======================================
| [    9.533445][  T188] softirqs last disabled at (34447): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.533447][  T188] Preemption disabled at:
| [    9.533447][  T188] 0x0
| [    9.533458][  T188] Tainted: [W]=WARN
[    9.533458][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.533460][  T188] Call Trace:
[    9.533462][  T188]  <TASK>
[    9.533463][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.533469][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.533474][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.533478][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.533484][  T188]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.533486][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.533492][  T188]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.533494][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.533498][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[    9.533500][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.533502][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.533506][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.533511][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.533518][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.533520][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.533522][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.533526][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.533530][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.533532][  T188]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.533536][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.533539][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.533542][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.533546][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.533548][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.533553][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.533556][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.533558][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.533560][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.533564][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.533566][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.533569][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.533573][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.533576][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.533580][  T188]  _printk (kernel/printk/printk.c:2504)
[    9.533584][  T188]  ? snapshot_read.cold (user.c:?)
[    9.533586][  T188]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.533591][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.533595][  T188]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.533598][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.533601][  T188]  ? exit_notify (kernel/exit.c:780)
[    9.533603][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.533606][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.533610][  T188]  do_group_exit (kernel/exit.c:1151)
[    9.533613][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.533615][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.533617][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.533620][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.533623][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.533626][  T188] RIP: 0033:0x7fa2cc26d1b8
[    9.533628][  T188] Code: Unable to access opcode bytes at 0x7fa2cc26d18e.

Code starting with the faulting instruction
===========================================
[    9.533629][  T188] RSP: 002b:00007fff09b2acc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.533631][  T188] RAX: ffffffffffffffda RBX: 00007fa2cc39df88 RCX: 00007fa2cc26d1b8
[    9.533633][  T188] RDX: 00007fa2cbfb7fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.533634][  T188] RBP: 00007fff09b2ad20 R08: 0000000000000000 R09: 0000000000008010
[    9.533635][  T188] R10: 00007fff09b2aae0 R11: 0000000000000246 R12: 0000000000000001
[    9.533635][  T188] R13: 0000000000000000 R14: 00007fa2cc39c680 R15: 00007fa2cc39dfa0
| [   10.757014][  T238] softirqs last disabled at (17747): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.757017][  T238] Preemption disabled at:
| [   10.757018][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.757027][  T238] Tainted: [W]=WARN
[   10.757028][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.757029][  T238] Call Trace:
[   10.757031][  T238]  <TASK>
[   10.757033][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.757038][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.757041][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.757046][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.757050][  T238]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.757055][  T238]  __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))
[   10.757057][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.757063][  T238]  ? 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)
[   10.757066][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.757069][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   10.757072][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.757073][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.757078][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.757080][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.757085][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.757088][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.757092][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.757095][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.757100][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.757104][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.757106][  T238]  ? 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))
[   10.757109][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.757111][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.757115][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.757119][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.757121][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.757126][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.757128][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.757130][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.757133][  T238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.757136][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.757138][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.757141][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.757145][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.757150][  T238]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.757154][  T238]  _printk (kernel/printk/printk.c:2504)
[   10.757158][  T238]  ? snapshot_read.cold (user.c:?)
[   10.757164][  T238]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   10.757168][  T238] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   10.757171][  T238]  do_one_initcall (init/main.c:1357)
[   10.757173][  T238]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.757178][  T238]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.757181][  T238]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.757185][  T238]  do_init_module (kernel/module/main.c:3117)
[   10.757189][  T238]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.757193][  T238]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.757196][  T238]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.757200][  T238]  load_module (kernel/module/main.c:3593)
[   10.757207][  T238]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.757211][  T238]  ? __ia32_sys_fsconfig (??:?)
[   10.757215][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.757217][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.757221][  T238]  init_module_from_file (kernel/module/main.c:3790)
[   10.757224][  T238]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.757232][  T238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.757236][  T238]  ? 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)
[   10.757239][  T238]  idempotent_init_module (kernel/module/main.c:3802)
[   10.757242][  T238]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.757248][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.757251][  T238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.757257][  T238]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.757259][  T238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.757262][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.757264][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.757267][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.757269][  T238] RIP: 0033:0x7fbe8255837d
[   10.757273][  T238] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.757274][  T238] RSP: 002b:00007fff88e95a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.757277][  T238] RAX: ffffffffffffffda RBX: 000055e2c448a810 RCX: 00007fbe8255837d
[   10.757279][  T238] RDX: 0000000000000000 RSI: 000055e2b316cffd RDI: 0000000000000000
[   10.757279][  T238] RBP: 00007fff88e95aa0 R08: 0000000000000000 R09: 0000000000000000
[   10.757280][  T238] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e2b316cffd
[   10.757281][  T238] R13: 000055e2c448a960 R14: 0000000000040000 R15: 0000000000000000
| [   12.141170][  T291] softirqs last disabled at (20460): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.141172][  T291] Preemption disabled at:
| [   12.141173][  T291] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.141182][  T291] Tainted: [W]=WARN
[   12.141183][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.141185][  T291] Call Trace:
[   12.141187][  T291]  <TASK>
[   12.141189][  T291]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.141195][  T291]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.141197][  T291]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.141202][  T291]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.141207][  T291]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.141212][  T291]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.141214][  T291]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.141220][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.141223][  T291]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.141226][  T291]  put_chars (drivers/char/virtio_console.c:1176)
[   12.141228][  T291]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.141233][  T291]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.141236][  T291]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.141239][  T291]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.141241][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.141243][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.141247][  T291]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.141249][  T291]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.141252][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.141256][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.141260][  T291]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.141264][  T291]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.141265][  T291]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.141269][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.141271][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.141275][  T291]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.141279][  T291]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.141281][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.141286][  T291]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.141289][  T291]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.141291][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.141293][  T291]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.141297][  T291]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.141298][  T291]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.141302][  T291]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.141305][  T291]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.141308][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.141309][  T291]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.141314][  T291]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.141317][  T291]  _printk (kernel/printk/printk.c:2504)
[   12.141321][  T291]  ? snapshot_read.cold (user.c:?)
[   12.141325][  T291]  ? br_multicast_flood (??:?) bridge
[   12.141338][  T291]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.141339][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.141340][  T291]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.141345][  T291] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.141355][  T291] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.141363][  T291] new_nbp (net/bridge/br_if.c:449) bridge
[   12.141373][  T291] br_add_if (net/bridge/br_if.c:592) bridge
[   12.141380][  T291]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.141384][  T291]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.141387][  T291]  ? __kernel_text_address (kernel/extable.c:79)
[   12.141391][  T291]  do_set_master (net/core/rtnetlink.c:3071)
[   12.141396][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.141399][  T291]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.141402][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.141404][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.141406][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.141410][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.141413][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.141415][  T291]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.141417][  T291]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.141420][  T291]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.141422][  T291]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.141425][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.141427][  T291]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.141430][  T291]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.141435][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.141437][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.141439][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.141442][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.141443][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.141445][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.141448][  T291]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.141452][  T291]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.141453][  T291]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.141456][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.141459][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.141461][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.141465][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.141471][  T291]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.141476][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.141478][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.141482][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.141484][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.141486][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.141488][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.141492][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.141494][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.141497][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.141498][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.141503][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.141505][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.141508][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.141510][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.141513][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.141519][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.141520][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.141525][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.141528][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.141532][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.141537][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.141541][  T291]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.141545][  T291]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.141551][  T291]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.141553][  T291]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.141555][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.141557][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   12.141564][  T291]  ___sys_sendmsg (net/socket.c:2767)
[   12.141567][  T291]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.141583][  T291]  __sys_sendmsg (net/socket.c:2799)
[   12.141586][  T291]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.141595][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.141599][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.141624][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.141628][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.141630][  T291] RIP: 0033:0x7f19262ea54e
[   12.141634][  T291] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.141636][  T291] RSP: 002b:00007fff0d15ad00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.141639][  T291] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f19262ea54e
[   12.141640][  T291] RDX: 0000000000000000 RSI: 00007fff0d15adb0 RDI: 0000000000000005
[   12.141641][  T291] RBP: 00007fff0d15ad10 R08: 0000000000000000 R09: 0000000000000000
[   12.141642][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b26e
[   12.141643][  T291] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0d15b470
| [   13.798390][  T352] softirqs last disabled at (18342): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.798392][  T352] Preemption disabled at:
| [   13.798393][  T352] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.798402][  T352] Tainted: [W]=WARN
[   13.798403][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.798405][  T352] Call Trace:
[   13.798407][  T352]  <TASK>
[   13.798408][  T352]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.798414][  T352]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.798416][  T352]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.798421][  T352]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.798425][  T352]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.798431][  T352]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.798433][  T352]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.798438][  T352]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.798441][  T352]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.798444][  T352]  put_chars (drivers/char/virtio_console.c:1176)
[   13.798446][  T352]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.798448][  T352]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.798451][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.798456][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.798458][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.798462][  T352]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.798465][  T352]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.798467][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.798468][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.798472][  T352]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.798474][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.798477][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.798480][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.798484][  T352]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.798488][  T352]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.798489][  T352]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.798493][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.798495][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.798499][  T352]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.798503][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.798505][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.798510][  T352]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.798513][  T352]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.798515][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.798517][  T352]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.798521][  T352]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.798523][  T352]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.798526][  T352]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.798530][  T352]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.798533][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.798535][  T352]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.798539][  T352]  _printk (kernel/printk/printk.c:2504)
[   13.798543][  T352]  ? snapshot_read.cold (user.c:?)
[   13.798547][  T352]  ? br_multicast_flood (??:?) bridge
[   13.798559][  T352]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.798561][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.798562][  T352]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.798566][  T352] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.798577][  T352] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.798586][  T352] new_nbp (net/bridge/br_if.c:449) bridge
[   13.798597][  T352] br_add_if (net/bridge/br_if.c:592) bridge
[   13.798604][  T352]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.798608][  T352]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.798611][  T352]  ? __kernel_text_address (kernel/extable.c:79)
[   13.798615][  T352]  do_set_master (net/core/rtnetlink.c:3071)
[   13.798620][  T352]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.798623][  T352]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.798626][  T352]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.798627][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.798629][  T352]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.798633][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.798635][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.798637][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.798640][  T352]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.798643][  T352]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.798645][  T352]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.798647][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.798649][  T352]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   13.798653][  T352]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.798657][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.798659][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.798662][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.798664][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.798666][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.798668][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.798670][  T352]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.798674][  T352]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.798677][  T352]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.798679][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.798683][  T352]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.798684][  T352]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.798689][  T352]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.798694][  T352]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.798699][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.798701][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.798706][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.798708][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.798711][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.798714][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.798719][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.798721][  T352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.798724][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.798726][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.798730][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.798732][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.798735][  T352]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.798737][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.798740][  T352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.798746][  T352]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.798748][  T352]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.798752][  T352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.798756][  T352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.798758][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.798762][  T352]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.798766][  T352]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.798770][  T352]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.798775][  T352]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.798777][  T352]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.798780][  T352]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.798781][  T352]  ? move_addr_to_kernel (net/socket.c:258)
[   13.798789][  T352]  ___sys_sendmsg (net/socket.c:2767)
[   13.798791][  T352]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.798807][  T352]  __sys_sendmsg (net/socket.c:2799)
[   13.798810][  T352]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.798816][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.798819][  T352]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.798822][  T352]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.798825][  T352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.798827][  T352] RIP: 0033:0x7fa9a7a9254e
[   13.798830][  T352] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.798832][  T352] RSP: 002b:00007fff1ab2f420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.798835][  T352] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa9a7a9254e
[   13.798836][  T352] RDX: 0000000000000000 RSI: 00007fff1ab2f4d0 RDI: 0000000000000005
[   13.798837][  T352] RBP: 00007fff1ab2f430 R08: 0000000000000000 R09: 0000000000000000
[   13.798838][  T352] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b270
[   13.798839][  T352] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1ab2fb90
| [   15.302431][  T408] softirqs last disabled at (19328): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.302434][  T408] Preemption disabled at:
| [   15.302435][  T408] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.302443][  T408] Tainted: [W]=WARN
[   15.302444][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.302446][  T408] Call Trace:
[   15.302448][  T408]  <TASK>
[   15.302449][  T408]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.302457][  T408]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.302460][  T408]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.302466][  T408]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.302471][  T408]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.302476][  T408]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.302479][  T408]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.302484][  T408]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.302487][  T408]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.302490][  T408]  put_chars (drivers/char/virtio_console.c:1176)
[   15.302492][  T408]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.302494][  T408]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.302497][  T408]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.302501][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.302504][  T408]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.302507][  T408]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.302510][  T408]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.302512][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.302513][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.302517][  T408]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.302519][  T408]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.302522][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.302525][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.302529][  T408]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.302533][  T408]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.302534][  T408]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.302538][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.302540][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.302544][  T408]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.302548][  T408]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.302549][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.302554][  T408]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.302557][  T408]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.302559][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.302561][  T408]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.302565][  T408]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.302566][  T408]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.302570][  T408]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.302573][  T408]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.302576][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.302578][  T408]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.302582][  T408]  _printk (kernel/printk/printk.c:2504)
[   15.302586][  T408]  ? snapshot_read.cold (user.c:?)
[   15.302591][  T408]  ? br_multicast_flood (??:?) bridge
[   15.302604][  T408]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.302606][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.302607][  T408]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.302611][  T408] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.302622][  T408] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.302630][  T408] new_nbp (net/bridge/br_if.c:449) bridge
[   15.302639][  T408] br_add_if (net/bridge/br_if.c:592) bridge
[   15.302646][  T408]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.302650][  T408]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.302653][  T408]  ? __kernel_text_address (kernel/extable.c:79)
[   15.302657][  T408]  do_set_master (net/core/rtnetlink.c:3071)
[   15.302661][  T408]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.302664][  T408]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.302667][  T408]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.302669][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.302670][  T408]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.302674][  T408]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.302677][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.302678][  T408]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.302681][  T408]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.302684][  T408]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.302686][  T408]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.302688][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.302690][  T408]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   15.302693][  T408]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.302698][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.302700][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.302702][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.302705][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.302706][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.302708][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.302710][  T408]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.302715][  T408]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.302718][  T408]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.302720][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.302723][  T408]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.302725][  T408]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.302730][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.302735][  T408]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.302740][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.302742][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.302746][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.302748][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.302750][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.302752][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.302755][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.302757][  T408]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.302760][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.302762][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.302766][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.302768][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.302771][  T408]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.302773][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.302776][  T408]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.302782][  T408]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.302783][  T408]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.302787][  T408]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.302791][  T408]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.302793][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.302797][  T408]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.302801][  T408]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.302805][  T408]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.302810][  T408]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.302812][  T408]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.302815][  T408]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.302816][  T408]  ? move_addr_to_kernel (net/socket.c:258)
[   15.302823][  T408]  ___sys_sendmsg (net/socket.c:2767)
[   15.302826][  T408]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.302841][  T408]  __sys_sendmsg (net/socket.c:2799)
[   15.302844][  T408]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.302850][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.302854][  T408]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.302856][  T408]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.302859][  T408]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.302861][  T408] RIP: 0033:0x7f331536154e
[   15.302864][  T408] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.302866][  T408] RSP: 002b:00007ffecebe1360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.302869][  T408] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f331536154e
[   15.302870][  T408] RDX: 0000000000000000 RSI: 00007ffecebe1410 RDI: 0000000000000005
[   15.302871][  T408] RBP: 00007ffecebe1370 R08: 0000000000000000 R09: 0000000000000000
[   15.302872][  T408] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b271
[   15.302873][  T408] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecebe1ad0
| [   24.415500][  T519] softirqs last disabled at (20835): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.415502][  T519] Preemption disabled at:
| [   24.415502][  T519] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.415512][  T519] Tainted: [W]=WARN
[   24.415513][  T519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.415514][  T519] Call Trace:
[   24.415516][  T519]  <TASK>
[   24.415517][  T519]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.415523][  T519]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.415525][  T519]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.415530][  T519]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.415534][  T519]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.415539][  T519]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.415542][  T519]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.415547][  T519]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.415550][  T519]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.415553][  T519]  put_chars (drivers/char/virtio_console.c:1176)
[   24.415555][  T519]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   24.415557][  T519]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.415560][  T519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.415564][  T519]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.415568][  T519]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.415571][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.415573][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.415577][  T519]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.415579][  T519]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.415582][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.415585][  T519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.415591][  T519]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.415595][  T519]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.415597][  T519]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.415600][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.415602][  T519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.415606][  T519]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.415610][  T519]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.415612][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.415617][  T519]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.415620][  T519]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.415622][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.415624][  T519]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.415628][  T519]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.415629][  T519]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.415633][  T519]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.415637][  T519]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.415643][  T519]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   24.415646][  T519]  _printk (kernel/printk/printk.c:2504)
[   24.415650][  T519]  ? snapshot_read.cold (user.c:?)
[   24.415656][  T519]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   24.415659][  T519] gact_init_module (net/sched/act_gact.c:180) act_gact
[   24.415661][  T519]  do_one_initcall (init/main.c:1357)
[   24.415664][  T519]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   24.415669][  T519]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   24.415672][  T519]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   24.415677][  T519]  do_init_module (kernel/module/main.c:3117)
[   24.415681][  T519]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.415685][  T519]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   24.415688][  T519]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   24.415692][  T519]  load_module (kernel/module/main.c:3593)
[   24.415700][  T519]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   24.415704][  T519]  ? __ia32_sys_fsconfig (??:?)
[   24.415706][  T519]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   24.415713][  T519]  ? backing_file_read_iter (fs/backing-file.c:211)
[   24.415718][  T519]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.415723][  T519]  init_module_from_file (kernel/module/main.c:3790)
[   24.415727][  T519]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   24.415735][  T519]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.415738][  T519]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.415741][  T519]  idempotent_init_module (kernel/module/main.c:3802)
[   24.415745][  T519]  ? init_module_from_file (kernel/module/main.c:3791)
[   24.415751][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.415754][  T519]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   24.415760][  T519]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   24.415762][  T519]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.415765][  T519]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.415767][  T519]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.415770][  T519]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.415772][  T519] RIP: 0033:0x7fd7a7cc337d
[   24.415775][  T519] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   24.415777][  T519] RSP: 002b:00007ffc5e68fc38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   24.415780][  T519] RAX: ffffffffffffffda RBX: 000056127f681810 RCX: 00007fd7a7cc337d
[   24.415782][  T519] RDX: 0000000000000000 RSI: 00005612547ffffd RDI: 0000000000000000
[   24.415783][  T519] RBP: 00007ffc5e68fcd0 R08: 0000000000000000 R09: 0000000000000000
[   24.415783][  T519] R10: 0000000000000000 R11: 0000000000000246 R12: 00005612547ffffd
[   24.415784][  T519] R13: 000056127f681960 R14: 0000000000040000 R15: 0000000000000000
| [   27.506817][    C2] softirqs last disabled at (1010481): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.506819][    C2] Preemption disabled at:
| [   27.506819][    C2] 0x0
| [   27.506830][    C2] Tainted: [W]=WARN
[   27.506831][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.506833][    C2] Call Trace:
[   27.506835][    C2]  <IRQ>
[   27.506837][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.506842][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.506846][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.506850][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.506853][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506857][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.506860][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.506863][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.506867][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.506868][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.506870][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   27.506872][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.506874][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.506877][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.506880][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.506882][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506883][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506886][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.506888][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.506890][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506892][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506893][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506895][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.506897][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.506899][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.506902][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.506903][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506905][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.506906][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506908][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.506910][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.506911][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.506913][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.506915][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.506917][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.506919][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.506931][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.506932][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.506939][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.506944][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   27.506948][    C2]  _printk (kernel/printk/printk.c:2504)
[   27.506951][    C2]  ? snapshot_read.cold (user.c:?)
[   27.506953][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.506957][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.506959][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.506961][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.506963][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.506966][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.506968][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.506970][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.506972][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.506973][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.506979][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506981][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506991][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.506997][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.506998][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.507004][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.507010][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.507016][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.507019][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.507021][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.507024][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.507026][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.507028][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.507030][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.507032][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.507039][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.507041][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.507043][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.507045][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.507047][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.507049][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.507051][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.507053][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.507055][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.507057][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.507058][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.507060][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.507061][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.507064][    C2]  </IRQ>
[   27.507065][    C2]  <TASK>
[   27.507065][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.507067][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.507069][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.507072][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.507074][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.507077][    C2] RAX: 00000000000f6b2f RBX: ff11000001bec6c0 RCX: ffffffff840f0307
[   27.507079][    C2] RDX: ff11000001bec6c0 RSI: ffffffff86e38af6 RDI: ffffffff8688d8e0
[   27.507079][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.507081][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.507081][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.507083][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.507086][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.507088][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.507090][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.507091][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.507093][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.507095][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.507096][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.507098][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.507100][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.507101][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.507103][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.507105][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.560101][    C2]
| [   27.560165][    C2]
| [   27.560165][    C2] stack backtrace:
| [   27.560376][    C2] Tainted: [W]=WARN
[   27.560377][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.560378][    C2] Call Trace:
[   27.560380][    C2]  <IRQ>
[   27.560381][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.560385][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.560388][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.560390][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.560392][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.560394][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.560396][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.560398][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.560404][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.560407][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.560409][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.560415][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.560417][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.560423][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.560429][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.560436][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.560438][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.560440][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.560443][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.560445][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.560446][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.560449][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.560450][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.560457][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.560459][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.560462][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.560464][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.560466][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.560468][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.560470][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.560471][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.560473][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.560475][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.560477][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.560478][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.560480][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.560481][    C2]  </IRQ>
[   27.560482][    C2]  <TASK>
[   27.560482][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.560484][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.560486][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.560488][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.560489][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.560491][    C2] RAX: 00000000000f6b2f RBX: ff11000001bec6c0 RCX: ffffffff840f0307
[   27.560493][    C2] RDX: ff11000001bec6c0 RSI: ffffffff86e38af6 RDI: ffffffff8688d8e0
[   27.560493][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.560494][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.560495][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.560496][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.560498][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.560500][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.560502][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.560503][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.560505][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.560506][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.560507][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.560509][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.560511][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.560512][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.560514][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.560515][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  110.622446][   T12] softirqs last disabled at (31982): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  110.622448][   T12] Preemption disabled at:
| [  110.622449][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  110.622460][   T12] Tainted: [W]=WARN
[  110.622461][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.622462][   T12] Workqueue: netns cleanup_net
[  110.622469][   T12] Call Trace:
[  110.622470][   T12]  <TASK>
[  110.622472][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  110.622477][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  110.622479][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  110.622483][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  110.622486][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.622490][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  110.622494][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.622496][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.622500][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  110.622501][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.622503][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  110.622505][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  110.622506][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  110.622508][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  110.622510][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  110.622514][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  110.622515][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  110.622516][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.622518][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.622519][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.622521][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.622523][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  110.622526][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  110.622528][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.622529][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.622531][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.622534][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.622536][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  110.622538][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  110.622540][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  110.622542][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  110.622544][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.622546][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  110.622547][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.622549][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  110.622550][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  110.622552][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  110.622554][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  110.622556][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  110.622558][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  110.622560][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  110.622561][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[  110.622564][   T12]  ? kthread (kernel/kthread.c:436)
[  110.622566][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  110.622568][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  110.622571][   T12]  _printk (kernel/printk/printk.c:2504)
[  110.622573][   T12]  ? snapshot_read.cold (user.c:?)
[  110.622576][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  110.622579][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  110.622580][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  110.622582][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  110.622584][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.622586][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  110.622591][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  110.622593][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  110.622595][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  110.622597][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  110.622600][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  110.622603][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  110.622616][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[  110.622624][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[  110.622631][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  110.622633][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[  110.622635][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.622639][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  110.622641][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.622643][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.622644][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.622646][   T12]  process_one_work (kernel/workqueue.c:3387)
[  110.622649][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  110.622652][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.622654][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  110.622657][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  110.622659][   T12]  kthread (kernel/kthread.c:436)
[  110.622660][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.622662][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  110.622663][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.622665][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  110.622667][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.622669][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


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