======================================
| [   10.593215][  T183] softirqs last disabled at (22889): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.593217][  T183] Preemption disabled at:
| [   10.593218][  T183] 0x0
| [   10.593230][  T183] Tainted: [W]=WARN
[   10.593231][  T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.593232][  T183] Call Trace:
[   10.593234][  T183]  <TASK>
[   10.593236][  T183]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.593242][  T183]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.593247][  T183]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.593250][  T183]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.593256][  T183]  __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))
[   10.593258][  T183]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.593265][  T183]  ? 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)
[   10.593269][  T183]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.593272][  T183]  put_chars (drivers/char/virtio_console.c:1176)
[   10.593276][  T183]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.593283][  T183]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.593290][  T183]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.593293][  T183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.593298][  T183]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.593302][  T183]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.593303][  T183]  ? 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))
[   10.593306][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.593310][  T183]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.593315][  T183]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.593319][  T183]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.593320][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.593326][  T183]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.593328][  T183]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.593330][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.593332][  T183]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.593336][  T183]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.593338][  T183]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.593342][  T183]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.593345][  T183]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.593348][  T183]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.593353][  T183]  _printk (kernel/printk/printk.c:2504)
[   10.593356][  T183]  ? snapshot_read.cold (user.c:?)
[   10.593359][  T183]  ? 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)
[   10.593362][  T183]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.593367][  T183]  ? 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)
[   10.593370][  T183]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.593374][  T183]  ? exit_notify (kernel/exit.c:780)
[   10.593376][  T183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.593379][  T183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.593383][  T183]  do_group_exit (kernel/exit.c:1151)
[   10.593386][  T183]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.593389][  T183]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.593392][  T183]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.593396][  T183]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.593399][  T183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.593402][  T183] RIP: 0033:0x7ffb564fc1b8
[   10.593404][  T183] Code: Unable to access opcode bytes at 0x7ffb564fc18e.

Code starting with the faulting instruction
===========================================
[   10.593405][  T183] RSP: 002b:00007ffc5b030a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.593407][  T183] RAX: ffffffffffffffda RBX: 00007ffb5662cf88 RCX: 00007ffb564fc1b8
[   10.593409][  T183] RDX: 00007ffb56246fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.593410][  T183] RBP: 00007ffc5b030a80 R08: 0000000000000000 R09: 0000000000000050
[   10.593411][  T183] R10: 00007ffc5b030840 R11: 0000000000000246 R12: 0000000000000001
[   10.593412][  T183] R13: 0000000000000000 R14: 00007ffb5662b680 R15: 00007ffb5662cfa0
| [   20.157771][  T558] softirqs last disabled at (29329): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.157774][  T558] Preemption disabled at:
| [   20.157775][  T558] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.157784][  T558] Tainted: [W]=WARN
[   20.157785][  T558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.157787][  T558] Call Trace:
[   20.157789][  T558]  <TASK>
[   20.157790][  T558]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.157795][  T558]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.157797][  T558]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.157801][  T558]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.157804][  T558]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.157809][  T558]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.157812][  T558]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.157818][  T558]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.157821][  T558]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.157825][  T558]  put_chars (drivers/char/virtio_console.c:1176)
[   20.157828][  T558]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.157831][  T558]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.157837][  T558]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.157844][  T558]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.157847][  T558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.157850][  T558]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.157855][  T558]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.157858][  T558]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.157860][  T558]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   20.157862][  T558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.157864][  T558]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.157868][  T558]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.157872][  T558]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.157874][  T558]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.157879][  T558]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.157882][  T558]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.157883][  T558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.157885][  T558]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.157889][  T558]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.157891][  T558]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.157894][  T558]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.157898][  T558]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.157903][  T558]  ? ipip_fini (net/ipv4/ipip.c:441 (discriminator 1)) ipip
[   20.157906][  T558]  _printk (kernel/printk/printk.c:2504)
[   20.157910][  T558]  ? snapshot_read.cold (user.c:?)
[   20.157916][  T558]  ? 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)
[   20.157920][  T558] ipip_init (net/ipv4/ipip.c:438) ipip
[   20.157923][  T558]  do_one_initcall (init/main.c:1357)
[   20.157926][  T558]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   20.157931][  T558]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   20.157933][  T558]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   20.157938][  T558]  do_init_module (kernel/module/main.c:3117)
[   20.157942][  T558]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.157947][  T558]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   20.157949][  T558]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   20.157954][  T558]  load_module (kernel/module/main.c:3593)
[   20.157961][  T558]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   20.157964][  T558]  ? __ia32_sys_fsconfig (??:?)
[   20.157967][  T558]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   20.157972][  T558]  ? backing_file_read_iter (fs/backing-file.c:211)
[   20.157975][  T558]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.157979][  T558]  init_module_from_file (kernel/module/main.c:3790)
[   20.157982][  T558]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   20.157990][  T558]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.157994][  T558]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.157997][  T558]  idempotent_init_module (kernel/module/main.c:3802)
[   20.158000][  T558]  ? init_module_from_file (kernel/module/main.c:3791)
[   20.158006][  T558]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.158008][  T558]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.158014][  T558]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   20.158015][  T558]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.158021][  T558]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.158023][  T558]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.158027][  T558]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.158029][  T558] RIP: 0033:0x7f2a017ea37d
[   20.158032][  T558] 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
[   20.158034][  T558] RSP: 002b:00007ffc147e5428 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   20.158037][  T558] RAX: ffffffffffffffda RBX: 000055fe0af87810 RCX: 00007f2a017ea37d
[   20.158038][  T558] RDX: 0000000000000000 RSI: 000055fdf76b2ffd RDI: 0000000000000002
[   20.158039][  T558] RBP: 00007ffc147e54c0 R08: 0000000000000000 R09: 0000000000000000
[   20.158040][  T558] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fdf76b2ffd
[   20.158041][  T558] R13: 000055fe0af879b0 R14: 0000000000040000 R15: 0000000000000000
| [   22.689806][  T657] softirqs last disabled at (26467): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   22.689808][  T657] Preemption disabled at:
| [   22.689809][  T657] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.689818][  T657] Tainted: [W]=WARN
[   22.689819][  T657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.689821][  T657] Call Trace:
[   22.689823][  T657]  <TASK>
[   22.689825][  T657]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.689829][  T657]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.689831][  T657]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.689835][  T657]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.689838][  T657]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.689844][  T657]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.689846][  T657]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.689853][  T657]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.689856][  T657]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.689859][  T657]  put_chars (drivers/char/virtio_console.c:1176)
[   22.689862][  T657]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.689866][  T657]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.689871][  T657]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.689878][  T657]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.689881][  T657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.689884][  T657]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.689888][  T657]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.689892][  T657]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.689893][  T657]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.689896][  T657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.689898][  T657]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.689902][  T657]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.689906][  T657]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.689907][  T657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.689913][  T657]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.689915][  T657]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.689917][  T657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.689919][  T657]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.689923][  T657]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.689925][  T657]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.689928][  T657]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.689931][  T657]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.689937][  T657]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   22.689940][  T657]  _printk (kernel/printk/printk.c:2504)
[   22.689944][  T657]  ? snapshot_read.cold (user.c:?)
[   22.689950][  T657]  ? 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)
[   22.689954][  T657] 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
[   22.689957][  T657]  do_one_initcall (init/main.c:1357)
[   22.689960][  T657]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   22.689965][  T657]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   22.689968][  T657]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   22.689973][  T657]  do_init_module (kernel/module/main.c:3117)
[   22.689976][  T657]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.689981][  T657]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   22.689984][  T657]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   22.689988][  T657]  load_module (kernel/module/main.c:3593)
[   22.689995][  T657]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   22.689999][  T657]  ? __ia32_sys_fsconfig (??:?)
[   22.690002][  T657]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.690005][  T657]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.690009][  T657]  init_module_from_file (kernel/module/main.c:3790)
[   22.690012][  T657]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   22.690022][  T657]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   22.690026][  T657]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.690029][  T657]  idempotent_init_module (kernel/module/main.c:3802)
[   22.690032][  T657]  ? init_module_from_file (kernel/module/main.c:3791)
[   22.690038][  T657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.690040][  T657]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   22.690046][  T657]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   22.690048][  T657]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.690052][  T657]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.690054][  T657]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.690057][  T657]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.690059][  T657] RIP: 0033:0x7f6fa352837d
[   22.690063][  T657] 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
[   22.690065][  T657] RSP: 002b:00007ffe088e37c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   22.690067][  T657] RAX: ffffffffffffffda RBX: 00005608674e9810 RCX: 00007f6fa352837d
[   22.690069][  T657] RDX: 0000000000000000 RSI: 000056083266affd RDI: 0000000000000000
[   22.690069][  T657] RBP: 00007ffe088e3860 R08: 0000000000000000 R09: 0000000000000000
[   22.690070][  T657] R10: 0000000000000000 R11: 0000000000000246 R12: 000056083266affd
[   22.690071][  T657] R13: 00005608674e9960 R14: 0000000000040000 R15: 0000000000000000
| [   25.687266][  T767] softirqs last disabled at (76496): llc_sap_open (./include/linux/spinlock.h:353 net/llc/llc_core.c:93) llc
| [   25.687269][  T767] Preemption disabled at:
| [   25.687270][  T767] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.687279][  T767] Tainted: [W]=WARN
[   25.687280][  T767] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.687282][  T767] Call Trace:
[   25.687283][  T767]  <TASK>
[   25.687285][  T767]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.687289][  T767]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.687291][  T767]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.687295][  T767]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.687299][  T767]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.687304][  T767]  __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))
[   25.687306][  T767]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.687313][  T767]  ? 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)
[   25.687316][  T767]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.687319][  T767]  put_chars (drivers/char/virtio_console.c:1176)
[   25.687322][  T767]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.687325][  T767]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.687331][  T767]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.687337][  T767]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.687340][  T767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.687343][  T767]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.687348][  T767]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.687351][  T767]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.687352][  T767]  ? 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))
[   25.687355][  T767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.687357][  T767]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.687361][  T767]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.687365][  T767]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.687366][  T767]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.687372][  T767]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.687374][  T767]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.687376][  T767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.687377][  T767]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.687381][  T767]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.687383][  T767]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.687386][  T767]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.687390][  T767]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.687391][  T767]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.687394][  T767]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.687398][  T767]  ? 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
[   25.687400][  T767]  _printk (kernel/printk/printk.c:2504)
[   25.687404][  T767]  ? snapshot_read.cold (user.c:?)
[   25.687406][  T767]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   25.687411][  T767]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   25.687415][  T767]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   25.687418][  T767] br_init (bridge.mod.c:?) bridge
[   25.687434][  T767]  do_one_initcall (init/main.c:1357)
[   25.687437][  T767]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   25.687442][  T767]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   25.687444][  T767]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   25.687449][  T767]  do_init_module (kernel/module/main.c:3117)
[   25.687453][  T767]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.687456][  T767]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   25.687459][  T767]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   25.687463][  T767]  load_module (kernel/module/main.c:3593)
[   25.687470][  T767]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   25.687475][  T767]  ? backing_file_read_iter (fs/backing-file.c:211)
[   25.687479][  T767]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.687483][  T767]  init_module_from_file (kernel/module/main.c:3790)
[   25.687486][  T767]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   25.687494][  T767]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.687498][  T767]  ? 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)
[   25.687501][  T767]  idempotent_init_module (kernel/module/main.c:3802)
[   25.687504][  T767]  ? init_module_from_file (kernel/module/main.c:3791)
[   25.687510][  T767]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.687512][  T767]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   25.687517][  T767]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   25.687519][  T767]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.687523][  T767]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.687525][  T767]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.687528][  T767]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.687530][  T767] RIP: 0033:0x7f805764a37d
[   25.687533][  T767] 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
[   25.687535][  T767] RSP: 002b:00007ffe5eb6b258 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   25.687538][  T767] RAX: ffffffffffffffda RBX: 000055a8649d4810 RCX: 00007f805764a37d
[   25.687539][  T767] RDX: 0000000000000000 RSI: 000055a841af4ffd RDI: 0000000000000002
[   25.687540][  T767] RBP: 00007ffe5eb6b2f0 R08: 0000000000000000 R09: 0000000000000000
[   25.687541][  T767] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a841af4ffd
[   25.687542][  T767] R13: 000055a8649d49c0 R14: 0000000000040000 R15: 0000000000000000
| [   29.889693][  T893] softirqs last disabled at (26340): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   29.889696][  T893] Preemption disabled at:
| [   29.889696][  T893] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.889706][  T893] Tainted: [W]=WARN
[   29.889707][  T893] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.889709][  T893] Call Trace:
[   29.889710][  T893]  <TASK>
[   29.889712][  T893]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.889717][  T893]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.889719][  T893]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.889724][  T893]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.889727][  T893]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.889732][  T893]  __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))
[   29.889735][  T893]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.889742][  T893]  ? 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)
[   29.889745][  T893]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.889748][  T893]  put_chars (drivers/char/virtio_console.c:1176)
[   29.889750][  T893]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   29.889753][  T893]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.889756][  T893]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.889760][  T893]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.889763][  T893]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.889768][  T893]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.889771][  T893]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.889773][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.889775][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.889787][  T893]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.889790][  T893]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.889793][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.889796][  T893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.889800][  T893]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.889804][  T893]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.889805][  T893]  ? 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))
[   29.889808][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.889810][  T893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.889814][  T893]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.889818][  T893]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.889819][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.889825][  T893]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.889827][  T893]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.889829][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.889830][  T893]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.889834][  T893]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.889836][  T893]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.889839][  T893]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.889843][  T893]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.889844][  T893]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.889846][  T893]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.889849][  T893]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.889851][  T893]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.889852][  T893]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.889855][  T893]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.889856][  T893]  ? __sys_sendmsg (net/socket.c:2799)
[   29.889860][  T893]  _printk (kernel/printk/printk.c:2504)
[   29.889864][  T893]  ? snapshot_read.cold (user.c:?)
[   29.889869][  T893]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.889872][  T893]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.889876][  T893]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.889879][  T893]  ? netdev_notice (net/core/dev.c:13194)
[   29.889884][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.889886][  T893]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   29.889888][  T893]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   29.889891][  T893]  ? 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)
[   29.889894][  T893]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   29.889899][  T893]  dev_set_allmulti (net/core/dev_api.c:315)
[   29.889903][  T893] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   29.889920][  T893] br_del_if (net/bridge/br_if.c:732) bridge
[   29.889928][  T893]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.889932][  T893]  do_set_master (net/core/rtnetlink.c:3055)
[   29.889937][  T893]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   29.889940][  T893]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.889944][  T893]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.889945][  T893]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.889947][  T893]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.889952][  T893]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.889954][  T893]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.889956][  T893]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.889959][  T893]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.889962][  T893]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.889964][  T893]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.889966][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.889969][  T893]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   29.889971][  T893]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   29.889974][  T893]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.889976][  T893]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.889979][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.889981][  T893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.889983][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.889984][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.889986][  T893]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.889988][  T893]  ? __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)
[   29.889992][  T893]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.889994][  T893]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.889998][  T893]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.890000][  T893]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.890006][  T893]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.890011][  T893]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.890019][  T893]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.890021][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.890026][  T893]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.890028][  T893]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.890031][  T893]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.890033][  T893]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.890037][  T893]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.890039][  T893]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.890042][  T893]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.890043][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.890048][  T893]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.890050][  T893]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.890054][  T893]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.890056][  T893]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.890059][  T893]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.890065][  T893]  ? 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))
[   29.890066][  T893]  ? 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))
[   29.890071][  T893]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.890075][  T893]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.890078][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   29.890082][  T893]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.890086][  T893]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.890087][  T893]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.890090][  T893]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.890094][  T893]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.890099][  T893]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.890101][  T893]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.890103][  T893]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.890105][  T893]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   29.890112][  T893]  ___sys_sendmsg (net/socket.c:2767)
[   29.890115][  T893]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.890132][  T893]  __sys_sendmsg (net/socket.c:2799)
[   29.890135][  T893]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.890141][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.890145][  T893]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.890147][  T893]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.890152][  T893]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.890155][  T893] RIP: 0033:0x7fe54d6a854e
[   29.890160][  T893] 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
[   29.890162][  T893] RSP: 002b:00007ffe419572c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.890165][  T893] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe54d6a854e
[   29.890167][  T893] RDX: 0000000000000000 RSI: 00007ffe41957370 RDI: 0000000000000005
[   29.890168][  T893] RBP: 00007ffe419572d0 R08: 0000000000000000 R09: 0000000000000000
[   29.890169][  T893] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d66d
[   29.890170][  T893] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe41957a40
| [   31.295273][   T10] softirqs last disabled at (42984): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   31.295281][   T10] Preemption disabled at:
| [   31.295282][   T10] 0x0
| [   31.295292][   T10] Tainted: [W]=WARN
[   31.295293][   T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.295295][   T10] Workqueue: events netdev_work_proc
[   31.295298][   T10] Call Trace:
[   31.295300][   T10]  <TASK>
[   31.295301][   T10]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.295307][   T10]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.295312][   T10]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.295316][   T10]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.295321][   T10]  __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))
[   31.295324][   T10]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.295330][   T10]  ? 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)
[   31.295333][   T10]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.295336][   T10]  put_chars (drivers/char/virtio_console.c:1176)
[   31.295339][   T10]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.295346][   T10]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.295354][   T10]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.295357][   T10]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.295362][   T10]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.295366][   T10]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.295367][   T10]  ? 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))
[   31.295370][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.295373][   T10]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.295378][   T10]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.295382][   T10]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.295383][   T10]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.295389][   T10]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.295391][   T10]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.295392][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.295394][   T10]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.295399][   T10]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.295400][   T10]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.295404][   T10]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.295408][   T10]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.295410][   T10]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.295415][   T10]  _printk (kernel/printk/printk.c:2504)
[   31.295419][   T10]  ? snapshot_read.cold (user.c:?)
[   31.295422][   T10]  ? kthread_stop_put (./arch/x86/include/asm/atomic.h:93 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:949 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:401 (discriminator 4) ./include/linux/refcount.h:389 (discriminator 4) ./include/linux/refcount.h:432 (discriminator 4) ./include/linux/refcount.h:450 (discriminator 4) ./include/linux/sched/task.h:131 (discriminator 4) kernel/kthread.c:782 (discriminator 4))
[   31.295430][   T10] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   31.295442][   T10] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   31.295452][   T10] br_device_event (net/bridge/br.c:111) bridge
[   31.295461][   T10]  ? 0xffffffffc0a00000
[   31.295467][   T10]  notifier_call_chain (kernel/notifier.c:85)
[   31.295473][   T10]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   31.295478][   T10]  ? netif_change_name (net/core/dev.c:1517)
[   31.295482][   T10]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.295484][   T10]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   31.295488][   T10]  ? process_one_work (kernel/workqueue.c:3387)
[   31.295490][   T10]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   31.295491][   T10]  ? kthread (kernel/kthread.c:436)
[   31.295493][   T10]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   31.295496][   T10]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   31.295501][   T10]  netif_change_flags (net/core/dev.c:9882)
[   31.295505][   T10] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   31.295510][   T10]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   31.295513][   T10]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   31.295515][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.295516][   T10]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.295519][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.295522][   T10]  process_one_work (kernel/workqueue.c:3387)
[   31.295529][   T10]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   31.295532][   T10]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.295540][   T10]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   31.295544][   T10]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.295545][   T10]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   31.295548][   T10]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.295551][   T10]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.295552][   T10]  kthread (kernel/kthread.c:436)
[   31.295554][   T10]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.295558][   T10]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   31.295561][   T10]  ret_from_fork (arch/x86/kernel/process.c:158)
[   31.295564][   T10]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   31.295567][   T10]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   31.295571][   T10]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   31.295574][   T10]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.602982][ T1597] softirqs last disabled at (18150): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   49.602984][ T1597] Preemption disabled at:
| [   49.602985][ T1597] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.602995][ T1597] Tainted: [W]=WARN
[   49.602996][ T1597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.602997][ T1597] Call Trace:
[   49.602999][ T1597]  <TASK>
[   49.603001][ T1597]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.603006][ T1597]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.603008][ T1597]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.603013][ T1597]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.603018][ T1597]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   49.603024][ T1597]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   49.603026][ T1597]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.603033][ T1597]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   49.603036][ T1597]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.603039][ T1597]  put_chars (drivers/char/virtio_console.c:1176)
[   49.603042][ T1597]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.603045][ T1597]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.603049][ T1597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.603052][ T1597]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.603056][ T1597]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.603060][ T1597]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   49.603062][ T1597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.603064][ T1597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.603068][ T1597]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.603070][ T1597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.603075][ T1597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.603079][ T1597]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.603083][ T1597]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.603084][ T1597]  ? 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))
[   49.603087][ T1597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.603089][ T1597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.603093][ T1597]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.603097][ T1597]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.603098][ T1597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.603104][ T1597]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.603106][ T1597]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.603108][ T1597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.603110][ T1597]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   49.603114][ T1597]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.603116][ T1597]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.603119][ T1597]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.603123][ T1597]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.603125][ T1597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.603128][ T1597]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.603132][ T1597]  _printk (kernel/printk/printk.c:2504)
[   49.603136][ T1597]  ? snapshot_read.cold (user.c:?)
[   49.603140][ T1597]  ? br_multicast_flood (??:?) bridge
[   49.603155][ T1597]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   49.603157][ T1597]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.603160][ T1597]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.603166][ T1597] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   49.603177][ T1597] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   49.603187][ T1597] new_nbp (net/bridge/br_if.c:449) bridge
[   49.603197][ T1597] br_add_if (net/bridge/br_if.c:592) bridge
[   49.603205][ T1597]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   49.603209][ T1597]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   49.603216][ T1597]  do_set_master (net/core/rtnetlink.c:3071)
[   49.603221][ T1597]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   49.603225][ T1597]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   49.603228][ T1597]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   49.603230][ T1597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.603232][ T1597]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.603236][ T1597]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.603238][ T1597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.603240][ T1597]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.603243][ T1597]  ? kasan_save_stack (mm/kasan/common.c:58)
[   49.603246][ T1597]  ? kasan_save_stack (mm/kasan/common.c:57)
[   49.603248][ T1597]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.603251][ T1597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.603253][ T1597]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   49.603256][ T1597]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   49.603261][ T1597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.603263][ T1597]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.603266][ T1597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.603268][ T1597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.603270][ T1597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.603271][ T1597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.603273][ T1597]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   49.603276][ T1597]  ? __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)
[   49.603279][ T1597]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   49.603282][ T1597]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.603285][ T1597]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   49.603287][ T1597]  ? nla_get_range_signed (lib/nlattr.c:270)
[   49.603293][ T1597]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   49.603299][ T1597]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.603304][ T1597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.603306][ T1597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.603311][ T1597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.603313][ T1597]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.603315][ T1597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.603317][ T1597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.603321][ T1597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.603323][ T1597]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.603326][ T1597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.603328][ T1597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.603333][ T1597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.603335][ T1597]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.603339][ T1597]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.603341][ T1597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.603344][ T1597]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.603350][ T1597]  ? 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))
[   49.603352][ T1597]  ? 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))
[   49.603356][ T1597]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.603360][ T1597]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.603363][ T1597]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   49.603367][ T1597]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.603371][ T1597]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.603373][ T1597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.603376][ T1597]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   49.603380][ T1597]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   49.603384][ T1597]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   49.603386][ T1597]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.603389][ T1597]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   49.603390][ T1597]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   49.603398][ T1597]  ___sys_sendmsg (net/socket.c:2767)
[   49.603401][ T1597]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.603417][ T1597]  __sys_sendmsg (net/socket.c:2799)
[   49.603421][ T1597]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.603427][ T1597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.603430][ T1597]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.603433][ T1597]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.603437][ T1597]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.603439][ T1597] RIP: 0033:0x7f0bbf0a854e
[   49.603443][ T1597] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   49.603445][ T1597] RSP: 002b:00007ffcb5e29c70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.603447][ T1597] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0bbf0a854e
[   49.603449][ T1597] RDX: 0000000000000000 RSI: 00007ffcb5e29d20 RDI: 0000000000000005
[   49.603450][ T1597] RBP: 00007ffcb5e29c80 R08: 0000000000000000 R09: 0000000000000000
[   49.603451][ T1597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d680
[   49.603451][ T1597] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb5e2a3f0
| [   52.890117][ T1720] softirqs last disabled at (23302): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   52.890119][ T1720] Preemption disabled at:
| [   52.890120][ T1720] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.890129][ T1720] Tainted: [W]=WARN
[   52.890130][ T1720] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.890132][ T1720] Call Trace:
[   52.890134][ T1720]  <TASK>
[   52.890135][ T1720]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.890140][ T1720]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.890142][ T1720]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.890147][ T1720]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.890150][ T1720]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.890158][ T1720]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.890162][ T1720]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.890169][ T1720]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.890172][ T1720]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.890176][ T1720]  put_chars (drivers/char/virtio_console.c:1176)
[   52.890178][ T1720]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   52.890180][ T1720]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.890184][ T1720]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.890187][ T1720]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.890191][ T1720]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.890195][ T1720]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.890198][ T1720]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   52.890201][ T1720]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.890203][ T1720]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.890207][ T1720]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.890209][ T1720]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   52.890212][ T1720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.890214][ T1720]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.890219][ T1720]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.890222][ T1720]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.890223][ T1720]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   52.890226][ T1720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.890228][ T1720]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.890232][ T1720]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.890236][ T1720]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.890238][ T1720]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.890243][ T1720]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.890246][ T1720]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.890247][ T1720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.890249][ T1720]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.890253][ T1720]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.890255][ T1720]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.890258][ T1720]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.890262][ T1720]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.890263][ T1720]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.890265][ T1720]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.890268][ T1720]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.890269][ T1720]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.890271][ T1720]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.890273][ T1720]  ? ___sys_sendmsg (net/socket.c:2767)
[   52.890275][ T1720]  ? __sys_sendmsg (net/socket.c:2799)
[   52.890279][ T1720]  _printk (kernel/printk/printk.c:2504)
[   52.890283][ T1720]  ? snapshot_read.cold (user.c:?)
[   52.890287][ T1720]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.890291][ T1720]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.890295][ T1720]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.890297][ T1720]  ? netdev_notice (net/core/dev.c:13194)
[   52.890302][ T1720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.890304][ T1720]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   52.890306][ T1720]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   52.890309][ T1720]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   52.890312][ T1720]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   52.890317][ T1720]  dev_set_allmulti (net/core/dev_api.c:315)
[   52.890321][ T1720] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   52.890338][ T1720] br_del_if (net/bridge/br_if.c:732) bridge
[   52.890346][ T1720]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.890350][ T1720]  do_set_master (net/core/rtnetlink.c:3055)
[   52.890355][ T1720]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   52.890358][ T1720]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.890362][ T1720]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.890363][ T1720]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.890365][ T1720]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.890369][ T1720]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.890371][ T1720]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.890373][ T1720]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.890376][ T1720]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.890379][ T1720]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.890381][ T1720]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.890384][ T1720]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.890386][ T1720]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   52.890388][ T1720]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   52.890392][ T1720]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.890394][ T1720]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.890397][ T1720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.890399][ T1720]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.890400][ T1720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.890402][ T1720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.890404][ T1720]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.890406][ T1720]  ? __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)
[   52.890410][ T1720]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.890412][ T1720]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.890415][ T1720]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.890417][ T1720]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.890423][ T1720]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.890429][ T1720]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.890434][ T1720]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.890436][ T1720]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.890441][ T1720]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.890443][ T1720]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.890445][ T1720]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.890447][ T1720]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.890451][ T1720]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.890453][ T1720]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.890457][ T1720]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.890458][ T1720]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.890463][ T1720]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.890465][ T1720]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.890469][ T1720]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.890470][ T1720]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.890473][ T1720]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.890480][ T1720]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.890481][ T1720]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.890486][ T1720]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.890489][ T1720]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.890492][ T1720]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   52.890497][ T1720]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.890500][ T1720]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.890502][ T1720]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.890505][ T1720]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.890509][ T1720]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.890513][ T1720]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.890515][ T1720]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.890518][ T1720]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   52.890519][ T1720]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   52.890527][ T1720]  ___sys_sendmsg (net/socket.c:2767)
[   52.890530][ T1720]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.890546][ T1720]  __sys_sendmsg (net/socket.c:2799)
[   52.890549][ T1720]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.890556][ T1720]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.890559][ T1720]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.890562][ T1720]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.890565][ T1720]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.890567][ T1720] RIP: 0033:0x7ff67097f54e
[   52.890571][ T1720] 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
[   52.890573][ T1720] RSP: 002b:00007ffdc2357c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.890576][ T1720] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff67097f54e
[   52.890577][ T1720] RDX: 0000000000000000 RSI: 00007ffdc2357cf0 RDI: 0000000000000005
[   52.890578][ T1720] RBP: 00007ffdc2357c50 R08: 0000000000000000 R09: 0000000000000000
[   52.890579][ T1720] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d684
[   52.890580][ T1720] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc23583c0
| [   54.479275][   T29] softirqs last disabled at (25412): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   54.479284][   T29] Preemption disabled at:
| [   54.479285][   T29] 0x0
| [   54.479297][   T29] Tainted: [W]=WARN
[   54.479298][   T29] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.479299][   T29] Workqueue: events netdev_work_proc
[   54.479303][   T29] Call Trace:
[   54.479304][   T29]  <TASK>
[   54.479306][   T29]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.479313][   T29]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.479317][   T29]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.479321][   T29]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.479327][   T29]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   54.479330][   T29]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.479336][   T29]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.479339][   T29]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.479343][   T29]  put_chars (drivers/char/virtio_console.c:1176)
[   54.479346][   T29]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.479354][   T29]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.479361][   T29]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.479365][   T29]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.479370][   T29]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.479373][   T29]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.479375][   T29]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   54.479378][   T29]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.479381][   T29]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.479386][   T29]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.479390][   T29]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.479392][   T29]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.479398][   T29]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.479401][   T29]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.479402][   T29]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.479404][   T29]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   54.479408][   T29]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.479411][   T29]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.479414][   T29]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.479418][   T29]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.479421][   T29]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.479423][   T29]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.479425][   T29]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.479430][   T29]  _printk (kernel/printk/printk.c:2504)
[   54.479434][   T29]  ? snapshot_read.cold (user.c:?)
[   54.479437][   T29]  ? kthread_stop_put (./arch/x86/include/asm/atomic.h:93 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:949 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:401 (discriminator 4) ./include/linux/refcount.h:389 (discriminator 4) ./include/linux/refcount.h:432 (discriminator 4) ./include/linux/refcount.h:450 (discriminator 4) ./include/linux/sched/task.h:131 (discriminator 4) kernel/kthread.c:782 (discriminator 4))
[   54.479445][   T29] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   54.479458][   T29] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   54.479468][   T29] br_device_event (net/bridge/br.c:111) bridge
[   54.479478][   T29]  ? 0xffffffffc0a00000
[   54.479484][   T29]  notifier_call_chain (kernel/notifier.c:85)
[   54.479491][   T29]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   54.479496][   T29]  ? netif_change_name (net/core/dev.c:1517)
[   54.479500][   T29]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   54.479502][   T29]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   54.479507][   T29]  ? process_one_work (kernel/workqueue.c:3387)
[   54.479508][   T29]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   54.479510][   T29]  ? kthread (kernel/kthread.c:436)
[   54.479512][   T29]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   54.479515][   T29]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   54.479520][   T29]  netif_change_flags (net/core/dev.c:9882)
[   54.479524][   T29] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   54.479529][   T29]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   54.479532][   T29]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   54.479535][   T29]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.479536][   T29]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.479539][   T29]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.479543][   T29]  process_one_work (kernel/workqueue.c:3387)
[   54.479549][   T29]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   54.479552][   T29]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.479561][   T29]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   54.479568][   T29]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   54.479570][   T29]  kthread (kernel/kthread.c:436)
[   54.479572][   T29]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.479576][   T29]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   54.479579][   T29]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.479582][   T29]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   54.479586][   T29]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.479589][   T29]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
llc_sap_open:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars