======================================
| [    9.301984][  T187] softirqs last disabled at (43206): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.301986][  T187] Preemption disabled at:
| [    9.301987][  T187] 0x0
| [    9.301996][  T187] Tainted: [W]=WARN
[    9.301997][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.301999][  T187] Call Trace:
[    9.302001][  T187]  <TASK>
[    9.302002][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.302009][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.302014][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.302018][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.302023][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.302025][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.302031][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.302033][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.302036][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.302039][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.302041][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.302045][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.302050][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.302057][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.302059][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.302063][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.302067][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.302071][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.302073][  T187]  ? 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))
[    9.302076][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.302078][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.302082][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.302086][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.302088][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.302093][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.302096][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.302097][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.302100][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.302103][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.302105][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.302108][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.302112][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.302115][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.302119][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.302123][  T187]  ? snapshot_read.cold (user.c:?)
[    9.302125][  T187]  ? 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)
[    9.302128][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.302132][  T187]  ? 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)
[    9.302134][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.302138][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.302140][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.302143][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.302147][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.302149][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.302151][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.302153][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.302156][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.302160][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.302162][  T187] RIP: 0033:0x7f8c8fd001b8
[    9.302165][  T187] Code: Unable to access opcode bytes at 0x7f8c8fd0018e.

Code starting with the faulting instruction
===========================================
[    9.302166][  T187] RSP: 002b:00007ffe54eb89d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.302168][  T187] RAX: ffffffffffffffda RBX: 00007f8c8fe30f88 RCX: 00007f8c8fd001b8
[    9.302169][  T187] RDX: 00007f8c8fa4afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.302170][  T187] RBP: 00007ffe54eb8a30 R08: 0000000000000000 R09: 0000000000008010
[    9.302171][  T187] R10: 00007ffe54eb87f0 R11: 0000000000000246 R12: 0000000000000001
[    9.302172][  T187] R13: 0000000000000000 R14: 00007f8c8fe2f680 R15: 00007f8c8fe30fa0
| [   10.382651][  T237] softirqs last disabled at (19835): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.382654][  T237] Preemption disabled at:
| [   10.382654][  T237] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.382664][  T237] Tainted: [W]=WARN
[   10.382665][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.382666][  T237] Call Trace:
[   10.382668][  T237]  <TASK>
[   10.382669][  T237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.382677][  T237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.382680][  T237]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.382684][  T237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.382689][  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)
[   10.382694][  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))
[   10.382696][  T237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.382702][  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)
[   10.382705][  T237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.382708][  T237]  put_chars (drivers/char/virtio_console.c:1176)
[   10.382711][  T237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.382712][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.382717][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.382720][  T237]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.382724][  T237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.382727][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.382732][  T237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.382735][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.382740][  T237]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.382743][  T237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.382745][  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))
[   10.382748][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.382751][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.382755][  T237]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.382759][  T237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.382761][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.382766][  T237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.382769][  T237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.382771][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.382773][  T237]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.382777][  T237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.382779][  T237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.382782][  T237]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.382786][  T237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.382792][  T237]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.382795][  T237]  _printk (kernel/printk/printk.c:2504)
[   10.382799][  T237]  ? snapshot_read.cold (user.c:?)
[   10.382805][  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)
[   10.382809][  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
[   10.382812][  T237]  do_one_initcall (init/main.c:1357)
[   10.382814][  T237]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.382819][  T237]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.382822][  T237]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.382827][  T237]  do_init_module (kernel/module/main.c:3117)
[   10.382831][  T237]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.382835][  T237]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.382838][  T237]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.382842][  T237]  load_module (kernel/module/main.c:3593)
[   10.382850][  T237]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.382853][  T237]  ? __ia32_sys_fsconfig (??:?)
[   10.382856][  T237]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.382860][  T237]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.382864][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.382868][  T237]  init_module_from_file (kernel/module/main.c:3790)
[   10.382871][  T237]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.382879][  T237]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.382882][  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)
[   10.382886][  T237]  idempotent_init_module (kernel/module/main.c:3802)
[   10.382889][  T237]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.382896][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.382898][  T237]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.382904][  T237]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.382906][  T237]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.382910][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.382912][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.382914][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.382917][  T237] RIP: 0033:0x7ff3277a737d
[   10.382920][  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
[   10.382921][  T237] RSP: 002b:00007ffc5957c178 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.382928][  T237] RAX: ffffffffffffffda RBX: 000055c8f6ee2810 RCX: 00007ff3277a737d
[   10.382929][  T237] RDX: 0000000000000000 RSI: 000055c8de132ffd RDI: 0000000000000000
[   10.382930][  T237] RBP: 00007ffc5957c210 R08: 0000000000000000 R09: 0000000000000000
[   10.382931][  T237] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c8de132ffd
[   10.382932][  T237] R13: 000055c8f6ee2960 R14: 0000000000040000 R15: 0000000000000000
| [   11.666388][  T288] softirqs last disabled at (18789): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.666391][  T288] Preemption disabled at:
| [   11.666391][  T288] 0x0
| [   11.666401][  T288] Tainted: [W]=WARN
[   11.666402][  T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.666403][  T288] Call Trace:
[   11.666405][  T288]  <TASK>
[   11.666406][  T288]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.666413][  T288]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.666417][  T288]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.666422][  T288]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.666427][  T288]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.666429][  T288]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.666435][  T288]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.666438][  T288]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.666441][  T288]  put_chars (drivers/char/virtio_console.c:1176)
[   11.666444][  T288]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.666445][  T288]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.666450][  T288]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.666455][  T288]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.666461][  T288]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.666463][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.666466][  T288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.666470][  T288]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.666474][  T288]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.666475][  T288]  ? 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))
[   11.666479][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.666481][  T288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.666485][  T288]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.666489][  T288]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.666491][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.666496][  T288]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.666499][  T288]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.666501][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.666503][  T288]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.666507][  T288]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.666508][  T288]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.666512][  T288]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.666515][  T288]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.666519][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.666523][  T288]  _printk (kernel/printk/printk.c:2504)
[   11.666526][  T288]  ? snapshot_read.cold (user.c:?)
[   11.666529][  T288]  ? 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)
[   11.666532][  T288]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.666535][  T288]  ? 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)
[   11.666538][  T288]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.666542][  T288]  ? exit_notify (kernel/exit.c:780)
[   11.666544][  T288]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.666546][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.666551][  T288]  do_group_exit (kernel/exit.c:1151)
[   11.666553][  T288]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.666555][  T288]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.666557][  T288]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.666560][  T288]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.666563][  T288]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.666566][  T288] RIP: 0033:0x7f7c3eda01b8
[   11.666568][  T288] Code: Unable to access opcode bytes at 0x7f7c3eda018e.

Code starting with the faulting instruction
===========================================
[   11.666569][  T288] RSP: 002b:00007ffc6af45558 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.666571][  T288] RAX: ffffffffffffffda RBX: 00007f7c3eed0f88 RCX: 00007f7c3eda01b8
[   11.666573][  T288] RDX: 00007f7c3eaeafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.666574][  T288] RBP: 00007ffc6af455b0 R08: 0000000000000000 R09: 0000000000000050
[   11.666575][  T288] R10: 00007ffc6af45370 R11: 0000000000000246 R12: 0000000000000001
[   11.666575][  T288] R13: 0000000000000000 R14: 00007f7c3eecf680 R15: 00007f7c3eed0fa0
| [   13.243374][  T352] softirqs last disabled at (11796): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.243376][  T352] Preemption disabled at:
| [   13.243377][  T352] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.243386][  T352] Tainted: [W]=WARN
[   13.243387][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.243389][  T352] Call Trace:
[   13.243391][  T352]  <TASK>
[   13.243392][  T352]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.243398][  T352]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.243401][  T352]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.243405][  T352]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.243410][  T352]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.243415][  T352]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.243417][  T352]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.243423][  T352]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.243426][  T352]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.243429][  T352]  put_chars (drivers/char/virtio_console.c:1176)
[   13.243431][  T352]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.243433][  T352]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.243436][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.243440][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.243443][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.243447][  T352]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.243450][  T352]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.243452][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.243453][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.243457][  T352]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.243459][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.243463][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.243465][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.243469][  T352]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.243473][  T352]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.243475][  T352]  ? 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))
[   13.243478][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.243481][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.243485][  T352]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.243489][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.243491][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.243496][  T352]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.243499][  T352]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.243501][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.243503][  T352]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.243507][  T352]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.243509][  T352]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.243512][  T352]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.243516][  T352]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.243519][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.243521][  T352]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.243525][  T352]  _printk (kernel/printk/printk.c:2504)
[   13.243529][  T352]  ? snapshot_read.cold (user.c:?)
[   13.243533][  T352]  ? br_multicast_flood (??:?) bridge
[   13.243546][  T352]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.243547][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.243549][  T352]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.243553][  T352] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.243564][  T352] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.243572][  T352] new_nbp (net/bridge/br_if.c:449) bridge
[   13.243581][  T352] br_add_if (net/bridge/br_if.c:592) bridge
[   13.243589][  T352]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.243593][  T352]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.243596][  T352]  ? __kernel_text_address (kernel/extable.c:79)
[   13.243600][  T352]  do_set_master (net/core/rtnetlink.c:3071)
[   13.243605][  T352]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.243608][  T352]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.243611][  T352]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.243612][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.243614][  T352]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.243618][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.243621][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.243622][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.243625][  T352]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.243628][  T352]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.243630][  T352]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.243633][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.243634][  T352]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.243637][  T352]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.243642][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.243644][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.243646][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.243649][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.243650][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.243652][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.243655][  T352]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.243658][  T352]  ? __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)
[   13.243661][  T352]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.243664][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.243667][  T352]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.243669][  T352]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.243676][  T352]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.243682][  T352]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.243687][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.243689][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.243693][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.243695][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.243697][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.243699][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.243703][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.243705][  T352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.243708][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.243709][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.243714][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.243716][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.243719][  T352]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.243721][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.243724][  T352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.243730][  T352]  ? 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))
[   13.243732][  T352]  ? 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))
[   13.243736][  T352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.243740][  T352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.243742][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.243747][  T352]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.243750][  T352]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.243754][  T352]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.243759][  T352]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.243762][  T352]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.243764][  T352]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.243766][  T352]  ? move_addr_to_kernel (net/socket.c:258)
[   13.243773][  T352]  ___sys_sendmsg (net/socket.c:2767)
[   13.243776][  T352]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.243791][  T352]  __sys_sendmsg (net/socket.c:2799)
[   13.243794][  T352]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.243801][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.243804][  T352]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.243807][  T352]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.243810][  T352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.243812][  T352] RIP: 0033:0x7f148f6dc54e
[   13.243816][  T352] 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
[   13.243817][  T352] RSP: 002b:00007ffe15f999f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.243820][  T352] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f148f6dc54e
[   13.243821][  T352] RDX: 0000000000000000 RSI: 00007ffe15f99aa0 RDI: 0000000000000005
[   13.243822][  T352] RBP: 00007ffe15f99a00 R08: 0000000000000000 R09: 0000000000000000
[   13.243823][  T352] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912996
[   13.243824][  T352] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe15f9a160
| [   14.726062][  T408] softirqs last disabled at (17172): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.726064][  T408] Preemption disabled at:
| [   14.726065][  T408] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.726074][  T408] Tainted: [W]=WARN
[   14.726075][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.726077][  T408] Call Trace:
[   14.726079][  T408]  <TASK>
[   14.726080][  T408]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.726086][  T408]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.726089][  T408]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.726093][  T408]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.726098][  T408]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.726103][  T408]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.726106][  T408]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.726112][  T408]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.726114][  T408]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.726118][  T408]  put_chars (drivers/char/virtio_console.c:1176)
[   14.726120][  T408]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.726122][  T408]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.726125][  T408]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.726129][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.726132][  T408]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.726136][  T408]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.726139][  T408]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.726141][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.726142][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.726146][  T408]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.726148][  T408]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.726152][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.726154][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.726158][  T408]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.726163][  T408]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.726164][  T408]  ? 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))
[   14.726168][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.726170][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.726174][  T408]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.726179][  T408]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.726181][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.726186][  T408]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.726189][  T408]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.726191][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.726193][  T408]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.726197][  T408]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.726199][  T408]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.726203][  T408]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.726207][  T408]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.726210][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.726212][  T408]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.726216][  T408]  _printk (kernel/printk/printk.c:2504)
[   14.726220][  T408]  ? snapshot_read.cold (user.c:?)
[   14.726224][  T408]  ? br_multicast_flood (??:?) bridge
[   14.726237][  T408]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.726238][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.726239][  T408]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.726244][  T408] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.726255][  T408] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.726264][  T408] new_nbp (net/bridge/br_if.c:449) bridge
[   14.726273][  T408] br_add_if (net/bridge/br_if.c:592) bridge
[   14.726280][  T408]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.726284][  T408]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.726288][  T408]  ? __kernel_text_address (kernel/extable.c:79)
[   14.726292][  T408]  do_set_master (net/core/rtnetlink.c:3071)
[   14.726296][  T408]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.726300][  T408]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.726303][  T408]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.726304][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.726306][  T408]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.726310][  T408]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.726313][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.726315][  T408]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.726317][  T408]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.726320][  T408]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.726322][  T408]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.726325][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.726327][  T408]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.726330][  T408]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.726334][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.726336][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.726339][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.726341][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.726343][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.726345][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.726347][  T408]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.726351][  T408]  ? __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)
[   14.726354][  T408]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.726356][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.726360][  T408]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.726361][  T408]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.726367][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.726372][  T408]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.726377][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.726379][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.726384][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.726386][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.726388][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.726390][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.726393][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.726395][  T408]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.726398][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.726400][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.726404][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.726406][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.726410][  T408]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.726412][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.726415][  T408]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.726421][  T408]  ? 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))
[   14.726422][  T408]  ? 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))
[   14.726427][  T408]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.726431][  T408]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.726433][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.726437][  T408]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.726441][  T408]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.726445][  T408]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.726451][  T408]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.726453][  T408]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.726456][  T408]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.726457][  T408]  ? move_addr_to_kernel (net/socket.c:258)
[   14.726465][  T408]  ___sys_sendmsg (net/socket.c:2767)
[   14.726468][  T408]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.726484][  T408]  __sys_sendmsg (net/socket.c:2799)
[   14.726486][  T408]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.726493][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.726496][  T408]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.726499][  T408]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.726502][  T408]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.726505][  T408] RIP: 0033:0x7f384972954e
[   14.726508][  T408] 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
[   14.726510][  T408] RSP: 002b:00007ffe4e2b3f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.726513][  T408] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f384972954e
[   14.726515][  T408] RDX: 0000000000000000 RSI: 00007ffe4e2b4030 RDI: 0000000000000005
[   14.726516][  T408] RBP: 00007ffe4e2b3f90 R08: 0000000000000000 R09: 0000000000000000
[   14.726516][  T408] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912998
[   14.726517][  T408] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4e2b46f0
| [   23.625078][  T519] softirqs last disabled at (21651): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.625081][  T519] Preemption disabled at:
| [   23.625081][  T519] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.625090][  T519] Tainted: [W]=WARN
[   23.625091][  T519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.625092][  T519] Call Trace:
[   23.625094][  T519]  <TASK>
[   23.625095][  T519]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.625101][  T519]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.625103][  T519]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.625108][  T519]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.625112][  T519]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.625117][  T519]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.625119][  T519]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.625125][  T519]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.625128][  T519]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.625131][  T519]  put_chars (drivers/char/virtio_console.c:1176)
[   23.625133][  T519]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   23.625135][  T519]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.625138][  T519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.625142][  T519]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.625146][  T519]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.625149][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.625150][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.625155][  T519]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.625156][  T519]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   23.625159][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.625163][  T519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.625166][  T519]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.625170][  T519]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.625172][  T519]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   23.625175][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.625178][  T519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.625182][  T519]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.625186][  T519]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.625188][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.625193][  T519]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.625196][  T519]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.625197][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.625200][  T519]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.625203][  T519]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.625205][  T519]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.625209][  T519]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.625213][  T519]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.625218][  T519]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   23.625222][  T519]  _printk (kernel/printk/printk.c:2504)
[   23.625225][  T519]  ? snapshot_read.cold (user.c:?)
[   23.625232][  T519]  ? 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)
[   23.625235][  T519] gact_init_module (net/sched/act_gact.c:180) act_gact
[   23.625237][  T519]  do_one_initcall (init/main.c:1357)
[   23.625240][  T519]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   23.625244][  T519]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   23.625248][  T519]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   23.625252][  T519]  do_init_module (kernel/module/main.c:3117)
[   23.625256][  T519]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.625261][  T519]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   23.625264][  T519]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   23.625268][  T519]  load_module (kernel/module/main.c:3593)
[   23.625276][  T519]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   23.625279][  T519]  ? __ia32_sys_fsconfig (??:?)
[   23.625282][  T519]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   23.625286][  T519]  ? backing_file_read_iter (fs/backing-file.c:211)
[   23.625289][  T519]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.625294][  T519]  init_module_from_file (kernel/module/main.c:3790)
[   23.625297][  T519]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   23.625305][  T519]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.625309][  T519]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.625312][  T519]  idempotent_init_module (kernel/module/main.c:3802)
[   23.625315][  T519]  ? init_module_from_file (kernel/module/main.c:3791)
[   23.625322][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.625324][  T519]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   23.625330][  T519]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   23.625332][  T519]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.625336][  T519]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.625338][  T519]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.625340][  T519]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.625343][  T519] RIP: 0033:0x7ff01613f37d
[   23.625346][  T519] 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
[   23.625347][  T519] RSP: 002b:00007fff3c0764c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   23.625350][  T519] RAX: ffffffffffffffda RBX: 000055e92b6fb810 RCX: 00007ff01613f37d
[   23.625352][  T519] RDX: 0000000000000000 RSI: 000055e8f7e59ffd RDI: 0000000000000000
[   23.625353][  T519] RBP: 00007fff3c076560 R08: 0000000000000000 R09: 0000000000000000
[   23.625353][  T519] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e8f7e59ffd
[   23.625354][  T519] R13: 000055e92b6fb960 R14: 0000000000040000 R15: 0000000000000000
| [   26.998756][    C2] softirqs last disabled at (931505): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.998758][    C2] Preemption disabled at:
| [   26.998759][    C2] 0x0
| [   26.998769][    C2] Tainted: [W]=WARN
[   26.998769][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.998771][    C2] Call Trace:
[   26.998773][    C2]  <IRQ>
[   26.998774][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.998780][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.998784][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.998787][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.998790][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998794][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.998797][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.998799][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.998803][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.998805][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.998807][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   26.998808][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.998810][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.998814][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.998817][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.998818][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998820][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.998822][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.998825][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.998827][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998828][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998830][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.998832][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.998833][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.998836][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.998839][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.998840][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.998842][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.998844][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998845][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.998846][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.998848][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.998850][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.998852][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.998855][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.998857][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.998868][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.998870][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.998876][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.998882][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   26.998886][    C2]  _printk (kernel/printk/printk.c:2504)
[   26.998889][    C2]  ? snapshot_read.cold (user.c:?)
[   26.998891][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.998896][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.998898][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.998899][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.998902][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.998905][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.998907][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.998908][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.998911][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.998912][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.998919][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998921][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.998922][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.998929][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.998930][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.998937][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.998943][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.998949][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.998952][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.998954][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.998958][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.998959][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.998961][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998963][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.998965][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.998972][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.998974][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.998977][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.998979][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.998981][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.998983][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.998985][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998987][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.998989][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.998990][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.998992][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.998994][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.998995][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.998998][    C2]  </IRQ>
[   26.998999][    C2]  <TASK>
[   26.998999][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.999001][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.999003][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.999006][    C2] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  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
[   26.999008][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   26.999011][    C2] RAX: 00000000000e36af RBX: ff11000001bec6c0 RCX: ffffffff954f0307
[   26.999012][    C2] RDX: ff11000001bec6c0 RSI: ffffffff98238b01 RDI: ffffffff97c8d8e0
[   26.999013][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.999014][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   26.999015][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.999016][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.999019][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.999021][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   26.999023][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.999025][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   26.999032][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.999035][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.999037][    C2]  do_idle (kernel/sched/idle.c:355)
[   26.999039][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.999040][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.999042][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.999044][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.057810][    C2]
| [   27.057876][    C2]
| [   27.057876][    C2] stack backtrace:
| [   27.058096][    C2] Tainted: [W]=WARN
[   27.058097][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.058098][    C2] Call Trace:
[   27.058099][    C2]  <IRQ>
[   27.058100][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.058105][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.058108][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.058111][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.058113][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.058114][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.058117][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.058118][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.058125][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.058129][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.058131][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.058137][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.058139][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.058145][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.058151][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.058158][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.058160][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.058161][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.058165][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.058167][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.058169][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.058171][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.058173][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.058179][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.058181][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.058184][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.058186][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.058188][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.058190][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.058192][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.058194][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.058196][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.058198][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.058199][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.058201][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.058202][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.058204][    C2]  </IRQ>
[   27.058205][    C2]  <TASK>
[   27.058205][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.058207][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.058209][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.058211][    C2] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  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
[   27.058212][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.058215][    C2] RAX: 00000000000e36af RBX: ff11000001bec6c0 RCX: ffffffff954f0307
[   27.058216][    C2] RDX: ff11000001bec6c0 RSI: ffffffff98238b01 RDI: ffffffff97c8d8e0
[   27.058217][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.058218][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.058219][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.058220][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.058223][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.058224][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.058226][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.058228][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.058229][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.058231][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.058233][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.058235][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.058236][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.058238][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.058239][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  110.108060][   T12] softirqs last disabled at (44624): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  110.108063][   T12] Preemption disabled at:
| [  110.108063][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  110.108075][   T12] Tainted: [W]=WARN
[  110.108076][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.108078][   T12] Workqueue: netns cleanup_net
[  110.108084][   T12] Call Trace:
[  110.108086][   T12]  <TASK>
[  110.108087][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  110.108093][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  110.108095][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  110.108099][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  110.108102][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.108106][   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))
[  110.108110][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.108112][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.108116][   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)
[  110.108118][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.108120][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  110.108121][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  110.108123][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  110.108125][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  110.108127][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  110.108130][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  110.108132][   T12]  ? 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)
[  110.108133][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.108135][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.108136][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.108138][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.108140][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  110.108143][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  110.108145][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.108146][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.108148][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.108150][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.108151][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  110.108153][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  110.108155][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  110.108158][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  110.108160][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.108161][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  110.108163][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.108165][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  110.108166][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  110.108167][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  110.108169][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  110.108171][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  110.108173][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  110.108175][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  110.108177][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[  110.108180][   T12]  ? kthread (kernel/kthread.c:436)
[  110.108182][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  110.108185][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  110.108187][   T12]  _printk (kernel/printk/printk.c:2504)
[  110.108190][   T12]  ? snapshot_read.cold (user.c:?)
[  110.108192][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  110.108195][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  110.108197][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  110.108199][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  110.108201][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.108202][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  110.108204][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  110.108206][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  110.108208][   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)
[  110.108210][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  110.108213][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  110.108216][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  110.108229][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[  110.108236][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[  110.108243][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  110.108246][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[  110.108248][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.108251][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  110.108253][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.108255][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.108256][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.108258][   T12]  process_one_work (kernel/workqueue.c:3387)
[  110.108261][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  110.108263][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.108266][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  110.108269][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  110.108270][   T12]  kthread (kernel/kthread.c:436)
[  110.108272][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.108273][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  110.108275][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.108276][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  110.108278][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.108281][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars