][ T2056] Call Trace:
[   99.897577][ T2056]  <TASK>
[   99.897578][ T2056]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.897584][ T2056]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.897586][ T2056]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.897589][ T2056]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.897592][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.897595][ T2056]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   99.897598][ T2056]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   99.897600][ T2056]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.897606][ T2056]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.897607][ T2056]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.897610][ T2056]  put_chars (drivers/char/virtio_console.c:1176)
[   99.897611][ T2056]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.897613][ T2056]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   99.897615][ T2056]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   99.897617][ T2056]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.897622][ T2056]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.897624][ T2056]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   99.897626][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.897627][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.897628][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.897630][ T2056]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.897633][ T2056]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.897635][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.897636][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.897637][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.897638][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.897640][ T2056]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   99.897642][ T2056]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.897644][ T2056]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.897647][ T2056]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.897649][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.897650][ T2056]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.897652][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.897653][ T2056]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.897654][ T2056]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   99.897656][ T2056]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   99.897657][ T2056]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.897660][ T2056]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.897661][ T2056]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.897663][ T2056]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.897665][ T2056]  _printk (kernel/printk/printk.c:2504)
[   99.897668][ T2056]  ? snapshot_read.cold (user.c:?)
[   99.897670][ T2056]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   99.897672][ T2056]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[   99.897676][ T2056]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   99.897677][ T2056]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[   99.897679][ T2056]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   99.897682][ T2056]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   99.897684][ T2056]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   99.897686][ T2056]  ? netdev_notice (net/core/dev.c:13194)
[   99.897688][ T2056]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[   99.897696][ T2056]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   99.897697][ T2056]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   99.897699][ T2056]  netif_set_promiscuity (net/core/dev.c:9699)
[   99.897702][ T2056]  dev_set_promiscuity (net/core/dev_api.c:288)
[   99.897703][ T2056]  ? dev_disable_lro (net/core/dev_api.c:267)
[   99.897705][ T2056] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[   99.897709][ T2056] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[   99.897715][ T2056]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.897717][ T2056] new_vport (net/openvswitch/datapath.c:203) openvswitch
[   99.897722][ T2056]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[   99.897725][ T2056] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[   99.897730][ T2056]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   99.897734][ T2056]  ? __nla_validate_parse (lib/nlattr.c:635)
[   99.897738][ T2056]  ? __nla_parse (lib/nlattr.c:732)
[   99.897740][ T2056]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[   99.897744][ T2056]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   99.897747][ T2056]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   99.897750][ T2056]  ? security_capable (security/security.c:660 (discriminator 11))
[   99.897753][ T2056]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   99.897755][ T2056]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   99.897757][ T2056]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[   99.897761][ T2056]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   99.897764][ T2056]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   99.897766][ T2056]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   99.897768][ T2056]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.897770][ T2056]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   99.897772][ T2056]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.897774][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.897776][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.897777][ T2056]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.897779][ T2056]  genl_rcv (net/netlink/genetlink.c:1218)
[   99.897781][ T2056]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.897783][ T2056]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.897785][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.897787][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.897788][ T2056]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.897790][ T2056]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.897792][ T2056]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.897794][ T2056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.897796][ T2056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.897797][ T2056]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   99.897800][ T2056]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[   99.897803][ T2056]  __sys_sendto (net/socket.c:2281)
[   99.897806][ T2056]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   99.897808][ T2056]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.897810][ T2056]  ? do_futex (kernel/futex/syscalls.c:138)
[   99.897812][ T2056]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[   99.897815][ T2056]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[   99.897817][ T2056]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   99.897819][ T2056]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   99.897822][ T2056]  ? 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))
[   99.897824][ T2056]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   99.897825][ T2056]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.897829][ T2056]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   99.897831][ T2056]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.897833][ T2056] RIP: 0033:0x7fe01919b312
[   99.897835][ T2056] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[   99.897838][ T2056] RSP: 002b:00007fff081c46d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[   99.897841][ T2056] RAX: ffffffffffffffda RBX: 00007fff081c4808 RCX: 00007fe01919b312
[   99.897843][ T2056] RDX: 0000000000000038 RSI: 00007fe014db4bb0 RDI: 0000000000000023
[   99.897844][ T2056] RBP: 00007fff081c4700 R08: 00007fff081c4880 R09: 000000000000000c
[   99.897845][ T2056] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe016ffe190
[   99.897846][ T2056] R13: 00007fff081c4808 R14: 00007fe018aba01a R15: 00007fff081c4bf8
| [  105.922382][ T2183] softirqs last disabled at (0): 0x0
| [  105.922384][ T2183] Preemption disabled at:
| [  105.922384][ T2183] vprintk_emit (kernel/printk/printk.c:2471)
| [  105.922394][ T2183] Tainted: [W]=WARN
[  105.922395][ T2183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.922396][ T2183] Call Trace:
[  105.922398][ T2183]  <TASK>
[  105.922399][ T2183]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  105.922404][ T2183]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  105.922406][ T2183]  __might_resched.cold (kernel/sched/core.c:9234)
[  105.922409][ T2183]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  105.922413][ T2183]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  105.922415][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922417][ T2183]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  105.922420][ T2183]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  105.922424][ T2183]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.922428][ T2183]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  105.922430][ T2183]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.922433][ T2183]  put_chars (drivers/char/virtio_console.c:1176)
[  105.922434][ T2183]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  105.922436][ T2183]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  105.922437][ T2183]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  105.922440][ T2183]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  105.922445][ T2183]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  105.922447][ T2183]  ? 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)
[  105.922448][ T2183]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  105.922452][ T2183]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  105.922453][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922455][ T2183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.922457][ T2183]  console_emit_next_record (kernel/printk/printk.c:3183)
[  105.922460][ T2183]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  105.922462][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922463][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922464][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922465][ T2183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.922467][ T2183]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  105.922469][ T2183]  console_flush_one_record (kernel/printk/printk.c:3268)
[  105.922471][ T2183]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  105.922474][ T2183]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  105.922476][ T2183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.922477][ T2183]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  105.922479][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922480][ T2183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.922481][ T2183]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  105.922483][ T2183]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  105.922484][ T2183]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  105.922486][ T2183]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  105.922487][ T2183]  vprintk_emit (kernel/printk/printk.c:2479)
[  105.922489][ T2183]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  105.922490][ T2183]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  105.922493][ T2183]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  105.922500][ T2183]  _printk (kernel/printk/printk.c:2504)
[  105.922503][ T2183]  ? snapshot_read.cold (user.c:?)
[  105.922505][ T2183]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  105.922508][ T2183]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  105.922510][ T2183]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  105.922512][ T2183]  ? netdev_notice (net/core/dev.c:13194)
[  105.922514][ T2183]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  105.922517][ T2183]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  105.922519][ T2183]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  105.922521][ T2183]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  105.922523][ T2183]  netif_set_promiscuity (net/core/dev.c:9699)
[  105.922526][ T2183]  dev_set_promiscuity (net/core/dev_api.c:288)
[  105.922527][ T2183]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  105.922531][ T2183] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  105.922537][ T2183] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  105.922541][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922542][ T2183]  notifier_call_chain (kernel/notifier.c:85)
[  105.922546][ T2183]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  105.922548][ T2183]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  105.922551][ T2183]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  105.922552][ T2183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.922554][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922555][ T2183]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  105.922557][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922563][ T2183]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  105.922565][ T2183]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.922567][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922575][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922577][ T2183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.922578][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922579][ T2183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.922581][ T2183]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  105.922583][ T2183]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  105.922585][ T2183]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  105.922587][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922588][ T2183]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  105.922591][ T2183]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  105.922594][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922595][ T2183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.922596][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922598][ T2183]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  105.922599][ T2183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  105.922601][ T2183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.922602][ T2183]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  105.922605][ T2183]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  105.922609][ T2183]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  105.922611][ T2183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.922613][ T2183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.922614][ T2183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.922616][ T2183]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  105.922619][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922620][ T2183]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.922622][ T2183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.922624][ T2183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.922626][ T2183]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.922628][ T2183]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.922630][ T2183]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  105.922632][ T2183]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  105.922633][ T2183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.922635][ T2183]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  105.922638][ T2183]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  105.922641][ T2183]  ____sys_sendmsg (net/socket.c:2713)
[  105.922643][ T2183]  ? copy_msghdr_from_user (net/socket.c:2650)
[  105.922644][ T2183]  ? sock_write_iter (net/socket.c:1269)
[  105.922646][ T2183]  ? move_addr_to_kernel (net/socket.c:258)
[  105.922647][ T2183]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  105.922650][ T2183]  ___sys_sendmsg (net/socket.c:2767)
[  105.922652][ T2183]  ? copy_msghdr_from_user (net/socket.c:2619)
[  105.922657][ T2183]  __sys_sendmsg (net/socket.c:2799)
[  105.922659][ T2183]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  105.922662][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.922663][ T2183]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.922666][ T2183]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  105.922668][ T2183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.922669][ T2183] RIP: 0033:0x7fab5dfa454e
[  105.922671][ T2183] 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
[  105.922673][ T2183] RSP: 002b:00007ffec259ad10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  105.922677][ T2183] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fab5dfa454e
[  105.922679][ T2183] RDX: 0000000000000000 RSI: 00007ffec259adc0 RDI: 0000000000000005
[  105.922679][ T2183] RBP: 00007ffec259ad20 R08: 0000000000000000 R09: 0000000000000000
[  105.922680][ T2183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b8a
[  105.922681][ T2183] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec259b480
| [  108.545631][ T2246] softirqs last disabled at (0): 0x0
| [  108.545632][ T2246] Preemption disabled at:
| [  108.545633][ T2246] vprintk_emit (kernel/printk/printk.c:2471)
| [  108.545643][ T2246] Tainted: [W]=WARN
[  108.545644][ T2246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.545645][ T2246] Call Trace:
[  108.545647][ T2246]  <TASK>
[  108.545648][ T2246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  108.545654][ T2246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  108.545655][ T2246]  __might_resched.cold (kernel/sched/core.c:9234)
[  108.545658][ T2246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  108.545662][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.545664][ T2246]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  108.545667][ T2246]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  108.545670][ T2246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  108.545675][ T2246]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  108.545677][ T2246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  108.545680][ T2246]  put_chars (drivers/char/virtio_console.c:1176)
[  108.545681][ T2246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  108.545683][ T2246]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  108.545685][ T2246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  108.545690][ T2246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  108.545692][ T2246]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  108.545694][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.545695][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.545697][ T2246]  console_emit_next_record (kernel/printk/printk.c:3183)
[  108.545700][ T2246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  108.545702][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.545703][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.545704][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.545705][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.545707][ T2246]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  108.545709][ T2246]  console_flush_one_record (kernel/printk/printk.c:3268)
[  108.545715][ T2246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  108.545718][ T2246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  108.545721][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.545722][ T2246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  108.545724][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.545726][ T2246]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  108.545727][ T2246]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  108.545729][ T2246]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  108.545731][ T2246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  108.545733][ T2246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  108.545734][ T2246]  vprintk_emit (kernel/printk/printk.c:2479)
[  108.545736][ T2246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  108.545738][ T2246]  ? 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)
[  108.545740][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.545741][ T2246]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  108.545745][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.545747][ T2246]  _printk (kernel/printk/printk.c:2504)
[  108.545750][ T2246]  ? snapshot_read.cold (user.c:?)
[  108.545752][ T2246]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  108.545755][ T2246]  ? idr_get_free (??:?)
[  108.545757][ T2246]  ? 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)
[  108.545760][ T2246]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  108.545767][ T2246]  ? nla_get_range_signed (lib/nlattr.c:270)
[  108.545771][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.545772][ T2246]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  108.545775][ T2246]  __nla_validate_parse (lib/nlattr.c:635)
[  108.545778][ T2246]  __nla_parse (lib/nlattr.c:732)
[  108.545780][ T2246]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  108.545782][ T2246]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  108.545784][ T2246]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  108.545786][ T2246]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  108.545790][ T2246]  ? security_capable (security/security.c:660 (discriminator 11))
[  108.545793][ T2246]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  108.545795][ T2246]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  108.545797][ T2246]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  108.545804][ T2246]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  108.545807][ T2246]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  108.545810][ T2246]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  108.545812][ T2246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  108.545813][ T2246]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  108.545816][ T2246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.545818][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.545820][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.545821][ T2246]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  108.545823][ T2246]  genl_rcv (net/netlink/genetlink.c:1218)
[  108.545825][ T2246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.545827][ T2246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.545829][ T2246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  108.545832][ T2246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  108.545833][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.545835][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.545837][ T2246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  108.545840][ T2246]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  108.545843][ T2246]  __sys_sendto (net/socket.c:2281)
[  108.545845][ T2246]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  108.545849][ T2246]  ? fput_close_sync (fs/file_table.c:617)
[  108.545852][ T2246]  ? alloc_file_clone (fs/file_table.c:479)
[  108.545854][ T2246]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  108.545856][ T2246]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  108.545857][ T2246]  ? 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))
[  108.545859][ T2246]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  108.545860][ T2246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  108.545863][ T2246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  108.545864][ T2246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.545866][ T2246] RIP: 0033:0x7f88d5d6e312
[  108.545868][ T2246] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  108.545870][ T2246] RSP: 002b:00007ffec3657b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  108.545873][ T2246] RAX: ffffffffffffffda RBX: 00007ffec3657c98 RCX: 00007f88d5d6e312
[  108.545875][ T2246] RDX: 0000000000000048 RSI: 00007f88d1942f10 RDI: 0000000000000020
[  108.545876][ T2246] RBP: 00007ffec3657b90 R08: 00007ffec3657d10 R09: 000000000000000c
[  108.545876][ T2246] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f88d3bce0b0
[  108.545877][ T2246] R13: 00007ffec3657c98 R14: 00007f88d568d01a R15: 00007ffec3658088
| [  110.419847][ T2332] softirqs last disabled at (0): 0x0
| [  110.419849][ T2332] Preemption disabled at:
| [  110.419849][ T2332] vprintk_emit (kernel/printk/printk.c:2471)
| [  110.419859][ T2332] Tainted: [W]=WARN
[  110.419860][ T2332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.419862][ T2332] Call Trace:
[  110.419863][ T2332]  <TASK>
[  110.419865][ T2332]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  110.419870][ T2332]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  110.419872][ T2332]  __might_resched.cold (kernel/sched/core.c:9234)
[  110.419876][ T2332]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  110.419879][ T2332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.419882][ T2332]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  110.419885][ T2332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.419888][ T2332]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.419893][ T2332]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  110.419895][ T2332]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.419897][ T2332]  put_chars (drivers/char/virtio_console.c:1176)
[  110.419899][ T2332]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  110.419900][ T2332]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  110.419903][ T2332]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  110.419905][ T2332]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  110.419910][ T2332]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  110.419912][ T2332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.419913][ T2332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.419914][ T2332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.419915][ T2332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.419918][ T2332]  console_emit_next_record (kernel/printk/printk.c:3183)
[  110.419921][ T2332]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  110.419923][ T2332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.419923][ T2332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.419924][ T2332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.419925][ T2332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.419927][ T2332]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  110.419929][ T2332]  console_flush_one_record (kernel/printk/printk.c:3268)
[  110.419931][ T2332]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  110.419934][ T2332]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  110.419936][ T2332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.419938][ T2332]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  110.419939][ T2332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.419940][ T2332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  110.419942][ T2332]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  110.419943][ T2332]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  110.419945][ T2332]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  110.419947][ T2332]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  110.419948][ T2332]  vprintk_emit (kernel/printk/printk.c:2479)
[  110.419950][ T2332]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  110.419952][ T2332]  _printk (kernel/printk/printk.c:2504)
[  110.419955][ T2332]  ? snapshot_read.cold (user.c:?)
[  110.419956][ T2332]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  110.419959][ T2332]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  110.419963][ T2332]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  110.419965][ T2332]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  110.419968][ T2332]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  110.419970][ T2332]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  110.419972][ T2332]  ? netdev_notice (net/core/dev.c:13194)
[  110.419974][ T2332]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  110.419982][ T2332]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.419983][ T2332]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  110.419986][ T2332]  netif_set_promiscuity (net/core/dev.c:9699)
[  110.419988][ T2332]  dev_set_promiscuity (net/core/dev_api.c:288)
[  110.419990][ T2332]  ? dev_disable_lro (net/core/dev_api.c:267)
[  110.419991][ T2332] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  110.419995][ T2332] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  110.419999][ T2332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  110.420001][ T2332] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  110.420005][ T2332]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  110.420008][ T2332] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  110.420012][ T2332]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  110.420015][ T2332]  ? __nla_validate_parse (lib/nlattr.c:635)
[  110.420020][ T2332]  ? __nla_parse (lib/nlattr.c:732)
[  110.420021][ T2332]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  110.420026][ T2332]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  110.420028][ T2332]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  110.420031][ T2332]  ? security_capable (security/security.c:660 (discriminator 11))
[  110.420034][ T2332]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  110.420037][ T2332]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  110.420039][ T2332]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  110.420042][ T2332]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  110.420045][ T2332]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  110.420047][ T2332]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  110.420049][ T2332]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  110.420051][ T2332]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  110.420053][ T2332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  110.420056][ T2332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.420057][ T2332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.420059][ T2332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  110.420060][ T2332]  genl_rcv (net/netlink/genetlink.c:1218)
[  110.420062][ T2332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  110.420064][ T2332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  110.420066][ T2332]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  110.420069][ T2332]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  110.420072][ T2332]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  110.420074][ T2332]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  110.420076][ T2332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.420077][ T2332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.420079][ T2332]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  110.420082][ T2332]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  110.420085][ T2332]  __sys_sendto (net/socket.c:2281)
[  110.420087][ T2332]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  110.420089][ T2332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  110.420091][ T2332]  ? do_futex (kernel/futex/syscalls.c:133)
[  110.420093][ T2332]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  110.420096][ T2332]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  110.420100][ T2332]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  110.420102][ T2332]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.420103][ T2332]  ? 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))
[  110.420105][ T2332]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  110.420106][ T2332]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  110.420109][ T2332]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  110.420111][ T2332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  110.420113][ T2332] RIP: 0033:0x7fe0d024e312
[  110.420115][ T2332] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  110.420117][ T2332] RSP: 002b:00007ffd782bd318 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  110.420121][ T2332] RAX: ffffffffffffffda RBX: 00007ffd782bd448 RCX: 00007fe0d024e312
[  110.420122][ T2332] RDX: 0000000000000030 RSI: 00007fe0cc645570 RDI: 0000000000000023
[  110.420123][ T2332] RBP: 00007ffd782bd340 R08: 00007ffd782bd4c0 R09: 000000000000000c
[  110.420124][ T2332] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0ce0ae270
[  110.420125][ T2332] R13: 00007ffd782bd448 R14: 00007fe0cfb6d01a R15: 00007ffd782bd838
| [  133.444676][ T2503] softirqs last disabled at (0): 0x0
| [  133.444678][ T2503] Preemption disabled at:
| [  133.444679][ T2503] vprintk_emit (kernel/printk/printk.c:2471)
| [  133.444689][ T2503] Tainted: [W]=WARN
[  133.444690][ T2503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  133.444692][ T2503] Call Trace:
[  133.444693][ T2503]  <TASK>
[  133.444694][ T2503]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  133.444700][ T2503]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  133.444701][ T2503]  __might_resched.cold (kernel/sched/core.c:9234)
[  133.444705][ T2503]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  133.444708][ T2503]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  133.444716][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444719][ T2503]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  133.444722][ T2503]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  133.444726][ T2503]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  133.444731][ T2503]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  133.444732][ T2503]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  133.444735][ T2503]  put_chars (drivers/char/virtio_console.c:1176)
[  133.444736][ T2503]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  133.444738][ T2503]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  133.444739][ T2503]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  133.444742][ T2503]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  133.444747][ T2503]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  133.444749][ T2503]  ? 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)
[  133.444750][ T2503]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  133.444753][ T2503]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  133.444755][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444756][ T2503]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  133.444759][ T2503]  console_emit_next_record (kernel/printk/printk.c:3183)
[  133.444761][ T2503]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  133.444764][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444765][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444766][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444767][ T2503]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  133.444769][ T2503]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  133.444770][ T2503]  console_flush_one_record (kernel/printk/printk.c:3268)
[  133.444773][ T2503]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  133.444776][ T2503]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  133.444777][ T2503]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  133.444779][ T2503]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  133.444780][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444781][ T2503]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  133.444783][ T2503]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  133.444784][ T2503]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  133.444786][ T2503]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  133.444788][ T2503]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  133.444789][ T2503]  vprintk_emit (kernel/printk/printk.c:2479)
[  133.444791][ T2503]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  133.444792][ T2503]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  133.444795][ T2503]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  133.444802][ T2503]  _printk (kernel/printk/printk.c:2504)
[  133.444805][ T2503]  ? snapshot_read.cold (user.c:?)
[  133.444807][ T2503]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  133.444810][ T2503]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  133.444812][ T2503]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  133.444814][ T2503]  ? netdev_notice (net/core/dev.c:13194)
[  133.444816][ T2503]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  133.444819][ T2503]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  133.444821][ T2503]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  133.444823][ T2503]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  133.444825][ T2503]  netif_set_promiscuity (net/core/dev.c:9699)
[  133.444828][ T2503]  dev_set_promiscuity (net/core/dev_api.c:288)
[  133.444829][ T2503]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  133.444833][ T2503] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  133.444839][ T2503] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  133.444843][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444844][ T2503]  notifier_call_chain (kernel/notifier.c:85)
[  133.444848][ T2503]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  133.444850][ T2503]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  133.444853][ T2503]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  133.444854][ T2503]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  133.444856][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444857][ T2503]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  133.444859][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444864][ T2503]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  133.444867][ T2503]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  133.444869][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444870][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444871][ T2503]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  133.444872][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444873][ T2503]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  133.444875][ T2503]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  133.444878][ T2503]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  133.444879][ T2503]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  133.444881][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444882][ T2503]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  133.444885][ T2503]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  133.444888][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444889][ T2503]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  133.444890][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444892][ T2503]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  133.444893][ T2503]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  133.444895][ T2503]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  133.444896][ T2503]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  133.444899][ T2503]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  133.444903][ T2503]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  133.444906][ T2503]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  133.444907][ T2503]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  133.444909][ T2503]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  133.444910][ T2503]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  133.444913][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444914][ T2503]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  133.444916][ T2503]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  133.444918][ T2503]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  133.444920][ T2503]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  133.444922][ T2503]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  133.444924][ T2503]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  133.444925][ T2503]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  133.444927][ T2503]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  133.444929][ T2503]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  133.444932][ T2503]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  133.444935][ T2503]  ____sys_sendmsg (net/socket.c:2713)
[  133.444937][ T2503]  ? copy_msghdr_from_user (net/socket.c:2650)
[  133.444938][ T2503]  ? sock_write_iter (net/socket.c:1269)
[  133.444940][ T2503]  ? move_addr_to_kernel (net/socket.c:258)
[  133.444941][ T2503]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  133.444944][ T2503]  ___sys_sendmsg (net/socket.c:2767)
[  133.444946][ T2503]  ? copy_msghdr_from_user (net/socket.c:2619)
[  133.444950][ T2503]  __sys_sendmsg (net/socket.c:2799)
[  133.444952][ T2503]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  133.444955][ T2503]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  133.444957][ T2503]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  133.444959][ T2503]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  133.444961][ T2503]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  133.444962][ T2503] RIP: 0033:0x7ff6e5c8154e
[  133.444964][ T2503] 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
[  133.444967][ T2503] RSP: 002b:00007ffd8d81f170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  133.444970][ T2503] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff6e5c8154e
[  133.444972][ T2503] RDX: 0000000000000000 RSI: 00007ffd8d81f220 RDI: 0000000000000005
[  133.444972][ T2503] RBP: 00007ffd8d81f180 R08: 0000000000000000 R09: 0000000000000000
[  133.444973][ T2503] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ba5
[  133.444974][ T2503] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8d81f8e0
| [  135.955818][ T2560] softirqs last disabled at (0): 0x0
| [  135.955819][ T2560] Preemption disabled at:
| [  135.955820][ T2560] vprintk_emit (kernel/printk/printk.c:2471)
| [  135.955831][ T2560] Tainted: [W]=WARN
[  135.955832][ T2560] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  135.955834][ T2560] Call Trace:
[  135.955836][ T2560]  <TASK>
[  135.955837][ T2560]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  135.955843][ T2560]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  135.955845][ T2560]  __might_resched.cold (kernel/sched/core.c:9234)
[  135.955849][ T2560]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  135.955852][ T2560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.955856][ T2560]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  135.955858][ T2560]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  135.955862][ T2560]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  135.955867][ T2560]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  135.955869][ T2560]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  135.955872][ T2560]  put_chars (drivers/char/virtio_console.c:1176)
[  135.955873][ T2560]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  135.955875][ T2560]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  135.955878][ T2560]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  135.955883][ T2560]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  135.955885][ T2560]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  135.955887][ T2560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.955888][ T2560]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.955890][ T2560]  console_emit_next_record (kernel/printk/printk.c:3183)
[  135.955893][ T2560]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  135.955895][ T2560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.955896][ T2560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.955897][ T2560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.955898][ T2560]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.955900][ T2560]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  135.955902][ T2560]  console_flush_one_record (kernel/printk/printk.c:3268)
[  135.955904][ T2560]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  135.955907][ T2560]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  135.955909][ T2560]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.955911][ T2560]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  135.955913][ T2560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.955914][ T2560]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  135.955915][ T2560]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  135.955917][ T2560]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  135.955918][ T2560]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  135.955920][ T2560]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  135.955922][ T2560]  vprintk_emit (kernel/printk/printk.c:2479)
[  135.955923][ T2560]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  135.955924][ T2560]  ? 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)
[  135.955926][ T2560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.955927][ T2560]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  135.955931][ T2560]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.955933][ T2560]  _printk (kernel/printk/printk.c:2504)
[  135.955936][ T2560]  ? snapshot_read.cold (user.c:?)
[  135.955938][ T2560]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  135.955942][ T2560]  ? idr_get_free (??:?)
[  135.955944][ T2560]  ? 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)
[  135.955948][ T2560]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  135.955955][ T2560]  ? nla_get_range_signed (lib/nlattr.c:270)
[  135.955959][ T2560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.955960][ T2560]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  135.955963][ T2560]  __nla_validate_parse (lib/nlattr.c:635)
[  135.955966][ T2560]  __nla_parse (lib/nlattr.c:732)
[  135.955968][ T2560]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  135.955971][ T2560]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  135.955973][ T2560]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  135.955975][ T2560]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  135.955979][ T2560]  ? security_capable (security/security.c:660 (discriminator 11))
[  135.955982][ T2560]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  135.955984][ T2560]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  135.955987][ T2560]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  135.955994][ T2560]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  135.955997][ T2560]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  135.955999][ T2560]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  135.956001][ T2560]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  135.956003][ T2560]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  135.956005][ T2560]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  135.956008][ T2560]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.956010][ T2560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.956011][ T2560]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  135.956013][ T2560]  genl_rcv (net/netlink/genetlink.c:1218)
[  135.956015][ T2560]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  135.956017][ T2560]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  135.956019][ T2560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.956020][ T2560]  ? 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)
[  135.956023][ T2560]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  135.956025][ T2560]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  135.956027][ T2560]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.956029][ T2560]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.956031][ T2560]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  135.956034][ T2560]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  135.956037][ T2560]  __sys_sendto (net/socket.c:2281)
[  135.956039][ T2560]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  135.956042][ T2560]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  135.956046][ T2560]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  135.956048][ T2560]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  135.956050][ T2560]  ? 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))
[  135.956052][ T2560]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  135.956053][ T2560]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  135.956056][ T2560]  ? irq_exit_rcu (kernel/softirq.c:786)
[  135.956059][ T2560]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  135.956061][ T2560] RIP: 0033:0x7f5a34f14312
[  135.956063][ T2560] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  135.956065][ T2560] RSP: 002b:00007ffcce32f098 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  135.956068][ T2560] RAX: ffffffffffffffda RBX: 00007ffcce32f1c8 RCX: 00007f5a34f14312
[  135.956070][ T2560] RDX: 0000000000000044 RSI: 00007f5a30af2ec0 RDI: 0000000000000020
[  135.956071][ T2560] RBP: 00007ffcce32f0c0 R08: 00007ffcce32f240 R09: 000000000000000c
[  135.956072][ T2560] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5a32d7e120
[  135.956073][ T2560] R13: 00007ffcce32f1c8 R14: 00007f5a3483301a R15: 00007ffcce32f5b8
| [  136.960700][ T2611] softirqs last disabled at (0): 0x0
| [  136.960702][ T2611] Preemption disabled at:
| [  136.960703][ T2611] vprintk_emit (kernel/printk/printk.c:2471)
| [  136.960717][ T2611] Tainted: [W]=WARN
[  136.960719][ T2611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  136.960720][ T2611] Call Trace:
[  136.960722][ T2611]  <TASK>
[  136.960723][ T2611]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  136.960735][ T2611]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  136.960736][ T2611]  __might_resched.cold (kernel/sched/core.c:9234)
[  136.960740][ T2611]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  136.960744][ T2611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.960747][ T2611]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  136.960750][ T2611]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  136.960753][ T2611]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  136.960758][ T2611]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  136.960760][ T2611]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  136.960762][ T2611]  put_chars (drivers/char/virtio_console.c:1176)
[  136.960764][ T2611]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  136.960766][ T2611]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  136.960768][ T2611]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  136.960770][ T2611]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  136.960775][ T2611]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  136.960777][ T2611]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  136.960779][ T2611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.960780][ T2611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.960781][ T2611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  136.960783][ T2611]  console_emit_next_record (kernel/printk/printk.c:3183)
[  136.960786][ T2611]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  136.960788][ T2611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.960789][ T2611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.960790][ T2611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.960791][ T2611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  136.960793][ T2611]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  136.960795][ T2611]  console_flush_one_record (kernel/printk/printk.c:3268)
[  136.960798][ T2611]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  136.960800][ T2611]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  136.960802][ T2611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  136.960804][ T2611]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  136.960806][ T2611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.960807][ T2611]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  136.960808][ T2611]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  136.960810][ T2611]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  136.960811][ T2611]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  136.960813][ T2611]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  136.960815][ T2611]  vprintk_emit (kernel/printk/printk.c:2479)
[  136.960816][ T2611]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  136.960819][ T2611]  _printk (kernel/printk/printk.c:2504)
[  136.960822][ T2611]  ? snapshot_read.cold (user.c:?)
[  136.960824][ T2611]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  136.960826][ T2611]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  136.960831][ T2611]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  136.960832][ T2611]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  136.960835][ T2611]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  136.960838][ T2611]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  136.960840][ T2611]  ? netdev_notice (net/core/dev.c:13194)
[  136.960841][ T2611]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  136.960850][ T2611]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  136.960851][ T2611]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  136.960853][ T2611]  netif_set_promiscuity (net/core/dev.c:9699)
[  136.960856][ T2611]  dev_set_promiscuity (net/core/dev_api.c:288)
[  136.960858][ T2611]  ? dev_disable_lro (net/core/dev_api.c:267)
[  136.960860][ T2611] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  136.960864][ T2611] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  136.960867][ T2611]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  136.960869][ T2611] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  136.960874][ T2611]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  136.960878][ T2611] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  136.960882][ T2611]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  136.960885][ T2611]  ? __nla_validate_parse (lib/nlattr.c:635)
[  136.960890][ T2611]  ? __nla_parse (lib/nlattr.c:732)
[  136.960891][ T2611]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  136.960896][ T2611]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  136.960898][ T2611]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  136.960901][ T2611]  ? security_capable (security/security.c:660 (discriminator 11))
[  136.960905][ T2611]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  136.960907][ T2611]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  136.960909][ T2611]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  136.960913][ T2611]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  136.960916][ T2611]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  136.960918][ T2611]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  136.960920][ T2611]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  136.960922][ T2611]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  136.960924][ T2611]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  136.960927][ T2611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  136.960929][ T2611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.960930][ T2611]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  136.960932][ T2611]  genl_rcv (net/netlink/genetlink.c:1218)
[  136.960933][ T2611]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  136.960936][ T2611]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  136.960938][ T2611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.960939][ T2611]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  136.960941][ T2611]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  136.960943][ T2611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  136.960945][ T2611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.960947][ T2611]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  136.960949][ T2611]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  136.960953][ T2611]  __sys_sendto (net/socket.c:2281)
[  136.960955][ T2611]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  136.960959][ T2611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.960960][ T2611]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  136.960962][ T2611]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  136.960964][ T2611]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  136.960966][ T2611]  ? 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))
[  136.960968][ T2611]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  136.960969][ T2611]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  136.960973][ T2611]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  136.960975][ T2611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  136.960977][ T2611] RIP: 0033:0x7f3e1c801312
[  136.960979][ T2611] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  136.960981][ T2611] RSP: 002b:00007fff8dec5de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  136.960984][ T2611] RAX: ffffffffffffffda RBX: 00007fff8dec5f18 RCX: 00007f3e1c801312
[  136.960985][ T2611] RDX: 0000000000000034 RSI: 00007f3e18420430 RDI: 0000000000000023
[  136.960986][ T2611] RBP: 00007fff8dec5e10 R08: 00007fff8dec5f90 R09: 000000000000000c
[  136.960987][ T2611] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e1a65a200
[  136.960988][ T2611] R13: 00007fff8dec5f18 R14: 00007f3e1c12001a R15: 00007fff8dec6308
| [  138.186662][ T2652] softirqs last disabled at (0): 0x0
| [  138.186665][ T2652] Preemption disabled at:
| [  138.186666][ T2652] vprintk_emit (kernel/printk/printk.c:2471)
| [  138.186679][ T2652] Tainted: [W]=WARN
[  138.186681][ T2652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  138.186683][ T2652] Call Trace:
[  138.186685][ T2652]  <TASK>
[  138.186687][ T2652]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  138.186694][ T2652]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  138.186696][ T2652]  __might_resched.cold (kernel/sched/core.c:9234)
[  138.186701][ T2652]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  138.186705][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.186709][ T2652]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  138.186716][ T2652]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  138.186720][ T2652]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  138.186726][ T2652]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  138.186729][ T2652]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  138.186733][ T2652]  put_chars (drivers/char/virtio_console.c:1176)
[  138.186742][ T2652]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  138.186745][ T2652]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  138.186748][ T2652]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  138.186752][ T2652]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  138.186758][ T2652]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  138.186761][ T2652]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  138.186764][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.186766][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.186768][ T2652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.186772][ T2652]  console_emit_next_record (kernel/printk/printk.c:3183)
[  138.186776][ T2652]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  138.186779][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.186781][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.186782][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.186785][ T2652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.186788][ T2652]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  138.186790][ T2652]  console_flush_one_record (kernel/printk/printk.c:3268)
[  138.186794][ T2652]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  138.186799][ T2652]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  138.186802][ T2652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.186805][ T2652]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  138.186807][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.186809][ T2652]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  138.186812][ T2652]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  138.186814][ T2652]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  138.186817][ T2652]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  138.186820][ T2652]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  138.186822][ T2652]  vprintk_emit (kernel/printk/printk.c:2479)
[  138.186825][ T2652]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  138.186829][ T2652]  _printk (kernel/printk/printk.c:2504)
[  138.186833][ T2652]  ? snapshot_read.cold (user.c:?)
[  138.186836][ T2652]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  138.186839][ T2652]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  138.186844][ T2652]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  138.186847][ T2652]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  138.186852][ T2652]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  138.186855][ T2652]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  138.186858][ T2652]  ? netdev_notice (net/core/dev.c:13194)
[  138.186861][ T2652]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  138.186873][ T2652]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  138.186876][ T2652]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  138.186879][ T2652]  netif_set_promiscuity (net/core/dev.c:9699)
[  138.186884][ T2652]  dev_set_promiscuity (net/core/dev_api.c:288)
[  138.186886][ T2652]  ? dev_disable_lro (net/core/dev_api.c:267)
[  138.186889][ T2652] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  138.186896][ T2652] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  138.186902][ T2652]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  138.186905][ T2652] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  138.186912][ T2652]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  138.186918][ T2652] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  138.186926][ T2652]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  138.186931][ T2652]  ? __nla_validate_parse (lib/nlattr.c:635)
[  138.186937][ T2652]  ? __nla_parse (lib/nlattr.c:732)
[  138.186940][ T2652]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  138.186946][ T2652]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  138.186949][ T2652]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  138.186955][ T2652]  ? security_capable (security/security.c:660 (discriminator 11))
[  138.186959][ T2652]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  138.186963][ T2652]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  138.186966][ T2652]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  138.186972][ T2652]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  138.186976][ T2652]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  138.186980][ T2652]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  138.186983][ T2652]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  138.186986][ T2652]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  138.186989][ T2652]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  138.186994][ T2652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.186996][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.186998][ T2652]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  138.187001][ T2652]  genl_rcv (net/netlink/genetlink.c:1218)
[  138.187004][ T2652]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  138.187008][ T2652]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  138.187011][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.187014][ T2652]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  138.187017][ T2652]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  138.187020][ T2652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.187024][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.187027][ T2652]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  138.187030][ T2652]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  138.187034][ T2652]  __sys_sendto (net/socket.c:2281)
[  138.187038][ T2652]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  138.187044][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.187046][ T2652]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  138.187050][ T2652]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  138.187053][ T2652]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  138.187056][ T2652]  ? 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))
[  138.187059][ T2652]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  138.187061][ T2652]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  138.187065][ T2652]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  138.187069][ T2652]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  138.187072][ T2652] RIP: 0033:0x7fbd46f0d312
[  138.187075][ T2652] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  138.187078][ T2652] RSP: 002b:00007ffd87b08398 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  138.187082][ T2652] RAX: ffffffffffffffda RBX: 00007ffd87b084c8 RCX: 00007fbd46f0d312
[  138.187084][ T2652] RDX: 0000000000000034 RSI: 00007fbd4432b270 RDI: 0000000000000023
[  138.187086][ T2652] RBP: 00007ffd87b083c0 R08: 00007ffd87b08540 R09: 000000000000000c
[  138.187087][ T2652] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd44d662e0
[  138.187089][ T2652] R13: 00007ffd87b084c8 R14: 00007fbd4682c01a R15: 00007ffd87b088b8
| [  151.707313][ T2836] softirqs last disabled at (0): 0x0
| [  151.707315][ T2836] Preemption disabled at:
| [  151.707315][ T2836] vprintk_emit (kernel/printk/printk.c:2471)
| [  151.707325][ T2836] Tainted: [W]=WARN
[  151.707326][ T2836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  151.707328][ T2836] Call Trace:
[  151.707330][ T2836]  <TASK>
[  151.707331][ T2836]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  151.707336][ T2836]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  151.707338][ T2836]  __might_resched.cold (kernel/sched/core.c:9234)
[  151.707342][ T2836]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  151.707345][ T2836]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  151.707348][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707350][ T2836]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  151.707353][ T2836]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.707356][ T2836]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.707361][ T2836]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  151.707363][ T2836]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.707366][ T2836]  put_chars (drivers/char/virtio_console.c:1176)
[  151.707367][ T2836]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  151.707369][ T2836]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  151.707370][ T2836]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  151.707373][ T2836]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  151.707378][ T2836]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  151.707380][ T2836]  ? 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)
[  151.707382][ T2836]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  151.707385][ T2836]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.707387][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707388][ T2836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.707390][ T2836]  console_emit_next_record (kernel/printk/printk.c:3183)
[  151.707393][ T2836]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  151.707395][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707396][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707397][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707398][ T2836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.707400][ T2836]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  151.707402][ T2836]  console_flush_one_record (kernel/printk/printk.c:3268)
[  151.707404][ T2836]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  151.707407][ T2836]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  151.707409][ T2836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.707411][ T2836]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  151.707412][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707413][ T2836]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.707415][ T2836]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  151.707416][ T2836]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  151.707418][ T2836]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  151.707420][ T2836]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  151.707421][ T2836]  vprintk_emit (kernel/printk/printk.c:2479)
[  151.707423][ T2836]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  151.707424][ T2836]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  151.707428][ T2836]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  151.707434][ T2836]  _printk (kernel/printk/printk.c:2504)
[  151.707438][ T2836]  ? snapshot_read.cold (user.c:?)
[  151.707440][ T2836]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  151.707443][ T2836]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  151.707445][ T2836]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  151.707448][ T2836]  ? netdev_notice (net/core/dev.c:13194)
[  151.707449][ T2836]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  151.707452][ T2836]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  151.707455][ T2836]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  151.707457][ T2836]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  151.707459][ T2836]  netif_set_promiscuity (net/core/dev.c:9699)
[  151.707461][ T2836]  dev_set_promiscuity (net/core/dev_api.c:288)
[  151.707463][ T2836]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  151.707467][ T2836] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  151.707473][ T2836] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  151.707477][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707479][ T2836]  notifier_call_chain (kernel/notifier.c:85)
[  151.707482][ T2836]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  151.707484][ T2836]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  151.707487][ T2836]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  151.707489][ T2836]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.707491][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707492][ T2836]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  151.707493][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707499][ T2836]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  151.707501][ T2836]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.707503][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707504][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707505][ T2836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.707507][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707508][ T2836]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.707510][ T2836]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  151.707512][ T2836]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  151.707514][ T2836]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  151.707516][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707517][ T2836]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  151.707521][ T2836]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  151.707523][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707524][ T2836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.707525][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707526][ T2836]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  151.707528][ T2836]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  151.707530][ T2836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  151.707531][ T2836]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  151.707534][ T2836]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  151.707538][ T2836]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  151.707541][ T2836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  151.707542][ T2836]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.707544][ T2836]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  151.707545][ T2836]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  151.707548][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707549][ T2836]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.707552][ T2836]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  151.707554][ T2836]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  151.707556][ T2836]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.707558][ T2836]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  151.707560][ T2836]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  151.707561][ T2836]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  151.707563][ T2836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.707565][ T2836]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  151.707568][ T2836]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  151.707571][ T2836]  ____sys_sendmsg (net/socket.c:2713)
[  151.707572][ T2836]  ? copy_msghdr_from_user (net/socket.c:2650)
[  151.707574][ T2836]  ? sock_write_iter (net/socket.c:1269)
[  151.707576][ T2836]  ? move_addr_to_kernel (net/socket.c:258)
[  151.707577][ T2836]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  151.707580][ T2836]  ___sys_sendmsg (net/socket.c:2767)
[  151.707582][ T2836]  ? copy_msghdr_from_user (net/socket.c:2619)
[  151.707587][ T2836]  __sys_sendmsg (net/socket.c:2799)
[  151.707589][ T2836]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  151.707592][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.707593][ T2836]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  151.707596][ T2836]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  151.707598][ T2836]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.707599][ T2836] RIP: 0033:0x7f139c71154e
[  151.707601][ T2836] 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
[  151.707603][ T2836] RSP: 002b:00007ffe9cc45700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  151.707607][ T2836] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f139c71154e
[  151.707608][ T2836] RDX: 0000000000000000 RSI: 00007ffe9cc457b0 RDI: 0000000000000005
[  151.707609][ T2836] RBP: 00007ffe9cc45710 R08: 0000000000000000 R09: 0000000000000000
[  151.707610][ T2836] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912bb8
[  151.707611][ T2836] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9cc45e70
| [  154.061378][ T2893] softirqs last disabled at (0): 0x0
| [  154.061379][ T2893] Preemption disabled at:
| [  154.061380][ T2893] vprintk_emit (kernel/printk/printk.c:2471)
| [  154.061390][ T2893] Tainted: [W]=WARN
[  154.061391][ T2893] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  154.061393][ T2893] Call Trace:
[  154.061395][ T2893]  <TASK>
[  154.061396][ T2893]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  154.061402][ T2893]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  154.061404][ T2893]  __might_resched.cold (kernel/sched/core.c:9234)
[  154.061407][ T2893]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  154.061411][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.061414][ T2893]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  154.061417][ T2893]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  154.061420][ T2893]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  154.061425][ T2893]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  154.061427][ T2893]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  154.061430][ T2893]  put_chars (drivers/char/virtio_console.c:1176)
[  154.061431][ T2893]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  154.061433][ T2893]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  154.061436][ T2893]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  154.061440][ T2893]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  154.061443][ T2893]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  154.061444][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.061445][ T2893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.061448][ T2893]  console_emit_next_record (kernel/printk/printk.c:3183)
[  154.061451][ T2893]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  154.061453][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.061454][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.061455][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.061456][ T2893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.061458][ T2893]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  154.061459][ T2893]  console_flush_one_record (kernel/printk/printk.c:3268)
[  154.061462][ T2893]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  154.061464][ T2893]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  154.061466][ T2893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.061468][ T2893]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  154.061470][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.061471][ T2893]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  154.061472][ T2893]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  154.061474][ T2893]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  154.061475][ T2893]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  154.061477][ T2893]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  154.061479][ T2893]  vprintk_emit (kernel/printk/printk.c:2479)
[  154.061480][ T2893]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  154.061481][ T2893]  ? 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)
[  154.061483][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.061484][ T2893]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  154.061488][ T2893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.061490][ T2893]  _printk (kernel/printk/printk.c:2504)
[  154.061493][ T2893]  ? snapshot_read.cold (user.c:?)
[  154.061495][ T2893]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  154.061499][ T2893]  ? idr_get_free (??:?)
[  154.061501][ T2893]  ? 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)
[  154.061504][ T2893]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  154.061510][ T2893]  ? nla_get_range_signed (lib/nlattr.c:270)
[  154.061514][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.061516][ T2893]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  154.061518][ T2893]  __nla_validate_parse (lib/nlattr.c:635)
[  154.061522][ T2893]  __nla_parse (lib/nlattr.c:732)
[  154.061524][ T2893]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  154.061526][ T2893]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  154.061528][ T2893]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  154.061531][ T2893]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  154.061534][ T2893]  ? security_capable (security/security.c:660 (discriminator 11))
[  154.061537][ T2893]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  154.061539][ T2893]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  154.061542][ T2893]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  154.061548][ T2893]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  154.061551][ T2893]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  154.061553][ T2893]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  154.061555][ T2893]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  154.061557][ T2893]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  154.061559][ T2893]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  154.061562][ T2893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.061563][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.061565][ T2893]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  154.061567][ T2893]  genl_rcv (net/netlink/genetlink.c:1218)
[  154.061568][ T2893]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  154.061571][ T2893]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  154.061573][ T2893]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  154.061576][ T2893]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  154.061578][ T2893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.061580][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.061581][ T2893]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  154.061584][ T2893]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  154.061587][ T2893]  __sys_sendto (net/socket.c:2281)
[  154.061590][ T2893]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  154.061594][ T2893]  ? fput_close_sync (fs/file_table.c:617)
[  154.061597][ T2893]  ? alloc_file_clone (fs/file_table.c:479)
[  154.061599][ T2893]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  154.061600][ T2893]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  154.061602][ T2893]  ? 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))
[  154.061603][ T2893]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  154.061605][ T2893]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  154.061608][ T2893]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  154.061609][ T2893]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  154.061612][ T2893] RIP: 0033:0x7f0a5346c312
[  154.061613][ T2893] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  154.061615][ T2893] RSP: 002b:00007ffcdfa42eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  154.061619][ T2893] RAX: ffffffffffffffda RBX: 00007ffcdfa42fe8 RCX: 00007f0a5346c312
[  154.061620][ T2893] RDX: 0000000000000044 RSI: 00007f0a4af6ae20 RDI: 0000000000000020
[  154.061621][ T2893] RBP: 00007ffcdfa42ee0 R08: 00007ffcdfa43060 R09: 000000000000000c
[  154.061622][ T2893] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0a512d6120
[  154.061623][ T2893] R13: 00007ffcdfa42fe8 R14: 00007f0a52d8b01a R15: 00007ffcdfa433d8
| [  155.918768][ T2979] softirqs last disabled at (0): 0x0
| [  155.918770][ T2979] Preemption disabled at:
| [  155.918771][ T2979] vprintk_emit (kernel/printk/printk.c:2471)
| [  155.918781][ T2979] Tainted: [W]=WARN
[  155.918782][ T2979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  155.918783][ T2979] Call Trace:
[  155.918785][ T2979]  <TASK>
[  155.918786][ T2979]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  155.918792][ T2979]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  155.918793][ T2979]  __might_resched.cold (kernel/sched/core.c:9234)
[  155.918797][ T2979]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  155.918800][ T2979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.918802][ T2979]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  155.918805][ T2979]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  155.918808][ T2979]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  155.918814][ T2979]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  155.918815][ T2979]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  155.918818][ T2979]  put_chars (drivers/char/virtio_console.c:1176)
[  155.918820][ T2979]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  155.918821][ T2979]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  155.918824][ T2979]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  155.918832][ T2979]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  155.918836][ T2979]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  155.918838][ T2979]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  155.918840][ T2979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.918841][ T2979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.918843][ T2979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.918845][ T2979]  console_emit_next_record (kernel/printk/printk.c:3183)
[  155.918848][ T2979]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  155.918850][ T2979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.918851][ T2979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.918852][ T2979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.918853][ T2979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.918855][ T2979]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  155.918857][ T2979]  console_flush_one_record (kernel/printk/printk.c:3268)
[  155.918859][ T2979]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  155.918862][ T2979]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  155.918864][ T2979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.918866][ T2979]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  155.918867][ T2979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.918868][ T2979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  155.918870][ T2979]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  155.918871][ T2979]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  155.918873][ T2979]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  155.918875][ T2979]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  155.918876][ T2979]  vprintk_emit (kernel/printk/printk.c:2479)
[  155.918878][ T2979]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  155.918880][ T2979]  _printk (kernel/printk/printk.c:2504)
[  155.918883][ T2979]  ? snapshot_read.cold (user.c:?)
[  155.918885][ T2979]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  155.918888][ T2979]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  155.918892][ T2979]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  155.918893][ T2979]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  155.918896][ T2979]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  155.918899][ T2979]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  155.918901][ T2979]  ? netdev_notice (net/core/dev.c:13194)
[  155.918902][ T2979]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  155.918910][ T2979]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  155.918912][ T2979]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  155.918914][ T2979]  netif_set_promiscuity (net/core/dev.c:9699)
[  155.918917][ T2979]  dev_set_promiscuity (net/core/dev_api.c:288)
[  155.918919][ T2979]  ? dev_disable_lro (net/core/dev_api.c:267)
[  155.918920][ T2979] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  155.918924][ T2979] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  155.918928][ T2979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  155.918930][ T2979] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  155.918934][ T2979]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  155.918938][ T2979] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  155.918942][ T2979]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  155.918945][ T2979]  ? __nla_validate_parse (lib/nlattr.c:635)
[  155.918950][ T2979]  ? __nla_parse (lib/nlattr.c:732)
[  155.918951][ T2979]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  155.918956][ T2979]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  155.918958][ T2979]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  155.918961][ T2979]  ? security_capable (security/security.c:660 (discriminator 11))
[  155.918964][ T2979]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  155.918967][ T2979]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  155.918969][ T2979]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  155.918972][ T2979]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  155.918975][ T2979]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  155.918978][ T2979]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  155.918980][ T2979]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  155.918982][ T2979]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  155.918984][ T2979]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  155.918987][ T2979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.918988][ T2979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.918989][ T2979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  155.918991][ T2979]  genl_rcv (net/netlink/genetlink.c:1218)
[  155.918993][ T2979]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  155.918996][ T2979]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  155.918997][ T2979]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  155.919000][ T2979]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  155.919003][ T2979]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  155.919005][ T2979]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  155.919007][ T2979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.919009][ T2979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.919010][ T2979]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  155.919013][ T2979]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  155.919016][ T2979]  __sys_sendto (net/socket.c:2281)
[  155.919018][ T2979]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  155.919020][ T2979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  155.919022][ T2979]  ? do_futex (kernel/futex/syscalls.c:133)
[  155.919025][ T2979]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  155.919027][ T2979]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  155.919031][ T2979]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  155.919033][ T2979]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  155.919034][ T2979]  ? 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))
[  155.919036][ T2979]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  155.919037][ T2979]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  155.919041][ T2979]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  155.919043][ T2979]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  155.919045][ T2979] RIP: 0033:0x7fa1f8072312
[  155.919047][ T2979] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  155.919048][ T2979] RSP: 002b:00007fff0528dfa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  155.919052][ T2979] RAX: ffffffffffffffda RBX: 00007fff0528e0d8 RCX: 00007fa1f8072312
[  155.919054][ T2979] RDX: 0000000000000030 RSI: 00007fa1f44a3a30 RDI: 0000000000000023
[  155.919054][ T2979] RBP: 00007fff0528dfd0 R08: 00007fff0528e150 R09: 000000000000000c
[  155.919055][ T2979] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa1f5ed22e0
[  155.919056][ T2979] R13: 00007fff0528e0d8 R14: 00007fa1f799101a R15: 00007fff0528e4c8
| [  161.658249][ T3102] softirqs last disabled at (0): 0x0
| [  161.658251][ T3102] Preemption disabled at:
| [  161.658252][ T3102] vprintk_emit (kernel/printk/printk.c:2471)
| [  161.658262][ T3102] Tainted: [W]=WARN
[  161.658263][ T3102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  161.658265][ T3102] Call Trace:
[  161.658266][ T3102]  <TASK>
[  161.658267][ T3102]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  161.658273][ T3102]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  161.658274][ T3102]  __might_resched.cold (kernel/sched/core.c:9234)
[  161.658279][ T3102]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  161.658282][ T3102]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  161.658284][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658287][ T3102]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  161.658289][ T3102]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  161.658293][ T3102]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.658297][ T3102]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  161.658299][ T3102]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.658302][ T3102]  put_chars (drivers/char/virtio_console.c:1176)
[  161.658303][ T3102]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  161.658305][ T3102]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  161.658306][ T3102]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  161.658309][ T3102]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  161.658314][ T3102]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  161.658316][ T3102]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  161.658318][ T3102]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  161.658321][ T3102]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  161.658322][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658324][ T3102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.658326][ T3102]  console_emit_next_record (kernel/printk/printk.c:3183)
[  161.658329][ T3102]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  161.658331][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658332][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658333][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658334][ T3102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.658336][ T3102]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  161.658338][ T3102]  console_flush_one_record (kernel/printk/printk.c:3268)
[  161.658340][ T3102]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  161.658343][ T3102]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  161.658345][ T3102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.658347][ T3102]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  161.658349][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658350][ T3102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.658351][ T3102]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  161.658353][ T3102]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  161.658354][ T3102]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  161.658356][ T3102]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  161.658358][ T3102]  vprintk_emit (kernel/printk/printk.c:2479)
[  161.658359][ T3102]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  161.658361][ T3102]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  161.658364][ T3102]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  161.658370][ T3102]  _printk (kernel/printk/printk.c:2504)
[  161.658373][ T3102]  ? snapshot_read.cold (user.c:?)
[  161.658376][ T3102]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  161.658378][ T3102]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  161.658381][ T3102]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  161.658383][ T3102]  ? netdev_notice (net/core/dev.c:13194)
[  161.658384][ T3102]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  161.658387][ T3102]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  161.658390][ T3102]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  161.658391][ T3102]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  161.658394][ T3102]  netif_set_promiscuity (net/core/dev.c:9699)
[  161.658396][ T3102]  dev_set_promiscuity (net/core/dev_api.c:288)
[  161.658398][ T3102]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  161.658402][ T3102] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  161.658408][ T3102] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  161.658412][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658414][ T3102]  notifier_call_chain (kernel/notifier.c:85)
[  161.658417][ T3102]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  161.658419][ T3102]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  161.658422][ T3102]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  161.658423][ T3102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.658425][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658426][ T3102]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  161.658428][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658433][ T3102]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  161.658436][ T3102]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.658438][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658439][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658440][ T3102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.658442][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658443][ T3102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.658445][ T3102]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  161.658447][ T3102]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  161.658449][ T3102]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  161.658451][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658452][ T3102]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  161.658456][ T3102]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  161.658458][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658459][ T3102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.658461][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658462][ T3102]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  161.658463][ T3102]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  161.658465][ T3102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  161.658467][ T3102]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  161.658469][ T3102]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  161.658473][ T3102]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  161.658476][ T3102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  161.658477][ T3102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.658479][ T3102]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  161.658481][ T3102]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  161.658484][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658485][ T3102]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.658487][ T3102]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  161.658489][ T3102]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  161.658491][ T3102]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.658493][ T3102]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  161.658495][ T3102]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  161.658497][ T3102]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  161.658499][ T3102]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.658500][ T3102]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  161.658503][ T3102]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  161.658506][ T3102]  ____sys_sendmsg (net/socket.c:2713)
[  161.658508][ T3102]  ? copy_msghdr_from_user (net/socket.c:2650)
[  161.658510][ T3102]  ? sock_write_iter (net/socket.c:1269)
[  161.658511][ T3102]  ? move_addr_to_kernel (net/socket.c:258)
[  161.658513][ T3102]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  161.658515][ T3102]  ___sys_sendmsg (net/socket.c:2767)
[  161.658517][ T3102]  ? copy_msghdr_from_user (net/socket.c:2619)
[  161.658522][ T3102]  __sys_sendmsg (net/socket.c:2799)
[  161.658524][ T3102]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  161.658527][ T3102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.658529][ T3102]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  161.658531][ T3102]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  161.658533][ T3102]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.658535][ T3102] RIP: 0033:0x7feefcf3b54e
[  161.658537][ T3102] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  161.658539][ T3102] RSP: 002b:00007fff3ad7c310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  161.658542][ T3102] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007feefcf3b54e
[  161.658544][ T3102] RDX: 0000000000000000 RSI: 00007fff3ad7c3c0 RDI: 0000000000000005
[  161.658545][ T3102] RBP: 00007fff3ad7c320 R08: 0000000000000000 R09: 0000000000000000
[  161.658545][ T3102] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912bc1
[  161.658546][ T3102] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3ad7ca80
| [  164.079017][ T3161] softirqs last disabled at (0): 0x0
| [  164.079018][ T3161] Preemption disabled at:
| [  164.079019][ T3161] vprintk_emit (kernel/printk/printk.c:2471)
| [  164.079029][ T3161] Tainted: [W]=WARN
[  164.079030][ T3161] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  164.079032][ T3161] Call Trace:
[  164.079033][ T3161]  <TASK>
[  164.079035][ T3161]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  164.079041][ T3161]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  164.079042][ T3161]  __might_resched.cold (kernel/sched/core.c:9234)
[  164.079046][ T3161]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  164.079050][ T3161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.079053][ T3161]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  164.079056][ T3161]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  164.079059][ T3161]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  164.079064][ T3161]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  164.079066][ T3161]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  164.079068][ T3161]  put_chars (drivers/char/virtio_console.c:1176)
[  164.079070][ T3161]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  164.079072][ T3161]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  164.079074][ T3161]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  164.079080][ T3161]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  164.079082][ T3161]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  164.079083][ T3161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.079085][ T3161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.079087][ T3161]  console_emit_next_record (kernel/printk/printk.c:3183)
[  164.079090][ T3161]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  164.079092][ T3161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.079093][ T3161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.079094][ T3161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.079095][ T3161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.079097][ T3161]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  164.079099][ T3161]  console_flush_one_record (kernel/printk/printk.c:3268)
[  164.079101][ T3161]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  164.079104][ T3161]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  164.079106][ T3161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.079107][ T3161]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  164.079109][ T3161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.079110][ T3161]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.079111][ T3161]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  164.079113][ T3161]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  164.079114][ T3161]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  164.079117][ T3161]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  164.079118][ T3161]  vprintk_emit (kernel/printk/printk.c:2479)
[  164.079120][ T3161]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  164.079121][ T3161]  ? 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)
[  164.079123][ T3161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.079123][ T3161]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  164.079127][ T3161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.079129][ T3161]  _printk (kernel/printk/printk.c:2504)
[  164.079132][ T3161]  ? snapshot_read.cold (user.c:?)
[  164.079134][ T3161]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  164.079138][ T3161]  ? idr_get_free (??:?)
[  164.079140][ T3161]  ? 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)
[  164.079143][ T3161]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  164.079149][ T3161]  ? nla_get_range_signed (lib/nlattr.c:270)
[  164.079154][ T3161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.079155][ T3161]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  164.079158][ T3161]  __nla_validate_parse (lib/nlattr.c:635)
[  164.079161][ T3161]  __nla_parse (lib/nlattr.c:732)
[  164.079163][ T3161]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  164.079165][ T3161]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.079167][ T3161]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  164.079169][ T3161]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  164.079173][ T3161]  ? security_capable (security/security.c:660 (discriminator 11))
[  164.079176][ T3161]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  164.079178][ T3161]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  164.079180][ T3161]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  164.079188][ T3161]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  164.079191][ T3161]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  164.079193][ T3161]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  164.079195][ T3161]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  164.079197][ T3161]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  164.079199][ T3161]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  164.079202][ T3161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.079203][ T3161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.079204][ T3161]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  164.079206][ T3161]  genl_rcv (net/netlink/genetlink.c:1218)
[  164.079208][ T3161]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  164.079210][ T3161]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  164.079213][ T3161]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  164.079215][ T3161]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  164.079217][ T3161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.079219][ T3161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.079220][ T3161]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  164.079223][ T3161]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  164.079226][ T3161]  __sys_sendto (net/socket.c:2281)
[  164.079229][ T3161]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  164.079232][ T3161]  ? fput_close_sync (fs/file_table.c:617)
[  164.079235][ T3161]  ? alloc_file_clone (fs/file_table.c:479)
[  164.079237][ T3161]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  164.079239][ T3161]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  164.079241][ T3161]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  164.079242][ T3161]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  164.079244][ T3161]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  164.079246][ T3161]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  164.079248][ T3161]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  164.079250][ T3161] RIP: 0033:0x7f07b0e7c312
[  164.079252][ T3161] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  164.079255][ T3161] RSP: 002b:00007ffc9a950318 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  164.079258][ T3161] RAX: ffffffffffffffda RBX: 00007ffc9a950448 RCX: 00007f07b0e7c312
[  164.079260][ T3161] RDX: 0000000000000044 RSI: 00007f07aebdfaf0 RDI: 0000000000000020
[  164.079261][ T3161] RBP: 00007ffc9a950340 R08: 00007ffc9a9504c0 R09: 000000000000000c
[  164.079262][ T3161] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f07aece6120
[  164.079263][ T3161] R13: 00007ffc9a950448 R14: 00007f07b079b01a R15: 00007ffc9a950838
| [  165.131922][ T3209] softirqs last disabled at (0): 0x0
| [  165.131924][ T3209] Preemption disabled at:
| [  165.131925][ T3209] vprintk_emit (kernel/printk/printk.c:2471)
| [  165.131935][ T3209] Tainted: [W]=WARN
[  165.131936][ T3209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  165.131938][ T3209] Call Trace:
[  165.131939][ T3209]  <TASK>
[  165.131941][ T3209]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  165.131947][ T3209]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  165.131948][ T3209]  __might_resched.cold (kernel/sched/core.c:9234)
[  165.131952][ T3209]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  165.131956][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.131958][ T3209]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  165.131961][ T3209]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  165.131964][ T3209]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  165.131970][ T3209]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  165.131972][ T3209]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  165.131974][ T3209]  put_chars (drivers/char/virtio_console.c:1176)
[  165.131976][ T3209]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  165.131977][ T3209]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  165.131980][ T3209]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  165.131982][ T3209]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  165.131987][ T3209]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  165.131989][ T3209]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  165.131991][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.131992][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.131993][ T3209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.131995][ T3209]  console_emit_next_record (kernel/printk/printk.c:3183)
[  165.131998][ T3209]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  165.132000][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.132001][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.132002][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.132003][ T3209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.132005][ T3209]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  165.132007][ T3209]  console_flush_one_record (kernel/printk/printk.c:3268)
[  165.132009][ T3209]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  165.132012][ T3209]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  165.132014][ T3209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.132016][ T3209]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  165.132018][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.132019][ T3209]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  165.132020][ T3209]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  165.132022][ T3209]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  165.132023][ T3209]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  165.132025][ T3209]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  165.132027][ T3209]  vprintk_emit (kernel/printk/printk.c:2479)
[  165.132029][ T3209]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  165.132031][ T3209]  _printk (kernel/printk/printk.c:2504)
[  165.132034][ T3209]  ? snapshot_read.cold (user.c:?)
[  165.132035][ T3209]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  165.132038][ T3209]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  165.132042][ T3209]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  165.132044][ T3209]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  165.132047][ T3209]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  165.132049][ T3209]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  165.132052][ T3209]  ? netdev_notice (net/core/dev.c:13194)
[  165.132053][ T3209]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  165.132061][ T3209]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  165.132063][ T3209]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  165.132065][ T3209]  netif_set_promiscuity (net/core/dev.c:9699)
[  165.132068][ T3209]  dev_set_promiscuity (net/core/dev_api.c:288)
[  165.132070][ T3209]  ? dev_disable_lro (net/core/dev_api.c:267)
[  165.132071][ T3209] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  165.132075][ T3209] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  165.132079][ T3209]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  165.132081][ T3209] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  165.132085][ T3209]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  165.132089][ T3209] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  165.132093][ T3209]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  165.132097][ T3209]  ? __nla_validate_parse (lib/nlattr.c:635)
[  165.132101][ T3209]  ? __nla_parse (lib/nlattr.c:732)
[  165.132103][ T3209]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  165.132107][ T3209]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  165.132109][ T3209]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  165.132113][ T3209]  ? security_capable (security/security.c:660 (discriminator 11))
[  165.132116][ T3209]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  165.132118][ T3209]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  165.132120][ T3209]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  165.132124][ T3209]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  165.132127][ T3209]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  165.132129][ T3209]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  165.132131][ T3209]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  165.132133][ T3209]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  165.132135][ T3209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  165.132138][ T3209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.132139][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.132141][ T3209]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  165.132143][ T3209]  genl_rcv (net/netlink/genetlink.c:1218)
[  165.132144][ T3209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  165.132147][ T3209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  165.132149][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.132150][ T3209]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  165.132153][ T3209]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  165.132155][ T3209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.132156][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.132158][ T3209]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  165.132161][ T3209]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  165.132164][ T3209]  __sys_sendto (net/socket.c:2281)
[  165.132166][ T3209]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  165.132170][ T3209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.132171][ T3209]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  165.132173][ T3209]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  165.132175][ T3209]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  165.132178][ T3209]  ? 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))
[  165.132179][ T3209]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  165.132181][ T3209]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  165.132184][ T3209]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  165.132187][ T3209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  165.132189][ T3209] RIP: 0033:0x7f2484999312
[  165.132191][ T3209] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  165.132193][ T3209] RSP: 002b:00007fffd9ace0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  165.132196][ T3209] RAX: ffffffffffffffda RBX: 00007fffd9ace228 RCX: 00007f2484999312
[  165.132198][ T3209] RDX: 0000000000000030 RSI: 00007f24805dad70 RDI: 0000000000000023
[  165.132198][ T3209] RBP: 00007fffd9ace120 R08: 00007fffd9ace2a0 R09: 000000000000000c
[  165.132200][ T3209] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f24827f2200
[  165.132200][ T3209] R13: 00007fffd9ace228 R14: 00007f24842b801a R15: 00007fffd9ace618
| [  174.583390][ T3391] softirqs last disabled at (0): 0x0
| [  174.583392][ T3391] Preemption disabled at:
| [  174.583393][ T3391] vprintk_emit (kernel/printk/printk.c:2471)
| [  174.583403][ T3391] Tainted: [W]=WARN
[  174.583404][ T3391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  174.583406][ T3391] Call Trace:
[  174.583407][ T3391]  <TASK>
[  174.583408][ T3391]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  174.583414][ T3391]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  174.583416][ T3391]  __might_resched.cold (kernel/sched/core.c:9234)
[  174.583419][ T3391]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  174.583423][ T3391]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  174.583424][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583427][ T3391]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  174.583429][ T3391]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  174.583432][ T3391]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.583437][ T3391]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  174.583439][ T3391]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  174.583442][ T3391]  put_chars (drivers/char/virtio_console.c:1176)
[  174.583443][ T3391]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  174.583445][ T3391]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  174.583446][ T3391]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  174.583449][ T3391]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  174.583454][ T3391]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  174.583456][ T3391]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  174.583457][ T3391]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  174.583460][ T3391]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  174.583462][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583463][ T3391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.583466][ T3391]  console_emit_next_record (kernel/printk/printk.c:3183)
[  174.583469][ T3391]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  174.583471][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583472][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583473][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583474][ T3391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.583476][ T3391]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  174.583478][ T3391]  console_flush_one_record (kernel/printk/printk.c:3268)
[  174.583480][ T3391]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  174.583483][ T3391]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  174.583485][ T3391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.583486][ T3391]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  174.583488][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583492][ T3391]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.583494][ T3391]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  174.583495][ T3391]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  174.583496][ T3391]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  174.583498][ T3391]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  174.583500][ T3391]  vprintk_emit (kernel/printk/printk.c:2479)
[  174.583502][ T3391]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  174.583503][ T3391]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  174.583506][ T3391]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  174.583512][ T3391]  _printk (kernel/printk/printk.c:2504)
[  174.583516][ T3391]  ? snapshot_read.cold (user.c:?)
[  174.583518][ T3391]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  174.583521][ T3391]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  174.583524][ T3391]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  174.583526][ T3391]  ? netdev_notice (net/core/dev.c:13194)
[  174.583527][ T3391]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  174.583530][ T3391]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  174.583533][ T3391]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  174.583535][ T3391]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  174.583537][ T3391]  netif_set_promiscuity (net/core/dev.c:9699)
[  174.583539][ T3391]  dev_set_promiscuity (net/core/dev_api.c:288)
[  174.583541][ T3391]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  174.583544][ T3391] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  174.583551][ T3391] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  174.583555][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583557][ T3391]  notifier_call_chain (kernel/notifier.c:85)
[  174.583560][ T3391]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  174.583562][ T3391]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  174.583565][ T3391]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  174.583566][ T3391]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.583568][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583569][ T3391]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.583571][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583576][ T3391]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  174.583579][ T3391]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.583581][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583582][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583583][ T3391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.583584][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583586][ T3391]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.583587][ T3391]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  174.583590][ T3391]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  174.583591][ T3391]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  174.583594][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583595][ T3391]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  174.583598][ T3391]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  174.583600][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583601][ T3391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.583603][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583604][ T3391]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  174.583606][ T3391]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  174.583607][ T3391]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.583609][ T3391]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  174.583611][ T3391]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  174.583615][ T3391]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  174.583618][ T3391]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  174.583619][ T3391]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.583621][ T3391]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  174.583623][ T3391]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  174.583626][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583627][ T3391]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  174.583629][ T3391]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  174.583631][ T3391]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  174.583633][ T3391]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.583635][ T3391]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  174.583637][ T3391]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  174.583638][ T3391]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  174.583640][ T3391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  174.583642][ T3391]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  174.583645][ T3391]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  174.583648][ T3391]  ____sys_sendmsg (net/socket.c:2713)
[  174.583650][ T3391]  ? copy_msghdr_from_user (net/socket.c:2650)
[  174.583651][ T3391]  ? sock_write_iter (net/socket.c:1269)
[  174.583653][ T3391]  ? move_addr_to_kernel (net/socket.c:258)
[  174.583654][ T3391]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  174.583657][ T3391]  ___sys_sendmsg (net/socket.c:2767)
[  174.583659][ T3391]  ? copy_msghdr_from_user (net/socket.c:2619)
[  174.583664][ T3391]  __sys_sendmsg (net/socket.c:2799)
[  174.583666][ T3391]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  174.583668][ T3391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  174.583670][ T3391]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  174.583673][ T3391]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  174.583674][ T3391]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  174.583676][ T3391] RIP: 0033:0x7f1df41df54e
[  174.583678][ T3391] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  174.583680][ T3391] RSP: 002b:00007ffed790d300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  174.583683][ T3391] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1df41df54e
[  174.583685][ T3391] RDX: 0000000000000000 RSI: 00007ffed790d3b0 RDI: 0000000000000005
[  174.583686][ T3391] RBP: 00007ffed790d310 R08: 0000000000000000 R09: 0000000000000000
[  174.583686][ T3391] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912bce
[  174.583687][ T3391] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed790da70
| [  176.918384][ T3448] softirqs last disabled at (0): 0x0
| [  176.918386][ T3448] Preemption disabled at:
| [  176.918387][ T3448] vprintk_emit (kernel/printk/printk.c:2471)
| [  176.918397][ T3448] Tainted: [W]=WARN
[  176.918398][ T3448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  176.918400][ T3448] Call Trace:
[  176.918401][ T3448]  <TASK>
[  176.918402][ T3448]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  176.918408][ T3448]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  176.918409][ T3448]  __might_resched.cold (kernel/sched/core.c:9234)
[  176.918414][ T3448]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  176.918417][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.918420][ T3448]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  176.918423][ T3448]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  176.918426][ T3448]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  176.918431][ T3448]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  176.918433][ T3448]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  176.918435][ T3448]  put_chars (drivers/char/virtio_console.c:1176)
[  176.918437][ T3448]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  176.918439][ T3448]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  176.918441][ T3448]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  176.918446][ T3448]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  176.918448][ T3448]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  176.918450][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.918451][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.918454][ T3448]  console_emit_next_record (kernel/printk/printk.c:3183)
[  176.918456][ T3448]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  176.918459][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.918460][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.918461][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.918462][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.918464][ T3448]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  176.918466][ T3448]  console_flush_one_record (kernel/printk/printk.c:3268)
[  176.918468][ T3448]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  176.918471][ T3448]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  176.918473][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.918474][ T3448]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  176.918476][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.918477][ T3448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.918479][ T3448]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  176.918480][ T3448]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  176.918482][ T3448]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  176.918484][ T3448]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  176.918485][ T3448]  vprintk_emit (kernel/printk/printk.c:2479)
[  176.918487][ T3448]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  176.918488][ T3448]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  176.918490][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.918491][ T3448]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  176.918495][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.918497][ T3448]  _printk (kernel/printk/printk.c:2504)
[  176.918500][ T3448]  ? snapshot_read.cold (user.c:?)
[  176.918501][ T3448]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  176.918505][ T3448]  ? idr_get_free (??:?)
[  176.918507][ T3448]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  176.918510][ T3448]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  176.918517][ T3448]  ? nla_get_range_signed (lib/nlattr.c:270)
[  176.918521][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.918522][ T3448]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  176.918525][ T3448]  __nla_validate_parse (lib/nlattr.c:635)
[  176.918528][ T3448]  __nla_parse (lib/nlattr.c:732)
[  176.918531][ T3448]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  176.918533][ T3448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.918535][ T3448]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  176.918537][ T3448]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  176.918541][ T3448]  ? security_capable (security/security.c:660 (discriminator 11))
[  176.918544][ T3448]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  176.918546][ T3448]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  176.918549][ T3448]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  176.918556][ T3448]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  176.918559][ T3448]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  176.918561][ T3448]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  176.918563][ T3448]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  176.918565][ T3448]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  176.918567][ T3448]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  176.918570][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.918571][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.918572][ T3448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.918574][ T3448]  genl_rcv (net/netlink/genetlink.c:1218)
[  176.918576][ T3448]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  176.918579][ T3448]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  176.918581][ T3448]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  176.918584][ T3448]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  176.918586][ T3448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.918587][ T3448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.918589][ T3448]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  176.918592][ T3448]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  176.918595][ T3448]  __sys_sendto (net/socket.c:2281)
[  176.918598][ T3448]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  176.918602][ T3448]  ? fput_close_sync (fs/file_table.c:617)
[  176.918605][ T3448]  ? alloc_file_clone (fs/file_table.c:479)
[  176.918607][ T3448]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  176.918609][ T3448]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  176.918610][ T3448]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  176.918612][ T3448]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  176.918613][ T3448]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  176.918616][ T3448]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  176.918618][ T3448]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  176.918620][ T3448] RIP: 0033:0x7f468ad03312
[  176.918622][ T3448] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  176.918624][ T3448] RSP: 002b:00007ffe0e993e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  176.918627][ T3448] RAX: ffffffffffffffda RBX: 00007ffe0e993fc8 RCX: 00007f468ad03312
[  176.918629][ T3448] RDX: 0000000000000044 RSI: 00007f46880dee70 RDI: 0000000000000020
[  176.918630][ T3448] RBP: 00007ffe0e993ec0 R08: 00007ffe0e994040 R09: 000000000000000c
[  176.918630][ T3448] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4688b660b0
[  176.918631][ T3448] R13: 00007ffe0e993fc8 R14: 00007f468a62201a R15: 00007ffe0e9943b8
| [  178.012853][ T3497] softirqs last disabled at (0): 0x0
| [  178.012856][ T3497] Preemption disabled at:
| [  178.012857][ T3497] vprintk_emit (kernel/printk/printk.c:2471)
| [  178.012871][ T3497] Tainted: [W]=WARN
[  178.012873][ T3497] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.012875][ T3497] Call Trace:
[  178.012877][ T3497]  <TASK>
[  178.012879][ T3497]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  178.012886][ T3497]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  178.012889][ T3497]  __might_resched.cold (kernel/sched/core.c:9234)
[  178.012894][ T3497]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  178.012898][ T3497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.012902][ T3497]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  178.012906][ T3497]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.012910][ T3497]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.012916][ T3497]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  178.012919][ T3497]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.012923][ T3497]  put_chars (drivers/char/virtio_console.c:1176)
[  178.012926][ T3497]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  178.012928][ T3497]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  178.012932][ T3497]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  178.012936][ T3497]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  178.012949][ T3497]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  178.012952][ T3497]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.012955][ T3497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.012957][ T3497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.012959][ T3497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.012963][ T3497]  console_emit_next_record (kernel/printk/printk.c:3183)
[  178.012967][ T3497]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  178.012971][ T3497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.012973][ T3497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.012975][ T3497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.012977][ T3497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.012980][ T3497]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  178.012983][ T3497]  console_flush_one_record (kernel/printk/printk.c:3268)
[  178.012987][ T3497]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  178.012991][ T3497]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  178.012994][ T3497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.012996][ T3497]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  178.012999][ T3497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.013001][ T3497]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.013003][ T3497]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  178.013006][ T3497]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  178.013008][ T3497]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  178.013011][ T3497]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  178.013014][ T3497]  vprintk_emit (kernel/printk/printk.c:2479)
[  178.013017][ T3497]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  178.013020][ T3497]  _printk (kernel/printk/printk.c:2504)
[  178.013024][ T3497]  ? snapshot_read.cold (user.c:?)
[  178.013027][ T3497]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  178.013031][ T3497]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  178.013036][ T3497]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  178.013038][ T3497]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  178.013043][ T3497]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  178.013046][ T3497]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  178.013049][ T3497]  ? netdev_notice (net/core/dev.c:13194)
[  178.013052][ T3497]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  178.013064][ T3497]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  178.013066][ T3497]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  178.013070][ T3497]  netif_set_promiscuity (net/core/dev.c:9699)
[  178.013073][ T3497]  dev_set_promiscuity (net/core/dev_api.c:288)
[  178.013076][ T3497]  ? dev_disable_lro (net/core/dev_api.c:267)
[  178.013078][ T3497] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  178.013085][ T3497] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  178.013092][ T3497]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.013094][ T3497] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  178.013102][ T3497]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  178.013108][ T3497] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  178.013115][ T3497]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  178.013121][ T3497]  ? __nla_validate_parse (lib/nlattr.c:635)
[  178.013127][ T3497]  ? __nla_parse (lib/nlattr.c:732)
[  178.013129][ T3497]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  178.013135][ T3497]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  178.013139][ T3497]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  178.013144][ T3497]  ? security_capable (security/security.c:660 (discriminator 11))
[  178.013148][ T3497]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  178.013152][ T3497]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  178.013155][ T3497]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  178.013162][ T3497]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  178.013166][ T3497]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  178.013170][ T3497]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  178.013173][ T3497]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  178.013176][ T3497]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  178.013179][ T3497]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  178.013184][ T3497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.013186][ T3497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.013188][ T3497]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.013192][ T3497]  genl_rcv (net/netlink/genetlink.c:1218)
[  178.013195][ T3497]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  178.013198][ T3497]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  178.013202][ T3497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.013204][ T3497]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  178.013208][ T3497]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  178.013211][ T3497]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.013214][ T3497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.013217][ T3497]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  178.013221][ T3497]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  178.013224][ T3497]  __sys_sendto (net/socket.c:2281)
[  178.013228][ T3497]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  178.013234][ T3497]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.013236][ T3497]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.013240][ T3497]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  178.013243][ T3497]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  178.013247][ T3497]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  178.013251][ T3497]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  178.013253][ T3497]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  178.013258][ T3497]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  178.013261][ T3497]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  178.013264][ T3497] RIP: 0033:0x7fbc4254a312
[  178.013267][ T3497] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  178.013270][ T3497] RSP: 002b:00007fffe0e7c488 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  178.013275][ T3497] RAX: ffffffffffffffda RBX: 00007fffe0e7c5b8 RCX: 00007fbc4254a312
[  178.013277][ T3497] RDX: 0000000000000030 RSI: 00007fbc3e1a5ef0 RDI: 0000000000000023
[  178.013279][ T3497] RBP: 00007fffe0e7c4b0 R08: 00007fffe0e7c630 R09: 000000000000000c
[  178.013280][ T3497] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbc403aa190
[  178.013282][ T3497] R13: 00007fffe0e7c5b8 R14: 00007fbc41e6901a R15: 00007fffe0e7c9a8
| [  179.070105][ T3535] softirqs last disabled at (0): 0x0
| [  179.070106][ T3535] Preemption disabled at:
| [  179.070107][ T3535] vprintk_emit (kernel/printk/printk.c:2471)
| [  179.070117][ T3535] Tainted: [W]=WARN
[  179.070118][ T3535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  179.070120][ T3535] Call Trace:
[  179.070122][ T3535]  <TASK>
[  179.070123][ T3535]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  179.070129][ T3535]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  179.070131][ T3535]  __might_resched.cold (kernel/sched/core.c:9234)
[  179.070134][ T3535]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  179.070138][ T3535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.070141][ T3535]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  179.070144][ T3535]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  179.070147][ T3535]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  179.070152][ T3535]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  179.070153][ T3535]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  179.070156][ T3535]  put_chars (drivers/char/virtio_console.c:1176)
[  179.070158][ T3535]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  179.070159][ T3535]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  179.070162][ T3535]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  179.070164][ T3535]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  179.070169][ T3535]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  179.070171][ T3535]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  179.070172][ T3535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.070173][ T3535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.070175][ T3535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.070177][ T3535]  console_emit_next_record (kernel/printk/printk.c:3183)
[  179.070180][ T3535]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  179.070182][ T3535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.070183][ T3535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.070184][ T3535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.070185][ T3535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.070187][ T3535]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  179.070189][ T3535]  console_flush_one_record (kernel/printk/printk.c:3268)
[  179.070191][ T3535]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  179.070194][ T3535]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  179.070196][ T3535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.070197][ T3535]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  179.070199][ T3535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.070200][ T3535]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  179.070202][ T3535]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  179.070203][ T3535]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  179.070204][ T3535]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  179.070207][ T3535]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  179.070208][ T3535]  vprintk_emit (kernel/printk/printk.c:2479)
[  179.070210][ T3535]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  179.070212][ T3535]  _printk (kernel/printk/printk.c:2504)
[  179.070215][ T3535]  ? snapshot_read.cold (user.c:?)
[  179.070217][ T3535]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  179.070220][ T3535]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  179.070224][ T3535]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  179.070226][ T3535]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  179.070229][ T3535]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  179.070231][ T3535]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  179.070233][ T3535]  ? netdev_notice (net/core/dev.c:13194)
[  179.070235][ T3535]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  179.070243][ T3535]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  179.070245][ T3535]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  179.070248][ T3535]  netif_set_promiscuity (net/core/dev.c:9699)
[  179.070251][ T3535]  dev_set_promiscuity (net/core/dev_api.c:288)
[  179.070253][ T3535]  ? dev_disable_lro (net/core/dev_api.c:267)
[  179.070255][ T3535] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  179.070259][ T3535] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  179.070263][ T3535]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  179.070264][ T3535] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  179.070269][ T3535]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  179.070272][ T3535] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  179.070276][ T3535]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  179.070279][ T3535]  ? __nla_validate_parse (lib/nlattr.c:635)
[  179.070284][ T3535]  ? __nla_parse (lib/nlattr.c:732)
[  179.070286][ T3535]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  179.070290][ T3535]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  179.070292][ T3535]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  179.070296][ T3535]  ? security_capable (security/security.c:660 (discriminator 11))
[  179.070299][ T3535]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  179.070301][ T3535]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  179.070303][ T3535]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  179.070307][ T3535]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  179.070310][ T3535]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  179.070312][ T3535]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  179.070314][ T3535]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  179.070316][ T3535]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  179.070318][ T3535]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  179.070321][ T3535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.070323][ T3535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.070324][ T3535]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  179.070326][ T3535]  genl_rcv (net/netlink/genetlink.c:1218)
[  179.070328][ T3535]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  179.070330][ T3535]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  179.070332][ T3535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.070333][ T3535]  ? 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)
[  179.070335][ T3535]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  179.070338][ T3535]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  179.070339][ T3535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  179.070341][ T3535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  179.070343][ T3535]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  179.070346][ T3535]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  179.070349][ T3535]  __sys_sendto (net/socket.c:2281)
[  179.070351][ T3535]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  179.070354][ T3535]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  179.070358][ T3535]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  179.070359][ T3535]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  179.070362][ T3535]  ? 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))
[  179.070364][ T3535]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  179.070365][ T3535]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  179.070369][ T3535]  ? irq_exit_rcu (kernel/softirq.c:786)
[  179.070371][ T3535]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  179.070373][ T3535] RIP: 0033:0x7f3aed658312
[  179.070375][ T3535] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  179.070377][ T3535] RSP: 002b:00007ffc402716e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  179.070381][ T3535] RAX: ffffffffffffffda RBX: 00007ffc40271818 RCX: 00007f3aed658312
[  179.070382][ T3535] RDX: 0000000000000030 RSI: 00007f3ae92ab5b0 RDI: 0000000000000023
[  179.070383][ T3535] RBP: 00007ffc40271710 R08: 00007ffc40271890 R09: 000000000000000c
[  179.070384][ T3535] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3aeb4c2270
[  179.070385][ T3535] R13: 00007ffc40271818 R14: 00007f3aecf7701a R15: 00007ffc40271c08
| [  190.318503][ T3791] softirqs last disabled at (0): 0x0
| [  190.318505][ T3791] Preemption disabled at:
| [  190.318505][ T3791] vprintk_emit (kernel/printk/printk.c:2471)
| [  190.318516][ T3791] Tainted: [W]=WARN
[  190.318517][ T3791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  190.318519][ T3791] Call Trace:
[  190.318521][ T3791]  <TASK>
[  190.318522][ T3791]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  190.318528][ T3791]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  190.318529][ T3791]  __might_resched.cold (kernel/sched/core.c:9234)
[  190.318533][ T3791]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  190.318537][ T3791]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  190.318539][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318541][ T3791]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  190.318544][ T3791]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  190.318547][ T3791]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  190.318553][ T3791]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  190.318554][ T3791]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  190.318557][ T3791]  put_chars (drivers/char/virtio_console.c:1176)
[  190.318558][ T3791]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  190.318560][ T3791]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  190.318562][ T3791]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  190.318564][ T3791]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  190.318569][ T3791]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  190.318571][ T3791]  ? 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)
[  190.318573][ T3791]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  190.318576][ T3791]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  190.318578][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318579][ T3791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.318581][ T3791]  console_emit_next_record (kernel/printk/printk.c:3183)
[  190.318584][ T3791]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  190.318586][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318588][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318588][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318590][ T3791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.318592][ T3791]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  190.318594][ T3791]  console_flush_one_record (kernel/printk/printk.c:3268)
[  190.318596][ T3791]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  190.318599][ T3791]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  190.318601][ T3791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.318602][ T3791]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  190.318604][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318605][ T3791]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.318607][ T3791]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  190.318608][ T3791]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  190.318610][ T3791]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  190.318612][ T3791]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  190.318613][ T3791]  vprintk_emit (kernel/printk/printk.c:2479)
[  190.318615][ T3791]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  190.318616][ T3791]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  190.318620][ T3791]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  190.318627][ T3791]  _printk (kernel/printk/printk.c:2504)
[  190.318630][ T3791]  ? snapshot_read.cold (user.c:?)
[  190.318632][ T3791]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  190.318635][ T3791]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  190.318638][ T3791]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  190.318640][ T3791]  ? netdev_notice (net/core/dev.c:13194)
[  190.318642][ T3791]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  190.318645][ T3791]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  190.318648][ T3791]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  190.318649][ T3791]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  190.318651][ T3791]  netif_set_promiscuity (net/core/dev.c:9699)
[  190.318654][ T3791]  dev_set_promiscuity (net/core/dev_api.c:288)
[  190.318656][ T3791]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  190.318660][ T3791] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  190.318666][ T3791] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  190.318670][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318672][ T3791]  notifier_call_chain (kernel/notifier.c:85)
[  190.318675][ T3791]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  190.318677][ T3791]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  190.318680][ T3791]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  190.318682][ T3791]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.318683][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318685][ T3791]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  190.318686][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318692][ T3791]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  190.318695][ T3791]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  190.318696][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318698][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318699][ T3791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.318700][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318701][ T3791]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.318703][ T3791]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  190.318706][ T3791]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  190.318707][ T3791]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  190.318710][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318714][ T3791]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  190.318717][ T3791]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  190.318720][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318721][ T3791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.318723][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318724][ T3791]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  190.318726][ T3791]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  190.318728][ T3791]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  190.318729][ T3791]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  190.318732][ T3791]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  190.318736][ T3791]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  190.318739][ T3791]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  190.318741][ T3791]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.318742][ T3791]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  190.318744][ T3791]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  190.318747][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318749][ T3791]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.318751][ T3791]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  190.318753][ T3791]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  190.318755][ T3791]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  190.318757][ T3791]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  190.318759][ T3791]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  190.318761][ T3791]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  190.318762][ T3791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.318764][ T3791]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  190.318767][ T3791]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  190.318770][ T3791]  ____sys_sendmsg (net/socket.c:2713)
[  190.318772][ T3791]  ? copy_msghdr_from_user (net/socket.c:2650)
[  190.318774][ T3791]  ? sock_write_iter (net/socket.c:1269)
[  190.318775][ T3791]  ? move_addr_to_kernel (net/socket.c:258)
[  190.318777][ T3791]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  190.318780][ T3791]  ___sys_sendmsg (net/socket.c:2767)
[  190.318782][ T3791]  ? copy_msghdr_from_user (net/socket.c:2619)
[  190.318787][ T3791]  __sys_sendmsg (net/socket.c:2799)
[  190.318789][ T3791]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  190.318792][ T3791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.318793][ T3791]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  190.318796][ T3791]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  190.318798][ T3791]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  190.318800][ T3791] RIP: 0033:0x7f178033054e
[  190.318802][ T3791] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  190.318804][ T3791] RSP: 002b:00007fffc12ee890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  190.318807][ T3791] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f178033054e
[  190.318809][ T3791] RDX: 0000000000000000 RSI: 00007fffc12ee940 RDI: 0000000000000005
[  190.318810][ T3791] RBP: 00007fffc12ee8a0 R08: 0000000000000000 R09: 0000000000000000
[  190.318811][ T3791] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912bde
[  190.318812][ T3791] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc12ef000
| [  192.738408][ T3848] softirqs last disabled at (0): 0x0
| [  192.738410][ T3848] Preemption disabled at:
| [  192.738411][ T3848] vprintk_emit (kernel/printk/printk.c:2471)
| [  192.738421][ T3848] Tainted: [W]=WARN
[  192.738422][ T3848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  192.738424][ T3848] Call Trace:
[  192.738425][ T3848]  <TASK>
[  192.738426][ T3848]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  192.738432][ T3848]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  192.738434][ T3848]  __might_resched.cold (kernel/sched/core.c:9234)
[  192.738438][ T3848]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  192.738441][ T3848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.738444][ T3848]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  192.738447][ T3848]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  192.738450][ T3848]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  192.738455][ T3848]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  192.738457][ T3848]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  192.738460][ T3848]  put_chars (drivers/char/virtio_console.c:1176)
[  192.738461][ T3848]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  192.738463][ T3848]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  192.738466][ T3848]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  192.738471][ T3848]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  192.738473][ T3848]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  192.738475][ T3848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.738476][ T3848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.738479][ T3848]  console_emit_next_record (kernel/printk/printk.c:3183)
[  192.738482][ T3848]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  192.738484][ T3848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.738485][ T3848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.738486][ T3848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.738487][ T3848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.738489][ T3848]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  192.738491][ T3848]  console_flush_one_record (kernel/printk/printk.c:3268)
[  192.738493][ T3848]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  192.738496][ T3848]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  192.738498][ T3848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.738499][ T3848]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  192.738501][ T3848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.738502][ T3848]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  192.738504][ T3848]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  192.738506][ T3848]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  192.738507][ T3848]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  192.738509][ T3848]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  192.738511][ T3848]  vprintk_emit (kernel/printk/printk.c:2479)
[  192.738512][ T3848]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  192.738514][ T3848]  ? 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)
[  192.738515][ T3848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.738516][ T3848]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  192.738520][ T3848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.738522][ T3848]  _printk (kernel/printk/printk.c:2504)
[  192.738525][ T3848]  ? snapshot_read.cold (user.c:?)
[  192.738527][ T3848]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  192.738531][ T3848]  ? idr_get_free (??:?)
[  192.738533][ T3848]  ? 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)
[  192.738536][ T3848]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  192.738543][ T3848]  ? nla_get_range_signed (lib/nlattr.c:270)
[  192.738547][ T3848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.738548][ T3848]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  192.738551][ T3848]  __nla_validate_parse (lib/nlattr.c:635)
[  192.738554][ T3848]  __nla_parse (lib/nlattr.c:732)
[  192.738557][ T3848]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  192.738559][ T3848]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  192.738561][ T3848]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  192.738563][ T3848]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  192.738567][ T3848]  ? security_capable (security/security.c:660 (discriminator 11))
[  192.738570][ T3848]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  192.738572][ T3848]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  192.738575][ T3848]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  192.738582][ T3848]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  192.738585][ T3848]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  192.738587][ T3848]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  192.738589][ T3848]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  192.738591][ T3848]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  192.738593][ T3848]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  192.738596][ T3848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.738598][ T3848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.738599][ T3848]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  192.738601][ T3848]  genl_rcv (net/netlink/genetlink.c:1218)
[  192.738603][ T3848]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  192.738605][ T3848]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  192.738608][ T3848]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  192.738610][ T3848]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  192.738612][ T3848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.738614][ T3848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.738616][ T3848]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  192.738619][ T3848]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  192.738622][ T3848]  __sys_sendto (net/socket.c:2281)
[  192.738624][ T3848]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  192.738628][ T3848]  ? fput_close_sync (fs/file_table.c:617)
[  192.738631][ T3848]  ? alloc_file_clone (fs/file_table.c:479)
[  192.738633][ T3848]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  192.738635][ T3848]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  192.738637][ T3848]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  192.738638][ T3848]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  192.738640][ T3848]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  192.738643][ T3848]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  192.738645][ T3848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  192.738647][ T3848] RIP: 0033:0x7fdbf33a0312
[  192.738649][ T3848] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  192.738651][ T3848] RSP: 002b:00007fff8839b188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  192.738655][ T3848] RAX: ffffffffffffffda RBX: 00007fff8839b2b8 RCX: 00007fdbf33a0312
[  192.738656][ T3848] RDX: 0000000000000048 RSI: 00007fdbf10ef8c0 RDI: 0000000000000020
[  192.738658][ T3848] RBP: 00007fff8839b1b0 R08: 00007fff8839b330 R09: 000000000000000c
[  192.738658][ T3848] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdbf120a120
[  192.738659][ T3848] R13: 00007fff8839b2b8 R14: 00007fdbf2cbf01a R15: 00007fff8839b6a8
| [  193.856921][ T3896] softirqs last disabled at (0): 0x0
| [  193.856924][ T3896] Preemption disabled at:
| [  193.856925][ T3896] vprintk_emit (kernel/printk/printk.c:2471)
| [  193.856938][ T3896] Tainted: [W]=WARN
[  193.856940][ T3896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  193.856943][ T3896] Call Trace:
[  193.856944][ T3896]  <TASK>
[  193.856946][ T3896]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  193.856953][ T3896]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  193.856955][ T3896]  __might_resched.cold (kernel/sched/core.c:9234)
[  193.856960][ T3896]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  193.856965][ T3896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.856969][ T3896]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  193.856972][ T3896]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  193.856976][ T3896]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.856983][ T3896]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  193.856985][ T3896]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.856989][ T3896]  put_chars (drivers/char/virtio_console.c:1176)
[  193.856992][ T3896]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  193.856994][ T3896]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  193.856998][ T3896]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  193.857001][ T3896]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  193.857008][ T3896]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  193.857011][ T3896]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  193.857014][ T3896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.857015][ T3896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.857017][ T3896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.857027][ T3896]  console_emit_next_record (kernel/printk/printk.c:3183)
[  193.857031][ T3896]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  193.857034][ T3896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.857036][ T3896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.857038][ T3896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.857040][ T3896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.857043][ T3896]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  193.857046][ T3896]  console_flush_one_record (kernel/printk/printk.c:3268)
[  193.857050][ T3896]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  193.857054][ T3896]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  193.857057][ T3896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.857060][ T3896]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  193.857062][ T3896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.857064][ T3896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  193.857066][ T3896]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  193.857069][ T3896]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  193.857071][ T3896]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  193.857074][ T3896]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  193.857076][ T3896]  vprintk_emit (kernel/printk/printk.c:2479)
[  193.857079][ T3896]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  193.857083][ T3896]  _printk (kernel/printk/printk.c:2504)
[  193.857087][ T3896]  ? snapshot_read.cold (user.c:?)
[  193.857090][ T3896]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  193.857093][ T3896]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  193.857098][ T3896]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  193.857101][ T3896]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  193.857105][ T3896]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  193.857108][ T3896]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  193.857112][ T3896]  ? netdev_notice (net/core/dev.c:13194)
[  193.857114][ T3896]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  193.857125][ T3896]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  193.857128][ T3896]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  193.857132][ T3896]  netif_set_promiscuity (net/core/dev.c:9699)
[  193.857136][ T3896]  dev_set_promiscuity (net/core/dev_api.c:288)
[  193.857138][ T3896]  ? dev_disable_lro (net/core/dev_api.c:267)
[  193.857141][ T3896] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  193.857148][ T3896] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  193.857155][ T3896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  193.857158][ T3896] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  193.857165][ T3896]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  193.857172][ T3896] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  193.857179][ T3896]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  193.857185][ T3896]  ? __nla_validate_parse (lib/nlattr.c:635)
[  193.857191][ T3896]  ? __nla_parse (lib/nlattr.c:732)
[  193.857194][ T3896]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  193.857199][ T3896]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  193.857203][ T3896]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  193.857208][ T3896]  ? security_capable (security/security.c:660 (discriminator 11))
[  193.857212][ T3896]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  193.857216][ T3896]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  193.857220][ T3896]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  193.857226][ T3896]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  193.857230][ T3896]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  193.857233][ T3896]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  193.857237][ T3896]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  193.857239][ T3896]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  193.857243][ T3896]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  193.857249][ T3896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.857252][ T3896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.857254][ T3896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  193.857257][ T3896]  genl_rcv (net/netlink/genetlink.c:1218)
[  193.857260][ T3896]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  193.857264][ T3896]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  193.857266][ T3896]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  193.857270][ T3896]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  193.857274][ T3896]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  193.857278][ T3896]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  193.857281][ T3896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.857284][ T3896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.857286][ T3896]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  193.857290][ T3896]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  193.857294][ T3896]  __sys_sendto (net/socket.c:2281)
[  193.857297][ T3896]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  193.857304][ T3896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.857306][ T3896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  193.857310][ T3896]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  193.857312][ T3896]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  193.857315][ T3896]  ? 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))
[  193.857317][ T3896]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  193.857320][ T3896]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  193.857324][ T3896]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  193.857327][ T3896]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  193.857330][ T3896] RIP: 0033:0x7f81694d3312
[  193.857334][ T3896] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  193.857337][ T3896] RSP: 002b:00007ffc31bae028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  193.857342][ T3896] RAX: ffffffffffffffda RBX: 00007ffc31bae158 RCX: 00007f81694d3312
[  193.857344][ T3896] RDX: 0000000000000030 RSI: 00007f81650ea4b0 RDI: 0000000000000023
[  193.857345][ T3896] RBP: 00007ffc31bae050 R08: 00007ffc31bae1d0 R09: 000000000000000c
[  193.857347][ T3896] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8167336200
[  193.857349][ T3896] R13: 00007ffc31bae158 R14: 00007f8168df201a R15: 00007ffc31bae548
| [  194.902855][ T3940] softirqs last disabled at (0): 0x0
| [  194.902856][ T3940] Preemption disabled at:
| [  194.902857][ T3940] vprintk_emit (kernel/printk/printk.c:2471)
| [  194.902867][ T3940] Tainted: [W]=WARN
[  194.902868][ T3940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  194.902870][ T3940] Call Trace:
[  194.902871][ T3940]  <TASK>
[  194.902873][ T3940]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  194.902879][ T3940]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  194.902880][ T3940]  __might_resched.cold (kernel/sched/core.c:9234)
[  194.902884][ T3940]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  194.902887][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.902890][ T3940]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  194.902893][ T3940]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  194.902896][ T3940]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.902901][ T3940]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  194.902903][ T3940]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.902905][ T3940]  put_chars (drivers/char/virtio_console.c:1176)
[  194.902907][ T3940]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  194.902909][ T3940]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  194.902911][ T3940]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  194.902913][ T3940]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  194.902918][ T3940]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  194.902920][ T3940]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  194.902922][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.902923][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.902924][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.902927][ T3940]  console_emit_next_record (kernel/printk/printk.c:3183)
[  194.902930][ T3940]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  194.902932][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.902933][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.902934][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.902935][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.902937][ T3940]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  194.902938][ T3940]  console_flush_one_record (kernel/printk/printk.c:3268)
[  194.902941][ T3940]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  194.902944][ T3940]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  194.902945][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.902947][ T3940]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  194.902949][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.902950][ T3940]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  194.902951][ T3940]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  194.902953][ T3940]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  194.902954][ T3940]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  194.902956][ T3940]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  194.902958][ T3940]  vprintk_emit (kernel/printk/printk.c:2479)
[  194.902960][ T3940]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  194.902962][ T3940]  _printk (kernel/printk/printk.c:2504)
[  194.902964][ T3940]  ? snapshot_read.cold (user.c:?)
[  194.902966][ T3940]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  194.902969][ T3940]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  194.902973][ T3940]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  194.902975][ T3940]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  194.902978][ T3940]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  194.902980][ T3940]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  194.902982][ T3940]  ? netdev_notice (net/core/dev.c:13194)
[  194.902984][ T3940]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  194.902992][ T3940]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  194.902994][ T3940]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  194.902996][ T3940]  netif_set_promiscuity (net/core/dev.c:9699)
[  194.902999][ T3940]  dev_set_promiscuity (net/core/dev_api.c:288)
[  194.903001][ T3940]  ? dev_disable_lro (net/core/dev_api.c:267)
[  194.903002][ T3940] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  194.903006][ T3940] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  194.903010][ T3940]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  194.903012][ T3940] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  194.903016][ T3940]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  194.903020][ T3940] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  194.903024][ T3940]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  194.903033][ T3940]  ? __nla_validate_parse (lib/nlattr.c:635)
[  194.903037][ T3940]  ? __nla_parse (lib/nlattr.c:732)
[  194.903039][ T3940]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  194.903044][ T3940]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  194.903046][ T3940]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  194.903049][ T3940]  ? security_capable (security/security.c:660 (discriminator 11))
[  194.903052][ T3940]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  194.903055][ T3940]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  194.903057][ T3940]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  194.903061][ T3940]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  194.903064][ T3940]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  194.903066][ T3940]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  194.903068][ T3940]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  194.903070][ T3940]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  194.903072][ T3940]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  194.903075][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.903077][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.903078][ T3940]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  194.903080][ T3940]  genl_rcv (net/netlink/genetlink.c:1218)
[  194.903082][ T3940]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  194.903084][ T3940]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  194.903086][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.903087][ T3940]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  194.903090][ T3940]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  194.903092][ T3940]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.903094][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.903095][ T3940]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  194.903098][ T3940]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  194.903101][ T3940]  __sys_sendto (net/socket.c:2281)
[  194.903103][ T3940]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  194.903107][ T3940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.903108][ T3940]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  194.903110][ T3940]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  194.903112][ T3940]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  194.903115][ T3940]  ? 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))
[  194.903117][ T3940]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  194.903118][ T3940]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  194.903122][ T3940]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  194.903124][ T3940]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  194.903126][ T3940] RIP: 0033:0x7efeb9761312
[  194.903128][ T3940] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  194.903130][ T3940] RSP: 002b:00007ffe584e0bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  194.903133][ T3940] RAX: ffffffffffffffda RBX: 00007ffe584e0ce8 RCX: 00007efeb9761312
[  194.903135][ T3940] RDX: 0000000000000030 RSI: 00007efeb53a7870 RDI: 0000000000000023
[  194.903136][ T3940] RBP: 00007ffe584e0be0 R08: 00007ffe584e0d60 R09: 000000000000000c
[  194.903137][ T3940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efeb75ba2e0
[  194.903137][ T3940] R13: 00007ffe584e0ce8 R14: 00007efeb908001a R15: 00007ffe584e10d8
| [  198.299682][ T4030] softirqs last disabled at (0): 0x0
| [  198.299683][ T4030] Preemption disabled at:
| [  198.299684][ T4030] vprintk_emit (kernel/printk/printk.c:2471)
| [  198.299695][ T4030] Tainted: [W]=WARN
[  198.299696][ T4030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  198.299698][ T4030] Call Trace:
[  198.299700][ T4030]  <TASK>
[  198.299701][ T4030]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  198.299707][ T4030]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  198.299709][ T4030]  __might_resched.cold (kernel/sched/core.c:9234)
[  198.299716][ T4030]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  198.299720][ T4030]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  198.299724][ T4030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.299726][ T4030]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  198.299729][ T4030]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.299732][ T4030]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.299737][ T4030]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  198.299739][ T4030]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.299742][ T4030]  put_chars (drivers/char/virtio_console.c:1176)
[  198.299743][ T4030]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  198.299745][ T4030]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  198.299748][ T4030]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  198.299753][ T4030]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  198.299755][ T4030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.299756][ T4030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.299758][ T4030]  console_emit_next_record (kernel/printk/printk.c:3183)
[  198.299761][ T4030]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  198.299763][ T4030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.299764][ T4030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.299765][ T4030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.299766][ T4030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.299768][ T4030]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  198.299770][ T4030]  console_flush_one_record (kernel/printk/printk.c:3268)
[  198.299773][ T4030]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  198.299775][ T4030]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  198.299777][ T4030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.299779][ T4030]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  198.299781][ T4030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.299782][ T4030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.299783][ T4030]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  198.299785][ T4030]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  198.299786][ T4030]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  198.299788][ T4030]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  198.299790][ T4030]  vprintk_emit (kernel/printk/printk.c:2479)
[  198.299792][ T4030]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  198.299793][ T4030]  ? 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)
[  198.299795][ T4030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.299796][ T4030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.299798][ T4030]  _printk (kernel/printk/printk.c:2504)
[  198.299801][ T4030]  ? snapshot_read.cold (user.c:?)
[  198.299802][ T4030]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  198.299806][ T4030]  ? idr_get_free (??:?)
[  198.299808][ T4030]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  198.299815][ T4030]  ? 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)
[  198.299819][ T4030] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  198.299825][ T4030]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  198.299829][ T4030]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  198.299831][ T4030]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  198.299835][ T4030]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  198.299836][ T4030]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  198.299838][ T4030]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  198.299840][ T4030]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  198.299842][ T4030]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  198.299845][ T4030]  ? __sys_sendto (net/socket.c:2281)
[  198.299847][ T4030]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  198.299853][ T4030]  ? __nla_parse (lib/nlattr.c:732)
[  198.299857][ T4030]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  198.299860][ T4030]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  198.299862][ T4030]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  198.299865][ T4030]  ? security_capable (security/security.c:660 (discriminator 11))
[  198.299868][ T4030]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  198.299871][ T4030]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  198.299873][ T4030]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  198.299876][ T4030]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  198.299879][ T4030]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  198.299882][ T4030]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  198.299884][ T4030]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  198.299886][ T4030]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  198.299888][ T4030]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  198.299891][ T4030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.299892][ T4030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.299893][ T4030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.299895][ T4030]  genl_rcv (net/netlink/genetlink.c:1218)
[  198.299897][ T4030]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  198.299899][ T4030]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  198.299902][ T4030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.299903][ T4030]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  198.299905][ T4030]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  198.299907][ T4030]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.299909][ T4030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.299910][ T4030]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  198.299912][ T4030]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  198.299915][ T4030]  __sys_sendto (net/socket.c:2281)
[  198.299917][ T4030]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  198.299921][ T4030]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.299922][ T4030]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.299924][ T4030]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  198.299926][ T4030]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  198.299927][ T4030]  ? 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))
[  198.299929][ T4030]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  198.299930][ T4030]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  198.299933][ T4030]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  198.299935][ T4030]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  198.299937][ T4030] RIP: 0033:0x7f8aa1da4312
[  198.299939][ T4030] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  198.299941][ T4030] RSP: 002b:00007fff642c27b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  198.299945][ T4030] RAX: ffffffffffffffda RBX: 00007fff642c28e8 RCX: 00007f8aa1da4312
[  198.299946][ T4030] RDX: 00000000000000b0 RSI: 00007f8a9fa8b9f0 RDI: 0000000000000026
[  198.299947][ T4030] RBP: 00007fff642c27e0 R08: 00007fff642c2960 R09: 000000000000000c
[  198.299948][ T4030] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a9fc0e350
[  198.299949][ T4030] R13: 00007fff642c28e8 R14: 00007f8aa16c301a R15: 00007fff642c2cd8
| [  207.506176][ T4233] softirqs last disabled at (0): 0x0
| [  207.506179][ T4233] Preemption disabled at:
| [  207.506180][ T4233] vprintk_emit (kernel/printk/printk.c:2471)
| [  207.506193][ T4233] Tainted: [W]=WARN
[  207.506194][ T4233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  207.506197][ T4233] Call Trace:
[  207.506199][ T4233]  <TASK>
[  207.506200][ T4233]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  207.506207][ T4233]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  207.506209][ T4233]  __might_resched.cold (kernel/sched/core.c:9234)
[  207.506214][ T4233]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  207.506218][ T4233]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  207.506221][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506224][ T4233]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  207.506228][ T4233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  207.506232][ T4233]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  207.506238][ T4233]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  207.506241][ T4233]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  207.506244][ T4233]  put_chars (drivers/char/virtio_console.c:1176)
[  207.506247][ T4233]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  207.506249][ T4233]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  207.506252][ T4233]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  207.506256][ T4233]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  207.506262][ T4233]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  207.506264][ T4233]  ? 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)
[  207.506267][ T4233]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  207.506271][ T4233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  207.506273][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506275][ T4233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.506279][ T4233]  console_emit_next_record (kernel/printk/printk.c:3183)
[  207.506282][ T4233]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  207.506286][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506287][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506289][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506291][ T4233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.506294][ T4233]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  207.506296][ T4233]  console_flush_one_record (kernel/printk/printk.c:3268)
[  207.506300][ T4233]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  207.506304][ T4233]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  207.506306][ T4233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.506309][ T4233]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  207.506311][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506313][ T4233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  207.506315][ T4233]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  207.506317][ T4233]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  207.506320][ T4233]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  207.506322][ T4233]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  207.506325][ T4233]  vprintk_emit (kernel/printk/printk.c:2479)
[  207.506327][ T4233]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  207.506329][ T4233]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  207.506334][ T4233]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  207.506342][ T4233]  _printk (kernel/printk/printk.c:2504)
[  207.506346][ T4233]  ? snapshot_read.cold (user.c:?)
[  207.506350][ T4233]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  207.506354][ T4233]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  207.506357][ T4233]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  207.506360][ T4233]  ? netdev_notice (net/core/dev.c:13194)
[  207.506362][ T4233]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  207.506366][ T4233]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  207.506371][ T4233]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  207.506373][ T4233]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  207.506376][ T4233]  netif_set_promiscuity (net/core/dev.c:9699)
[  207.506380][ T4233]  dev_set_promiscuity (net/core/dev_api.c:288)
[  207.506382][ T4233]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  207.506387][ T4233] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  207.506395][ T4233] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  207.506401][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506404][ T4233]  notifier_call_chain (kernel/notifier.c:85)
[  207.506408][ T4233]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  207.506412][ T4233]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  207.506416][ T4233]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  207.506418][ T4233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  207.506421][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506423][ T4233]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  207.506425][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506434][ T4233]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  207.506438][ T4233]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  207.506441][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506443][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506444][ T4233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.506447][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506448][ T4233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  207.506451][ T4233]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  207.506454][ T4233]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  207.506456][ T4233]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  207.506459][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506461][ T4233]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  207.506465][ T4233]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  207.506468][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506470][ T4233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.506472][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506474][ T4233]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  207.506476][ T4233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  207.506479][ T4233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  207.506481][ T4233]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  207.506485][ T4233]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  207.506490][ T4233]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  207.506494][ T4233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  207.506496][ T4233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  207.506498][ T4233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  207.506500][ T4233]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  207.506505][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506507][ T4233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  207.506510][ T4233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  207.506513][ T4233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  207.506516][ T4233]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  207.506519][ T4233]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  207.506522][ T4233]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  207.506524][ T4233]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  207.506527][ T4233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.506529][ T4233]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  207.506533][ T4233]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  207.506537][ T4233]  ____sys_sendmsg (net/socket.c:2713)
[  207.506540][ T4233]  ? copy_msghdr_from_user (net/socket.c:2650)
[  207.506542][ T4233]  ? sock_write_iter (net/socket.c:1269)
[  207.506544][ T4233]  ? move_addr_to_kernel (net/socket.c:258)
[  207.506546][ T4233]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  207.506551][ T4233]  ___sys_sendmsg (net/socket.c:2767)
[  207.506553][ T4233]  ? copy_msghdr_from_user (net/socket.c:2619)
[  207.506561][ T4233]  __sys_sendmsg (net/socket.c:2799)
[  207.506564][ T4233]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  207.506568][ T4233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.506571][ T4233]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  207.506574][ T4233]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  207.506577][ T4233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  207.506579][ T4233] RIP: 0033:0x7fc6e41a854e
[  207.506582][ T4233] 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
[  207.506585][ T4233] RSP: 002b:00007ffd653c8530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  207.506589][ T4233] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc6e41a854e
[  207.506591][ T4233] RDX: 0000000000000000 RSI: 00007ffd653c85e0 RDI: 0000000000000005
[  207.506593][ T4233] RBP: 00007ffd653c8540 R08: 0000000000000000 R09: 0000000000000000
[  207.506594][ T4233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912bef
[  207.506596][ T4233] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd653c8ca0
| [  210.081901][ T4290] softirqs last disabled at (0): 0x0
| [  210.081903][ T4290] Preemption disabled at:
| [  210.081903][ T4290] vprintk_emit (kernel/printk/printk.c:2471)
| [  210.081914][ T4290] Tainted: [W]=WARN
[  210.081915][ T4290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  210.081917][ T4290] Call Trace:
[  210.081919][ T4290]  <TASK>
[  210.081920][ T4290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  210.081926][ T4290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  210.081927][ T4290]  __might_resched.cold (kernel/sched/core.c:9234)
[  210.081931][ T4290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  210.081935][ T4290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081937][ T4290]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  210.081940][ T4290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  210.081943][ T4290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.081949][ T4290]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  210.081950][ T4290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.081953][ T4290]  put_chars (drivers/char/virtio_console.c:1176)
[  210.081955][ T4290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  210.081957][ T4290]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  210.081959][ T4290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  210.081964][ T4290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  210.081966][ T4290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  210.081968][ T4290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081969][ T4290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.081972][ T4290]  console_emit_next_record (kernel/printk/printk.c:3183)
[  210.081975][ T4290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  210.081977][ T4290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081978][ T4290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081979][ T4290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081980][ T4290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.081982][ T4290]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  210.081983][ T4290]  console_flush_one_record (kernel/printk/printk.c:3268)
[  210.081986][ T4290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  210.081989][ T4290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  210.081990][ T4290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.081992][ T4290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  210.081994][ T4290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081995][ T4290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  210.081996][ T4290]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  210.081998][ T4290]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  210.081999][ T4290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  210.082002][ T4290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  210.082003][ T4290]  vprintk_emit (kernel/printk/printk.c:2479)
[  210.082005][ T4290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  210.082006][ T4290]  ? 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)
[  210.082008][ T4290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.082009][ T4290]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  210.082013][ T4290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.082015][ T4290]  _printk (kernel/printk/printk.c:2504)
[  210.082018][ T4290]  ? snapshot_read.cold (user.c:?)
[  210.082019][ T4290]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  210.082023][ T4290]  ? idr_get_free (??:?)
[  210.082025][ T4290]  ? 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)
[  210.082028][ T4290]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  210.082035][ T4290]  ? nla_get_range_signed (lib/nlattr.c:270)
[  210.082039][ T4290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.082040][ T4290]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  210.082043][ T4290]  __nla_validate_parse (lib/nlattr.c:635)
[  210.082046][ T4290]  __nla_parse (lib/nlattr.c:732)
[  210.082048][ T4290]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  210.082051][ T4290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  210.082053][ T4290]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  210.082055][ T4290]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  210.082058][ T4290]  ? security_capable (security/security.c:660 (discriminator 11))
[  210.082061][ T4290]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  210.082064][ T4290]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  210.082066][ T4290]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  210.082073][ T4290]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  210.082076][ T4290]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  210.082078][ T4290]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  210.082081][ T4290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  210.082082][ T4290]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  210.082085][ T4290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  210.082087][ T4290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.082089][ T4290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.082090][ T4290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  210.082092][ T4290]  genl_rcv (net/netlink/genetlink.c:1218)
[  210.082094][ T4290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  210.082096][ T4290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  210.082098][ T4290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.082099][ T4290]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  210.082101][ T4290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  210.082111][ T4290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  210.082113][ T4290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.082115][ T4290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.082116][ T4290]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  210.082120][ T4290]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  210.082123][ T4290]  __sys_sendto (net/socket.c:2281)
[  210.082125][ T4290]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  210.082127][ T4290]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  210.082129][ T4290]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  210.082134][ T4290]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  210.082136][ T4290]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  210.082137][ T4290]  ? 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))
[  210.082139][ T4290]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  210.082140][ T4290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  210.082143][ T4290]  ? irq_exit_rcu (kernel/softirq.c:786)
[  210.082145][ T4290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  210.082147][ T4290] RIP: 0033:0x7ff8f870b312
[  210.082149][ T4290] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  210.082151][ T4290] RSP: 002b:00007ffc63ced528 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  210.082155][ T4290] RAX: ffffffffffffffda RBX: 00007ffc63ced658 RCX: 00007ff8f870b312
[  210.082156][ T4290] RDX: 0000000000000044 RSI: 00007ff8f42e2e20 RDI: 0000000000000020
[  210.082157][ T4290] RBP: 00007ffc63ced550 R08: 00007ffc63ced6d0 R09: 000000000000000c
[  210.082158][ T4290] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff8f656e120
[  210.082159][ T4290] R13: 00007ffc63ced658 R14: 00007ff8f802a01a R15: 00007ffc63ceda48
| [  211.095284][ T4338] softirqs last disabled at (0): 0x0
| [  211.095286][ T4338] Preemption disabled at:
| [  211.095287][ T4338] vprintk_emit (kernel/printk/printk.c:2471)
| [  211.095297][ T4338] Tainted: [W]=WARN
[  211.095298][ T4338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  211.095300][ T4338] Call Trace:
[  211.095301][ T4338]  <TASK>
[  211.095303][ T4338]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  211.095309][ T4338]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  211.095310][ T4338]  __might_resched.cold (kernel/sched/core.c:9234)
[  211.095314][ T4338]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  211.095318][ T4338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.095320][ T4338]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  211.095323][ T4338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  211.095326][ T4338]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.095332][ T4338]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  211.095334][ T4338]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.095336][ T4338]  put_chars (drivers/char/virtio_console.c:1176)
[  211.095338][ T4338]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  211.095339][ T4338]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  211.095342][ T4338]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  211.095344][ T4338]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  211.095349][ T4338]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  211.095351][ T4338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  211.095353][ T4338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.095354][ T4338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.095355][ T4338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.095358][ T4338]  console_emit_next_record (kernel/printk/printk.c:3183)
[  211.095360][ T4338]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  211.095363][ T4338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.095364][ T4338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.095365][ T4338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.095366][ T4338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.095368][ T4338]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  211.095370][ T4338]  console_flush_one_record (kernel/printk/printk.c:3268)
[  211.095372][ T4338]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  211.095375][ T4338]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  211.095377][ T4338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.095378][ T4338]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  211.095380][ T4338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.095381][ T4338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.095383][ T4338]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  211.095384][ T4338]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  211.095386][ T4338]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  211.095388][ T4338]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  211.095389][ T4338]  vprintk_emit (kernel/printk/printk.c:2479)
[  211.095391][ T4338]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  211.095393][ T4338]  _printk (kernel/printk/printk.c:2504)
[  211.095396][ T4338]  ? snapshot_read.cold (user.c:?)
[  211.095398][ T4338]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  211.095401][ T4338]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  211.095405][ T4338]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  211.095407][ T4338]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  211.095410][ T4338]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  211.095412][ T4338]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  211.095414][ T4338]  ? netdev_notice (net/core/dev.c:13194)
[  211.095416][ T4338]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  211.095424][ T4338]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  211.095426][ T4338]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  211.095428][ T4338]  netif_set_promiscuity (net/core/dev.c:9699)
[  211.095431][ T4338]  dev_set_promiscuity (net/core/dev_api.c:288)
[  211.095432][ T4338]  ? dev_disable_lro (net/core/dev_api.c:267)
[  211.095434][ T4338] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  211.095438][ T4338] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  211.095442][ T4338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.095444][ T4338] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  211.095448][ T4338]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  211.095452][ T4338] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  211.095456][ T4338]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  211.095459][ T4338]  ? __nla_validate_parse (lib/nlattr.c:635)
[  211.095463][ T4338]  ? __nla_parse (lib/nlattr.c:732)
[  211.095465][ T4338]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  211.095469][ T4338]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  211.095472][ T4338]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  211.095475][ T4338]  ? security_capable (security/security.c:660 (discriminator 11))
[  211.095478][ T4338]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  211.095481][ T4338]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  211.095483][ T4338]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  211.095487][ T4338]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  211.095490][ T4338]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  211.095492][ T4338]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  211.095494][ T4338]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  211.095496][ T4338]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  211.095498][ T4338]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  211.095501][ T4338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.095503][ T4338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.095504][ T4338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.095506][ T4338]  genl_rcv (net/netlink/genetlink.c:1218)
[  211.095508][ T4338]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  211.095510][ T4338]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  211.095512][ T4338]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  211.095516][ T4338]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  211.095517][ T4338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.095518][ T4338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.095520][ T4338]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  211.095522][ T4338]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  211.095524][ T4338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.095526][ T4338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.095527][ T4338]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  211.095530][ T4338]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  211.095533][ T4338]  __sys_sendto (net/socket.c:2281)
[  211.095536][ T4338]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  211.095539][ T4338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.095541][ T4338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.095543][ T4338]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  211.095545][ T4338]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  211.095547][ T4338]  ? 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))
[  211.095549][ T4338]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  211.095551][ T4338]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  211.095553][ T4338]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  211.095555][ T4338]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  211.095558][ T4338] RIP: 0033:0x7feb01668312
[  211.095560][ T4338] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  211.095562][ T4338] RSP: 002b:00007ffd1b78e668 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  211.095565][ T4338] RAX: ffffffffffffffda RBX: 00007ffd1b78e798 RCX: 00007feb01668312
[  211.095567][ T4338] RDX: 0000000000000030 RSI: 00007feafd2b3eb0 RDI: 0000000000000023
[  211.095568][ T4338] RBP: 00007ffd1b78e690 R08: 00007ffd1b78e810 R09: 000000000000000c
[  211.095569][ T4338] R10: 0000000000000000 R11: 0000000000000246 R12: 00007feaff4d2200
[  211.095570][ T4338] R13: 00007ffd1b78e798 R14: 00007feb00f8701a R15: 00007ffd1b78eb88
| [  212.119862][ T4376] softirqs last disabled at (0): 0x0
| [  212.119864][ T4376] Preemption disabled at:
| [  212.119866][ T4376] vprintk_emit (kernel/printk/printk.c:2471)
| [  212.119879][ T4376] Tainted: [W]=WARN
[  212.119881][ T4376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  212.119883][ T4376] Call Trace:
[  212.119885][ T4376]  <TASK>
[  212.119887][ T4376]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  212.119894][ T4376]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  212.119896][ T4376]  __might_resched.cold (kernel/sched/core.c:9234)
[  212.119901][ T4376]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  212.119906][ T4376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.119910][ T4376]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  212.119914][ T4376]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.119919][ T4376]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.119925][ T4376]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  212.119928][ T4376]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.119932][ T4376]  put_chars (drivers/char/virtio_console.c:1176)
[  212.119935][ T4376]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  212.119937][ T4376]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  212.119941][ T4376]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  212.119944][ T4376]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  212.119951][ T4376]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  212.119954][ T4376]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.119956][ T4376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.119958][ T4376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.119960][ T4376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.119964][ T4376]  console_emit_next_record (kernel/printk/printk.c:3183)
[  212.119968][ T4376]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  212.119972][ T4376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.119974][ T4376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.119975][ T4376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.119978][ T4376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.119981][ T4376]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  212.119984][ T4376]  console_flush_one_record (kernel/printk/printk.c:3268)
[  212.119988][ T4376]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  212.119992][ T4376]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  212.119995][ T4376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.119998][ T4376]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  212.120001][ T4376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.120003][ T4376]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.120005][ T4376]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  212.120007][ T4376]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  212.120009][ T4376]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  212.120012][ T4376]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  212.120014][ T4376]  vprintk_emit (kernel/printk/printk.c:2479)
[  212.120017][ T4376]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  212.120020][ T4376]  _printk (kernel/printk/printk.c:2504)
[  212.120024][ T4376]  ? snapshot_read.cold (user.c:?)
[  212.120027][ T4376]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  212.120030][ T4376]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  212.120035][ T4376]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  212.120038][ T4376]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  212.120043][ T4376]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  212.120046][ T4376]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  212.120049][ T4376]  ? netdev_notice (net/core/dev.c:13194)
[  212.120052][ T4376]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  212.120063][ T4376]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  212.120066][ T4376]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  212.120069][ T4376]  netif_set_promiscuity (net/core/dev.c:9699)
[  212.120073][ T4376]  dev_set_promiscuity (net/core/dev_api.c:288)
[  212.120076][ T4376]  ? dev_disable_lro (net/core/dev_api.c:267)
[  212.120078][ T4376] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  212.120086][ T4376] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  212.120093][ T4376]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.120096][ T4376] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  212.120103][ T4376]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  212.120110][ T4376] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  212.120124][ T4376]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  212.120131][ T4376]  ? __nla_validate_parse (lib/nlattr.c:635)
[  212.120137][ T4376]  ? __nla_parse (lib/nlattr.c:732)
[  212.120139][ T4376]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  212.120145][ T4376]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  212.120149][ T4376]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  212.120155][ T4376]  ? security_capable (security/security.c:660 (discriminator 11))
[  212.120159][ T4376]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  212.120163][ T4376]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  212.120166][ T4376]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  212.120172][ T4376]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  212.120176][ T4376]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  212.120180][ T4376]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  212.120184][ T4376]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  212.120186][ T4376]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  212.120190][ T4376]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  212.120194][ T4376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.120196][ T4376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.120199][ T4376]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.120202][ T4376]  genl_rcv (net/netlink/genetlink.c:1218)
[  212.120205][ T4376]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  212.120209][ T4376]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  212.120213][ T4376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.120217][ T4376]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  212.120221][ T4376]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  212.120224][ T4376]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.120227][ T4376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.120230][ T4376]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  212.120233][ T4376]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  212.120238][ T4376]  __sys_sendto (net/socket.c:2281)
[  212.120241][ T4376]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  212.120251][ T4376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.120254][ T4376]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.120258][ T4376]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  212.120260][ T4376]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  212.120264][ T4376]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  212.120267][ T4376]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  212.120270][ T4376]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  212.120274][ T4376]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  212.120278][ T4376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  212.120281][ T4376] RIP: 0033:0x7f9073991312
[  212.120284][ T4376] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  212.120287][ T4376] RSP: 002b:00007fff22d24408 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  212.120292][ T4376] RAX: ffffffffffffffda RBX: 00007fff22d24538 RCX: 00007f9073991312
[  212.120294][ T4376] RDX: 0000000000000030 RSI: 00007f90705d0670 RDI: 0000000000000023
[  212.120296][ T4376] RBP: 00007fff22d24430 R08: 00007fff22d245b0 R09: 000000000000000c
[  212.120297][ T4376] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f90717ea2e0
[  212.120299][ T4376] R13: 00007fff22d24538 R14: 00007f90732b001a R15: 00007fff22d24928
| [  219.143560][ T4527] softirqs last disabled at (0): 0x0
| [  219.143562][ T4527] Preemption disabled at:
| [  219.143563][ T4527] vprintk_emit (kernel/printk/printk.c:2471)
| [  219.143573][ T4527] Tainted: [W]=WARN
[  219.143574][ T4527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  219.143576][ T4527] Call Trace:
[  219.143577][ T4527]  <TASK>
[  219.143579][ T4527]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  219.143584][ T4527]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  219.143586][ T4527]  __might_resched.cold (kernel/sched/core.c:9234)
[  219.143589][ T4527]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  219.143593][ T4527]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  219.143595][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143598][ T4527]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  219.143601][ T4527]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  219.143604][ T4527]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.143608][ T4527]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  219.143610][ T4527]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.143613][ T4527]  put_chars (drivers/char/virtio_console.c:1176)
[  219.143614][ T4527]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  219.143616][ T4527]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  219.143618][ T4527]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  219.143621][ T4527]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  219.143625][ T4527]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  219.143628][ T4527]  ? 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)
[  219.143629][ T4527]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  219.143633][ T4527]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  219.143634][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143635][ T4527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.143638][ T4527]  console_emit_next_record (kernel/printk/printk.c:3183)
[  219.143641][ T4527]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  219.143643][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143644][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143645][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143646][ T4527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.143648][ T4527]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  219.143650][ T4527]  console_flush_one_record (kernel/printk/printk.c:3268)
[  219.143653][ T4527]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  219.143656][ T4527]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  219.143658][ T4527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.143659][ T4527]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  219.143661][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143662][ T4527]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.143664][ T4527]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  219.143665][ T4527]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  219.143667][ T4527]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  219.143669][ T4527]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  219.143670][ T4527]  vprintk_emit (kernel/printk/printk.c:2479)
[  219.143672][ T4527]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  219.143673][ T4527]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  219.143676][ T4527]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  219.143683][ T4527]  _printk (kernel/printk/printk.c:2504)
[  219.143686][ T4527]  ? snapshot_read.cold (user.c:?)
[  219.143689][ T4527]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  219.143692][ T4527]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  219.143694][ T4527]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  219.143696][ T4527]  ? netdev_notice (net/core/dev.c:13194)
[  219.143698][ T4527]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  219.143701][ T4527]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  219.143704][ T4527]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  219.143706][ T4527]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  219.143708][ T4527]  netif_set_promiscuity (net/core/dev.c:9699)
[  219.143710][ T4527]  dev_set_promiscuity (net/core/dev_api.c:288)
[  219.143712][ T4527]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  219.143716][ T4527] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  219.143722][ T4527] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  219.143727][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143728][ T4527]  notifier_call_chain (kernel/notifier.c:85)
[  219.143731][ T4527]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  219.143734][ T4527]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  219.143737][ T4527]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  219.143738][ T4527]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.143740][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143741][ T4527]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  219.143743][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143749][ T4527]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  219.143751][ T4527]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.143753][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143754][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143755][ T4527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.143757][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143758][ T4527]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.143760][ T4527]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  219.143763][ T4527]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  219.143764][ T4527]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  219.143767][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143768][ T4527]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  219.143771][ T4527]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  219.143774][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143775][ T4527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.143777][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143778][ T4527]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  219.143779][ T4527]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  219.143781][ T4527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.143783][ T4527]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  219.143785][ T4527]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  219.143789][ T4527]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  219.143792][ T4527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.143793][ T4527]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.143795][ T4527]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  219.143797][ T4527]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  219.143800][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143801][ T4527]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.143803][ T4527]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  219.143805][ T4527]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  219.143807][ T4527]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.143809][ T4527]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  219.143812][ T4527]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  219.143813][ T4527]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  219.143815][ T4527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.143817][ T4527]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  219.143820][ T4527]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  219.143823][ T4527]  ____sys_sendmsg (net/socket.c:2713)
[  219.143825][ T4527]  ? copy_msghdr_from_user (net/socket.c:2650)
[  219.143826][ T4527]  ? sock_write_iter (net/socket.c:1269)
[  219.143828][ T4527]  ? move_addr_to_kernel (net/socket.c:258)
[  219.143829][ T4527]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  219.143832][ T4527]  ___sys_sendmsg (net/socket.c:2767)
[  219.143834][ T4527]  ? copy_msghdr_from_user (net/socket.c:2619)
[  219.143839][ T4527]  __sys_sendmsg (net/socket.c:2799)
[  219.143841][ T4527]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  219.143844][ T4527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.143846][ T4527]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  219.143848][ T4527]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  219.143850][ T4527]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.143852][ T4527] RIP: 0033:0x7f5327b0f54e
[  219.143854][ T4527] 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
[  219.143856][ T4527] RSP: 002b:00007ffe72ee1e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  219.143859][ T4527] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5327b0f54e
[  219.143861][ T4527] RDX: 0000000000000000 RSI: 00007ffe72ee1ef0 RDI: 0000000000000005
[  219.143862][ T4527] RBP: 00007ffe72ee1e50 R08: 0000000000000000 R09: 0000000000000000
[  219.143863][ T4527] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912bfb
[  219.143864][ T4527] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe72ee25b0
| [  221.659145][ T4587] softirqs last disabled at (0): 0x0
| [  221.659147][ T4587] Preemption disabled at:
| [  221.659148][ T4587] vprintk_emit (kernel/printk/printk.c:2471)
| [  221.659158][ T4587] Tainted: [W]=WARN
[  221.659159][ T4587] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  221.659161][ T4587] Call Trace:
[  221.659163][ T4587]  <TASK>
[  221.659172][ T4587]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  221.659178][ T4587]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  221.659179][ T4587]  __might_resched.cold (kernel/sched/core.c:9234)
[  221.659184][ T4587]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  221.659187][ T4587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.659190][ T4587]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  221.659192][ T4587]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  221.659196][ T4587]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.659201][ T4587]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  221.659202][ T4587]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.659205][ T4587]  put_chars (drivers/char/virtio_console.c:1176)
[  221.659207][ T4587]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  221.659208][ T4587]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  221.659211][ T4587]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  221.659216][ T4587]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  221.659218][ T4587]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  221.659220][ T4587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.659222][ T4587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.659224][ T4587]  console_emit_next_record (kernel/printk/printk.c:3183)
[  221.659227][ T4587]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  221.659229][ T4587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.659231][ T4587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.659232][ T4587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.659233][ T4587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.659235][ T4587]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  221.659236][ T4587]  console_flush_one_record (kernel/printk/printk.c:3268)
[  221.659239][ T4587]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  221.659242][ T4587]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  221.659244][ T4587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.659245][ T4587]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  221.659247][ T4587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.659248][ T4587]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.659250][ T4587]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  221.659252][ T4587]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  221.659253][ T4587]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  221.659255][ T4587]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  221.659257][ T4587]  vprintk_emit (kernel/printk/printk.c:2479)
[  221.659259][ T4587]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  221.659260][ T4587]  ? 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)
[  221.659262][ T4587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.659263][ T4587]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  221.659267][ T4587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.659269][ T4587]  _printk (kernel/printk/printk.c:2504)
[  221.659272][ T4587]  ? snapshot_read.cold (user.c:?)
[  221.659273][ T4587]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  221.659277][ T4587]  ? idr_get_free (??:?)
[  221.659279][ T4587]  ? 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)
[  221.659282][ T4587]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  221.659289][ T4587]  ? nla_get_range_signed (lib/nlattr.c:270)
[  221.659294][ T4587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.659295][ T4587]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  221.659298][ T4587]  __nla_validate_parse (lib/nlattr.c:635)
[  221.659301][ T4587]  __nla_parse (lib/nlattr.c:732)
[  221.659303][ T4587]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  221.659306][ T4587]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.659308][ T4587]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  221.659310][ T4587]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  221.659313][ T4587]  ? security_capable (security/security.c:660 (discriminator 11))
[  221.659316][ T4587]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  221.659319][ T4587]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  221.659321][ T4587]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  221.659328][ T4587]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  221.659331][ T4587]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  221.659334][ T4587]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  221.659336][ T4587]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  221.659338][ T4587]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  221.659340][ T4587]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  221.659343][ T4587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.659345][ T4587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.659346][ T4587]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.659348][ T4587]  genl_rcv (net/netlink/genetlink.c:1218)
[  221.659350][ T4587]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  221.659352][ T4587]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  221.659355][ T4587]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  221.659357][ T4587]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  221.659359][ T4587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.659361][ T4587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.659362][ T4587]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  221.659365][ T4587]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  221.659368][ T4587]  __sys_sendto (net/socket.c:2281)
[  221.659371][ T4587]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  221.659375][ T4587]  ? fput_close_sync (fs/file_table.c:617)
[  221.659378][ T4587]  ? alloc_file_clone (fs/file_table.c:479)
[  221.659380][ T4587]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  221.659382][ T4587]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  221.659383][ T4587]  ? 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))
[  221.659385][ T4587]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  221.659386][ T4587]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  221.659389][ T4587]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  221.659391][ T4587]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  221.659393][ T4587] RIP: 0033:0x7f1a2f9db312
[  221.659395][ T4587] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  221.659397][ T4587] RSP: 002b:00007ffcbd3d5ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  221.659401][ T4587] RAX: ffffffffffffffda RBX: 00007ffcbd3d5c08 RCX: 00007f1a2f9db312
[  221.659402][ T4587] RDX: 0000000000000044 RSI: 00007f1a2c54f870 RDI: 0000000000000020
[  221.659403][ T4587] RBP: 00007ffcbd3d5b00 R08: 00007ffcbd3d5c80 R09: 000000000000000c
[  221.659405][ T4587] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1a2d83e0b0
[  221.659406][ T4587] R13: 00007ffcbd3d5c08 R14: 00007f1a2f2fa01a R15: 00007ffcbd3d5ff8
| [  223.553592][ T4673] softirqs last disabled at (0): 0x0
| [  223.553594][ T4673] Preemption disabled at:
| [  223.553595][ T4673] vprintk_emit (kernel/printk/printk.c:2471)
| [  223.553607][ T4673] Tainted: [W]=WARN
[  223.553608][ T4673] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  223.553610][ T4673] Call Trace:
[  223.553612][ T4673]  <TASK>
[  223.553613][ T4673]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  223.553619][ T4673]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  223.553621][ T4673]  __might_resched.cold (kernel/sched/core.c:9234)
[  223.553625][ T4673]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  223.553629][ T4673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.553632][ T4673]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  223.553635][ T4673]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  223.553638][ T4673]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.553643][ T4673]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  223.553645][ T4673]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.553648][ T4673]  put_chars (drivers/char/virtio_console.c:1176)
[  223.553650][ T4673]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  223.553651][ T4673]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  223.553654][ T4673]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  223.553657][ T4673]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  223.553662][ T4673]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  223.553664][ T4673]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  223.553666][ T4673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.553667][ T4673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.553668][ T4673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.553670][ T4673]  console_emit_next_record (kernel/printk/printk.c:3183)
[  223.553673][ T4673]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  223.553676][ T4673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.553677][ T4673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.553678][ T4673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.553679][ T4673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.553681][ T4673]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  223.553683][ T4673]  console_flush_one_record (kernel/printk/printk.c:3268)
[  223.553685][ T4673]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  223.553688][ T4673]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  223.553690][ T4673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.553692][ T4673]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  223.553693][ T4673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.553694][ T4673]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  223.553696][ T4673]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  223.553698][ T4673]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  223.553699][ T4673]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  223.553701][ T4673]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  223.553703][ T4673]  vprintk_emit (kernel/printk/printk.c:2479)
[  223.553704][ T4673]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  223.553707][ T4673]  _printk (kernel/printk/printk.c:2504)
[  223.553713][ T4673]  ? snapshot_read.cold (user.c:?)
[  223.553715][ T4673]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  223.553718][ T4673]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  223.553722][ T4673]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  223.553724][ T4673]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  223.553727][ T4673]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  223.553729][ T4673]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  223.553732][ T4673]  ? netdev_notice (net/core/dev.c:13194)
[  223.553734][ T4673]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  223.553742][ T4673]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  223.553743][ T4673]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  223.553746][ T4673]  netif_set_promiscuity (net/core/dev.c:9699)
[  223.553748][ T4673]  dev_set_promiscuity (net/core/dev_api.c:288)
[  223.553750][ T4673]  ? dev_disable_lro (net/core/dev_api.c:267)
[  223.553752][ T4673] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  223.553756][ T4673] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  223.553760][ T4673]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  223.553762][ T4673] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  223.553766][ T4673]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  223.553770][ T4673] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  223.553774][ T4673]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  223.553778][ T4673]  ? __nla_validate_parse (lib/nlattr.c:635)
[  223.553783][ T4673]  ? __nla_parse (lib/nlattr.c:732)
[  223.553785][ T4673]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  223.553789][ T4673]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  223.553791][ T4673]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  223.553795][ T4673]  ? security_capable (security/security.c:660 (discriminator 11))
[  223.553798][ T4673]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  223.553800][ T4673]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  223.553803][ T4673]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  223.553807][ T4673]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  223.553810][ T4673]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  223.553812][ T4673]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  223.553814][ T4673]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  223.553816][ T4673]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  223.553818][ T4673]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  223.553821][ T4673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.553823][ T4673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.553824][ T4673]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  223.553826][ T4673]  genl_rcv (net/netlink/genetlink.c:1218)
[  223.553828][ T4673]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  223.553830][ T4673]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  223.553833][ T4673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.553834][ T4673]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  223.553836][ T4673]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  223.553838][ T4673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.553840][ T4673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.553842][ T4673]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  223.553845][ T4673]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  223.553848][ T4673]  __sys_sendto (net/socket.c:2281)
[  223.553850][ T4673]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  223.553854][ T4673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.553855][ T4673]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  223.553858][ T4673]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  223.553859][ T4673]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  223.553862][ T4673]  ? 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))
[  223.553864][ T4673]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  223.553865][ T4673]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  223.553869][ T4673]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  223.553871][ T4673]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  223.553873][ T4673] RIP: 0033:0x7fe9475c4312
[  223.553875][ T4673] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  223.553878][ T4673] RSP: 002b:00007ffd8a5fcd38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  223.553881][ T4673] RAX: ffffffffffffffda RBX: 00007ffd8a5fce68 RCX: 00007fe9475c4312
[  223.553883][ T4673] RDX: 0000000000000030 RSI: 00007fe9441d32f0 RDI: 0000000000000023
[  223.553884][ T4673] RBP: 00007ffd8a5fcd60 R08: 00007ffd8a5fcee0 R09: 000000000000000c
[  223.553885][ T4673] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe94542e270
[  223.553886][ T4673] R13: 00007ffd8a5fce68 R14: 00007fe946ee301a R15: 00007ffd8a5fd258
| [  232.663083][ T4862] softirqs last disabled at (0): 0x0
| [  232.663085][ T4862] Preemption disabled at:
| [  232.663086][ T4862] vprintk_emit (kernel/printk/printk.c:2471)
| [  232.663097][ T4862] Tainted: [W]=WARN
[  232.663098][ T4862] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  232.663100][ T4862] Call Trace:
[  232.663101][ T4862]  <TASK>
[  232.663103][ T4862]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  232.663109][ T4862]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  232.663110][ T4862]  __might_resched.cold (kernel/sched/core.c:9234)
[  232.663114][ T4862]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  232.663118][ T4862]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  232.663120][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663122][ T4862]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  232.663125][ T4862]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  232.663128][ T4862]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  232.663134][ T4862]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  232.663136][ T4862]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  232.663139][ T4862]  put_chars (drivers/char/virtio_console.c:1176)
[  232.663140][ T4862]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  232.663142][ T4862]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  232.663144][ T4862]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  232.663147][ T4862]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  232.663151][ T4862]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  232.663154][ T4862]  ? 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)
[  232.663155][ T4862]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  232.663159][ T4862]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  232.663161][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663162][ T4862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.663165][ T4862]  console_emit_next_record (kernel/printk/printk.c:3183)
[  232.663167][ T4862]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  232.663170][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663171][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663172][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663173][ T4862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.663175][ T4862]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  232.663177][ T4862]  console_flush_one_record (kernel/printk/printk.c:3268)
[  232.663179][ T4862]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  232.663182][ T4862]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  232.663184][ T4862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.663185][ T4862]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  232.663187][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663188][ T4862]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.663190][ T4862]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  232.663191][ T4862]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  232.663193][ T4862]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  232.663195][ T4862]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  232.663196][ T4862]  vprintk_emit (kernel/printk/printk.c:2479)
[  232.663198][ T4862]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  232.663200][ T4862]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  232.663203][ T4862]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  232.663210][ T4862]  _printk (kernel/printk/printk.c:2504)
[  232.663213][ T4862]  ? snapshot_read.cold (user.c:?)
[  232.663215][ T4862]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  232.663218][ T4862]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  232.663226][ T4862]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  232.663228][ T4862]  ? netdev_notice (net/core/dev.c:13194)
[  232.663230][ T4862]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  232.663233][ T4862]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  232.663236][ T4862]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  232.663237][ T4862]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  232.663240][ T4862]  netif_set_promiscuity (net/core/dev.c:9699)
[  232.663243][ T4862]  dev_set_promiscuity (net/core/dev_api.c:288)
[  232.663245][ T4862]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  232.663248][ T4862] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  232.663255][ T4862] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  232.663259][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663261][ T4862]  notifier_call_chain (kernel/notifier.c:85)
[  232.663264][ T4862]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  232.663266][ T4862]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  232.663269][ T4862]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[  232.663271][ T4862]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.663273][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663274][ T4862]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  232.663276][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663281][ T4862]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  232.663284][ T4862]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  232.663286][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663287][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663288][ T4862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.663290][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663291][ T4862]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.663293][ T4862]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  232.663295][ T4862]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  232.663297][ T4862]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  232.663299][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663300][ T4862]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  232.663304][ T4862]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  232.663306][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663307][ T4862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.663309][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663310][ T4862]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  232.663312][ T4862]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  232.663314][ T4862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  232.663315][ T4862]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  232.663318][ T4862]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  232.663322][ T4862]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  232.663325][ T4862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  232.663326][ T4862]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.663328][ T4862]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  232.663330][ T4862]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  232.663333][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663334][ T4862]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.663336][ T4862]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  232.663338][ T4862]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  232.663340][ T4862]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  232.663342][ T4862]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  232.663344][ T4862]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  232.663346][ T4862]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  232.663348][ T4862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.663349][ T4862]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  232.663353][ T4862]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  232.663356][ T4862]  ____sys_sendmsg (net/socket.c:2713)
[  232.663358][ T4862]  ? copy_msghdr_from_user (net/socket.c:2650)
[  232.663359][ T4862]  ? sock_write_iter (net/socket.c:1269)
[  232.663361][ T4862]  ? move_addr_to_kernel (net/socket.c:258)
[  232.663363][ T4862]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  232.663365][ T4862]  ___sys_sendmsg (net/socket.c:2767)
[  232.663367][ T4862]  ? copy_msghdr_from_user (net/socket.c:2619)
[  232.663372][ T4862]  __sys_sendmsg (net/socket.c:2799)
[  232.663374][ T4862]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  232.663377][ T4862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.663379][ T4862]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  232.663382][ T4862]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  232.663384][ T4862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  232.663385][ T4862] RIP: 0033:0x7f6bd9d7b54e
[  232.663387][ T4862] 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
[  232.663389][ T4862] RSP: 002b:00007ffd1b58e240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  232.663393][ T4862] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6bd9d7b54e
[  232.663394][ T4862] RDX: 0000000000000000 RSI: 00007ffd1b58e2f0 RDI: 0000000000000005
[  232.663395][ T4862] RBP: 00007ffd1b58e250 R08: 0000000000000000 R09: 0000000000000000
[  232.663396][ T4862] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912c08
[  232.663397][ T4862] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1b58e9b0
| [  234.983430][ T4919] softirqs last disabled at (0): 0x0
| [  234.983432][ T4919] Preemption disabled at:
| [  234.983433][ T4919] vprintk_emit (kernel/printk/printk.c:2471)
| [  234.983443][ T4919] Tainted: [W]=WARN
[  234.983444][ T4919] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  234.983446][ T4919] Call Trace:
[  234.983448][ T4919]  <TASK>
[  234.983449][ T4919]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  234.983455][ T4919]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  234.983456][ T4919]  __might_resched.cold (kernel/sched/core.c:9234)
[  234.983460][ T4919]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  234.983464][ T4919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.983466][ T4919]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  234.983470][ T4919]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  234.983473][ T4919]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  234.983478][ T4919]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  234.983480][ T4919]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  234.983483][ T4919]  put_chars (drivers/char/virtio_console.c:1176)
[  234.983485][ T4919]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  234.983486][ T4919]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  234.983489][ T4919]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  234.983491][ T4919]  ? pointer (lib/vsprintf.c:2577)
[  234.983494][ T4919]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  234.983499][ T4919]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  234.983501][ T4919]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  234.983503][ T4919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.983506][ T4919]  console_emit_next_record (kernel/printk/printk.c:3183)
[  234.983509][ T4919]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  234.983511][ T4919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.983512][ T4919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.983513][ T4919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.983514][ T4919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.983516][ T4919]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  234.983518][ T4919]  console_flush_one_record (kernel/printk/printk.c:3268)
[  234.983521][ T4919]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  234.983524][ T4919]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  234.983525][ T4919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.983527][ T4919]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  234.983529][ T4919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.983530][ T4919]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  234.983532][ T4919]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  234.983533][ T4919]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  234.983535][ T4919]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  234.983537][ T4919]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  234.983538][ T4919]  vprintk_emit (kernel/printk/printk.c:2479)
[  234.983540][ T4919]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  234.983542][ T4919]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  234.983544][ T4919]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  234.983547][ T4919]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  234.983550][ T4919]  _printk (kernel/printk/printk.c:2504)
[  234.983553][ T4919]  ? snapshot_read.cold (user.c:?)
[  234.983555][ T4919]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  234.983559][ T4919]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  234.983561][ T4919]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  234.983563][ T4919]  ? netdev_notice (net/core/dev.c:13194)
[  234.983565][ T4919]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  234.983569][ T4919]  ? rtmsg_ifinfo (net/core/rtnetlink.c:4622 net/core/rtnetlink.c:4631)
[  234.983572][ T4919]  ? register_netdevice (net/core/dev.c:11556)
[  234.983575][ T4919]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  234.983577][ T4919]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  234.983578][ T4919]  ? unregister_netdev (net/core/dev.c:12699)
[  234.983580][ T4919]  ? alloc_netdev_mqs (net/core/dev.c:12209)
[  234.983582][ T4919]  netif_set_promiscuity (net/core/dev.c:9699)
[  234.983585][ T4919]  dev_set_promiscuity (net/core/dev_api.c:288)
[  234.983587][ T4919] internal_dev_create (net/openvswitch/vport-internal_dev.c:160) openvswitch
[  234.983595][ T4919] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  234.983599][ T4919] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  234.983604][ T4919] ovs_dp_cmd_new (net/openvswitch/datapath.c:1897) openvswitch
[  234.983608][ T4919]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  234.983612][ T4919]  ? __nla_validate_parse (lib/nlattr.c:635)
[  234.983616][ T4919]  ? __nla_parse (lib/nlattr.c:732)
[  234.983618][ T4919]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  234.983621][ T4919]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  234.983623][ T4919]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  234.983627][ T4919]  ? security_capable (security/security.c:660 (discriminator 11))
[  234.983630][ T4919]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  234.983633][ T4919]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  234.983635][ T4919]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  234.983639][ T4919]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  234.983642][ T4919]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  234.983644][ T4919]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  234.983646][ T4919]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  234.983648][ T4919]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  234.983650][ T4919]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  234.983653][ T4919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.983655][ T4919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.983656][ T4919]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  234.983658][ T4919]  genl_rcv (net/netlink/genetlink.c:1218)
[  234.983660][ T4919]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  234.983662][ T4919]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  234.983664][ T4919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.983666][ T4919]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  234.983668][ T4919]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  234.983670][ T4919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.983672][ T4919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.983674][ T4919]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  234.983677][ T4919]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  234.983680][ T4919]  __sys_sendto (net/socket.c:2281)
[  234.983682][ T4919]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  234.983686][ T4919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.983688][ T4919]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  234.983690][ T4919]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  234.983692][ T4919]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  234.983693][ T4919]  ? 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))
[  234.983695][ T4919]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  234.983696][ T4919]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  234.983699][ T4919]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  234.983701][ T4919]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  234.983703][ T4919] RIP: 0033:0x7f6509c51312
[  234.983705][ T4919] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  234.983707][ T4919] RSP: 002b:00007ffd6d56d8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  234.983714][ T4919] RAX: ffffffffffffffda RBX: 00007ffd6d56da28 RCX: 00007f6509c51312
[  234.983715][ T4919] RDX: 0000000000000034 RSI: 00007f6505841270 RDI: 0000000000000020
[  234.983717][ T4919] RBP: 00007ffd6d56d920 R08: 00007ffd6d56daa0 R09: 000000000000000c
[  234.983718][ T4919] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6507aaa120
[  234.983719][ T4919] R13: 00007ffd6d56da28 R14: 00007f650957001a R15: 00007ffd6d56de18
| [  236.302278][ T4968] softirqs last disabled at (0): 0x0
| [  236.302281][ T4968] Preemption disabled at:
| [  236.302282][ T4968] vprintk_emit (kernel/printk/printk.c:2471)
| [  236.302296][ T4968] Tainted: [W]=WARN
[  236.302298][ T4968] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  236.302300][ T4968] Call Trace:
[  236.302302][ T4968]  <TASK>
[  236.302304][ T4968]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  236.302311][ T4968]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  236.302313][ T4968]  __might_resched.cold (kernel/sched/core.c:9234)
[  236.302318][ T4968]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  236.302323][ T4968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.302327][ T4968]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  236.302331][ T4968]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  236.302334][ T4968]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.302341][ T4968]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  236.302344][ T4968]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.302348][ T4968]  put_chars (drivers/char/virtio_console.c:1176)
[  236.302351][ T4968]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  236.302353][ T4968]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  236.302357][ T4968]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  236.302361][ T4968]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  236.302367][ T4968]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  236.302370][ T4968]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  236.302373][ T4968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.302375][ T4968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.302377][ T4968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.302381][ T4968]  console_emit_next_record (kernel/printk/printk.c:3183)
[  236.302385][ T4968]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  236.302388][ T4968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.302390][ T4968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.302392][ T4968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.302394][ T4968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.302398][ T4968]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  236.302400][ T4968]  console_flush_one_record (kernel/printk/printk.c:3268)
[  236.302404][ T4968]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  236.302409][ T4968]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  236.302412][ T4968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.302414][ T4968]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  236.302417][ T4968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.302419][ T4968]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  236.302422][ T4968]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  236.302424][ T4968]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  236.302427][ T4968]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  236.302430][ T4968]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  236.302433][ T4968]  vprintk_emit (kernel/printk/printk.c:2479)
[  236.302436][ T4968]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  236.302439][ T4968]  _printk (kernel/printk/printk.c:2504)
[  236.302444][ T4968]  ? snapshot_read.cold (user.c:?)
[  236.302446][ T4968]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  236.302450][ T4968]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  236.302456][ T4968]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  236.302458][ T4968]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  236.302463][ T4968]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  236.302466][ T4968]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  236.302469][ T4968]  ? netdev_notice (net/core/dev.c:13194)
[  236.302472][ T4968]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  236.302484][ T4968]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  236.302487][ T4968]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  236.302491][ T4968]  netif_set_promiscuity (net/core/dev.c:9699)
[  236.302495][ T4968]  dev_set_promiscuity (net/core/dev_api.c:288)
[  236.302498][ T4968]  ? dev_disable_lro (net/core/dev_api.c:267)
[  236.302500][ T4968] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  236.302508][ T4968] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  236.302514][ T4968]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  236.302517][ T4968] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  236.302525][ T4968]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  236.302531][ T4968] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  236.302538][ T4968]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  236.302544][ T4968]  ? __nla_validate_parse (lib/nlattr.c:635)
[  236.302550][ T4968]  ? __nla_parse (lib/nlattr.c:732)
[  236.302553][ T4968]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  236.302558][ T4968]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  236.302562][ T4968]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  236.302568][ T4968]  ? security_capable (security/security.c:660 (discriminator 11))
[  236.302572][ T4968]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  236.302576][ T4968]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  236.302579][ T4968]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  236.302586][ T4968]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  236.302589][ T4968]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  236.302593][ T4968]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  236.302597][ T4968]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  236.302599][ T4968]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  236.302602][ T4968]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  236.302607][ T4968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.302610][ T4968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.302612][ T4968]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  236.302615][ T4968]  genl_rcv (net/netlink/genetlink.c:1218)
[  236.302618][ T4968]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  236.302621][ T4968]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  236.302624][ T4968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.302626][ T4968]  ? 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)
[  236.302630][ T4968]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  236.302633][ T4968]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  236.302637][ T4968]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.302640][ T4968]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.302642][ T4968]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  236.302646][ T4968]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  236.302650][ T4968]  __sys_sendto (net/socket.c:2281)
[  236.302654][ T4968]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  236.302662][ T4968]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  236.302665][ T4968]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  236.302669][ T4968]  ? 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))
[  236.302671][ T4968]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  236.302674][ T4968]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  236.302678][ T4968]  ? irq_exit_rcu (kernel/softirq.c:786)
[  236.302682][ T4968]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  236.302686][ T4968] RIP: 0033:0x7f1b86058312
[  236.302689][ T4968] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  236.302691][ T4968] RSP: 002b:00007ffe7db5d928 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  236.302696][ T4968] RAX: ffffffffffffffda RBX: 00007ffe7db5da58 RCX: 00007f1b86058312
[  236.302698][ T4968] RDX: 0000000000000030 RSI: 00007f1b81caa870 RDI: 0000000000000023
[  236.302700][ T4968] RBP: 00007ffe7db5d950 R08: 00007ffe7db5dad0 R09: 000000000000000c
[  236.302702][ T4968] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b83ec22e0
[  236.302704][ T4968] R13: 00007ffe7db5da58 R14: 00007f1b8597701a R15: 00007ffe7db5de48
| [  238.155168][ T5062] softirqs last disabled at (0): 0x0
| [  238.155171][ T5062] Preemption disabled at:
| [  238.155172][ T5062] vprintk_emit (kernel/printk/printk.c:2471)
| [  238.155186][ T5062] Tainted: [W]=WARN
[  238.155187][ T5062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  238.155190][ T5062] Call Trace:
[  238.155192][ T5062]  <TASK>
[  238.155194][ T5062]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  238.155201][ T5062]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  238.155203][ T5062]  __might_resched.cold (kernel/sched/core.c:9234)
[  238.155208][ T5062]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  238.155212][ T5062]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  238.155217][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.155221][ T5062]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  238.155224][ T5062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  238.155229][ T5062]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  238.155235][ T5062]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  238.155238][ T5062]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  238.155242][ T5062]  put_chars (drivers/char/virtio_console.c:1176)
[  238.155245][ T5062]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  238.155254][ T5062]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  238.155259][ T5062]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  238.155266][ T5062]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  238.155269][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.155271][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  238.155275][ T5062]  console_emit_next_record (kernel/printk/printk.c:3183)
[  238.155279][ T5062]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  238.155283][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.155285][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.155287][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.155289][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  238.155292][ T5062]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  238.155295][ T5062]  console_flush_one_record (kernel/printk/printk.c:3268)
[  238.155298][ T5062]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  238.155303][ T5062]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  238.155306][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  238.155308][ T5062]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  238.155311][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.155313][ T5062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  238.155316][ T5062]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  238.155318][ T5062]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  238.155321][ T5062]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  238.155324][ T5062]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  238.155327][ T5062]  vprintk_emit (kernel/printk/printk.c:2479)
[  238.155330][ T5062]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  238.155332][ T5062]  ? 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)
[  238.155335][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.155337][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  238.155341][ T5062]  _printk (kernel/printk/printk.c:2504)
[  238.155345][ T5062]  ? snapshot_read.cold (user.c:?)
[  238.155347][ T5062]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  238.155353][ T5062]  ? idr_get_free (??:?)
[  238.155356][ T5062]  ? ovs_nla_copy_actions (net/openvswitch/flow_netlink.c:2412 net/openvswitch/flow_netlink.c:3623) openvswitch
[  238.155366][ T5062]  ? 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)
[  238.155370][ T5062] ovs_flow_cmd_new.cold (net/openvswitch/datapath.c:1061 (discriminator 4)) openvswitch
[  238.155379][ T5062]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  238.155386][ T5062]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  238.155389][ T5062]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/linux/slab.h:995 net/netlink/genetlink.c:936)
[  238.155394][ T5062]  ? genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  238.155396][ T5062]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  238.155399][ T5062]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  238.155402][ T5062]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  238.155404][ T5062]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  238.155408][ T5062]  ? __sys_sendto (net/socket.c:2281)
[  238.155412][ T5062]  ? __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  238.155422][ T5062]  ? __nla_parse (lib/nlattr.c:732)
[  238.155426][ T5062]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  238.155430][ T5062]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  238.155434][ T5062]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  238.155440][ T5062]  ? security_capable (security/security.c:660 (discriminator 11))
[  238.155444][ T5062]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  238.155447][ T5062]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  238.155451][ T5062]  ? ovs_flow_cmd_del (net/openvswitch/datapath.c:1481 (discriminator 1)) openvswitch
[  238.155458][ T5062]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  238.155462][ T5062]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  238.155465][ T5062]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  238.155469][ T5062]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  238.155472][ T5062]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  238.155475][ T5062]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  238.155479][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  238.155482][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.155485][ T5062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  238.155488][ T5062]  genl_rcv (net/netlink/genetlink.c:1218)
[  238.155491][ T5062]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  238.155494][ T5062]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  238.155498][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.155500][ T5062]  ? 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)
[  238.155503][ T5062]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  238.155507][ T5062]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  238.155510][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  238.155513][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  238.155516][ T5062]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  238.155518][ T5062]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  238.155522][ T5062]  __sys_sendto (net/socket.c:2281)
[  238.155525][ T5062]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  238.155530][ T5062]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[  238.155537][ T5062]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  238.155540][ T5062]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  238.155542][ T5062]  ? 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))
[  238.155545][ T5062]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  238.155547][ T5062]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  238.155551][ T5062]  ? irq_exit_rcu (kernel/softirq.c:786)
[  238.155555][ T5062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  238.155558][ T5062] RIP: 0033:0x7f899ab7b312
[  238.155562][ T5062] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  238.155565][ T5062] RSP: 002b:00007ffd649e1618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  238.155570][ T5062] RAX: ffffffffffffffda RBX: 00007ffd649e1748 RCX: 00007f899ab7b312
[  238.155572][ T5062] RDX: 00000000000000c4 RSI: 00007f89988dd1b0 RDI: 0000000000000026
[  238.155574][ T5062] RBP: 00007ffd649e1640 R08: 00007ffd649e17c0 R09: 000000000000000c
[  238.155575][ T5062] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f89989de430
[  238.155577][ T5062] R13: 00007ffd649e1748 R14: 00007f899a49a01a R15: 00007ffd649e1b38
| [  239.285420][ T5098] softirqs last disabled at (0): 0x0
| [  239.285422][ T5098] Preemption disabled at:
| [  239.285423][ T5098] vprintk_emit (kernel/printk/printk.c:2471)
| [  239.285434][ T5098] Tainted: [W]=WARN
[  239.285435][ T5098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  239.285437][ T5098] Call Trace:
[  239.285439][ T5098]  <TASK>
[  239.285440][ T5098]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  239.285446][ T5098]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  239.285448][ T5098]  __might_resched.cold (kernel/sched/core.c:9234)
[  239.285452][ T5098]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  239.285455][ T5098]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  239.285459][ T5098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.285462][ T5098]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  239.285465][ T5098]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  239.285468][ T5098]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  239.285474][ T5098]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  239.285475][ T5098]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  239.285478][ T5098]  put_chars (drivers/char/virtio_console.c:1176)
[  239.285480][ T5098]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  239.285482][ T5098]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  239.285485][ T5098]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  239.285490][ T5098]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  239.285492][ T5098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.285493][ T5098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.285496][ T5098]  console_emit_next_record (kernel/printk/printk.c:3183)
[  239.285499][ T5098]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  239.285501][ T5098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.285502][ T5098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.285503][ T5098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.285504][ T5098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.285506][ T5098]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  239.285508][ T5098]  console_flush_one_record (kernel/printk/printk.c:3268)
[  239.285511][ T5098]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  239.285513][ T5098]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  239.285515][ T5098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.285517][ T5098]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  239.285519][ T5098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.285520][ T5098]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  239.285522][ T5098]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  239.285523][ T5098]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  239.285525][ T5098]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  239.285527][ T5098]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  239.285529][ T5098]  vprintk_emit (kernel/printk/printk.c:2479)
[  239.285531][ T5098]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  239.285532][ T5098]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  239.285535][ T5098]  _printk (kernel/printk/printk.c:2504)
[  239.285538][ T5098]  ? snapshot_read.cold (user.c:?)
[  239.285540][ T5098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.285541][ T5098]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  239.285545][ T5098]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  239.285547][ T5098]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  239.285549][ T5098]  ? netdev_notice (net/core/dev.c:13194)
[  239.285551][ T5098]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  239.285559][ T5098]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  239.285562][ T5098]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  239.285564][ T5098]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  239.285566][ T5098]  netif_set_promiscuity (net/core/dev.c:9699)
[  239.285571][ T5098]  dev_set_promiscuity (net/core/dev_api.c:288)
[  239.285573][ T5098] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  239.285578][ T5098] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  239.285584][ T5098] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  239.285588][ T5098]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  239.285592][ T5098]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  239.285596][ T5098]  ? security_capable (security/security.c:660 (discriminator 11))
[  239.285599][ T5098]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  239.285602][ T5098]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  239.285604][ T5098]  ? __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
[  239.285607][ T5098]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  239.285610][ T5098]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  239.285614][ T5098]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  239.285616][ T5098]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  239.285618][ T5098]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  239.285620][ T5098]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  239.285623][ T5098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.285625][ T5098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.285626][ T5098]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  239.285628][ T5098]  genl_rcv (net/netlink/genetlink.c:1218)
[  239.285630][ T5098]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  239.285632][ T5098]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  239.285635][ T5098]  ? __futex_wake_mark (kernel/futex/waitwake.c:123 (discriminator 4) kernel/futex/waitwake.c:110 (discriminator 4))
[  239.285638][ T5098]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  239.285640][ T5098]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  239.285642][ T5098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.285644][ T5098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.285646][ T5098]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  239.285648][ T5098]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  239.285651][ T5098]  __sys_sendto (net/socket.c:2281)
[  239.285654][ T5098]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  239.285656][ T5098]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  239.285658][ T5098]  ? do_futex (kernel/futex/syscalls.c:133)
[  239.285660][ T5098]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  239.285662][ T5098]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  239.285666][ T5098]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  239.285668][ T5098]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  239.285671][ T5098]  ? 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))
[  239.285673][ T5098]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  239.285674][ T5098]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  239.285678][ T5098]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  239.285680][ T5098]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  239.285682][ T5098] RIP: 0033:0x7f2c797eb312
[  239.285683][ T5098] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  239.285685][ T5098] RSP: 002b:00007fff37a36ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  239.285689][ T5098] RAX: ffffffffffffffda RBX: 00007fff37a36ff8 RCX: 00007f2c797eb312
[  239.285691][ T5098] RDX: 0000000000000024 RSI: 00007f2c7535e040 RDI: 0000000000000020
[  239.285692][ T5098] RBP: 00007fff37a36ef0 R08: 00007fff37a37070 R09: 000000000000000c
[  239.285693][ T5098] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2c7764e040


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