======================================
| [   10.017935][  T186] softirqs last disabled at (45661): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.017937][  T186] Preemption disabled at:
| [   10.017938][  T186] 0x0
| [   10.017948][  T186] Tainted: [W]=WARN
[   10.017949][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.017951][  T186] Call Trace:
[   10.017953][  T186]  <TASK>
[   10.017954][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.017961][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.017965][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.017970][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.017975][  T186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.017978][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.017983][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.017986][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.017989][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[   10.017992][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.017994][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.017999][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.018003][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.018010][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.018012][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.018014][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.018018][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.018022][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.018023][  T186]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.018027][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.018029][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.018033][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.018037][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.018039][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.018044][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.018047][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.018048][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.018051][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.018054][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.018056][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.018059][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.018063][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.018066][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.018070][  T186]  _printk (kernel/printk/printk.c:2504)
[   10.018074][  T186]  ? snapshot_read.cold (user.c:?)
[   10.018076][  T186]  ? 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)
[   10.018079][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.018083][  T186]  ? 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)
[   10.018085][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.018089][  T186]  ? exit_notify (kernel/exit.c:780)
[   10.018091][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.018094][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.018098][  T186]  do_group_exit (kernel/exit.c:1151)
[   10.018100][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.018102][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.018104][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.018108][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.018111][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.018113][  T186] RIP: 0033:0x7f25f6bbe1b8
[   10.018115][  T186] Code: Unable to access opcode bytes at 0x7f25f6bbe18e.

Code starting with the faulting instruction
===========================================
[   10.018116][  T186] RSP: 002b:00007ffc42313318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.018118][  T186] RAX: ffffffffffffffda RBX: 00007f25f6ceef88 RCX: 00007f25f6bbe1b8
[   10.018120][  T186] RDX: 00007f25f6908fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.018121][  T186] RBP: 00007ffc42313370 R08: 0000000000000000 R09: 0000000000008010
[   10.018122][  T186] R10: 00007ffc42313130 R11: 0000000000000246 R12: 0000000000000001
[   10.018122][  T186] R13: 0000000000000000 R14: 00007f25f6ced680 R15: 00007f25f6ceefa0
| [   11.272522][  T237] softirqs last disabled at (26651): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.272524][  T237] Preemption disabled at:
| [   11.272525][  T237] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.272534][  T237] Tainted: [W]=WARN
[   11.272535][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.272537][  T237] Call Trace:
[   11.272539][  T237]  <TASK>
[   11.272541][  T237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.272546][  T237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.272549][  T237]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.272553][  T237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.272557][  T237]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.272562][  T237]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.272565][  T237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.272571][  T237]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.272574][  T237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.272577][  T237]  put_chars (drivers/char/virtio_console.c:1176)
[   11.272580][  T237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.272581][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.272586][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.272589][  T237]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.272593][  T237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.272596][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.272601][  T237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.272603][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.272609][  T237]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.272613][  T237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.272615][  T237]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.272618][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.272620][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.272624][  T237]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.272628][  T237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.272630][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.272635][  T237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.272637][  T237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.272639][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.272649][  T237]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.272652][  T237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.272654][  T237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.272657][  T237]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.272662][  T237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.272667][  T237]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.272671][  T237]  _printk (kernel/printk/printk.c:2504)
[   11.272675][  T237]  ? snapshot_read.cold (user.c:?)
[   11.272681][  T237]  ? 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)
[   11.272684][  T237] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.272687][  T237]  do_one_initcall (init/main.c:1357)
[   11.272690][  T237]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.272694][  T237]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.272697][  T237]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.272702][  T237]  do_init_module (kernel/module/main.c:3117)
[   11.272706][  T237]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.272710][  T237]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.272713][  T237]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.272717][  T237]  load_module (kernel/module/main.c:3593)
[   11.272725][  T237]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.272728][  T237]  ? __ia32_sys_fsconfig (??:?)
[   11.272731][  T237]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.272736][  T237]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.272738][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.272742][  T237]  init_module_from_file (kernel/module/main.c:3790)
[   11.272745][  T237]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.272753][  T237]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.272757][  T237]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.272760][  T237]  idempotent_init_module (kernel/module/main.c:3802)
[   11.272763][  T237]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.272770][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.272772][  T237]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.272778][  T237]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.272780][  T237]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.272784][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.272786][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.272788][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.272791][  T237] RIP: 0033:0x7efef50cf37d
[   11.272794][  T237] 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
[   11.272796][  T237] RSP: 002b:00007ffc93e9fc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.272799][  T237] RAX: ffffffffffffffda RBX: 000055cb4aa9b810 RCX: 00007efef50cf37d
[   11.272800][  T237] RDX: 0000000000000000 RSI: 000055cb11114ffd RDI: 0000000000000000
[   11.272801][  T237] RBP: 00007ffc93e9fd20 R08: 0000000000000000 R09: 0000000000000000
[   11.272802][  T237] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cb11114ffd
[   11.272803][  T237] R13: 000055cb4aa9b960 R14: 0000000000040000 R15: 0000000000000000
| [   12.533494][  T285] softirqs last disabled at (14166): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.533497][  T285] Preemption disabled at:
| [   12.533497][  T285] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.533506][  T285] Tainted: [W]=WARN
[   12.533507][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.533509][  T285] Call Trace:
[   12.533511][  T285]  <TASK>
[   12.533512][  T285]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.533518][  T285]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.533520][  T285]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.533525][  T285]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.533529][  T285]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.533534][  T285]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.533536][  T285]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.533542][  T285]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.533545][  T285]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.533548][  T285]  put_chars (drivers/char/virtio_console.c:1176)
[   12.533550][  T285]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.533555][  T285]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.533558][  T285]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.533561][  T285]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.533563][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.533564][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.533568][  T285]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.533570][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.533573][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.533577][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.533581][  T285]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.533584][  T285]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.533586][  T285]  ? 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))
[   12.533589][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.533592][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.533595][  T285]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.533599][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.533601][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.533608][  T285]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.533611][  T285]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.533612][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.533615][  T285]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.533618][  T285]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.533620][  T285]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.533623][  T285]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.533627][  T285]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.533630][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.533631][  T285]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.533636][  T285]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.533639][  T285]  _printk (kernel/printk/printk.c:2504)
[   12.533642][  T285]  ? snapshot_read.cold (user.c:?)
[   12.533651][  T285]  ? br_multicast_flood (??:?) bridge
[   12.533665][  T285]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.533666][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.533667][  T285]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.533671][  T285] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.533681][  T285] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.533690][  T285] new_nbp (net/bridge/br_if.c:449) bridge
[   12.533700][  T285] br_add_if (net/bridge/br_if.c:592) bridge
[   12.533708][  T285]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.533712][  T285]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.533715][  T285]  ? __kernel_text_address (kernel/extable.c:79)
[   12.533718][  T285]  do_set_master (net/core/rtnetlink.c:3071)
[   12.533723][  T285]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.533726][  T285]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.533729][  T285]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.533731][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.533733][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.533736][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.533739][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.533741][  T285]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.533743][  T285]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.533746][  T285]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.533748][  T285]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.533750][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.533752][  T285]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.533755][  T285]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.533760][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.533762][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.533764][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.533766][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.533768][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.533769][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.533772][  T285]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.533776][  T285]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.533777][  T285]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.533779][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.533782][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.533784][  T285]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.533789][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.533794][  T285]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.533799][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.533801][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.533805][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.533807][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.533809][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.533811][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.533815][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.533816][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.533819][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.533821][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.533825][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.533827][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.533830][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.533832][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.533835][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.533841][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.533842][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.533846][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.533850][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.533852][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.533856][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.533860][  T285]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.533864][  T285]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.533869][  T285]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.533871][  T285]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.533873][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.533875][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   12.533882][  T285]  ___sys_sendmsg (net/socket.c:2767)
[   12.533888][  T285]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.533903][  T285]  __sys_sendmsg (net/socket.c:2799)
[   12.533906][  T285]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.533912][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.533916][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.533918][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.533921][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.533923][  T285] RIP: 0033:0x7fce8a43e54e
[   12.533927][  T285] 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
[   12.533929][  T285] RSP: 002b:00007fff084e4260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.533931][  T285] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fce8a43e54e
[   12.533933][  T285] RDX: 0000000000000000 RSI: 00007fff084e4310 RDI: 0000000000000005
[   12.533934][  T285] RBP: 00007fff084e4270 R08: 0000000000000000 R09: 0000000000000000
[   12.533935][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912eb4
[   12.533935][  T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff084e49d0
| [   14.015559][  T337] softirqs last disabled at (24848): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.015562][  T337] Preemption disabled at:
| [   14.015562][  T337] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.015572][  T337] Tainted: [W]=WARN
[   14.015573][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.015575][  T337] Call Trace:
[   14.015576][  T337]  <TASK>
[   14.015578][  T337]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.015583][  T337]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.015586][  T337]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.015590][  T337]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.015594][  T337]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.015599][  T337]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.015602][  T337]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.015608][  T337]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.015611][  T337]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.015614][  T337]  put_chars (drivers/char/virtio_console.c:1176)
[   14.015616][  T337]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.015618][  T337]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.015621][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.015625][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.015627][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.015630][  T337]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.015633][  T337]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.015635][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.015637][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.015640][  T337]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.015642][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.015646][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.015654][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.015658][  T337]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.015661][  T337]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.015663][  T337]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.015666][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.015668][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.015672][  T337]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.015676][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.015678][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.015683][  T337]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.015686][  T337]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.015687][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.015690][  T337]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.015693][  T337]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.015695][  T337]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.015698][  T337]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.015702][  T337]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.015705][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.015707][  T337]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.015711][  T337]  _printk (kernel/printk/printk.c:2504)
[   14.015715][  T337]  ? snapshot_read.cold (user.c:?)
[   14.015718][  T337]  ? br_multicast_flood (??:?) bridge
[   14.015731][  T337]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.015733][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.015734][  T337]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.015738][  T337] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.015748][  T337] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.015756][  T337] new_nbp (net/bridge/br_if.c:449) bridge
[   14.015765][  T337] br_add_if (net/bridge/br_if.c:592) bridge
[   14.015772][  T337]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.015776][  T337]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.015779][  T337]  ? __kernel_text_address (kernel/extable.c:79)
[   14.015783][  T337]  do_set_master (net/core/rtnetlink.c:3071)
[   14.015788][  T337]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.015791][  T337]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.015794][  T337]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.015795][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.015797][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.015800][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.015803][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.015804][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.015807][  T337]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.015810][  T337]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.015811][  T337]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.015814][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.015816][  T337]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.015818][  T337]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.015823][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.015825][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.015827][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.015829][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.015831][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.015833][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.015835][  T337]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.015839][  T337]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.015842][  T337]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.015844][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.015847][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.015848][  T337]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.015853][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.015859][  T337]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.015864][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.015865][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.015870][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.015872][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.015874][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.015875][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.015879][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.015881][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.015885][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.015887][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.015891][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.015893][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.015896][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.015898][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.015901][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.015907][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.015908][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.015912][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.015916][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.015918][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.015922][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.015926][  T337]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.015930][  T337]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.015935][  T337]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.015937][  T337]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.015939][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.015941][  T337]  ? move_addr_to_kernel (net/socket.c:258)
[   14.015948][  T337]  ___sys_sendmsg (net/socket.c:2767)
[   14.015951][  T337]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.015966][  T337]  __sys_sendmsg (net/socket.c:2799)
[   14.015968][  T337]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.015974][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.015978][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.015980][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.015983][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.015985][  T337] RIP: 0033:0x7febd967354e
[   14.015989][  T337] 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
[   14.015991][  T337] RSP: 002b:00007ffdfebd38a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.015993][  T337] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007febd967354e
[   14.015995][  T337] RDX: 0000000000000000 RSI: 00007ffdfebd3950 RDI: 0000000000000005
[   14.015996][  T337] RBP: 00007ffdfebd38b0 R08: 0000000000000000 R09: 0000000000000000
[   14.015997][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912eb6
[   14.015997][  T337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfebd4010
| [   15.435942][  T383] softirqs last disabled at (20500): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.435945][  T383] Preemption disabled at:
| [   15.435946][  T383] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.435958][  T383] Tainted: [W]=WARN
[   15.435959][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.435962][  T383] Call Trace:
[   15.435964][  T383]  <TASK>
[   15.435966][  T383]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.435974][  T383]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.435977][  T383]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.435983][  T383]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.435989][  T383]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.435996][  T383]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.435999][  T383]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.436008][  T383]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.436011][  T383]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.436017][  T383]  put_chars (drivers/char/virtio_console.c:1176)
[   15.436020][  T383]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.436023][  T383]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.436028][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.436034][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.436037][  T383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.436043][  T383]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.436047][  T383]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.436050][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.436052][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.436059][  T383]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.436062][  T383]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.436067][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.436071][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.436078][  T383]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.436084][  T383]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.436086][  T383]  ? 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))
[   15.436091][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.436095][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.436102][  T383]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.436109][  T383]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.436111][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.436120][  T383]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.436124][  T383]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.436127][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.436131][  T383]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.436137][  T383]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.436139][  T383]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.436145][  T383]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.436151][  T383]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.436155][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.436159][  T383]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.436165][  T383]  _printk (kernel/printk/printk.c:2504)
[   15.436170][  T383]  ? snapshot_read.cold (user.c:?)
[   15.436177][  T383]  ? br_multicast_flood (??:?) bridge
[   15.436194][  T383]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.436197][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.436199][  T383]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.436206][  T383] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.436224][  T383] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.436238][  T383] new_nbp (net/bridge/br_if.c:449) bridge
[   15.436253][  T383] br_add_if (net/bridge/br_if.c:592) bridge
[   15.436265][  T383]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.436270][  T383]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.436275][  T383]  ? __kernel_text_address (kernel/extable.c:79)
[   15.436281][  T383]  do_set_master (net/core/rtnetlink.c:3071)
[   15.436289][  T383]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.436294][  T383]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.436299][  T383]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.436301][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.436303][  T383]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.436308][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.436312][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.436315][  T383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.436319][  T383]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.436323][  T383]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.436325][  T383]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.436330][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.436332][  T383]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.436337][  T383]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.436343][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.436346][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.436351][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.436354][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.436357][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.436359][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.436363][  T383]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.436368][  T383]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.436372][  T383]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.436376][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.436382][  T383]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.436384][  T383]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.436393][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.436403][  T383]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.436412][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.436415][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.436423][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.436426][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.436429][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.436433][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.436439][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.436442][  T383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.436448][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.436450][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.436458][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.436460][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.436467][  T383]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.436469][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.436474][  T383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.436485][  T383]  ? 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))
[   15.436487][  T383]  ? 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))
[   15.436495][  T383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.436501][  T383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.436505][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.436513][  T383]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.436519][  T383]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.436526][  T383]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.436534][  T383]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.436537][  T383]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.436541][  T383]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.436544][  T383]  ? move_addr_to_kernel (net/socket.c:258)
[   15.436557][  T383]  ___sys_sendmsg (net/socket.c:2767)
[   15.436562][  T383]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.436591][  T383]  __sys_sendmsg (net/socket.c:2799)
[   15.436595][  T383]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.436607][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.436613][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.436616][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.436620][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.436624][  T383] RIP: 0033:0x7f4b2814f54e
[   15.436628][  T383] 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
[   15.436630][  T383] RSP: 002b:00007ffe27cf2450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.436634][  T383] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4b2814f54e
[   15.436636][  T383] RDX: 0000000000000000 RSI: 00007ffe27cf2500 RDI: 0000000000000005
[   15.436637][  T383] RBP: 00007ffe27cf2460 R08: 0000000000000000 R09: 0000000000000000
[   15.436638][  T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912eb7
[   15.436640][  T383] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe27cf2bc0
| [   25.506979][   T12] softirqs last disabled at (37290): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [   25.506986][   T12] Preemption disabled at:
| [   25.506987][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.506999][   T12] Tainted: [W]=WARN
[   25.507000][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.507003][   T12] Workqueue: netns cleanup_net
[   25.507007][   T12] Call Trace:
[   25.507009][   T12]  <TASK>
[   25.507012][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.507020][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.507023][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.507030][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.507036][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.507044][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.507048][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.507057][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.507061][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.507066][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   25.507071][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.507078][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   25.507086][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.507089][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.507092][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.507101][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.507103][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.507109][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.507114][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.507122][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.507128][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.507131][   T12]  ? 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))
[   25.507137][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.507140][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.507148][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.507155][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.507158][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.507168][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.507173][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.507176][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.507180][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.507186][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.507189][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.507195][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.507202][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.507205][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   25.507208][   T12]  ? kthread (kernel/kthread.c:436)
[   25.507211][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   25.507214][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   25.507223][   T12]  _printk (kernel/printk/printk.c:2504)
[   25.507228][   T12]  ? snapshot_read.cold (user.c:?)
[   25.507236][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.507241][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.507248][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.507252][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   25.507260][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.507264][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   25.507269][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   25.507271][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.507274][   T12]  ? 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)
[   25.507280][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   25.507288][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   25.507294][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   25.507318][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   25.507335][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   25.507350][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   25.507356][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.507362][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   25.507364][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.507370][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   25.507378][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   25.507384][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.507391][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.507393][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.507401][   T12]  process_one_work (kernel/workqueue.c:3387)
[   25.507413][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.507418][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.507433][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.507447][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.507450][   T12]  kthread (kernel/kthread.c:436)
[   25.507453][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.507457][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.507462][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.507467][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.507473][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.507478][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


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