======================================
| [   11.248338][  T233] softirqs last disabled at (19659): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.248341][  T233] Preemption disabled at:
| [   11.248341][  T233] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.248351][  T233] Tainted: [W]=WARN
[   11.248352][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.248354][  T233] Call Trace:
[   11.248356][  T233]  <TASK>
[   11.248357][  T233]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.248363][  T233]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.248365][  T233]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.248370][  T233]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.248374][  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)
[   11.248379][  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))
[   11.248381][  T233]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.248387][  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)
[   11.248390][  T233]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.248393][  T233]  put_chars (drivers/char/virtio_console.c:1176)
[   11.248395][  T233]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.248397][  T233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.248402][  T233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.248404][  T233]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.248408][  T233]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.248411][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.248416][  T233]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.248418][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.248423][  T233]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.248427][  T233]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.248429][  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))
[   11.248432][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.248434][  T233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.248438][  T233]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.248441][  T233]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.248443][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.248448][  T233]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.248451][  T233]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.248453][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.248455][  T233]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.248458][  T233]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.248460][  T233]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.248463][  T233]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.248467][  T233]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.248473][  T233]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.248476][  T233]  _printk (kernel/printk/printk.c:2504)
[   11.248480][  T233]  ? snapshot_read.cold (user.c:?)
[   11.248486][  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)
[   11.248489][  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
[   11.248492][  T233]  do_one_initcall (init/main.c:1357)
[   11.248494][  T233]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.248499][  T233]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.248502][  T233]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.248507][  T233]  do_init_module (kernel/module/main.c:3117)
[   11.248510][  T233]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.248515][  T233]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.248518][  T233]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.248522][  T233]  load_module (kernel/module/main.c:3593)
[   11.248529][  T233]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.248532][  T233]  ? __ia32_sys_fsconfig (??:?)
[   11.248535][  T233]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.248539][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.248541][  T233]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.248544][  T233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.248547][  T233]  init_module_from_file (kernel/module/main.c:3790)
[   11.248550][  T233]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.248558][  T233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.248562][  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)
[   11.248565][  T233]  idempotent_init_module (kernel/module/main.c:3802)
[   11.248568][  T233]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.248574][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.248576][  T233]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.248582][  T233]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.248584][  T233]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.248588][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.248589][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.248592][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.248595][  T233] RIP: 0033:0x7f108c4cc37d
[   11.248598][  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
[   11.248600][  T233] RSP: 002b:00007ffd47219c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.248603][  T233] RAX: ffffffffffffffda RBX: 000055becdc16810 RCX: 00007f108c4cc37d
[   11.248604][  T233] RDX: 0000000000000000 RSI: 000055bebaf3affd RDI: 0000000000000000
[   11.248605][  T233] RBP: 00007ffd47219d10 R08: 0000000000000000 R09: 0000000000000000
[   11.248606][  T233] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bebaf3affd
[   11.248607][  T233] R13: 000055becdc16960 R14: 0000000000040000 R15: 0000000000000000
| [   12.742159][  T281] softirqs last disabled at (26423): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.742161][  T281] Preemption disabled at:
| [   12.742162][  T281] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.742172][  T281] Tainted: [W]=WARN
[   12.742172][  T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.742175][  T281] Call Trace:
[   12.742177][  T281]  <TASK>
[   12.742178][  T281]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.742184][  T281]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.742186][  T281]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.742190][  T281]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.742194][  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)
[   12.742199][  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))
[   12.742201][  T281]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.742207][  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)
[   12.742209][  T281]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.742212][  T281]  put_chars (drivers/char/virtio_console.c:1176)
[   12.742214][  T281]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.742216][  T281]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.742219][  T281]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.742223][  T281]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.742227][  T281]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.742229][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.742231][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.742235][  T281]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.742237][  T281]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.742240][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.742243][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.742247][  T281]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.742250][  T281]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.742252][  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))
[   12.742255][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.742258][  T281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.742261][  T281]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.742265][  T281]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.742267][  T281]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.742272][  T281]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.742275][  T281]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.742277][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.742279][  T281]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.742282][  T281]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.742284][  T281]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.742287][  T281]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.742292][  T281]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.742297][  T281]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   12.742300][  T281]  _printk (kernel/printk/printk.c:2504)
[   12.742304][  T281]  ? snapshot_read.cold (user.c:?)
[   12.742310][  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)
[   12.742313][  T281] gre_init (gre.mod.c:?) gre
[   12.742315][  T281]  do_one_initcall (init/main.c:1357)
[   12.742318][  T281]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.742323][  T281]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.742326][  T281]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.742330][  T281]  do_init_module (kernel/module/main.c:3117)
[   12.742334][  T281]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.742338][  T281]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.742341][  T281]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.742345][  T281]  load_module (kernel/module/main.c:3593)
[   12.742352][  T281]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.742357][  T281]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.742361][  T281]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.742364][  T281]  init_module_from_file (kernel/module/main.c:3790)
[   12.742368][  T281]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.742376][  T281]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.742379][  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)
[   12.742382][  T281]  idempotent_init_module (kernel/module/main.c:3802)
[   12.742385][  T281]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.742392][  T281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.742394][  T281]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.742400][  T281]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.742402][  T281]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.742405][  T281]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.742407][  T281]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.742410][  T281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.742412][  T281] RIP: 0033:0x7f65f995537d
[   12.742415][  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
[   12.742417][  T281] RSP: 002b:00007ffe6dd3bd48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.742420][  T281] RAX: ffffffffffffffda RBX: 00005569f9d72a40 RCX: 00007f65f995537d
[   12.742421][  T281] RDX: 0000000000000000 RSI: 00005569c73ceffd RDI: 0000000000000001
[   12.742422][  T281] RBP: 00007ffe6dd3bde0 R08: 0000000000000000 R09: 0000000000000000
[   12.742423][  T281] R10: 0000000000000000 R11: 0000000000000246 R12: 00005569c73ceffd
[   12.742424][  T281] R13: 00005569f9d72a00 R14: 0000000000040000 R15: 0000000000000000
| [   13.942106][  T321] softirqs last disabled at (18761): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.942108][  T321] Preemption disabled at:
| [   13.942109][  T321] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.942119][  T321] Tainted: [W]=WARN
[   13.942120][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.942122][  T321] Call Trace:
[   13.942124][  T321]  <TASK>
[   13.942125][  T321]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.942131][  T321]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.942134][  T321]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.942138][  T321]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.942142][  T321]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.942147][  T321]  __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))
[   13.942150][  T321]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.942155][  T321]  ? 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)
[   13.942158][  T321]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.942161][  T321]  put_chars (drivers/char/virtio_console.c:1176)
[   13.942163][  T321]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   13.942165][  T321]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.942168][  T321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.942171][  T321]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.942176][  T321]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.942178][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.942180][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.942184][  T321]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.942186][  T321]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.942189][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.942192][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.942196][  T321]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.942199][  T321]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.942201][  T321]  ? 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))
[   13.942204][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.942207][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.942210][  T321]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.942214][  T321]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.942216][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.942221][  T321]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.942224][  T321]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.942226][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.942228][  T321]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.942232][  T321]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.942233][  T321]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.942236][  T321]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.942241][  T321]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.942247][  T321]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   13.942250][  T321]  _printk (kernel/printk/printk.c:2504)
[   13.942254][  T321]  ? snapshot_read.cold (user.c:?)
[   13.942260][  T321]  ? 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)
[   13.942263][  T321] gact_init_module (net/sched/act_gact.c:180) act_gact
[   13.942266][  T321]  do_one_initcall (init/main.c:1357)
[   13.942268][  T321]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.942273][  T321]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.942276][  T321]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.942281][  T321]  do_init_module (kernel/module/main.c:3117)
[   13.942284][  T321]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.942289][  T321]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.942292][  T321]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.942296][  T321]  load_module (kernel/module/main.c:3593)
[   13.942303][  T321]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.942307][  T321]  ? __ia32_sys_fsconfig (??:?)
[   13.942309][  T321]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   13.942314][  T321]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.942317][  T321]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.942321][  T321]  init_module_from_file (kernel/module/main.c:3790)
[   13.942324][  T321]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.942332][  T321]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.942335][  T321]  ? 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)
[   13.942338][  T321]  idempotent_init_module (kernel/module/main.c:3802)
[   13.942342][  T321]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.942348][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.942350][  T321]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.942356][  T321]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.942358][  T321]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.942362][  T321]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.942363][  T321]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.942366][  T321]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.942369][  T321] RIP: 0033:0x7f0878eb637d
[   13.942373][  T321] 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
[   13.942375][  T321] RSP: 002b:00007fffabcfd6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.942378][  T321] RAX: ffffffffffffffda RBX: 000055c3c7604810 RCX: 00007f0878eb637d
[   13.942379][  T321] RDX: 0000000000000000 RSI: 000055c3a813effd RDI: 0000000000000000
[   13.942380][  T321] RBP: 00007fffabcfd760 R08: 0000000000000000 R09: 0000000000000000
[   13.942381][  T321] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c3a813effd
[   13.942382][  T321] R13: 000055c3c7604960 R14: 0000000000040000 R15: 0000000000000000
| [   19.563511][  T354] softirqs last disabled at (24373): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.563514][  T354] Preemption disabled at:
| [   19.563514][  T354] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.563524][  T354] Tainted: [W]=WARN
[   19.563525][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.563528][  T354] Call Trace:
[   19.563529][  T354]  <TASK>
[   19.563531][  T354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.563537][  T354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.563539][  T354]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.563544][  T354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.563548][  T354]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.563553][  T354]  __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))
[   19.563556][  T354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.563561][  T354]  ? 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)
[   19.563564][  T354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.563567][  T354]  put_chars (drivers/char/virtio_console.c:1176)
[   19.563570][  T354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.563572][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.563577][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.563579][  T354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.563583][  T354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.563586][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.563591][  T354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.563593][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.563598][  T354]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.563602][  T354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.563604][  T354]  ? 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))
[   19.563607][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.563609][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.563613][  T354]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.563617][  T354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.563619][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.563624][  T354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.563626][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.563628][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.563630][  T354]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.563634][  T354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.563635][  T354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.563639][  T354]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.563643][  T354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.563646][  T354]  ? netdev_run_todo (net/core/dev.c:11776)
[   19.563650][  T354]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   19.563653][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.563657][  T354]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   19.563659][  T354]  _printk (kernel/printk/printk.c:2504)
[   19.563663][  T354]  ? snapshot_read.cold (user.c:?)
[   19.563665][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.563668][  T354]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   19.563669][  T354]  ? __up_write (kernel/locking/rwsem.c:1415)
[   19.563671][  T354]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   19.563674][  T354]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   19.563676][  T354] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   19.563679][  T354]  do_one_initcall (init/main.c:1357)
[   19.563682][  T354]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   19.563686][  T354]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   19.563690][  T354]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   19.563694][  T354]  do_init_module (kernel/module/main.c:3117)
[   19.563698][  T354]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.563702][  T354]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   19.563705][  T354]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   19.563709][  T354]  load_module (kernel/module/main.c:3593)
[   19.563716][  T354]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   19.563720][  T354]  ? __ia32_sys_fsconfig (??:?)
[   19.563723][  T354]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   19.563727][  T354]  ? backing_file_read_iter (fs/backing-file.c:211)
[   19.563730][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.563733][  T354]  init_module_from_file (kernel/module/main.c:3790)
[   19.563737][  T354]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   19.563744][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.563748][  T354]  ? 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)
[   19.563751][  T354]  idempotent_init_module (kernel/module/main.c:3802)
[   19.563754][  T354]  ? init_module_from_file (kernel/module/main.c:3791)
[   19.563760][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.563763][  T354]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.563769][  T354]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   19.563771][  T354]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.563774][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.563776][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.563779][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.563781][  T354] RIP: 0033:0x7ff30daf437d
[   19.563785][  T354] 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
[   19.563786][  T354] RSP: 002b:00007ffc28156048 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   19.563789][  T354] RAX: ffffffffffffffda RBX: 000056149dbf0810 RCX: 00007ff30daf437d
[   19.563790][  T354] RDX: 0000000000000000 RSI: 0000561465dbeffd RDI: 0000000000000000
[   19.563791][  T354] RBP: 00007ffc281560e0 R08: 0000000000000000 R09: 0000000000000000
[   19.563792][  T354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561465dbeffd
[   19.563793][  T354] R13: 000056149dbf0960 R14: 0000000000040000 R15: 0000000000000000
| [   29.046046][    C3] softirqs last disabled at (709939): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.046047][    C3] Preemption disabled at:
| [   29.046048][    C3] 0x0
| [   29.046059][    C3] Tainted: [W]=WARN
[   29.046060][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.046062][    C3] Call Trace:
[   29.046064][    C3]  <IRQ>
[   29.046067][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.046072][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.046076][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.046079][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   29.046082][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.046086][    C3]  __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))
[   29.046090][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.046092][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.046096][    C3]  ? 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)
[   29.046097][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.046099][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   29.046102][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.046103][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.046106][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.046110][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.046111][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.046113][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.046115][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.046118][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.046120][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.046121][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.046123][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.046125][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.046126][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.046129][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.046131][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.046133][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.046134][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.046136][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.046138][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.046139][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.046141][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.046143][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.046145][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.046147][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.046149][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.046161][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.046162][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.046169][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.046175][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   29.046178][    C3]  _printk (kernel/printk/printk.c:2504)
[   29.046181][    C3]  ? snapshot_read.cold (user.c:?)
[   29.046183][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   29.046187][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.046189][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   29.046191][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   29.046193][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.046196][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.046198][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.046199][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.046201][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.046203][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.046209][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.046211][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.046213][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.046219][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.046221][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.046227][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.046233][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.046239][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   29.046242][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.046244][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.046247][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.046249][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.046251][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.046253][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.046255][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.046261][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.046263][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.046266][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.046268][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.046270][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.046271][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.046274][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.046275][    C3]  handle_softirqs (kernel/softirq.c:645)
[   29.046277][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.046279][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.046281][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.046282][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   29.046283][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.046286][    C3]  </IRQ>
[   29.046287][    C3]  <TASK>
[   29.046287][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.046289][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.046292][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.046294][    C3] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  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
[   29.046296][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   29.046300][    C3] RAX: 00000000000ad531 RBX: ff11000001c88040 RCX: ffffffff906f0307
[   29.046301][    C3] RDX: ff11000001c88040 RSI: ffffffff93438b1c RDI: ffffffff92e8d8e0
[   29.046302][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.046302][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   29.046303][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   29.046305][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.046308][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.046310][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   29.046311][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.046313][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   29.046314][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.046317][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.046318][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.046320][    C3]  do_idle (kernel/sched/idle.c:355)
[   29.046321][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.046323][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   29.046325][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   29.046327][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.105813][    C3]
| [   29.105880][    C3]
| [   29.105880][    C3] stack backtrace:
| [   29.106111][    C3] Tainted: [W]=WARN
[   29.106112][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.106114][    C3] Call Trace:
[   29.106115][    C3]  <IRQ>
[   29.106117][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.106122][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   29.106125][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.106128][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.106130][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.106132][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.106134][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.106136][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.106145][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.106148][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.106150][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.106156][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.106158][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.106164][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.106171][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.106177][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   29.106180][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.106182][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.106186][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.106188][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.106190][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.106192][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.106194][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.106201][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.106203][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.106206][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.106208][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.106210][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.106212][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.106214][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.106216][    C3]  handle_softirqs (kernel/softirq.c:645)
[   29.106218][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.106220][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.106222][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.106223][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   29.106224][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.106226][    C3]  </IRQ>
[   29.106227][    C3]  <TASK>
[   29.106228][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.106229][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.106231][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.106233][    C3] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  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
[   29.106235][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   29.106238][    C3] RAX: 00000000000ad531 RBX: ff11000001c88040 RCX: ffffffff906f0307
[   29.106239][    C3] RDX: ff11000001c88040 RSI: ffffffff93438b1c RDI: ffffffff92e8d8e0
[   29.106240][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.106241][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   29.106242][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   29.106244][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.106246][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.106248][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   29.106249][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.106251][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   29.106253][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.106254][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.106256][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.106258][    C3]  do_idle (kernel/sched/idle.c:355)
[   29.106259][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.106261][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   29.106262][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   29.106264][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   33.463576][   T38] softirqs last disabled at (137731): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   33.463579][   T38] Preemption disabled at:
| [   33.463580][   T38] 0x0
| [   33.463593][   T38] Tainted: [W]=WARN
[   33.463594][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.463597][   T38] Workqueue: events_unbound linkwatch_event
[   33.463603][   T38] Call Trace:
[   33.463605][   T38]  <TASK>
[   33.463607][   T38]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.463613][   T38]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.463618][   T38]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.463623][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.463627][   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))
[   33.463631][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.463635][   T38]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.463639][   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)
[   33.463642][   T38]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.463644][   T38]  put_chars (drivers/char/virtio_console.c:1176)
[   33.463647][   T38]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.463649][   T38]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   33.463653][   T38]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   33.463656][   T38]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.463661][   T38]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.463663][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.463665][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.463667][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.463669][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.463672][   T38]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.463676][   T38]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.463679][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.463681][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.463683][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.463685][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.463688][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   33.463690][   T38]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.463694][   T38]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.463697][   T38]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.463700][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.463702][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.463704][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.463706][   T38]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.463708][   T38]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.463710][   T38]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   33.463713][   T38]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.463716][   T38]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.463718][   T38]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.463722][   T38]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.463725][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.463728][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.463732][   T38]  _printk (kernel/printk/printk.c:2504)
[   33.463736][   T38]  ? snapshot_read.cold (user.c:?)
[   33.463738][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.463741][   T38]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   33.463746][   T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   33.463765][   T38] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   33.463778][   T38] br_port_carrier_check (net/bridge/br_if.c:95) bridge
[   33.463793][   T38] br_device_event (net/bridge/br.c:101) bridge
[   33.463807][   T38]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   33.463810][   T38]  ? addrconf_notify (net/ipv6/addrconf.c:3749)
[   33.463814][   T38]  notifier_call_chain (kernel/notifier.c:85)
[   33.463818][   T38]  netif_state_change (net/core/dev.c:1625)
[   33.463822][   T38]  ? dev_deactivate (net/sched/sch_generic.c:1429)
[   33.463825][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   33.463829][   T38]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   33.463831][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   33.463833][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   33.463836][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.463838][   T38]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   33.463844][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   33.463846][   T38]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   33.463848][   T38]  process_one_work (kernel/workqueue.c:3387)
[   33.463854][   T38]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   33.463856][   T38]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.463859][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.463862][   T38]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.463867][   T38]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.463869][   T38]  kthread (kernel/kthread.c:436)
[   33.463871][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.463873][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.463876][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.463880][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   33.463883][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.463886][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.463889][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.793897][   T38] softirqs last disabled at (137731): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   38.793900][   T38] Preemption disabled at:
| [   38.793901][   T38] 0x0
| [   38.793918][   T38] Tainted: [W]=WARN
[   38.793919][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.793926][   T38] Workqueue: events_unbound linkwatch_event
[   38.793933][   T38] Call Trace:
[   38.793934][   T38]  <TASK>
[   38.793937][   T38]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.793943][   T38]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.793947][   T38]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.793951][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.793956][   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))
[   38.793960][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.793963][   T38]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.793968][   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)
[   38.793970][   T38]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.793972][   T38]  put_chars (drivers/char/virtio_console.c:1176)
[   38.793975][   T38]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.793977][   T38]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   38.793981][   T38]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.793985][   T38]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.793988][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.793990][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.793993][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.793996][   T38]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.793999][   T38]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.794002][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.794004][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.794006][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.794008][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.794011][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   38.794013][   T38]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.794016][   T38]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.794020][   T38]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.794022][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.794024][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.794026][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.794028][   T38]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.794030][   T38]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.794032][   T38]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   38.794034][   T38]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.794037][   T38]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.794039][   T38]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.794042][   T38]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.794045][   T38]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[   38.794047][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.794049][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.794052][   T38]  _printk (kernel/printk/printk.c:2504)
[   38.794056][   T38]  ? snapshot_read.cold (user.c:?)
[   38.794058][   T38]  ? netif_get_link_ksettings (net/ethtool/ioctl.c:450)
[   38.794062][   T38]  ? port_cost (net/bridge/br_if.c:40) bridge
[   38.794076][   T38]  ? br_multicast_flood (??:?) bridge
[   38.794088][   T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   38.794099][   T38] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   38.794109][   T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   38.794119][   T38] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   38.794129][   T38] br_device_event (net/bridge/br.c:101) bridge
[   38.794140][   T38]  ? fib6_ifdown (net/ipv6/route.c:4976)
[   38.794144][   T38]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   38.794147][   T38]  ? addrconf_notify (net/ipv6/addrconf.c:3764)
[   38.794151][   T38]  notifier_call_chain (kernel/notifier.c:85)
[   38.794155][   T38]  netif_state_change (net/core/dev.c:1625)
[   38.794159][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   38.794163][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   38.794165][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   38.794167][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.794169][   T38]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   38.794174][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   38.794176][   T38]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   38.794179][   T38]  process_one_work (kernel/workqueue.c:3387)
[   38.794184][   T38]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   38.794187][   T38]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.794189][   T38]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.794193][   T38]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   38.794197][   T38]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.794199][   T38]  kthread (kernel/kthread.c:436)
[   38.794201][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.794204][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.794207][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.794210][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   38.794213][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.794216][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.794219][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.769786][   T46] softirqs last disabled at (105770): 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))
| [   52.769789][   T46] Preemption disabled at:
| [   52.769790][   T46] 0x0
| [   52.769803][   T46] Tainted: [W]=WARN
[   52.769804][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.769807][   T46] Workqueue: events_unbound linkwatch_event
[   52.769814][   T46] Call Trace:
[   52.769816][   T46]  <TASK>
[   52.769818][   T46]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.769824][   T46]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.769829][   T46]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.769834][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.769839][   T46]  __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))
[   52.769843][   T46]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.769847][   T46]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.769852][   T46]  ? 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)
[   52.769854][   T46]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.769857][   T46]  put_chars (drivers/char/virtio_console.c:1176)
[   52.769860][   T46]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.769862][   T46]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   52.769866][   T46]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   52.769869][   T46]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.769874][   T46]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.769876][   T46]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.769878][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.769881][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.769883][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.769886][   T46]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.769890][   T46]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.769893][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.769895][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.769897][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.769900][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.769903][   T46]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   52.769905][   T46]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.769909][   T46]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.769913][   T46]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.769915][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.769917][   T46]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.769920][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.769922][   T46]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.769927][   T46]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.769929][   T46]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   52.769932][   T46]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.769935][   T46]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.769938][   T46]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.769942][   T46]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.769945][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.769948][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.769952][   T46]  _printk (kernel/printk/printk.c:2504)
[   52.769960][   T46]  ? snapshot_read.cold (user.c:?)
[   52.769963][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.769966][   T46]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   52.769972][   T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   52.769991][   T46] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   52.770004][   T46] br_port_carrier_check (net/bridge/br_if.c:95) bridge
[   52.770018][   T46] br_device_event (net/bridge/br.c:101) bridge
[   52.770031][   T46]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   52.770035][   T46]  ? addrconf_notify (net/ipv6/addrconf.c:3749)
[   52.770040][   T46]  notifier_call_chain (kernel/notifier.c:85)
[   52.770044][   T46]  netif_state_change (net/core/dev.c:1625)
[   52.770048][   T46]  ? dev_deactivate (net/sched/sch_generic.c:1429)
[   52.770052][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   52.770055][   T46]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   52.770058][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   52.770060][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   52.770063][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.770065][   T46]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   52.770071][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   52.770073][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   52.770076][   T46]  process_one_work (kernel/workqueue.c:3387)
[   52.770081][   T46]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   52.770084][   T46]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.770087][   T46]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.770091][   T46]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   52.770096][   T46]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   52.770098][   T46]  kthread (kernel/kthread.c:436)
[   52.770101][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.770103][   T46]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   52.770105][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.770108][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   52.770111][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.770114][   T46]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   52.770117][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.054103][   T46] softirqs last disabled at (105770): 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))
| [   58.054106][   T46] Preemption disabled at:
| [   58.054106][   T46] 0x0
| [   58.054116][   T46] Tainted: [W]=WARN
[   58.054117][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.054119][   T46] Workqueue: events_unbound linkwatch_event
[   58.054126][   T46] Call Trace:
[   58.054127][   T46]  <TASK>
[   58.054129][   T46]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.054134][   T46]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.054138][   T46]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.054142][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.054146][   T46]  __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))
[   58.054149][   T46]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   58.054152][   T46]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.054156][   T46]  ? 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)
[   58.054157][   T46]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.054159][   T46]  put_chars (drivers/char/virtio_console.c:1176)
[   58.054161][   T46]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.054163][   T46]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   58.054166][   T46]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.054170][   T46]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.054173][   T46]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   58.054174][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.054176][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.054179][   T46]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.054181][   T46]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.054183][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.054185][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.054186][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.054188][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.054190][   T46]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   58.054191][   T46]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.054194][   T46]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.054196][   T46]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.054198][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.054200][   T46]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.054201][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.054203][   T46]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   58.054204][   T46]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.054206][   T46]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   58.054208][   T46]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.054210][   T46]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.054212][   T46]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.054214][   T46]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.054216][   T46]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[   58.054218][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.054220][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.054222][   T46]  _printk (kernel/printk/printk.c:2504)
[   58.054225][   T46]  ? snapshot_read.cold (user.c:?)
[   58.054226][   T46]  ? netif_get_link_ksettings (net/ethtool/ioctl.c:450)
[   58.054229][   T46]  ? port_cost (net/bridge/br_if.c:40) bridge
[   58.054242][   T46]  ? br_multicast_flood (??:?) bridge
[   58.054250][   T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   58.054259][   T46] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   58.054266][   T46] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   58.054273][   T46] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   58.054280][   T46] br_device_event (net/bridge/br.c:101) bridge
[   58.054287][   T46]  ? fib6_ifdown (net/ipv6/route.c:4976)
[   58.054291][   T46]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   58.054293][   T46]  ? addrconf_notify (net/ipv6/addrconf.c:3764)
[   58.054297][   T46]  notifier_call_chain (kernel/notifier.c:85)
[   58.054300][   T46]  netif_state_change (net/core/dev.c:1625)
[   58.054303][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   58.054306][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.054307][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.054309][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.054311][   T46]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   58.054315][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.054316][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   58.054318][   T46]  process_one_work (kernel/workqueue.c:3387)
[   58.054322][   T46]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   58.054324][   T46]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.054326][   T46]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   58.054328][   T46]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   58.054331][   T46]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   58.054332][   T46]  kthread (kernel/kthread.c:436)
[   58.054334][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.054337][   T46]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   58.054339][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.054340][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   58.054342][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.054345][   T46]  ? kthread_affine_preferred (kernel/kthread.c:857)


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