======================================
| [    9.651288][  T188] softirqs last disabled at (35665): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.651291][  T188] Preemption disabled at:
| [    9.651291][  T188] 0x0
| [    9.651302][  T188] Tainted: [W]=WARN
[    9.651303][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.651305][  T188] Call Trace:
[    9.651306][  T188]  <TASK>
[    9.651308][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.651315][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.651320][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.651324][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.651329][  T188]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.651331][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.651337][  T188]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.651340][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.651344][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[    9.651347][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.651348][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.651353][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.651358][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.651365][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.651367][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.651369][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.651373][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.651377][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.651379][  T188]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.651383][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.651385][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.651389][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.651393][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.651395][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.651401][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.651404][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.651405][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.651408][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.651412][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.651413][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.651417][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.651421][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.651424][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.651428][  T188]  _printk (kernel/printk/printk.c:2504)
[    9.651432][  T188]  ? snapshot_read.cold (user.c:?)
[    9.651435][  T188]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.651438][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.651441][  T188]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.651444][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.651448][  T188]  ? exit_notify (kernel/exit.c:780)
[    9.651451][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.651453][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.651458][  T188]  do_group_exit (kernel/exit.c:1151)
[    9.651461][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.651463][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.651465][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.651468][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.651471][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.651474][  T188] RIP: 0033:0x7f4241f521b8
[    9.651476][  T188] Code: Unable to access opcode bytes at 0x7f4241f5218e.

Code starting with the faulting instruction
===========================================
[    9.651477][  T188] RSP: 002b:00007ffea640e498 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.651480][  T188] RAX: ffffffffffffffda RBX: 00007f4242082f88 RCX: 00007f4241f521b8
[    9.651481][  T188] RDX: 00007f4241c9cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.651482][  T188] RBP: 00007ffea640e4f0 R08: 0000000000000000 R09: 0000000000008010
[    9.651483][  T188] R10: 00007ffea640e2b0 R11: 0000000000000246 R12: 0000000000000001
[    9.651484][  T188] R13: 0000000000000000 R14: 00007f4242081680 R15: 00007f4242082fa0
| [   10.787364][  T234] softirqs last disabled at (18369): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.787367][  T234] Preemption disabled at:
| [   10.787367][  T234] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.787377][  T234] Tainted: [W]=WARN
[   10.787378][  T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.787380][  T234] Call Trace:
[   10.787382][  T234]  <TASK>
[   10.787383][  T234]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.787389][  T234]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.787392][  T234]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.787396][  T234]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.787400][  T234]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.787405][  T234]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.787408][  T234]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.787414][  T234]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.787416][  T234]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.787420][  T234]  put_chars (drivers/char/virtio_console.c:1176)
[   10.787423][  T234]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.787425][  T234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.787429][  T234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.787432][  T234]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.787436][  T234]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.787439][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.787444][  T234]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.787447][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787452][  T234]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.787456][  T234]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.787457][  T234]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.787461][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787463][  T234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.787467][  T234]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.787471][  T234]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.787473][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.787478][  T234]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.787481][  T234]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.787483][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787486][  T234]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.787489][  T234]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.787491][  T234]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.787494][  T234]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.787499][  T234]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.787505][  T234]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.787509][  T234]  _printk (kernel/printk/printk.c:2504)
[   10.787513][  T234]  ? snapshot_read.cold (user.c:?)
[   10.787519][  T234]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   10.787522][  T234] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   10.787526][  T234]  do_one_initcall (init/main.c:1357)
[   10.787529][  T234]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.787533][  T234]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.787536][  T234]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.787541][  T234]  do_init_module (kernel/module/main.c:3117)
[   10.787545][  T234]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.787549][  T234]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.787553][  T234]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.787557][  T234]  load_module (kernel/module/main.c:3593)
[   10.787565][  T234]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.787569][  T234]  ? __ia32_sys_fsconfig (??:?)
[   10.787571][  T234]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.787575][  T234]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.787578][  T234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.787582][  T234]  init_module_from_file (kernel/module/main.c:3790)
[   10.787585][  T234]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.787594][  T234]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.787597][  T234]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.787601][  T234]  idempotent_init_module (kernel/module/main.c:3802)
[   10.787604][  T234]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.787611][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787613][  T234]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.787619][  T234]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.787621][  T234]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.787624][  T234]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.787626][  T234]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.787629][  T234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.787632][  T234] RIP: 0033:0x7fbee3c9037d
[   10.787635][  T234] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.787637][  T234] RSP: 002b:00007ffca7c440e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.787640][  T234] RAX: ffffffffffffffda RBX: 0000557972932810 RCX: 00007fbee3c9037d
[   10.787642][  T234] RDX: 0000000000000000 RSI: 0000557950be4ffd RDI: 0000000000000000
[   10.787642][  T234] RBP: 00007ffca7c44180 R08: 0000000000000000 R09: 0000000000000000
[   10.787643][  T234] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557950be4ffd
[   10.787644][  T234] R13: 0000557972932960 R14: 0000000000040000 R15: 0000000000000000
| [   12.348412][  T282] softirqs last disabled at (31189): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.348415][  T282] Preemption disabled at:
| [   12.348416][  T282] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.348425][  T282] Tainted: [W]=WARN
[   12.348426][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.348428][  T282] Call Trace:
[   12.348430][  T282]  <TASK>
[   12.348431][  T282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.348437][  T282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.348440][  T282]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.348444][  T282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.348448][  T282]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.348454][  T282]  __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))
[   12.348456][  T282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.348462][  T282]  ? 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)
[   12.348465][  T282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.348468][  T282]  put_chars (drivers/char/virtio_console.c:1176)
[   12.348470][  T282]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.348472][  T282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.348476][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.348479][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.348483][  T282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.348486][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.348488][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.348493][  T282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.348494][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.348497][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.348500][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.348504][  T282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.348508][  T282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.348510][  T282]  ? 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))
[   12.348513][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.348516][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.348520][  T282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.348524][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.348526][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.348531][  T282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.348534][  T282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.348536][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.348538][  T282]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.348542][  T282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.348544][  T282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.348548][  T282]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.348552][  T282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.348558][  T282]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   12.348561][  T282]  _printk (kernel/printk/printk.c:2504)
[   12.348565][  T282]  ? snapshot_read.cold (user.c:?)
[   12.348571][  T282]  ? 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)
[   12.348574][  T282] gre_init (gre.mod.c:?) gre
[   12.348577][  T282]  do_one_initcall (init/main.c:1357)
[   12.348580][  T282]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.348584][  T282]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.348588][  T282]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.348592][  T282]  do_init_module (kernel/module/main.c:3117)
[   12.348596][  T282]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.348600][  T282]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.348604][  T282]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.348608][  T282]  load_module (kernel/module/main.c:3593)
[   12.348616][  T282]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.348621][  T282]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.348625][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.348629][  T282]  init_module_from_file (kernel/module/main.c:3790)
[   12.348632][  T282]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.348641][  T282]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.348644][  T282]  ? 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)
[   12.348648][  T282]  idempotent_init_module (kernel/module/main.c:3802)
[   12.348651][  T282]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.348658][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.348660][  T282]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.348666][  T282]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.348669][  T282]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.348672][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.348674][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.348677][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.348680][  T282] RIP: 0033:0x7f3a8f06d37d
[   12.348683][  T282] 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
[   12.348685][  T282] RSP: 002b:00007fff656b4978 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.348688][  T282] RAX: ffffffffffffffda RBX: 000055cc64a0ba40 RCX: 00007f3a8f06d37d
[   12.348689][  T282] RDX: 0000000000000000 RSI: 000055cc4a729ffd RDI: 0000000000000001
[   12.348690][  T282] RBP: 00007fff656b4a10 R08: 0000000000000000 R09: 0000000000000000
[   12.348691][  T282] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cc4a729ffd
[   12.348692][  T282] R13: 000055cc64a0ba00 R14: 0000000000040000 R15: 0000000000000000
| [   13.357589][  T313] softirqs last disabled at (25736): br_stp_enable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:53) bridge
| [   13.357597][  T313] Preemption disabled at:
| [   13.357597][  T313] 0x0
| [   13.357608][  T313] Tainted: [W]=WARN
[   13.357609][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.357611][  T313] Call Trace:
[   13.357612][  T313]  <TASK>
[   13.357614][  T313]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.357620][  T313]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.357625][  T313]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.357629][  T313]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.357635][  T313]  __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))
[   13.357637][  T313]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.357643][  T313]  ? 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)
[   13.357646][  T313]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.357649][  T313]  put_chars (drivers/char/virtio_console.c:1176)
[   13.357652][  T313]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.357653][  T313]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   13.357657][  T313]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.357661][  T313]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.357663][  T313]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.357665][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.357667][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.357671][  T313]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.357672][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.357676][  T313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.357680][  T313]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.357684][  T313]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.357686][  T313]  ? 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))
[   13.357689][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.357693][  T313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.357697][  T313]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.357701][  T313]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.357703][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.357708][  T313]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.357711][  T313]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.357713][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.357715][  T313]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.357719][  T313]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.357720][  T313]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.357724][  T313]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.357727][  T313]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.357733][  T313]  _printk (kernel/printk/printk.c:2504)
[   13.357737][  T313]  ? snapshot_read.cold (user.c:?)
[   13.357740][  T313]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.357742][  T313]  ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158)
[   13.357745][  T313]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.357748][  T313]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.357754][  T313] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.357763][  T313] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.357771][  T313] br_stp_enable_bridge (net/bridge/br_stp_if.c:93 net/bridge/br_stp_if.c:62) bridge
[   13.357780][  T313] br_dev_open (net/bridge/br_device.c:170) bridge
[   13.357788][  T313]  __dev_open (net/core/dev.c:1724)
[   13.357792][  T313]  ? netif_state_change (./include/net/netdev_lock.h:30 (discriminator 1))
[   13.357795][  T313]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.357799][  T313]  __dev_change_flags (net/core/dev.c:9812)
[   13.357803][  T313]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   13.357805][  T313]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.357807][  T313]  ? __kernel_text_address (kernel/extable.c:79)
[   13.357809][  T313]  ? write_profile (profile.c:?)
[   13.357811][  T313]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.357816][  T313]  netif_change_flags (net/core/dev.c:9877)
[   13.357820][  T313]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   13.357823][  T313]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.357825][  T313]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.357826][  T313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.357829][  T313]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.357832][  T313]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.357835][  T313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.357837][  T313]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.357840][  T313]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.357843][  T313]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.357844][  T313]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.357847][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.357849][  T313]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.357852][  T313]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.357857][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.357859][  T313]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.357861][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.357864][  T313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.357865][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.357867][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.357869][  T313]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.357873][  T313]  ? __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)
[   13.357876][  T313]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.357878][  T313]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.357881][  T313]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.357886][  T313]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.357892][  T313]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.357897][  T313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.357899][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.357904][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.357905][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.357908][  T313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.357910][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.357913][  T313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.357915][  T313]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.357918][  T313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.357920][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.357924][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.357926][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.357930][  T313]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.357932][  T313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.357935][  T313]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.357941][  T313]  ? 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))
[   13.357942][  T313]  ? 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))
[   13.357947][  T313]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.357951][  T313]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.357953][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.357957][  T313]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.357961][  T313]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.357965][  T313]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.357970][  T313]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.357973][  T313]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.357975][  T313]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.357977][  T313]  ? move_addr_to_kernel (net/socket.c:258)
[   13.357984][  T313]  ___sys_sendmsg (net/socket.c:2767)
[   13.357987][  T313]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.358003][  T313]  __sys_sendmsg (net/socket.c:2799)
[   13.358006][  T313]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.358012][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.358016][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.358018][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.358020][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.358022][  T313] RIP: 0033:0x7fd226f6e54e
[   13.358025][  T313] 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
[   13.358026][  T313] RSP: 002b:00007ffd1192cac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.358029][  T313] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd226f6e54e
[   13.358030][  T313] RDX: 0000000000000000 RSI: 00007ffd1192cb70 RDI: 0000000000000005
[   13.358031][  T313] RBP: 00007ffd1192cad0 R08: 0000000000000000 R09: 0000000000000000
[   13.358032][  T313] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915f86
[   13.358033][  T313] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1192d230
| [   19.170163][  T355] softirqs last disabled at (14891): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.170165][  T355] Preemption disabled at:
| [   19.170166][  T355] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.170176][  T355] Tainted: [W]=WARN
[   19.170177][  T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.170179][  T355] Call Trace:
[   19.170180][  T355]  <TASK>
[   19.170182][  T355]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.170188][  T355]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.170190][  T355]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.170195][  T355]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.170199][  T355]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.170204][  T355]  __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))
[   19.170206][  T355]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.170212][  T355]  ? 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)
[   19.170214][  T355]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.170217][  T355]  put_chars (drivers/char/virtio_console.c:1176)
[   19.170220][  T355]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.170222][  T355]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.170226][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.170229][  T355]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.170233][  T355]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.170236][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.170241][  T355]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.170243][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.170248][  T355]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.170252][  T355]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.170256][  T355]  ? 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))
[   19.170264][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.170266][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.170270][  T355]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.170274][  T355]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.170276][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.170281][  T355]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.170284][  T355]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.170286][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.170288][  T355]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.170291][  T355]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.170293][  T355]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.170296][  T355]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.170301][  T355]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.170304][  T355]  ? netdev_run_todo (net/core/dev.c:11776)
[   19.170308][  T355]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   19.170311][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.170315][  T355]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   19.170317][  T355]  _printk (kernel/printk/printk.c:2504)
[   19.170321][  T355]  ? snapshot_read.cold (user.c:?)
[   19.170323][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.170326][  T355]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   19.170327][  T355]  ? __up_write (kernel/locking/rwsem.c:1415)
[   19.170329][  T355]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   19.170333][  T355]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   19.170335][  T355] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   19.170338][  T355]  do_one_initcall (init/main.c:1357)
[   19.170341][  T355]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   19.170345][  T355]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   19.170348][  T355]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   19.170353][  T355]  do_init_module (kernel/module/main.c:3117)
[   19.170356][  T355]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.170361][  T355]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   19.170364][  T355]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   19.170368][  T355]  load_module (kernel/module/main.c:3593)
[   19.170375][  T355]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   19.170378][  T355]  ? __ia32_sys_fsconfig (??:?)
[   19.170381][  T355]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   19.170385][  T355]  ? backing_file_read_iter (fs/backing-file.c:211)
[   19.170388][  T355]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.170392][  T355]  init_module_from_file (kernel/module/main.c:3790)
[   19.170395][  T355]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   19.170403][  T355]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.170406][  T355]  ? 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)
[   19.170409][  T355]  idempotent_init_module (kernel/module/main.c:3802)
[   19.170413][  T355]  ? init_module_from_file (kernel/module/main.c:3791)
[   19.170419][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.170421][  T355]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.170427][  T355]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   19.170429][  T355]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.170433][  T355]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.170434][  T355]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.170437][  T355]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.170439][  T355] RIP: 0033:0x7faf37df637d
[   19.170443][  T355] 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
[   19.170445][  T355] RSP: 002b:00007ffcebf1f198 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   19.170447][  T355] RAX: ffffffffffffffda RBX: 0000558abeb85810 RCX: 00007faf37df637d
[   19.170449][  T355] RDX: 0000000000000000 RSI: 0000558ab7ef8ffd RDI: 0000000000000000
[   19.170450][  T355] RBP: 00007ffcebf1f230 R08: 0000000000000000 R09: 0000000000000000
[   19.170451][  T355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558ab7ef8ffd
[   19.170451][  T355] R13: 0000558abeb85960 R14: 0000000000040000 R15: 0000000000000000
| [   28.533377][    C1] softirqs last disabled at (688739): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.533379][    C1] Preemption disabled at:
| [   28.533380][    C1] 0x0
| [   28.533391][    C1] Tainted: [W]=WARN
[   28.533392][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.533394][    C1] Call Trace:
[   28.533395][    C1]  <IRQ>
[   28.533397][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.533403][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.533406][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.533409][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.533412][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.533416][    C1]  __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))
[   28.533419][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.533421][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.533425][    C1]  ? 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)
[   28.533426][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.533429][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   28.533431][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.533432][    C1]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.533436][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.533439][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.533440][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.533442][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.533444][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.533446][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.533448][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.533450][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.533451][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.533453][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.533455][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.533457][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.533460][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.533461][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.533463][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.533464][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.533466][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.533467][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.533469][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.533472][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.533474][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.533476][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.533478][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.533490][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.533492][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.533498][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.533504][    C1]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   28.533508][    C1]  _printk (kernel/printk/printk.c:2504)
[   28.533511][    C1]  ? snapshot_read.cold (user.c:?)
[   28.533512][    C1]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.533517][    C1]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.533519][    C1]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.533520][    C1]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.533523][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.533525][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.533527][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.533529][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.533531][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.533533][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.533539][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.533540][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.533542][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.533548][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.533550][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.533556][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.533562][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.533568][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   28.533571][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.533573][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.533576][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.533578][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.533580][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.533582][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.533584][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.533590][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.533592][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.533595][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.533597][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.533599][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.533601][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.533603][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.533605][    C1]  handle_softirqs (kernel/softirq.c:645)
[   28.533607][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.533608][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.533610][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.533612][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   28.533613][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.533616][    C1]  </IRQ>
[   28.533617][    C1]  <TASK>
[   28.533617][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.533619][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.533621][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.533624][    C1] 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
[   28.533626][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   28.533629][    C1] RAX: 00000000000a8261 RBX: ff11000001bea380 RCX: ffffffff9bcf0307
[   28.533630][    C1] RDX: ff11000001bea380 RSI: ffffffff9ea38b01 RDI: ffffffff9e48d8e0
[   28.533631][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.533632][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   28.533632][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.533634][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.533637][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.533639][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   28.533641][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.533642][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   28.533644][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.533646][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.533648][    C1]  do_idle (kernel/sched/idle.c:355)
[   28.533650][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.533651][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.533653][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.533655][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.592660][    C1]
| [   28.592736][    C1]
| [   28.592736][    C1] stack backtrace:
| [   28.592978][    C1] Tainted: [W]=WARN
[   28.592978][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.592980][    C1] Call Trace:
[   28.592981][    C1]  <IRQ>
[   28.592983][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.592989][    C1]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.592993][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.592996][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.592998][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.592999][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.593002][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.593004][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.593014][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.593017][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.593020][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.593029][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.593031][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.593039][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.593046][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.593054][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   28.593057][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.593059][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.593062][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.593064][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.593066][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.593069][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.593072][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.593079][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.593081][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.593084][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.593088][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.593090][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.593092][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.593094][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.593096][    C1]  handle_softirqs (kernel/softirq.c:645)
[   28.593098][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.593100][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.593103][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.593106][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   28.593107][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.593109][    C1]  </IRQ>
[   28.593110][    C1]  <TASK>
[   28.593111][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.593112][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.593114][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.593117][    C1] 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
[   28.593119][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   28.593122][    C1] RAX: 00000000000a8261 RBX: ff11000001bea380 RCX: ffffffff9bcf0307
[   28.593124][    C1] RDX: ff11000001bea380 RSI: ffffffff9ea38b01 RDI: ffffffff9e48d8e0
[   28.593125][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.593125][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   28.593126][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.593128][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.593130][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.593132][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   28.593134][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.593137][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   28.593139][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.593141][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.593143][    C1]  do_idle (kernel/sched/idle.c:355)
[   28.593144][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.593146][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.593147][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.593150][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   33.060698][  T272] softirqs last disabled at (30675): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   33.060701][  T272] Preemption disabled at:
| [   33.060702][  T272] 0x0
| [   33.060714][  T272] Tainted: [W]=WARN
[   33.060716][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.060718][  T272] Workqueue: events_unbound linkwatch_event
[   33.060725][  T272] Call Trace:
[   33.060727][  T272]  <TASK>
[   33.060729][  T272]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.060735][  T272]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.060740][  T272]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.060745][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.060749][  T272]  __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))
[   33.060754][  T272]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.060757][  T272]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.060762][  T272]  ? 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)
[   33.060765][  T272]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.060768][  T272]  put_chars (drivers/char/virtio_console.c:1176)
[   33.060771][  T272]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.060774][  T272]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   33.060778][  T272]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   33.060782][  T272]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.060786][  T272]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.060789][  T272]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.060791][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.060794][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.060796][  T272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.060800][  T272]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.060803][  T272]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.060807][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.060809][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.060811][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.060814][  T272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.060817][  T272]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   33.060820][  T272]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.060824][  T272]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.060828][  T272]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.060830][  T272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.060833][  T272]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.060835][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.060838][  T272]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.060840][  T272]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.060843][  T272]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   33.060846][  T272]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.060848][  T272]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.060852][  T272]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.060856][  T272]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.060859][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.060862][  T272]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.060866][  T272]  _printk (kernel/printk/printk.c:2504)
[   33.060870][  T272]  ? snapshot_read.cold (user.c:?)
[   33.060873][  T272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.060876][  T272]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   33.060882][  T272] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   33.060902][  T272] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   33.060917][  T272] br_port_carrier_check (net/bridge/br_if.c:95) bridge
[   33.060932][  T272] br_device_event (net/bridge/br.c:101) bridge
[   33.060946][  T272]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   33.060950][  T272]  ? addrconf_notify (net/ipv6/addrconf.c:3749)
[   33.060956][  T272]  notifier_call_chain (kernel/notifier.c:85)
[   33.060960][  T272]  netif_state_change (net/core/dev.c:1625)
[   33.060964][  T272]  ? dev_deactivate (net/sched/sch_generic.c:1429)
[   33.060967][  T272]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   33.060971][  T272]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   33.060973][  T272]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   33.060976][  T272]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   33.060979][  T272]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.060981][  T272]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   33.060987][  T272]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   33.060989][  T272]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   33.060992][  T272]  process_one_work (kernel/workqueue.c:3387)
[   33.060998][  T272]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   33.061001][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.061004][  T272]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.061008][  T272]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.061011][  T272]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.061014][  T272]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   33.061017][  T272]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.061020][  T272]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.061022][  T272]  kthread (kernel/kthread.c:436)
[   33.061025][  T272]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.061027][  T272]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.061030][  T272]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.061034][  T272]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   33.061037][  T272]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.061040][  T272]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.061043][  T272]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.275786][   T46] softirqs last disabled at (121373): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   38.275789][   T46] Preemption disabled at:
| [   38.275789][   T46] 0x0
| [   38.275800][   T46] Tainted: [W]=WARN
[   38.275801][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.275803][   T46] Workqueue: events_unbound linkwatch_event
[   38.275809][   T46] Call Trace:
[   38.275810][   T46]  <TASK>
[   38.275811][   T46]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.275817][   T46]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.275821][   T46]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.275824][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.275828][   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))
[   38.275832][   T46]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.275835][   T46]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.275838][   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)
[   38.275840][   T46]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.275842][   T46]  put_chars (drivers/char/virtio_console.c:1176)
[   38.275844][   T46]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.275846][   T46]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   38.275849][   T46]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.275852][   T46]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.275855][   T46]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.275856][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.275858][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.275861][   T46]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.275863][   T46]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.275865][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.275867][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.275868][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.275870][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.275872][   T46]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   38.275874][   T46]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.275876][   T46]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.275879][   T46]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.275881][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.275882][   T46]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.275884][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.275885][   T46]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.275887][   T46]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.275888][   T46]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   38.275890][   T46]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.275892][   T46]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.275894][   T46]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.275897][   T46]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.275898][   T46]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[   38.275900][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.275902][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.275904][   T46]  _printk (kernel/printk/printk.c:2504)
[   38.275907][   T46]  ? snapshot_read.cold (user.c:?)
[   38.275909][   T46]  ? netif_get_link_ksettings (net/ethtool/ioctl.c:450)
[   38.275912][   T46]  ? port_cost (net/bridge/br_if.c:40) bridge
[   38.275924][   T46]  ? br_multicast_flood (??:?) bridge
[   38.275932][   T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   38.275940][   T46] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   38.275948][   T46] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   38.275954][   T46] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   38.275962][   T46] br_device_event (net/bridge/br.c:101) bridge
[   38.275969][   T46]  ? fib6_ifdown (net/ipv6/route.c:4976)
[   38.275972][   T46]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   38.275975][   T46]  ? addrconf_notify (net/ipv6/addrconf.c:3764)
[   38.275978][   T46]  notifier_call_chain (kernel/notifier.c:85)
[   38.275981][   T46]  netif_state_change (net/core/dev.c:1625)
[   38.275985][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   38.275987][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   38.275988][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   38.275990][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.275992][   T46]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   38.275996][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   38.275998][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   38.275999][   T46]  process_one_work (kernel/workqueue.c:3387)
[   38.276003][   T46]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   38.276005][   T46]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.276007][   T46]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.276009][   T46]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   38.276012][   T46]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.276014][   T46]  kthread (kernel/kthread.c:436)
[   38.276016][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.276018][   T46]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.276020][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.276023][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   38.276025][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.276027][   T46]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.276029][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.178895][   T46] softirqs last disabled at (121373): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   52.178897][   T46] Preemption disabled at:
| [   52.178898][   T46] 0x0
| [   52.178908][   T46] Tainted: [W]=WARN
[   52.178909][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.178911][   T46] Workqueue: events_unbound linkwatch_event
[   52.178917][   T46] Call Trace:
[   52.178919][   T46]  <TASK>
[   52.178921][   T46]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.178926][   T46]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.178930][   T46]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.178934][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.178937][   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))
[   52.178941][   T46]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.178944][   T46]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.178947][   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)
[   52.178949][   T46]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.178951][   T46]  put_chars (drivers/char/virtio_console.c:1176)
[   52.178953][   T46]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.178954][   T46]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   52.178957][   T46]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   52.178960][   T46]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.178963][   T46]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.178964][   T46]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.178966][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.178967][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.178969][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.178971][   T46]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.178974][   T46]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.178976][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.178978][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.178980][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.178981][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.178983][   T46]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   52.178985][   T46]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.178987][   T46]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.178990][   T46]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.178992][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.178993][   T46]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.178995][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.178997][   T46]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.178998][   T46]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.178999][   T46]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   52.179002][   T46]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.179004][   T46]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.179006][   T46]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.179009][   T46]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.179011][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.179013][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.179016][   T46]  _printk (kernel/printk/printk.c:2504)
[   52.179019][   T46]  ? snapshot_read.cold (user.c:?)
[   52.179021][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.179023][   T46]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   52.179027][   T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   52.179040][   T46] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   52.179048][   T46] br_port_carrier_check (net/bridge/br_if.c:95) bridge
[   52.179057][   T46] br_device_event (net/bridge/br.c:101) bridge
[   52.179065][   T46]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   52.179067][   T46]  ? addrconf_notify (net/ipv6/addrconf.c:3749)
[   52.179071][   T46]  notifier_call_chain (kernel/notifier.c:85)
[   52.179074][   T46]  netif_state_change (net/core/dev.c:1625)
[   52.179077][   T46]  ? dev_deactivate (net/sched/sch_generic.c:1429)
[   52.179080][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   52.179082][   T46]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   52.179084][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   52.179085][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   52.179087][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.179088][   T46]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   52.179093][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   52.179094][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   52.179096][   T46]  process_one_work (kernel/workqueue.c:3387)
[   52.179100][   T46]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   52.179102][   T46]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.179104][   T46]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.179106][   T46]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   52.179109][   T46]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   52.179111][   T46]  kthread (kernel/kthread.c:436)
[   52.179112][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.179114][   T46]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   52.179115][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.179118][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   52.179120][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.179123][   T46]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   52.179124][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   57.412561][   T92] softirqs last disabled at (57653): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   57.412564][   T92] Preemption disabled at:
| [   57.412565][   T92] 0x0
| [   57.412577][   T92] Tainted: [W]=WARN
[   57.412578][   T92] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.412581][   T92] Workqueue: events_unbound linkwatch_event
[   57.412587][   T92] Call Trace:
[   57.412589][   T92]  <TASK>
[   57.412591][   T92]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.412597][   T92]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.412601][   T92]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.412605][   T92]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412610][   T92]  __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))
[   57.412614][   T92]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.412618][   T92]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.412622][   T92]  ? 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)
[   57.412624][   T92]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.412627][   T92]  put_chars (drivers/char/virtio_console.c:1176)
[   57.412630][   T92]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.412632][   T92]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   57.412637][   T92]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.412641][   T92]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.412644][   T92]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.412646][   T92]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412649][   T92]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.412652][   T92]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.412656][   T92]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.412658][   T92]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412661][   T92]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412663][   T92]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412665][   T92]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.412668][   T92]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   57.412670][   T92]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.412674][   T92]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.412678][   T92]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.412680][   T92]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.412682][   T92]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.412684][   T92]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412687][   T92]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   57.412689][   T92]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.412691][   T92]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   57.412694][   T92]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.412696][   T92]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.412699][   T92]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.412702][   T92]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.412705][   T92]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[   57.412707][   T92]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412710][   T92]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.412712][   T92]  _printk (kernel/printk/printk.c:2504)
[   57.412716][   T92]  ? snapshot_read.cold (user.c:?)
[   57.412718][   T92]  ? netif_get_link_ksettings (net/ethtool/ioctl.c:450)
[   57.412723][   T92]  ? port_cost (net/bridge/br_if.c:40) bridge
[   57.412739][   T92]  ? br_multicast_flood (??:?) bridge
[   57.412752][   T92] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   57.412765][   T92] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   57.412777][   T92] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   57.412788][   T92] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   57.412800][   T92] br_device_event (net/bridge/br.c:101) bridge
[   57.412812][   T92]  ? fib6_ifdown (net/ipv6/route.c:4976)
[   57.412816][   T92]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   57.412819][   T92]  ? addrconf_notify (net/ipv6/addrconf.c:3764)
[   57.412823][   T92]  notifier_call_chain (kernel/notifier.c:85)
[   57.412828][   T92]  netif_state_change (net/core/dev.c:1625)
[   57.412832][   T92]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   57.412835][   T92]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   57.412837][   T92]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   57.412840][   T92]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.412842][   T92]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   57.412847][   T92]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   57.412850][   T92]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   57.412852][   T92]  process_one_work (kernel/workqueue.c:3387)
[   57.412857][   T92]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   57.412860][   T92]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.412863][   T92]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.412866][   T92]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   57.412871][   T92]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   57.412873][   T92]  kthread (kernel/kthread.c:436)
[   57.412876][   T92]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   57.412879][   T92]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   57.412881][   T92]  ret_from_fork (arch/x86/kernel/process.c:158)
[   57.412885][   T92]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   57.412888][   T92]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   57.412891][   T92]  ? kthread_affine_preferred (kernel/kthread.c:857)


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