======================================
| [   10.357211][  T176] softirqs last disabled at (23419): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.357214][  T176] Preemption disabled at:
| [   10.357214][  T176] 0x0
| [   10.357225][  T176] Tainted: [W]=WARN
[   10.357226][  T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.357228][  T176] Call Trace:
[   10.357229][  T176]  <TASK>
[   10.357231][  T176]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.357236][  T176]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.357241][  T176]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.357244][  T176]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.357250][  T176]  __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))
[   10.357252][  T176]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.357258][  T176]  ? 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)
[   10.357261][  T176]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.357265][  T176]  put_chars (drivers/char/virtio_console.c:1176)
[   10.357268][  T176]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.357274][  T176]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.357281][  T176]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.357284][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.357288][  T176]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.357292][  T176]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.357293][  T176]  ? 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))
[   10.357296][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.357299][  T176]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.357304][  T176]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.357307][  T176]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.357309][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.357314][  T176]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.357317][  T176]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.357318][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.357320][  T176]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.357324][  T176]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.357326][  T176]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.357328][  T176]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.357332][  T176]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.357335][  T176]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.357339][  T176]  _printk (kernel/printk/printk.c:2504)
[   10.357343][  T176]  ? snapshot_read.cold (user.c:?)
[   10.357345][  T176]  ? 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)
[   10.357348][  T176]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.357352][  T176]  ? 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)
[   10.357355][  T176]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.357359][  T176]  ? exit_notify (kernel/exit.c:780)
[   10.357360][  T176]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.357363][  T176]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.357367][  T176]  do_group_exit (kernel/exit.c:1151)
[   10.357370][  T176]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.357372][  T176]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.357375][  T176]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.357378][  T176]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.357381][  T176]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.357384][  T176] RIP: 0033:0x7f1531ca31b8
[   10.357386][  T176] Code: Unable to access opcode bytes at 0x7f1531ca318e.

Code starting with the faulting instruction
===========================================
[   10.357387][  T176] RSP: 002b:00007fffd1a0fca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.357389][  T176] RAX: ffffffffffffffda RBX: 00007f1531dd3f88 RCX: 00007f1531ca31b8
[   10.357391][  T176] RDX: 00007f15319edfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.357392][  T176] RBP: 00007fffd1a0fd00 R08: 0000000000000000 R09: 0000000000000050
[   10.357392][  T176] R10: 00007fffd1a0fac0 R11: 0000000000000246 R12: 0000000000000001
[   10.357393][  T176] R13: 0000000000000000 R14: 00007f1531dd2680 R15: 00007f1531dd3fa0
| [   20.853671][  T544] softirqs last disabled at (37405): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.853673][  T544] Preemption disabled at:
| [   20.853674][  T544] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.853682][  T544] Tainted: [W]=WARN
[   20.853683][  T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.853685][  T544] Call Trace:
[   20.853686][  T544]  <TASK>
[   20.853688][  T544]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.853692][  T544]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.853694][  T544]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.853698][  T544]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.853701][  T544]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.853706][  T544]  __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))
[   20.853709][  T544]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.853715][  T544]  ? 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)
[   20.853718][  T544]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.853721][  T544]  put_chars (drivers/char/virtio_console.c:1176)
[   20.853724][  T544]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.853727][  T544]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.853732][  T544]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.853739][  T544]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.853742][  T544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853745][  T544]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853749][  T544]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.853753][  T544]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.853754][  T544]  ? 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))
[   20.853757][  T544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853758][  T544]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853762][  T544]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.853766][  T544]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.853767][  T544]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.853772][  T544]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.853775][  T544]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.853776][  T544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853778][  T544]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.853781][  T544]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.853789][  T544]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.853792][  T544]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.853796][  T544]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.853801][  T544]  ? ipip_fini (net/ipv4/ipip.c:441 (discriminator 1)) ipip
[   20.853804][  T544]  _printk (kernel/printk/printk.c:2504)
[   20.853808][  T544]  ? snapshot_read.cold (user.c:?)
[   20.853814][  T544]  ? 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)
[   20.853817][  T544] ipip_init (net/ipv4/ipip.c:438) ipip
[   20.853820][  T544]  do_one_initcall (init/main.c:1357)
[   20.853823][  T544]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   20.853827][  T544]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   20.853830][  T544]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   20.853835][  T544]  do_init_module (kernel/module/main.c:3117)
[   20.853838][  T544]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.853842][  T544]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   20.853845][  T544]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   20.853849][  T544]  load_module (kernel/module/main.c:3593)
[   20.853856][  T544]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   20.853859][  T544]  ? __ia32_sys_fsconfig (??:?)
[   20.853862][  T544]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   20.853867][  T544]  ? backing_file_read_iter (fs/backing-file.c:211)
[   20.853870][  T544]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.853873][  T544]  init_module_from_file (kernel/module/main.c:3790)
[   20.853876][  T544]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   20.853883][  T544]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.853887][  T544]  ? 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)
[   20.853891][  T544]  idempotent_init_module (kernel/module/main.c:3802)
[   20.853893][  T544]  ? init_module_from_file (kernel/module/main.c:3791)
[   20.853899][  T544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853901][  T544]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.853906][  T544]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   20.853908][  T544]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.853911][  T544]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.853913][  T544]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.853916][  T544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.853918][  T544] RIP: 0033:0x7f42dbaeb37d
[   20.853922][  T544] 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
[   20.853923][  T544] RSP: 002b:00007ffc40c885d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   20.853926][  T544] RAX: ffffffffffffffda RBX: 0000563ea8cc2810 RCX: 00007f42dbaeb37d
[   20.853927][  T544] RDX: 0000000000000000 RSI: 0000563e90117ffd RDI: 0000000000000002
[   20.853928][  T544] RBP: 00007ffc40c88670 R08: 0000000000000000 R09: 0000000000000000
[   20.853928][  T544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563e90117ffd
[   20.853929][  T544] R13: 0000563ea8cc29b0 R14: 0000000000040000 R15: 0000000000000000
| [   24.228254][  T644] softirqs last disabled at (18691): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.228256][  T644] Preemption disabled at:
| [   24.228257][  T644] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.228266][  T644] Tainted: [W]=WARN
[   24.228267][  T644] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.228269][  T644] Call Trace:
[   24.228271][  T644]  <TASK>
[   24.228272][  T644]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.228277][  T644]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.228279][  T644]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.228283][  T644]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.228286][  T644]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.228291][  T644]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.228294][  T644]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.228300][  T644]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.228303][  T644]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.228306][  T644]  put_chars (drivers/char/virtio_console.c:1176)
[   24.228309][  T644]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.228313][  T644]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.228318][  T644]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.228325][  T644]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.228328][  T644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.228331][  T644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.228335][  T644]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.228339][  T644]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.228340][  T644]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.228343][  T644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.228345][  T644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.228349][  T644]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.228353][  T644]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.228354][  T644]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.228360][  T644]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.228362][  T644]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.228363][  T644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.228365][  T644]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.228369][  T644]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.228371][  T644]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.228374][  T644]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.228378][  T644]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.228383][  T644]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   24.228387][  T644]  _printk (kernel/printk/printk.c:2504)
[   24.228390][  T644]  ? snapshot_read.cold (user.c:?)
[   24.228397][  T644]  ? 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)
[   24.228400][  T644] 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
[   24.228403][  T644]  do_one_initcall (init/main.c:1357)
[   24.228406][  T644]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   24.228411][  T644]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   24.228414][  T644]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   24.228419][  T644]  do_init_module (kernel/module/main.c:3117)
[   24.228422][  T644]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.228427][  T644]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   24.228429][  T644]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   24.228434][  T644]  load_module (kernel/module/main.c:3593)
[   24.228441][  T644]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   24.228444][  T644]  ? __ia32_sys_fsconfig (??:?)
[   24.228447][  T644]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   24.228452][  T644]  ? backing_file_read_iter (fs/backing-file.c:211)
[   24.228455][  T644]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.228459][  T644]  init_module_from_file (kernel/module/main.c:3790)
[   24.228462][  T644]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   24.228470][  T644]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.228474][  T644]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.228477][  T644]  idempotent_init_module (kernel/module/main.c:3802)
[   24.228480][  T644]  ? init_module_from_file (kernel/module/main.c:3791)
[   24.228486][  T644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.228488][  T644]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   24.228493][  T644]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   24.228495][  T644]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.228499][  T644]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.228501][  T644]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.228504][  T644]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.228506][  T644] RIP: 0033:0x7fba757c537d
[   24.228509][  T644] 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
[   24.228511][  T644] RSP: 002b:00007ffde90d8e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   24.228513][  T644] RAX: ffffffffffffffda RBX: 000055b09ab63810 RCX: 00007fba757c537d
[   24.228515][  T644] RDX: 0000000000000000 RSI: 000055b07d70bffd RDI: 0000000000000000
[   24.228516][  T644] RBP: 00007ffde90d8ea0 R08: 0000000000000000 R09: 0000000000000000
[   24.228517][  T644] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b07d70bffd
[   24.228517][  T644] R13: 000055b09ab63960 R14: 0000000000040000 R15: 0000000000000000
| [   27.483588][  T756] softirqs last disabled at (90172): llc_sap_open (./include/linux/spinlock.h:353 net/llc/llc_core.c:93) llc
| [   27.483590][  T756] Preemption disabled at:
| [   27.483591][  T756] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.483600][  T756] Tainted: [W]=WARN
[   27.483601][  T756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.483603][  T756] Call Trace:
[   27.483604][  T756]  <TASK>
[   27.483606][  T756]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.483611][  T756]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.483612][  T756]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.483617][  T756]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.483620][  T756]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.483625][  T756]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.483628][  T756]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.483634][  T756]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.483637][  T756]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.483641][  T756]  put_chars (drivers/char/virtio_console.c:1176)
[   27.483644][  T756]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.483647][  T756]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.483652][  T756]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.483659][  T756]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.483662][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.483665][  T756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.483669][  T756]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.483673][  T756]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.483674][  T756]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   27.483677][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.483679][  T756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.483683][  T756]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.483687][  T756]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.483688][  T756]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.483694][  T756]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.483696][  T756]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.483697][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.483699][  T756]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.483703][  T756]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.483705][  T756]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.483708][  T756]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.483712][  T756]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.483713][  T756]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.483716][  T756]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.483720][  T756]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   27.483722][  T756]  _printk (kernel/printk/printk.c:2504)
[   27.483726][  T756]  ? snapshot_read.cold (user.c:?)
[   27.483728][  T756]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   27.483733][  T756]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   27.483738][  T756]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   27.483741][  T756] br_init (bridge.mod.c:?) bridge
[   27.483757][  T756]  do_one_initcall (init/main.c:1357)
[   27.483760][  T756]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   27.483765][  T756]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   27.483768][  T756]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   27.483773][  T756]  do_init_module (kernel/module/main.c:3117)
[   27.483776][  T756]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.483779][  T756]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   27.483782][  T756]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   27.483786][  T756]  load_module (kernel/module/main.c:3593)
[   27.483793][  T756]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   27.483798][  T756]  ? backing_file_read_iter (fs/backing-file.c:211)
[   27.483802][  T756]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.483812][  T756]  init_module_from_file (kernel/module/main.c:3790)
[   27.483815][  T756]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   27.483823][  T756]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.483827][  T756]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.483830][  T756]  idempotent_init_module (kernel/module/main.c:3802)
[   27.483833][  T756]  ? init_module_from_file (kernel/module/main.c:3791)
[   27.483839][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.483841][  T756]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.483846][  T756]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   27.483848][  T756]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.483852][  T756]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.483854][  T756]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.483857][  T756]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.483859][  T756] RIP: 0033:0x7f46c2a5137d
[   27.483863][  T756] 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
[   27.483864][  T756] RSP: 002b:00007ffd9dbe6888 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   27.483867][  T756] RAX: ffffffffffffffda RBX: 0000561d904c4810 RCX: 00007f46c2a5137d
[   27.483868][  T756] RDX: 0000000000000000 RSI: 0000561d64660ffd RDI: 0000000000000002
[   27.483869][  T756] RBP: 00007ffd9dbe6920 R08: 0000000000000000 R09: 0000000000000000
[   27.483870][  T756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561d64660ffd
[   27.483871][  T756] R13: 0000561d904c49c0 R14: 0000000000040000 R15: 0000000000000000
| [   31.005772][  T875] softirqs last disabled at (17530): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   31.005774][  T875] Preemption disabled at:
| [   31.005775][  T875] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.005783][  T875] Tainted: [W]=WARN
[   31.005784][  T875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.005786][  T875] Call Trace:
[   31.005787][  T875]  <TASK>
[   31.005789][  T875]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.005793][  T875]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.005795][  T875]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.005800][  T875]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.005803][  T875]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.005808][  T875]  __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))
[   31.005810][  T875]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.005822][  T875]  ? 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)
[   31.005825][  T875]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.005828][  T875]  put_chars (drivers/char/virtio_console.c:1176)
[   31.005830][  T875]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   31.005833][  T875]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.005836][  T875]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.005839][  T875]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.005842][  T875]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.005846][  T875]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.005850][  T875]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.005852][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.005854][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.005858][  T875]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.005860][  T875]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   31.005863][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.005865][  T875]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.005869][  T875]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.005872][  T875]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.005873][  T875]  ? 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))
[   31.005876][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.005878][  T875]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.005882][  T875]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.005885][  T875]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.005887][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.005892][  T875]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.005894][  T875]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.005895][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.005897][  T875]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.005901][  T875]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.005903][  T875]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.005906][  T875]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.005909][  T875]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.005910][  T875]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.005912][  T875]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.005915][  T875]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.005916][  T875]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.005918][  T875]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.005920][  T875]  ? ___sys_sendmsg (net/socket.c:2767)
[   31.005922][  T875]  ? __sys_sendmsg (net/socket.c:2799)
[   31.005926][  T875]  _printk (kernel/printk/printk.c:2504)
[   31.005929][  T875]  ? snapshot_read.cold (user.c:?)
[   31.005933][  T875]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.005937][  T875]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.005940][  T875]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.005943][  T875]  ? netdev_notice (net/core/dev.c:13194)
[   31.005947][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.005949][  T875]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   31.005952][  T875]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   31.005954][  T875]  ? 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)
[   31.005957][  T875]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   31.005962][  T875]  dev_set_allmulti (net/core/dev_api.c:315)
[   31.005965][  T875] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   31.005981][  T875] br_del_if (net/bridge/br_if.c:732) bridge
[   31.005989][  T875]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   31.005993][  T875]  do_set_master (net/core/rtnetlink.c:3055)
[   31.005997][  T875]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   31.006000][  T875]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.006004][  T875]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.006005][  T875]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.006007][  T875]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.006011][  T875]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.006013][  T875]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.006015][  T875]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.006017][  T875]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.006020][  T875]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.006022][  T875]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.006025][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.006027][  T875]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   31.006029][  T875]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   31.006032][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.006034][  T875]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.006037][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.006039][  T875]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.006040][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.006042][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.006043][  T875]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.006046][  T875]  ? __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)
[   31.006049][  T875]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.006051][  T875]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.006054][  T875]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.006056][  T875]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.006062][  T875]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.006067][  T875]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.006072][  T875]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.006074][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.006078][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.006080][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.006082][  T875]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.006084][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.006088][  T875]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.006090][  T875]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.006093][  T875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.006094][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.006099][  T875]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.006101][  T875]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.006104][  T875]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.006106][  T875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.006109][  T875]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.006115][  T875]  ? 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))
[   31.006116][  T875]  ? 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))
[   31.006120][  T875]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.006124][  T875]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.006126][  T875]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   31.006130][  T875]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.006134][  T875]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.006135][  T875]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.006138][  T875]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.006142][  T875]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.006146][  T875]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.006148][  T875]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.006151][  T875]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   31.006152][  T875]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   31.006159][  T875]  ___sys_sendmsg (net/socket.c:2767)
[   31.006162][  T875]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.006180][  T875]  __sys_sendmsg (net/socket.c:2799)
[   31.006183][  T875]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.006189][  T875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.006192][  T875]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.006195][  T875]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.006198][  T875]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.006200][  T875] RIP: 0033:0x7fa6e146954e
[   31.006204][  T875] 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
[   31.006205][  T875] RSP: 002b:00007fff3d4ddef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.006208][  T875] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa6e146954e
[   31.006209][  T875] RDX: 0000000000000000 RSI: 00007fff3d4ddfa0 RDI: 0000000000000005
[   31.006210][  T875] RBP: 00007fff3d4ddf00 R08: 0000000000000000 R09: 0000000000000000
[   31.006211][  T875] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b50f
[   31.006212][  T875] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3d4de670
| [   32.535458][   T54] softirqs last disabled at (45364): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   32.535471][   T54] Preemption disabled at:
| [   32.535472][   T54] 0x0
| [   32.535485][   T54] Tainted: [W]=WARN
[   32.535486][   T54] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.535488][   T54] Workqueue: events netdev_work_proc
[   32.535492][   T54] Call Trace:
[   32.535494][   T54]  <TASK>
[   32.535496][   T54]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.535504][   T54]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.535509][   T54]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.535514][   T54]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.535521][   T54]  __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))
[   32.535525][   T54]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.535534][   T54]  ? 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)
[   32.535538][   T54]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.535543][   T54]  put_chars (drivers/char/virtio_console.c:1176)
[   32.535548][   T54]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.535559][   T54]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.535570][   T54]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.535575][   T54]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.535583][   T54]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.535588][   T54]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.535590][   T54]  ? 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))
[   32.535595][   T54]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.535599][   T54]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.535606][   T54]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.535613][   T54]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.535615][   T54]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.535625][   T54]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.535628][   T54]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.535630][   T54]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.535634][   T54]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.535640][   T54]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.535643][   T54]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.535648][   T54]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.535654][   T54]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.535657][   T54]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.535665][   T54]  _printk (kernel/printk/printk.c:2504)
[   32.535670][   T54]  ? snapshot_read.cold (user.c:?)
[   32.535675][   T54]  ? 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))
[   32.535687][   T54] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   32.535706][   T54] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   32.535722][   T54] br_device_event (net/bridge/br.c:111) bridge
[   32.535737][   T54]  ? 0xffffffffc0a00000
[   32.535748][   T54]  notifier_call_chain (kernel/notifier.c:85)
[   32.535757][   T54]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   32.535765][   T54]  ? netif_change_name (net/core/dev.c:1517)
[   32.535771][   T54]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.535773][   T54]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   32.535779][   T54]  ? process_one_work (kernel/workqueue.c:3387)
[   32.535781][   T54]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   32.535783][   T54]  ? kthread (kernel/kthread.c:436)
[   32.535785][   T54]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   32.535789][   T54]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   32.535795][   T54]  netif_change_flags (net/core/dev.c:9882)
[   32.535802][   T54] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   32.535809][   T54]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   32.535814][   T54]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   32.535817][   T54]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.535820][   T54]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.535828][   T54]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.535834][   T54]  process_one_work (kernel/workqueue.c:3387)
[   32.535845][   T54]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   32.535849][   T54]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.535863][   T54]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   32.535869][   T54]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   32.535871][   T54]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   32.535876][   T54]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   32.535880][   T54]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   32.535882][   T54]  kthread (kernel/kthread.c:436)
[   32.535885][   T54]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.535889][   T54]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   32.535894][   T54]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.535899][   T54]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   32.535904][   T54]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.535908][   T54]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   32.535913][   T54]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.591100][  T957] softirqs last disabled at (33065): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   33.591103][  T957] Preemption disabled at:
| [   33.591103][  T957] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.591111][  T957] Tainted: [W]=WARN
[   33.591112][  T957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.591114][  T957] Call Trace:
[   33.591115][  T957]  <TASK>
[   33.591117][  T957]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.591122][  T957]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.591123][  T957]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.591128][  T957]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.591131][  T957]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.591136][  T957]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   33.591138][  T957]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.591144][  T957]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.591147][  T957]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.591150][  T957]  put_chars (drivers/char/virtio_console.c:1176)
[   33.591153][  T957]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.591155][  T957]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.591159][  T957]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.591162][  T957]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.591167][  T957]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.591170][  T957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.591178][  T957]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.591180][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.591185][  T957]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.591189][  T957]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.591190][  T957]  ? 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))
[   33.591192][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.591194][  T957]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.591198][  T957]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.591202][  T957]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.591203][  T957]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.591208][  T957]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.591210][  T957]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.591211][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.591213][  T957]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.591217][  T957]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.591219][  T957]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.591222][  T957]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.591225][  T957]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.591230][  T957]  ? xfrm_user_exit (net/xfrm/xfrm_user.c:2088) xfrm_user
[   33.591234][  T957]  _printk (kernel/printk/printk.c:2504)
[   33.591238][  T957]  ? snapshot_read.cold (user.c:?)
[   33.591244][  T957]  ? 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)
[   33.591247][  T957] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[   33.591250][  T957]  do_one_initcall (init/main.c:1357)
[   33.591253][  T957]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   33.591258][  T957]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   33.591260][  T957]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   33.591265][  T957]  do_init_module (kernel/module/main.c:3117)
[   33.591268][  T957]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   33.591273][  T957]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   33.591275][  T957]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   33.591279][  T957]  load_module (kernel/module/main.c:3593)
[   33.591286][  T957]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   33.591290][  T957]  ? backing_file_read_iter (fs/backing-file.c:211)
[   33.591294][  T957]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.591297][  T957]  init_module_from_file (kernel/module/main.c:3790)
[   33.591300][  T957]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   33.591307][  T957]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.591311][  T957]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.591314][  T957]  idempotent_init_module (kernel/module/main.c:3802)
[   33.591317][  T957]  ? init_module_from_file (kernel/module/main.c:3791)
[   33.591322][  T957]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.591324][  T957]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   33.591329][  T957]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   33.591331][  T957]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.591335][  T957]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.591337][  T957]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.591339][  T957]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.591342][  T957] RIP: 0033:0x7f014d6f237d
[   33.591345][  T957] 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
[   33.591347][  T957] RSP: 002b:00007ffdac95fe38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   33.591349][  T957] RAX: ffffffffffffffda RBX: 000055fc374f7810 RCX: 00007f014d6f237d
[   33.591350][  T957] RDX: 0000000000000000 RSI: 000055fc2fc41ffd RDI: 0000000000000000
[   33.591351][  T957] RBP: 00007ffdac95fed0 R08: 0000000000000000 R09: 0000000000000000
[   33.591352][  T957] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fc2fc41ffd
[   33.591353][  T957] R13: 000055fc374f7960 R14: 0000000000040000 R15: 0000000000000000
| [   62.411459][ T1587] softirqs last disabled at (26282): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   62.411462][ T1587] Preemption disabled at:
| [   62.411462][ T1587] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.411471][ T1587] Tainted: [W]=WARN
[   62.411472][ T1587] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.411473][ T1587] Call Trace:
[   62.411475][ T1587]  <TASK>
[   62.411477][ T1587]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.411482][ T1587]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.411483][ T1587]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.411488][ T1587]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.411491][ T1587]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   62.411496][ T1587]  __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))
[   62.411498][ T1587]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.411504][ T1587]  ? 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)
[   62.411507][ T1587]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.411511][ T1587]  put_chars (drivers/char/virtio_console.c:1176)
[   62.411514][ T1587]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.411517][ T1587]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   62.411520][ T1587]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.411523][ T1587]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   62.411527][ T1587]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.411531][ T1587]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   62.411533][ T1587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.411535][ T1587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.411539][ T1587]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.411540][ T1587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.411545][ T1587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.411549][ T1587]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.411552][ T1587]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.411554][ T1587]  ? 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))
[   62.411557][ T1587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.411559][ T1587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.411563][ T1587]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.411567][ T1587]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.411568][ T1587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.411573][ T1587]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.411576][ T1587]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.411577][ T1587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.411579][ T1587]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   62.411583][ T1587]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.411585][ T1587]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.411587][ T1587]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.411592][ T1587]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.411594][ T1587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.411596][ T1587]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   62.411600][ T1587]  _printk (kernel/printk/printk.c:2504)
[   62.411604][ T1587]  ? snapshot_read.cold (user.c:?)
[   62.411608][ T1587]  ? br_multicast_flood (??:?) bridge
[   62.411621][ T1587]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   62.411622][ T1587]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.411623][ T1587]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.411627][ T1587] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   62.411639][ T1587] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   62.411647][ T1587] new_nbp (net/bridge/br_if.c:449) bridge
[   62.411656][ T1587] br_add_if (net/bridge/br_if.c:592) bridge
[   62.411664][ T1587]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   62.411668][ T1587]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   62.411674][ T1587]  do_set_master (net/core/rtnetlink.c:3071)
[   62.411679][ T1587]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   62.411682][ T1587]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   62.411685][ T1587]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   62.411686][ T1587]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   62.411688][ T1587]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.411692][ T1587]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   62.411694][ T1587]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.411696][ T1587]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   62.411698][ T1587]  ? kasan_save_stack (mm/kasan/common.c:58)
[   62.411701][ T1587]  ? kasan_save_stack (mm/kasan/common.c:57)
[   62.411703][ T1587]  ? kasan_save_track (mm/kasan/common.c:78)
[   62.411706][ T1587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.411708][ T1587]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   62.411710][ T1587]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   62.411715][ T1587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.411717][ T1587]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.411719][ T1587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.411721][ T1587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.411723][ T1587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.411724][ T1587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.411726][ T1587]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   62.411729][ T1587]  ? __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)
[   62.411732][ T1587]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   62.411734][ T1587]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.411737][ T1587]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   62.411739][ T1587]  ? nla_get_range_signed (lib/nlattr.c:270)
[   62.411745][ T1587]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   62.411750][ T1587]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.411755][ T1587]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.411757][ T1587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.411761][ T1587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.411763][ T1587]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.411766][ T1587]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.411767][ T1587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.411771][ T1587]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.411773][ T1587]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.411776][ T1587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.411777][ T1587]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.411782][ T1587]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.411784][ T1587]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.411787][ T1587]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.411789][ T1587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.411792][ T1587]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.411798][ T1587]  ? 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))
[   62.411799][ T1587]  ? 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))
[   62.411803][ T1587]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.411807][ T1587]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.411810][ T1587]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   62.411814][ T1587]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.411817][ T1587]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.411819][ T1587]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.411822][ T1587]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   62.411825][ T1587]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   62.411829][ T1587]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.411831][ T1587]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.411834][ T1587]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   62.411835][ T1587]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   62.411842][ T1587]  ___sys_sendmsg (net/socket.c:2767)
[   62.411845][ T1587]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.411860][ T1587]  __sys_sendmsg (net/socket.c:2799)
[   62.411863][ T1587]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.411869][ T1587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.411872][ T1587]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.411875][ T1587]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.411878][ T1587]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.411880][ T1587] RIP: 0033:0x7f8ce8b7654e
[   62.411883][ T1587] 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
[   62.411885][ T1587] RSP: 002b:00007ffd12936800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.411888][ T1587] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8ce8b7654e
[   62.411889][ T1587] RDX: 0000000000000000 RSI: 00007ffd129368b0 RDI: 0000000000000005
[   62.411890][ T1587] RBP: 00007ffd12936810 R08: 0000000000000000 R09: 0000000000000000
[   62.411891][ T1587] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b52e
[   62.411891][ T1587] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd12936f80
| [   62.414691][    C0]
| [   62.414691][    C0]
| [   62.414691][    C0] stack backtrace:
| [   62.414699][    C0] Tainted: [W]=WARN
[   62.414700][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.414701][    C0] Call Trace:
[   62.414703][    C0]  <IRQ>
[   62.414704][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.414708][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   62.414712][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   62.414715][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   62.414719][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   62.414723][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   62.414725][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   62.414729][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.414732][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   62.414735][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.414737][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.414741][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   62.414743][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   62.414745][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   62.414747][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.414751][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   62.414754][    C0]  _printk (kernel/printk/printk.c:2504)
[   62.414757][    C0]  ? snapshot_read.cold (user.c:?)
[   62.414759][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   62.414762][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.414766][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   62.414769][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   62.414771][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   62.414774][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   62.414777][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   62.414779][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   62.414783][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.414786][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.414789][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.414792][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   62.414794][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   62.414797][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   62.414799][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.414804][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   62.414808][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   62.414811][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   62.414813][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.414816][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.414818][    C0]  handle_softirqs (kernel/softirq.c:645)
[   62.414822][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.414824][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   62.414828][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   62.414830][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   62.414833][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   62.414836][    C0]  </IRQ>
[   62.414837][    C0]  <TASK>
[   62.414838][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   62.414841][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   62.414843][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   62.414847][    C0] Code: 48 8b 3d d4 31 10 02 e8 1f 00 00 00 48 2b 05 98 62 b2 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 53 35 29 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d d4 31 10 02 	mov    0x21031d4(%rip),%rdi        # 0x21031db
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 98 62 b2 00 	sub    0xb26298(%rip),%rax        # 0xb262ab
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 53 35 29 00 	verw   0x293553(%rip)        # 0x29357b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   62.414849][    C0] RSP: 0018:ffffffffb4e07cf8 EFLAGS: 00000296
[   62.414851][    C0] RAX: 00000000002c361f RBX: ffffffffb4e1c600 RCX: ffffffffb1cf4ce7
[   62.414853][    C0] RDX: ffffffffb4e1c600 RSI: ffffffffb4c88c45 RDI: ffffffffb4693160
[   62.414855][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   62.414856][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff69c0fa2
[   62.414858][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   62.414860][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   62.414864][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   62.414866][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   62.414868][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   62.414870][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   62.414873][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   62.414876][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   62.414880][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.414882][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.414884][    C0]  do_idle (kernel/sched/idle.c:355)
[   62.414887][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   62.414889][    C0]  rest_init (init/main.c:727)
[   62.414892][    C0]  ? __cpuidle_text_end (??:?)
[   62.414895][    C0]  ? rest_init (init/main.c:727)
[   62.414898][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   62.414901][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   62.414904][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   62.414908][    C0]  start_kernel (init/main.c:1185)
[   62.414912][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   62.414914][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   62.414923][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   66.441757][ T1710] softirqs last disabled at (0): 0x0
| [   66.441759][ T1710] Preemption disabled at:
| [   66.441759][ T1710] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.441770][ T1710] Tainted: [W]=WARN
[   66.441771][ T1710] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.441773][ T1710] Call Trace:
[   66.441774][ T1710]  <TASK>
[   66.441775][ T1710]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.441780][ T1710]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.441781][ T1710]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.441785][ T1710]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.441787][ T1710]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   66.441789][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.441792][ T1710]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   66.441796][ T1710]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   66.441799][ T1710]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.441803][ T1710]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   66.441805][ T1710]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.441807][ T1710]  put_chars (drivers/char/virtio_console.c:1176)
[   66.441809][ T1710]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   66.441810][ T1710]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.441812][ T1710]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   66.441814][ T1710]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.441818][ T1710]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.441819][ T1710]  ? 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)
[   66.441821][ T1710]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[   66.441825][ T1710]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   66.441827][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.441828][ T1710]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.441831][ T1710]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.441833][ T1710]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.441834][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.441836][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.441837][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.441838][ T1710]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.441840][ T1710]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   66.441841][ T1710]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.441843][ T1710]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.441845][ T1710]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.441846][ T1710]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.441848][ T1710]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.441849][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.441850][ T1710]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.441851][ T1710]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   66.441853][ T1710]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   66.441854][ T1710]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.441856][ T1710]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.441858][ T1710]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.441859][ T1710]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.441861][ T1710]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   66.441863][ T1710]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.441866][ T1710]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.441867][ T1710]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.441868][ T1710]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   66.441871][ T1710]  ? ___sys_sendmsg (net/socket.c:2767)
[   66.441872][ T1710]  ? __sys_sendmsg (net/socket.c:2799)
[   66.441875][ T1710]  _printk (kernel/printk/printk.c:2504)
[   66.441878][ T1710]  ? snapshot_read.cold (user.c:?)
[   66.441880][ T1710]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.441882][ T1710]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.441884][ T1710]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.441886][ T1710]  ? netdev_notice (net/core/dev.c:13194)
[   66.441888][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.441889][ T1710]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   66.441891][ T1710]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   66.441894][ T1710]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   66.441895][ T1710]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   66.441897][ T1710]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   66.441900][ T1710]  dev_set_allmulti (net/core/dev_api.c:315)
[   66.441903][ T1710] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   66.441915][ T1710]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   66.441918][ T1710]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   66.441920][ T1710]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   66.441923][ T1710] br_del_if (net/bridge/br_if.c:732) bridge
[   66.441936][ T1710]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   66.441939][ T1710]  do_set_master (net/core/rtnetlink.c:3055)
[   66.441942][ T1710]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   66.441943][ T1710]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   66.441946][ T1710]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   66.441947][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.441948][ T1710]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   66.441952][ T1710]  ? kasan_save_stack (mm/kasan/common.c:58)
[   66.441955][ T1710]  ? kasan_save_stack (mm/kasan/common.c:57)
[   66.441957][ T1710]  ? kasan_save_track (mm/kasan/common.c:78)
[   66.441958][ T1710]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   66.441960][ T1710]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   66.441961][ T1710]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   66.441962][ T1710]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.441963][ T1710]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.441965][ T1710]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.441966][ T1710]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.441967][ T1710]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   66.441968][ T1710]  ? ___sys_sendmsg (net/socket.c:2767)
[   66.441969][ T1710]  ? __sys_sendmsg (net/socket.c:2799)
[   66.441971][ T1710]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.441973][ T1710]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.441975][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.441976][ T1710]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.441978][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.441979][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.441980][ T1710]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   66.441981][ T1710]  ? __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)
[   66.441984][ T1710]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   66.441985][ T1710]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   66.441987][ T1710]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   66.441988][ T1710]  ? nla_get_range_signed (lib/nlattr.c:270)
[   66.441991][ T1710]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   66.441993][ T1710]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   66.441995][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.441996][ T1710]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.441997][ T1710]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.441999][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.442000][ T1710]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   66.442002][ T1710]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   66.442004][ T1710]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   66.442005][ T1710]  ? __kernel_text_address (kernel/extable.c:79)
[   66.442006][ T1710]  ? write_profile (profile.c:?)
[   66.442008][ T1710]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   66.442011][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.442012][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.442013][ T1710]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   66.442015][ T1710]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.442017][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.442018][ T1710]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.442019][ T1710]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.442021][ T1710]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.442022][ T1710]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   66.442024][ T1710]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   66.442026][ T1710]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.442027][ T1710]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.442029][ T1710]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.442030][ T1710]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.442031][ T1710]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   66.442034][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.442035][ T1710]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.442037][ T1710]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.442039][ T1710]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.442040][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.442041][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.442042][ T1710]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.442044][ T1710]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.442046][ T1710]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.442048][ T1710]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   66.442049][ T1710]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   66.442053][ T1710]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   66.442054][ T1710]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.442055][ T1710]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   66.442057][ T1710]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   66.442058][ T1710]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   66.442061][ T1710]  ___sys_sendmsg (net/socket.c:2767)
[   66.442062][ T1710]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.442067][ T1710]  __sys_sendmsg (net/socket.c:2799)
[   66.442069][ T1710]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.442071][ T1710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.442073][ T1710]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.442074][ T1710]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.442077][ T1710]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.442078][ T1710] RIP: 0033:0x7f95e464a54e
[   66.442080][ T1710] 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
[   66.442082][ T1710] RSP: 002b:00007fff24c924f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.442086][ T1710] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f95e464a54e
[   66.442087][ T1710] RDX: 0000000000000000 RSI: 00007fff24c925a0 RDI: 0000000000000005
[   66.442088][ T1710] RBP: 00007fff24c92500 R08: 0000000000000000 R09: 0000000000000000
[   66.442089][ T1710] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b532
[   66.442090][ T1710] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff24c92c70
| [   68.432757][   T50] softirqs last disabled at (2912483): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   68.432759][   T50] Preemption disabled at:
| [   68.432760][   T50] 0x0
| [   68.432770][   T50] Tainted: [W]=WARN
[   68.432771][   T50] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.432773][   T50] Workqueue: events netdev_work_proc
[   68.432778][   T50] Call Trace:
[   68.432780][   T50]  <TASK>
[   68.432781][   T50]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.432786][   T50]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.432789][   T50]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.432792][   T50]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.432795][   T50]  __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))
[   68.432798][   T50]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.432801][   T50]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.432805][   T50]  ? 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)
[   68.432807][   T50]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.432809][   T50]  put_chars (drivers/char/virtio_console.c:1176)
[   68.432811][   T50]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.432812][   T50]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   68.432814][   T50]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   68.432816][   T50]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.432820][   T50]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.432821][   T50]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.432823][   T50]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.432826][   T50]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.432828][   T50]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.432829][   T50]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.432830][   T50]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.432831][   T50]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.432832][   T50]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.432834][   T50]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   68.432836][   T50]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.432837][   T50]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.432839][   T50]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.432840][   T50]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.432842][   T50]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.432843][   T50]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.432844][   T50]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   68.432846][   T50]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   68.432847][   T50]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   68.432849][   T50]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.432851][   T50]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.432853][   T50]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.432856][   T50]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.432857][   T50]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.432859][   T50]  _printk (kernel/printk/printk.c:2504)
[   68.432862][   T50]  ? snapshot_read.cold (user.c:?)
[   68.432863][   T50]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.432866][   T50]  ? __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   68.432869][   T50]  ? netif_change_flags (net/core/dev.c:9882)
[   68.432871][   T50]  ? vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   68.432874][   T50]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:2102)
[   68.432877][   T50]  ? kthread (kernel/kthread.c:436)
[   68.432879][   T50]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   68.432882][   T50] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   68.432894][   T50] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   68.432902][   T50] br_device_event (net/bridge/br.c:111) bridge
[   68.432910][   T50]  ? 0xffffffffc0a00000
[   68.432913][   T50]  notifier_call_chain (kernel/notifier.c:85)
[   68.432915][   T50]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   68.432917][   T50]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.432920][   T50]  ? netif_change_name (net/core/dev.c:1517)
[   68.432922][   T50]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   68.432924][   T50]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   68.432927][   T50]  ? process_one_work (kernel/workqueue.c:3387)
[   68.432928][   T50]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   68.432929][   T50]  ? kthread (kernel/kthread.c:436)
[   68.432931][   T50]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   68.432934][   T50]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   68.432942][   T50]  netif_change_flags (net/core/dev.c:9882)
[   68.432944][   T50] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   68.432947][   T50]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   68.432948][   T50]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   68.432950][   T50]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.432951][   T50]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.432953][   T50]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.432954][   T50]  process_one_work (kernel/workqueue.c:3387)
[   68.432957][   T50]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   68.432958][   T50]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.432961][   T50]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   68.432962][   T50]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   68.432964][   T50]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   68.432966][   T50]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   68.432967][   T50]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   68.432968][   T50]  kthread (kernel/kthread.c:436)
[   68.432969][   T50]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.432971][   T50]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   68.432973][   T50]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.432975][   T50]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   68.432977][   T50]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.432979][   T50]  ? 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
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning
__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