======================================
| [   11.149111][  T233] softirqs last disabled at (30637): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.149113][  T233] Preemption disabled at:
| [   11.149114][  T233] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.149123][  T233] Tainted: [W]=WARN
[   11.149124][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.149126][  T233] Call Trace:
[   11.149128][  T233]  <TASK>
[   11.149129][  T233]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.149135][  T233]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.149137][  T233]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.149142][  T233]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.149146][  T233]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.149151][  T233]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.149153][  T233]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.149159][  T233]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.149162][  T233]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.149165][  T233]  put_chars (drivers/char/virtio_console.c:1176)
[   11.149167][  T233]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.149169][  T233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.149173][  T233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.149176][  T233]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.149180][  T233]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.149183][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.149188][  T233]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.149191][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.149196][  T233]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.149200][  T233]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.149201][  T233]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.149205][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.149207][  T233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.149211][  T233]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.149215][  T233]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.149217][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.149222][  T233]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.149225][  T233]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.149227][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.149229][  T233]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.149245][  T233]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.149247][  T233]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.149250][  T233]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.149254][  T233]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.149260][  T233]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.149264][  T233]  _printk (kernel/printk/printk.c:2504)
[   11.149268][  T233]  ? snapshot_read.cold (user.c:?)
[   11.149274][  T233]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.149277][  T233] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.149281][  T233]  do_one_initcall (init/main.c:1357)
[   11.149283][  T233]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.149288][  T233]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.149291][  T233]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.149296][  T233]  do_init_module (kernel/module/main.c:3117)
[   11.149300][  T233]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.149304][  T233]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.149307][  T233]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.149311][  T233]  load_module (kernel/module/main.c:3593)
[   11.149318][  T233]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.149322][  T233]  ? __ia32_sys_fsconfig (??:?)
[   11.149325][  T233]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.149329][  T233]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.149332][  T233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.149336][  T233]  init_module_from_file (kernel/module/main.c:3790)
[   11.149339][  T233]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.149347][  T233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.149350][  T233]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.149353][  T233]  idempotent_init_module (kernel/module/main.c:3802)
[   11.149357][  T233]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.149363][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.149366][  T233]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.149372][  T233]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.149374][  T233]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.149377][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.149379][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.149382][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.149384][  T233] RIP: 0033:0x7f1ac50b237d
[   11.149388][  T233] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.149389][  T233] RSP: 002b:00007ffd84e685b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.149392][  T233] RAX: ffffffffffffffda RBX: 000055a3a0891810 RCX: 00007f1ac50b237d
[   11.149393][  T233] RDX: 0000000000000000 RSI: 000055a37c3baffd RDI: 0000000000000000
[   11.149394][  T233] RBP: 00007ffd84e68650 R08: 0000000000000000 R09: 0000000000000000
[   11.149395][  T233] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a37c3baffd
[   11.149396][  T233] R13: 000055a3a0891960 R14: 0000000000040000 R15: 0000000000000000
| [   12.671404][  T281] softirqs last disabled at (28585): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.671407][  T281] Preemption disabled at:
| [   12.671407][  T281] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.671417][  T281] Tainted: [W]=WARN
[   12.671418][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.671420][  T281] Call Trace:
[   12.671421][  T281]  <TASK>
[   12.671423][  T281]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.671428][  T281]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.671431][  T281]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.671435][  T281]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.671439][  T281]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.671444][  T281]  __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))
[   12.671446][  T281]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.671452][  T281]  ? 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)
[   12.671455][  T281]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.671458][  T281]  put_chars (drivers/char/virtio_console.c:1176)
[   12.671460][  T281]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.671462][  T281]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.671465][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.671469][  T281]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.671473][  T281]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.671476][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.671477][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.671482][  T281]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.671483][  T281]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.671486][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.671489][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.671493][  T281]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.671497][  T281]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.671499][  T281]  ? 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))
[   12.671502][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.671505][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.671508][  T281]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.671512][  T281]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.671514][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.671519][  T281]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.671522][  T281]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.671524][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.671526][  T281]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.671530][  T281]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.671532][  T281]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.671535][  T281]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.671539][  T281]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.671545][  T281]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   12.671547][  T281]  _printk (kernel/printk/printk.c:2504)
[   12.671551][  T281]  ? snapshot_read.cold (user.c:?)
[   12.671557][  T281]  ? 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)
[   12.671560][  T281] gre_init (gre.mod.c:?) gre
[   12.671562][  T281]  do_one_initcall (init/main.c:1357)
[   12.671565][  T281]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.671570][  T281]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.671573][  T281]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.671578][  T281]  do_init_module (kernel/module/main.c:3117)
[   12.671581][  T281]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.671585][  T281]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.671589][  T281]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.671593][  T281]  load_module (kernel/module/main.c:3593)
[   12.671600][  T281]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.671607][  T281]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.671610][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.671614][  T281]  init_module_from_file (kernel/module/main.c:3790)
[   12.671617][  T281]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.671625][  T281]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.671629][  T281]  ? 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)
[   12.671632][  T281]  idempotent_init_module (kernel/module/main.c:3802)
[   12.671635][  T281]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.671641][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.671644][  T281]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.671650][  T281]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.671652][  T281]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.671655][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.671657][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.671660][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.671663][  T281] RIP: 0033:0x7f63427bb37d
[   12.671666][  T281] 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
[   12.671668][  T281] RSP: 002b:00007fff9e3896c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.671671][  T281] RAX: ffffffffffffffda RBX: 000055b6248dea40 RCX: 00007f63427bb37d
[   12.671672][  T281] RDX: 0000000000000000 RSI: 000055b5ed7ceffd RDI: 0000000000000001
[   12.671673][  T281] RBP: 00007fff9e389760 R08: 0000000000000000 R09: 0000000000000000
[   12.671674][  T281] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b5ed7ceffd
[   12.671675][  T281] R13: 000055b6248dea00 R14: 0000000000040000 R15: 0000000000000000
| [   13.671451][  T311] softirqs last disabled at (12520): br_stp_enable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:53) bridge
| [   13.671459][  T311] Preemption disabled at:
| [   13.671460][  T311] 0x0
| [   13.671470][  T311] Tainted: [W]=WARN
[   13.671471][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.671472][  T311] Call Trace:
[   13.671474][  T311]  <TASK>
[   13.671475][  T311]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.671482][  T311]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.671487][  T311]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.671491][  T311]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.671496][  T311]  __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))
[   13.671498][  T311]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.671504][  T311]  ? 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)
[   13.671507][  T311]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.671510][  T311]  put_chars (drivers/char/virtio_console.c:1176)
[   13.671512][  T311]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.671514][  T311]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   13.671518][  T311]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.671521][  T311]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.671524][  T311]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.671526][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.671528][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.671532][  T311]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.671533][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.671537][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.671541][  T311]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.671545][  T311]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.671547][  T311]  ? 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))
[   13.671550][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.671554][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.671558][  T311]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.671562][  T311]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.671564][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.671569][  T311]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.671572][  T311]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.671573][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.671576][  T311]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.671579][  T311]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.671581][  T311]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.671585][  T311]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.671588][  T311]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.671594][  T311]  _printk (kernel/printk/printk.c:2504)
[   13.671598][  T311]  ? snapshot_read.cold (user.c:?)
[   13.671603][  T311]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.671605][  T311]  ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158)
[   13.671609][  T311]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.671612][  T311]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.671618][  T311] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.671627][  T311] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.671635][  T311] br_stp_enable_bridge (net/bridge/br_stp_if.c:93 net/bridge/br_stp_if.c:62) bridge
[   13.671643][  T311] br_dev_open (net/bridge/br_device.c:170) bridge
[   13.671653][  T311]  __dev_open (net/core/dev.c:1724)
[   13.671656][  T311]  ? netif_state_change (./include/net/netdev_lock.h:30 (discriminator 1))
[   13.671659][  T311]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.671663][  T311]  __dev_change_flags (net/core/dev.c:9812)
[   13.671666][  T311]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   13.671668][  T311]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.671671][  T311]  ? __kernel_text_address (kernel/extable.c:79)
[   13.671672][  T311]  ? write_profile (profile.c:?)
[   13.671675][  T311]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.671680][  T311]  netif_change_flags (net/core/dev.c:9877)
[   13.671684][  T311]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   13.671687][  T311]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.671689][  T311]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.671690][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.671693][  T311]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.671696][  T311]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.671699][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.671701][  T311]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.671704][  T311]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.671707][  T311]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.671708][  T311]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.671711][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.671713][  T311]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.671716][  T311]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.671720][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.671722][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.671725][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.671727][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.671729][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.671731][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.671733][  T311]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.671737][  T311]  ? __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)
[   13.671739][  T311]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.671741][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.671745][  T311]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.671750][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.671755][  T311]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.671761][  T311]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.671763][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.671767][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.671769][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.671771][  T311]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.671773][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.671777][  T311]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.671779][  T311]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.671782][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.671783][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.671788][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.671790][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.671793][  T311]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.671795][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.671798][  T311]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.671804][  T311]  ? 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))
[   13.671806][  T311]  ? 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))
[   13.671810][  T311]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.671814][  T311]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.671816][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.671821][  T311]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.671824][  T311]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.671828][  T311]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.671834][  T311]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.671836][  T311]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.671838][  T311]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.671840][  T311]  ? move_addr_to_kernel (net/socket.c:258)
[   13.671848][  T311]  ___sys_sendmsg (net/socket.c:2767)
[   13.671851][  T311]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.671867][  T311]  __sys_sendmsg (net/socket.c:2799)
[   13.671870][  T311]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.671876][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.671880][  T311]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.671881][  T311]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.671884][  T311]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.671887][  T311] RIP: 0033:0x7fc0c31cd54e
[   13.671889][  T311] 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
[   13.671891][  T311] RSP: 002b:00007ffff55bb210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.671893][  T311] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc0c31cd54e
[   13.671895][  T311] RDX: 0000000000000000 RSI: 00007ffff55bb2c0 RDI: 0000000000000005
[   13.671896][  T311] RBP: 00007ffff55bb220 R08: 0000000000000000 R09: 0000000000000000
[   13.671896][  T311] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91018a
[   13.671897][  T311] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff55bb980
| [   19.535442][  T353] softirqs last disabled at (25339): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.535444][  T353] Preemption disabled at:
| [   19.535445][  T353] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.535455][  T353] Tainted: [W]=WARN
[   19.535456][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.535458][  T353] Call Trace:
[   19.535459][  T353]  <TASK>
[   19.535461][  T353]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.535466][  T353]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.535469][  T353]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.535473][  T353]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.535477][  T353]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.535483][  T353]  __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))
[   19.535485][  T353]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.535491][  T353]  ? 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)
[   19.535494][  T353]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.535497][  T353]  put_chars (drivers/char/virtio_console.c:1176)
[   19.535499][  T353]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.535501][  T353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.535506][  T353]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.535508][  T353]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.535513][  T353]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.535515][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.535520][  T353]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.535523][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.535528][  T353]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.535532][  T353]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.535533][  T353]  ? 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))
[   19.535537][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.535539][  T353]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.535543][  T353]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.535547][  T353]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.535549][  T353]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.535554][  T353]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.535557][  T353]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.535559][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.535561][  T353]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.535565][  T353]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.535566][  T353]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.535570][  T353]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.535574][  T353]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.535577][  T353]  ? netdev_run_todo (net/core/dev.c:11776)
[   19.535581][  T353]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   19.535585][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.535589][  T353]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   19.535592][  T353]  _printk (kernel/printk/printk.c:2504)
[   19.535596][  T353]  ? snapshot_read.cold (user.c:?)
[   19.535598][  T353]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.535604][  T353]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   19.535606][  T353]  ? __up_write (kernel/locking/rwsem.c:1415)
[   19.535608][  T353]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   19.535611][  T353]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   19.535614][  T353] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   19.535617][  T353]  do_one_initcall (init/main.c:1357)
[   19.535620][  T353]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   19.535625][  T353]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   19.535628][  T353]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   19.535633][  T353]  do_init_module (kernel/module/main.c:3117)
[   19.535637][  T353]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.535641][  T353]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   19.535644][  T353]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   19.535648][  T353]  load_module (kernel/module/main.c:3593)
[   19.535655][  T353]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   19.535659][  T353]  ? __ia32_sys_fsconfig (??:?)
[   19.535662][  T353]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   19.535666][  T353]  ? backing_file_read_iter (fs/backing-file.c:211)
[   19.535669][  T353]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.535673][  T353]  init_module_from_file (kernel/module/main.c:3790)
[   19.535677][  T353]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   19.535685][  T353]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.535688][  T353]  ? 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)
[   19.535691][  T353]  idempotent_init_module (kernel/module/main.c:3802)
[   19.535695][  T353]  ? init_module_from_file (kernel/module/main.c:3791)
[   19.535701][  T353]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.535703][  T353]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.535709][  T353]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   19.535712][  T353]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.535715][  T353]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.535717][  T353]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.535720][  T353]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.535722][  T353] RIP: 0033:0x7fac172a337d
[   19.535726][  T353] 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
[   19.535728][  T353] RSP: 002b:00007ffd855fd738 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   19.535730][  T353] RAX: ffffffffffffffda RBX: 00005592ed955810 RCX: 00007fac172a337d
[   19.535732][  T353] RDX: 0000000000000000 RSI: 00005592d0168ffd RDI: 0000000000000000
[   19.535733][  T353] RBP: 00007ffd855fd7d0 R08: 0000000000000000 R09: 0000000000000000
[   19.535734][  T353] R10: 0000000000000000 R11: 0000000000000246 R12: 00005592d0168ffd
[   19.535734][  T353] R13: 00005592ed955960 R14: 0000000000040000 R15: 0000000000000000
| [   29.053718][    C2] softirqs last disabled at (717541): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.053719][    C2] Preemption disabled at:
| [   29.053720][    C2] 0x0
| [   29.053731][    C2] Tainted: [W]=WARN
[   29.053732][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.053733][    C2] Call Trace:
[   29.053735][    C2]  <IRQ>
[   29.053738][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.053743][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.053747][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.053750][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   29.053753][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.053757][    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))
[   29.053760][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.053763][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.053767][    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)
[   29.053769][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.053771][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   29.053773][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.053774][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.053778][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.053781][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.053782][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.053784][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.053786][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.053788][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.053790][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.053792][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.053794][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.053795][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.053797][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.053799][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.053802][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.053804][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.053805][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.053807][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.053809][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.053810][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.053812][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.053814][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.053816][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.053818][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.053820][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.053832][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.053834][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.053840][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.053846][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   29.053850][    C2]  _printk (kernel/printk/printk.c:2504)
[   29.053853][    C2]  ? snapshot_read.cold (user.c:?)
[   29.053855][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   29.053859][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.053861][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   29.053863][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   29.053865][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.053868][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.053870][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.053872][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.053874][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.053876][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.053882][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.053884][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.053886][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.053892][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.053894][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.053900][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.053906][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.053912][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   29.053915][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.053917][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.053920][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.053922][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.053924][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.053926][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.053928][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.053935][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.053937][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.053940][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.053942][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.053944][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.053946][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.053948][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.053950][    C2]  handle_softirqs (kernel/softirq.c:645)
[   29.053952][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.053953][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.053955][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.053957][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   29.053958][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.053961][    C2]  </IRQ>
[   29.053962][    C2]  <TASK>
[   29.053962][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.053964][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.053966][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.053969][    C2] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   29.053970][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   29.053974][    C2] RAX: 00000000000af2e3 RBX: ff11000001bec6c0 RCX: ffffffff9e0f0307
[   29.053975][    C2] RDX: ff11000001bec6c0 RSI: ffffffffa0e38b01 RDI: ffffffffa088d8e0
[   29.053976][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.053977][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   29.053978][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   29.053979][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.053982][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.053984][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   29.053986][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.053988][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   29.053989][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.053992][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.053993][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.053995][    C2]  do_idle (kernel/sched/idle.c:355)
[   29.053996][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.053998][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   29.054000][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   29.054002][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.120212][    C2]
| [   29.120279][    C2]
| [   29.120279][    C2] stack backtrace:
| [   29.120495][    C2] Tainted: [W]=WARN
[   29.120496][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.120497][    C2] Call Trace:
[   29.120499][    C2]  <IRQ>
[   29.120501][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.120506][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   29.120509][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.120512][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.120514][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.120515][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.120518][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.120520][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.120527][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.120531][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.120533][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.120539][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.120540][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.120546][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.120553][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.120559][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   29.120561][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.120563][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.120567][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.120568][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.120570][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.120573][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.120574][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.120581][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.120583][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.120585][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.120588][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.120590][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.120591][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.120594][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.120595][    C2]  handle_softirqs (kernel/softirq.c:645)
[   29.120597][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.120599][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.120601][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.120602][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   29.120604][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.120606][    C2]  </IRQ>
[   29.120606][    C2]  <TASK>
[   29.120607][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.120609][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.120610][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.120612][    C2] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   29.120614][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   29.120617][    C2] RAX: 00000000000af2e3 RBX: ff11000001bec6c0 RCX: ffffffff9e0f0307
[   29.120618][    C2] RDX: ff11000001bec6c0 RSI: ffffffffa0e38b01 RDI: ffffffffa088d8e0
[   29.120619][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.120620][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   29.120621][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   29.120623][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.120625][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.120627][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   29.120628][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.120630][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   29.120631][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.120633][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.120634][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.120636][    C2]  do_idle (kernel/sched/idle.c:355)
[   29.120638][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.120639][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   29.120641][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   29.120643][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   33.444399][   T38] softirqs last disabled at (95467): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   33.444401][   T38] Preemption disabled at:
| [   33.444402][   T38] 0x0
| [   33.444412][   T38] Tainted: [W]=WARN
[   33.444413][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.444415][   T38] Workqueue: events_unbound linkwatch_event
[   33.444421][   T38] Call Trace:
[   33.444423][   T38]  <TASK>
[   33.444424][   T38]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.444429][   T38]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.444433][   T38]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.444437][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.444440][   T38]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   33.444444][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.444447][   T38]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.444450][   T38]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.444452][   T38]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.444454][   T38]  put_chars (drivers/char/virtio_console.c:1176)
[   33.444456][   T38]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.444457][   T38]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   33.444460][   T38]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   33.444462][   T38]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.444466][   T38]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.444467][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.444468][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.444470][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.444472][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.444474][   T38]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.444476][   T38]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.444478][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.444480][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.444482][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.444483][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.444485][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   33.444487][   T38]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.444490][   T38]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.444492][   T38]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.444494][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.444496][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.444497][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.444499][   T38]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.444501][   T38]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.444502][   T38]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   33.444504][   T38]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.444506][   T38]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.444508][   T38]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.444512][   T38]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.444514][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.444516][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.444518][   T38]  _printk (kernel/printk/printk.c:2504)
[   33.444522][   T38]  ? snapshot_read.cold (user.c:?)
[   33.444524][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.444525][   T38]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   33.444530][   T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   33.444543][   T38] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   33.444551][   T38] br_port_carrier_check (net/bridge/br_if.c:95) bridge
[   33.444559][   T38] br_device_event (net/bridge/br.c:101) bridge
[   33.444567][   T38]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   33.444570][   T38]  ? addrconf_notify (net/ipv6/addrconf.c:3749)
[   33.444574][   T38]  notifier_call_chain (kernel/notifier.c:85)
[   33.444577][   T38]  netif_state_change (net/core/dev.c:1625)
[   33.444580][   T38]  ? dev_deactivate (net/sched/sch_generic.c:1429)
[   33.444582][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   33.444584][   T38]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   33.444586][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   33.444587][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   33.444589][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.444591][   T38]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   33.444595][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   33.444596][   T38]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   33.444598][   T38]  process_one_work (kernel/workqueue.c:3387)
[   33.444604][   T38]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   33.444606][   T38]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.444608][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.444611][   T38]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.444614][   T38]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.444616][   T38]  kthread (kernel/kthread.c:436)
[   33.444618][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.444619][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.444621][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.444624][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   33.444626][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.444628][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.444630][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.713034][   T38] softirqs last disabled at (95467): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   38.713036][   T38] Preemption disabled at:
| [   38.713037][   T38] 0x0
| [   38.713047][   T38] Tainted: [W]=WARN
[   38.713048][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.713050][   T38] Workqueue: events_unbound linkwatch_event
[   38.713056][   T38] Call Trace:
[   38.713057][   T38]  <TASK>
[   38.713059][   T38]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.713064][   T38]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.713068][   T38]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.713071][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.713075][   T38]  __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))
[   38.713079][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.713081][   T38]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.713085][   T38]  ? 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)
[   38.713087][   T38]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.713088][   T38]  put_chars (drivers/char/virtio_console.c:1176)
[   38.713090][   T38]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.713092][   T38]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   38.713095][   T38]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.713098][   T38]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.713101][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.713102][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.713104][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.713106][   T38]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.713109][   T38]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.713111][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.713112][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.713114][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.713116][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.713118][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   38.713119][   T38]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.713122][   T38]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.713124][   T38]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.713126][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.713128][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.713129][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.713131][   T38]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.713132][   T38]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.713134][   T38]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   38.713136][   T38]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.713138][   T38]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.713140][   T38]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.713142][   T38]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.713144][   T38]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[   38.713146][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.713147][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.713149][   T38]  _printk (kernel/printk/printk.c:2504)
[   38.713153][   T38]  ? snapshot_read.cold (user.c:?)
[   38.713154][   T38]  ? netif_get_link_ksettings (net/ethtool/ioctl.c:450)
[   38.713157][   T38]  ? port_cost (net/bridge/br_if.c:40) bridge
[   38.713169][   T38]  ? br_multicast_flood (??:?) bridge
[   38.713177][   T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   38.713185][   T38] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   38.713192][   T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   38.713199][   T38] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   38.713206][   T38] br_device_event (net/bridge/br.c:101) bridge
[   38.713213][   T38]  ? fib6_ifdown (net/ipv6/route.c:4976)
[   38.713216][   T38]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   38.713219][   T38]  ? addrconf_notify (net/ipv6/addrconf.c:3764)
[   38.713223][   T38]  notifier_call_chain (kernel/notifier.c:85)
[   38.713226][   T38]  netif_state_change (net/core/dev.c:1625)
[   38.713229][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   38.713231][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   38.713233][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   38.713235][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.713236][   T38]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   38.713240][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   38.713242][   T38]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   38.713243][   T38]  process_one_work (kernel/workqueue.c:3387)
[   38.713247][   T38]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   38.713249][   T38]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.713251][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.713253][   T38]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   38.713256][   T38]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.713258][   T38]  kthread (kernel/kthread.c:436)
[   38.713260][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.713262][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.713264][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.713267][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   38.713269][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.713271][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.713273][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.647614][   T38] softirqs last disabled at (95467): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   52.647616][   T38] Preemption disabled at:
| [   52.647617][   T38] 0x0
| [   52.647627][   T38] Tainted: [W]=WARN
[   52.647628][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.647630][   T38] Workqueue: events_unbound linkwatch_event
[   52.647636][   T38] Call Trace:
[   52.647638][   T38]  <TASK>
[   52.647639][   T38]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.647645][   T38]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.647649][   T38]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.647652][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.647656][   T38]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.647659][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.647662][   T38]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.647666][   T38]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.647667][   T38]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.647669][   T38]  put_chars (drivers/char/virtio_console.c:1176)
[   52.647671][   T38]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.647673][   T38]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   52.647676][   T38]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   52.647678][   T38]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.647681][   T38]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.647682][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.647684][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.647685][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.647687][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.647689][   T38]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.647692][   T38]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.647694][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.647696][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.647697][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.647699][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.647701][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   52.647703][   T38]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.647705][   T38]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.647708][   T38]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.647709][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.647711][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.647712][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.647714][   T38]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.647715][   T38]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.647717][   T38]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   52.647719][   T38]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.647721][   T38]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.647723][   T38]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.647726][   T38]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.647728][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.647730][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.647733][   T38]  _printk (kernel/printk/printk.c:2504)
[   52.647736][   T38]  ? snapshot_read.cold (user.c:?)
[   52.647738][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.647740][   T38]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   52.647744][   T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   52.647757][   T38] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   52.647765][   T38] br_port_carrier_check (net/bridge/br_if.c:95) bridge
[   52.647774][   T38] br_device_event (net/bridge/br.c:101) bridge
[   52.647782][   T38]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   52.647784][   T38]  ? addrconf_notify (net/ipv6/addrconf.c:3749)
[   52.647788][   T38]  notifier_call_chain (kernel/notifier.c:85)
[   52.647792][   T38]  netif_state_change (net/core/dev.c:1625)
[   52.647794][   T38]  ? dev_deactivate (net/sched/sch_generic.c:1429)
[   52.647797][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   52.647799][   T38]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   52.647801][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   52.647802][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   52.647804][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.647805][   T38]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   52.647810][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   52.647811][   T38]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   52.647813][   T38]  process_one_work (kernel/workqueue.c:3387)
[   52.647817][   T38]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   52.647818][   T38]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.647820][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.647823][   T38]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   52.647826][   T38]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   52.647827][   T38]  kthread (kernel/kthread.c:436)
[   52.647829][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.647830][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   52.647832][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.647835][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   52.647837][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.647840][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   52.647841][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   57.885812][   T36] softirqs last disabled at (89690): kernel_fpu_begin_mask (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:475 (discriminator 2))
| [   57.885814][   T36] Preemption disabled at:
| [   57.885815][   T36] 0x0
| [   57.885824][   T36] Tainted: [W]=WARN
[   57.885825][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.885827][   T36] Workqueue: events_unbound linkwatch_event
[   57.885832][   T36] Call Trace:
[   57.885834][   T36]  <TASK>
[   57.885835][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.885841][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.885844][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.885848][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.885851][   T36]  __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))
[   57.885855][   T36]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.885857][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.885861][   T36]  ? 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)
[   57.885862][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.885864][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   57.885866][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.885867][   T36]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   57.885871][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.885874][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.885876][   T36]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.885878][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.885880][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.885882][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.885884][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.885886][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.885888][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.885889][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.885891][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.885893][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   57.885894][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.885897][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.885899][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.885901][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.885902][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.885904][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.885905][   T36]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   57.885907][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.885908][   T36]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   57.885910][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.885912][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.885914][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.885916][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.885918][   T36]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[   57.885919][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.885921][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.885923][   T36]  _printk (kernel/printk/printk.c:2504)
[   57.885926][   T36]  ? snapshot_read.cold (user.c:?)
[   57.885928][   T36]  ? netif_get_link_ksettings (net/ethtool/ioctl.c:450)
[   57.885931][   T36]  ? port_cost (net/bridge/br_if.c:40) bridge
[   57.885943][   T36]  ? br_multicast_flood (??:?) bridge
[   57.885950][   T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   57.885958][   T36] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   57.885966][   T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   57.885972][   T36] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   57.885979][   T36] br_device_event (net/bridge/br.c:101) bridge
[   57.885986][   T36]  ? fib6_ifdown (net/ipv6/route.c:4976)
[   57.885989][   T36]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   57.885991][   T36]  ? addrconf_notify (net/ipv6/addrconf.c:3764)
[   57.885995][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   57.885998][   T36]  netif_state_change (net/core/dev.c:1625)
[   57.886001][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   57.886004][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   57.886005][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   57.886007][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.886009][   T36]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   57.886013][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   57.886014][   T36]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   57.886016][   T36]  process_one_work (kernel/workqueue.c:3387)
[   57.886019][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   57.886021][   T36]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.886023][   T36]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.886025][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   57.886028][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   57.886029][   T36]  kthread (kernel/kthread.c:436)
[   57.886031][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   57.886034][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   57.886035][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   57.886037][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   57.886039][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   57.886041][   T36]  ? 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
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
kernel_fpu_begin_mask:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
br_stp_enable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print