======================================
| [   10.924950][  T225] softirqs last disabled at (27571): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.924953][  T225] Preemption disabled at:
| [   10.924954][  T225] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.924966][  T225] Tainted: [W]=WARN
[   10.924968][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.924970][  T225] Call Trace:
[   10.924972][  T225]  <TASK>
[   10.924974][  T225]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.924981][  T225]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.924984][  T225]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.924991][  T225]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.924996][  T225]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.925003][  T225]  __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))
[   10.925007][  T225]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.925016][  T225]  ? 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)
[   10.925019][  T225]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.925024][  T225]  put_chars (drivers/char/virtio_console.c:1176)
[   10.925028][  T225]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.925030][  T225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.925036][  T225]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.925040][  T225]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.925048][  T225]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.925051][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.925059][  T225]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.925064][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.925072][  T225]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.925078][  T225]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.925081][  T225]  ? 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))
[   10.925086][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.925089][  T225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.925096][  T225]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.925103][  T225]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.925105][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.925114][  T225]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.925118][  T225]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.925120][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.925124][  T225]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.925130][  T225]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.925133][  T225]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.925138][  T225]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.925144][  T225]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.925154][  T225]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.925159][  T225]  _printk (kernel/printk/printk.c:2504)
[   10.925164][  T225]  ? snapshot_read.cold (user.c:?)
[   10.925174][  T225]  ? 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)
[   10.925179][  T225] 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
[   10.925184][  T225]  do_one_initcall (init/main.c:1357)
[   10.925188][  T225]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.925196][  T225]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.925200][  T225]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.925207][  T225]  do_init_module (kernel/module/main.c:3117)
[   10.925213][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.925219][  T225]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.925224][  T225]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.925231][  T225]  load_module (kernel/module/main.c:3593)
[   10.925243][  T225]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.925249][  T225]  ? __ia32_sys_fsconfig (??:?)
[   10.925253][  T225]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.925258][  T225]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.925263][  T225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.925269][  T225]  init_module_from_file (kernel/module/main.c:3790)
[   10.925274][  T225]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.925288][  T225]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.925294][  T225]  ? 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)
[   10.925299][  T225]  idempotent_init_module (kernel/module/main.c:3802)
[   10.925305][  T225]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.925316][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.925319][  T225]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.925328][  T225]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.925331][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.925337][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.925339][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.925344][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.925347][  T225] RIP: 0033:0x7f6a0975237d
[   10.925352][  T225] 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
[   10.925354][  T225] RSP: 002b:00007ffe20098e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.925358][  T225] RAX: ffffffffffffffda RBX: 000056213a847810 RCX: 00007f6a0975237d
[   10.925360][  T225] RDX: 0000000000000000 RSI: 0000562128bf3ffd RDI: 0000000000000000
[   10.925361][  T225] RBP: 00007ffe20098f10 R08: 0000000000000000 R09: 0000000000000000
[   10.925362][  T225] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562128bf3ffd
[   10.925364][  T225] R13: 000056213a847960 R14: 0000000000040000 R15: 0000000000000000
| [   11.969283][   T45] softirqs last disabled at (54824): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   11.969291][   T45] Preemption disabled at:
| [   11.969292][   T45] 0x0
| [   11.969303][   T45] Tainted: [W]=WARN
[   11.969304][   T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.969306][   T45] Workqueue: events_unbound linkwatch_event
[   11.969309][   T45] Call Trace:
[   11.969311][   T45]  <TASK>
[   11.969312][   T45]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.969319][   T45]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.969323][   T45]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.969328][   T45]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.969333][   T45]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.969336][   T45]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.969342][   T45]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.969344][   T45]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.969348][   T45]  put_chars (drivers/char/virtio_console.c:1176)
[   11.969351][   T45]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.969352][   T45]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.969356][   T45]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.969360][   T45]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.969363][   T45]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.969365][   T45]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.969366][   T45]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.969371][   T45]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.969372][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.969377][   T45]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.969382][   T45]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.969386][   T45]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.969387][   T45]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.969391][   T45]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.969395][   T45]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.969399][   T45]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.969403][   T45]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.969405][   T45]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.969410][   T45]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.969413][   T45]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.969415][   T45]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.969417][   T45]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.969421][   T45]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.969423][   T45]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.969426][   T45]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.969430][   T45]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.969437][   T45]  _printk (kernel/printk/printk.c:2504)
[   11.969440][   T45]  ? snapshot_read.cold (user.c:?)
[   11.969446][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.969450][   T45] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.969460][   T45] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.969468][   T45] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   11.969476][   T45] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   11.969484][   T45] br_device_event (net/bridge/br.c:101) bridge
[   11.969493][   T45]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   11.969495][   T45]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   11.969502][   T45]  notifier_call_chain (kernel/notifier.c:85)
[   11.969508][   T45]  netif_state_change (net/core/dev.c:1625)
[   11.969512][   T45]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   11.969517][   T45]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.969519][   T45]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.969522][   T45]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.969525][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.969529][   T45]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.969532][   T45]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   11.969535][   T45]  process_one_work (kernel/workqueue.c:3387)
[   11.969542][   T45]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   11.969545][   T45]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.969552][   T45]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   11.969560][   T45]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.969562][   T45]  kthread (kernel/kthread.c:436)
[   11.969564][   T45]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.969567][   T45]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.969569][   T45]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.969573][   T45]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   11.969577][   T45]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.969580][   T45]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.969583][   T45]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.497032][    C0] softirqs last disabled at (677245): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.497033][    C0] Preemption disabled at:
| [   27.497034][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   27.497044][    C0] Tainted: [W]=WARN
[   27.497045][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.497047][    C0] Call Trace:
[   27.497049][    C0]  <IRQ>
[   27.497050][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.497056][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   27.497057][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.497060][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.497063][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.497066][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.497069][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.497073][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.497076][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.497078][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.497082][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.497083][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.497085][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   27.497087][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.497089][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.497092][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.497096][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.497097][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.497099][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.497101][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.497103][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.497105][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.497107][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.497109][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.497110][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.497112][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.497114][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.497117][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.497118][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.497120][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.497122][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.497123][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.497124][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.497126][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.497128][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.497130][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.497132][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.497134][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.497135][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.497137][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   27.497141][    C0]  _printk (kernel/printk/printk.c:2504)
[   27.497144][    C0]  ? snapshot_read.cold (user.c:?)
[   27.497146][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.497150][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.497152][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.497154][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.497156][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.497159][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.497161][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.497162][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.497164][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.497166][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.497179][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.497180][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.497182][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.497188][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.497190][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.497196][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.497203][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.497209][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.497212][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.497214][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.497217][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.497219][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.497220][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.497223][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.497224][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.497231][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.497233][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.497235][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.497237][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.497239][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.497241][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.497243][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.497245][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.497247][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.497248][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.497250][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.497252][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.497253][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.497256][    C0]  </IRQ>
[   27.497256][    C0]  <TASK>
[   27.497257][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.497259][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.497261][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.497263][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.497265][    C0] RSP: 0018:ffffffffab007cf8 EFLAGS: 00000296
[   27.497268][    C0] RAX: 00000000000a557b RBX: ffffffffab01c600 RCX: ffffffffa80f0307
[   27.497269][    C0] RDX: ffffffffab01c600 RSI: ffffffffaae38af6 RDI: ffffffffaa88d8e0
[   27.497270][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.497271][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5600fa2
[   27.497272][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.497273][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.497277][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.497278][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.497280][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.497281][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.497283][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.497284][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.497287][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.497289][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.497290][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.497292][    C0]  rest_init (init/main.c:727)
[   27.497294][    C0]  ? __cpuidle_text_end (??:?)
[   27.497297][    C0]  ? rest_init (init/main.c:727)
[   27.497299][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.497302][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.497305][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.497307][    C0]  start_kernel (init/main.c:1185)
[   27.497309][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.497311][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.497313][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.566486][    C0]
| [   27.566608][    C0]
| [   27.566608][    C0] stack backtrace:
| [   27.566790][    C0] Tainted: [W]=WARN
[   27.566792][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.566793][    C0] Call Trace:
[   27.566795][    C0]  <IRQ>
[   27.566796][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.566800][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.566803][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.566806][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.566808][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.566810][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.566812][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.566814][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.566820][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.566823][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.566825][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.566831][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.566833][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.566839][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.566845][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.566851][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.566853][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.566855][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.566859][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.566860][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.566862][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.566864][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.566866][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.566873][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.566875][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.566877][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.566880][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.566882][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.566883][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.566885][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.566887][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.566889][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.566891][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.566893][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.566894][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.566895][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.566897][    C0]  </IRQ>
[   27.566898][    C0]  <TASK>
[   27.566898][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.566900][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.566902][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.566904][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.566905][    C0] RSP: 0018:ffffffffab007cf8 EFLAGS: 00000296
[   27.566908][    C0] RAX: 00000000000a557b RBX: ffffffffab01c600 RCX: ffffffffa80f0307
[   27.566909][    C0] RDX: ffffffffab01c600 RSI: ffffffffaae38af6 RDI: ffffffffaa88d8e0
[   27.566910][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.566911][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5600fa2
[   27.566912][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.566914][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.566916][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.566917][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.566919][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.566920][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.566922][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.566923][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.566926][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.566928][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.566929][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.566931][    C0]  rest_init (init/main.c:727)
[   27.566933][    C0]  ? __cpuidle_text_end (??:?)
[   27.566935][    C0]  ? rest_init (init/main.c:727)
[   27.566937][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.566941][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.566943][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.566945][    C0]  start_kernel (init/main.c:1185)
[   27.566947][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.566949][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.566950][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   38.729828][  T348] softirqs last disabled at (0): 0x0
| [   38.729829][  T348] Preemption disabled at:
| [   38.729830][  T348] 0x0
| [   38.729839][  T348] Tainted: [W]=WARN
[   38.729839][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.729841][  T348] Call Trace:
[   38.729843][  T348]  <TASK>
[   38.729844][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.729849][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.729853][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.729857][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.729861][  T348]  __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))
[   38.729864][  T348]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.729867][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.729871][  T348]  ? 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)
[   38.729873][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.729875][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   38.729877][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.729878][  T348]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   38.729882][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.729885][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.729887][  T348]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.729889][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.729890][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.729893][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.729895][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.729897][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.729899][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.729900][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.729902][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.729904][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   38.729905][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.729908][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.729910][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.729912][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.729914][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.729915][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.729917][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.729918][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.729920][  T348]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   38.729922][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.729924][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.729926][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.729928][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.729933][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.729934][  T348]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.729937][  T348]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   38.729939][  T348]  _printk (kernel/printk/printk.c:2504)
[   38.729942][  T348]  ? snapshot_read.cold (user.c:?)
[   38.729944][  T348]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   38.729949][  T348] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   38.729962][  T348] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   38.729969][  T348] br_device_event (net/bridge/br.c:111) bridge
[   38.729978][  T348]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   38.729981][  T348]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   38.729983][  T348]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   38.729987][  T348]  notifier_call_chain (kernel/notifier.c:85)
[   38.729990][  T348]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   38.729994][  T348]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.729995][  T348]  ? netif_change_name (net/core/dev.c:1517)
[   38.729997][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   38.729999][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   38.730002][  T348]  ? write_profile (profile.c:?)
[   38.730004][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.730007][  T348]  netif_change_flags (net/core/dev.c:9882)
[   38.730009][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   38.730012][  T348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.730013][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.730015][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730016][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.730020][  T348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.730023][  T348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.730025][  T348]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.730026][  T348]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.730027][  T348]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   38.730029][  T348]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   38.730030][  T348]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.730031][  T348]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.730034][  T348]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.730041][  T348]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.730042][  T348]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.730045][  T348]  ? ___sys_sendmsg (net/socket.c:2767)
[   38.730046][  T348]  ? __sys_sendmsg (net/socket.c:2799)
[   38.730048][  T348]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.730050][  T348]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.730052][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730054][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.730055][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730057][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730059][  T348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.730062][  T348]  ? __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)
[   38.730064][  T348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.730065][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.730067][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.730069][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.730071][  T348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.730073][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730075][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.730076][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.730077][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730079][  T348]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   38.730083][  T348]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   38.730084][  T348]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.730086][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   38.730087][  T348]  ? write_profile (profile.c:?)
[   38.730088][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.730089][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730091][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730093][  T348]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   38.730096][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.730098][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730100][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.730101][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.730103][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.730104][  T348]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.730106][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.730108][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.730109][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.730111][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.730112][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.730114][  T348]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   38.730116][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730118][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.730120][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.730122][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.730123][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730125][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730127][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.730128][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.730130][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.730132][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730134][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.730136][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.730137][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.730139][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.730140][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   38.730142][  T348]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.730144][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   38.730146][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.730151][  T348]  __sys_sendmsg (net/socket.c:2799)
[   38.730153][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.730156][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.730158][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.730159][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.730161][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.730162][  T348] RIP: 0033:0x7f02dd27054e
[   38.730164][  T348] 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
[   38.730166][  T348] RSP: 002b:00007fff23da31a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.730170][  T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f02dd27054e
[   38.730171][  T348] RDX: 0000000000000000 RSI: 00007fff23da3250 RDI: 0000000000000005
[   38.730172][  T348] RBP: 00007fff23da31b0 R08: 0000000000000000 R09: 0000000000000000
[   38.730173][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918178


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print