======================================
| [   10.217049][  T225] softirqs last disabled at (25307): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.217052][  T225] Preemption disabled at:
| [   10.217053][  T225] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.217062][  T225] Tainted: [W]=WARN
[   10.217063][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.217065][  T225] Call Trace:
[   10.217066][  T225]  <TASK>
[   10.217068][  T225]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.217074][  T225]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.217076][  T225]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.217081][  T225]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.217085][  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)
[   10.217090][  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))
[   10.217092][  T225]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.217097][  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)
[   10.217100][  T225]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.217103][  T225]  put_chars (drivers/char/virtio_console.c:1176)
[   10.217106][  T225]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.217107][  T225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.217112][  T225]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.217115][  T225]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.217119][  T225]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.217122][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.217127][  T225]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.217129][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.217134][  T225]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.217138][  T225]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.217140][  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))
[   10.217143][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.217145][  T225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.217149][  T225]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.217153][  T225]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.217154][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.217159][  T225]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.217162][  T225]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.217164][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.217166][  T225]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.217170][  T225]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.217171][  T225]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.217174][  T225]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.217178][  T225]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.217184][  T225]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.217187][  T225]  _printk (kernel/printk/printk.c:2504)
[   10.217191][  T225]  ? snapshot_read.cold (user.c:?)
[   10.217197][  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)
[   10.217200][  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
[   10.217203][  T225]  do_one_initcall (init/main.c:1357)
[   10.217206][  T225]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.217210][  T225]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.217214][  T225]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.217220][  T225]  do_init_module (kernel/module/main.c:3117)
[   10.217224][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.217228][  T225]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.217231][  T225]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.217235][  T225]  load_module (kernel/module/main.c:3593)
[   10.217242][  T225]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.217245][  T225]  ? __ia32_sys_fsconfig (??:?)
[   10.217248][  T225]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.217252][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.217254][  T225]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.217257][  T225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.217261][  T225]  init_module_from_file (kernel/module/main.c:3790)
[   10.217264][  T225]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.217272][  T225]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.217275][  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)
[   10.217278][  T225]  idempotent_init_module (kernel/module/main.c:3802)
[   10.217281][  T225]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.217287][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.217290][  T225]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.217296][  T225]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.217298][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.217301][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.217303][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.217306][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.217308][  T225] RIP: 0033:0x7f11ce14c37d
[   10.217312][  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
[   10.217313][  T225] RSP: 002b:00007ffcfe424098 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.217316][  T225] RAX: ffffffffffffffda RBX: 000055ab69cf8810 RCX: 00007f11ce14c37d
[   10.217317][  T225] RDX: 0000000000000000 RSI: 000055ab39017ffd RDI: 0000000000000000
[   10.217318][  T225] RBP: 00007ffcfe424130 R08: 0000000000000000 R09: 0000000000000000
[   10.217319][  T225] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ab39017ffd
[   10.217320][  T225] R13: 000055ab69cf8960 R14: 0000000000040000 R15: 0000000000000000
| [   11.247003][   T93] softirqs last disabled at (30342): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   11.247016][   T93] Preemption disabled at:
| [   11.247017][   T93] 0x0
| [   11.247030][   T93] Tainted: [W]=WARN
[   11.247031][   T93] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.247034][   T93] Workqueue: events_unbound linkwatch_event
[   11.247038][   T93] Call Trace:
[   11.247041][   T93]  <TASK>
[   11.247043][   T93]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.247052][   T93]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.247059][   T93]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.247064][   T93]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.247072][   T93]  __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))
[   11.247076][   T93]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.247085][   T93]  ? 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)
[   11.247089][   T93]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.247094][   T93]  put_chars (drivers/char/virtio_console.c:1176)
[   11.247098][   T93]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.247103][   T93]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.247109][   T93]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.247113][   T93]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.247120][   T93]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.247123][   T93]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.247126][   T93]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.247129][   T93]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.247136][   T93]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.247138][   T93]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.247146][   T93]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.247153][   T93]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.247160][   T93]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.247162][   T93]  ? 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))
[   11.247168][   T93]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.247171][   T93]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.247179][   T93]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.247186][   T93]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.247189][   T93]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.247198][   T93]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.247203][   T93]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.247205][   T93]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.247209][   T93]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.247216][   T93]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.247220][   T93]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.247226][   T93]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.247232][   T93]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.247237][   T93]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.247241][   T93]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.247248][   T93]  _printk (kernel/printk/printk.c:2504)
[   11.247253][   T93]  ? snapshot_read.cold (user.c:?)
[   11.247262][   T93]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.247269][   T93] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.247286][   T93] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.247300][   T93] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   11.247313][   T93] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   11.247328][   T93] br_device_event (net/bridge/br.c:101) bridge
[   11.247343][   T93]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   11.247346][   T93]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   11.247357][   T93]  notifier_call_chain (kernel/notifier.c:85)
[   11.247367][   T93]  netif_state_change (net/core/dev.c:1625)
[   11.247374][   T93]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   11.247382][   T93]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.247386][   T93]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.247391][   T93]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.247396][   T93]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.247403][   T93]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.247407][   T93]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   11.247413][   T93]  process_one_work (kernel/workqueue.c:3387)
[   11.247425][   T93]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   11.247429][   T93]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.247443][   T93]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   11.247450][   T93]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.247453][   T93]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.247458][   T93]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.247462][   T93]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.247465][   T93]  kthread (kernel/kthread.c:436)
[   11.247468][   T93]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.247472][   T93]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.247477][   T93]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.247483][   T93]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   11.247486][   T93]  ? trace_x86_fpu_regs_deactivated (./arch/x86/include/asm/trace/fpu.h:52 (discriminator 22))
[   11.247490][   T93]  ? save_fpregs_to_fpstate (arch/x86/kernel/fpu/core.c:144)
[   11.247493][   T93]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.247497][   T93]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.247502][   T93]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.483323][    C1] softirqs last disabled at (584793): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.483325][    C1] Preemption disabled at:
| [   26.483326][    C1] 0x0
| [   26.483337][    C1] Tainted: [W]=WARN
[   26.483338][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.483339][    C1] Call Trace:
[   26.483341][    C1]  <IRQ>
[   26.483344][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.483349][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.483353][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.483357][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.483360][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483363][    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))
[   26.483367][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.483369][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.483373][    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)
[   26.483374][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.483377][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   26.483379][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.483380][    C1]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.483384][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.483387][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.483389][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483391][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.483393][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.483395][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.483397][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483399][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483400][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.483402][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.483404][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.483406][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.483409][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.483411][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.483412][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.483414][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483415][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.483417][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.483419][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.483421][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.483423][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.483425][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.483427][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.483439][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.483441][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.483447][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.483453][    C1]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   26.483457][    C1]  _printk (kernel/printk/printk.c:2504)
[   26.483460][    C1]  ? snapshot_read.cold (user.c:?)
[   26.483462][    C1]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.483466][    C1]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.483468][    C1]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.483470][    C1]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.483472][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.483475][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.483477][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.483478][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.483481][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.483482][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.483489][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483490][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.483492][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.483498][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.483500][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.483506][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.483513][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.483519][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   26.483522][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.483523][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.483527][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.483529][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.483531][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483533][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.483535][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.483541][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.483543][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.483546][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.483548][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.483550][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.483552][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.483554][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483556][    C1]  handle_softirqs (kernel/softirq.c:645)
[   26.483558][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.483559][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.483562][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.483563][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   26.483565][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.483568][    C1]  </IRQ>
[   26.483568][    C1]  <TASK>
[   26.483569][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.483571][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.483573][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.483576][    C1] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.483578][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   26.483581][    C1] RAX: 000000000008ec57 RBX: ff11000001bea380 RCX: ffffffff894f0307
[   26.483582][    C1] RDX: ff11000001bea380 RSI: ffffffff8c238b1c RDI: ffffffff8bc8d8e0
[   26.483583][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.483584][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   26.483585][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.483586][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.483590][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.483592][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   26.483593][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.483595][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   26.483597][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.483599][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.483600][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.483602][    C1]  do_idle (kernel/sched/idle.c:355)
[   26.483604][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.483605][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.483607][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.483609][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   26.543653][    C1]
| [   26.543727][    C1]
| [   26.543727][    C1] stack backtrace:
| [   26.543906][    C1] Tainted: [W]=WARN
[   26.543907][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.543909][    C1] Call Trace:
[   26.543910][    C1]  <IRQ>
[   26.543912][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.543916][    C1]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.543919][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.543922][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.543923][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.543925][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.543927][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.543929][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.543936][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.543939][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.543941][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.543947][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.543949][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.543955][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.543962][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.543968][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   26.543970][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.543972][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.543976][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.543977][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.543979][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.543981][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.543983][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.543990][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.543992][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.543994][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.543997][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.543999][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.544000][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.544003][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.544004][    C1]  handle_softirqs (kernel/softirq.c:645)
[   26.544006][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.544008][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.544010][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.544011][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   26.544013][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.544014][    C1]  </IRQ>
[   26.544015][    C1]  <TASK>
[   26.544015][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.544017][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.544019][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.544021][    C1] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.544023][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   26.544025][    C1] RAX: 000000000008ec57 RBX: ff11000001bea380 RCX: ffffffff894f0307
[   26.544026][    C1] RDX: ff11000001bea380 RSI: ffffffff8c238b1c RDI: ffffffff8bc8d8e0
[   26.544027][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.544028][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   26.544029][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.544031][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.544033][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.544035][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   26.544036][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.544038][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   26.544039][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.544041][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.544042][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.544044][    C1]  do_idle (kernel/sched/idle.c:355)
[   26.544046][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.544047][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.544048][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.544050][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   37.815801][  T348] softirqs last disabled at (0): 0x0
| [   37.815802][  T348] Preemption disabled at:
| [   37.815803][  T348] 0x0
| [   37.815812][  T348] Tainted: [W]=WARN
[   37.815813][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.815814][  T348] Call Trace:
[   37.815816][  T348]  <TASK>
[   37.815817][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.815823][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.815827][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.815830][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.815834][  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))
[   37.815838][  T348]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.815841][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.815845][  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)
[   37.815847][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.815849][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   37.815851][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.815853][  T348]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   37.815856][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.815860][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.815862][  T348]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.815863][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.815865][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.815867][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.815870][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.815872][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.815873][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.815875][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.815877][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.815878][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   37.815880][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.815883][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.815886][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.815889][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.815891][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.815893][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.815896][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.815898][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.815899][  T348]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   37.815902][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.815903][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.815905][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.815908][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.815910][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.815911][  T348]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.815914][  T348]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   37.815916][  T348]  _printk (kernel/printk/printk.c:2504)
[   37.815919][  T348]  ? snapshot_read.cold (user.c:?)
[   37.815922][  T348]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   37.815926][  T348] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   37.815939][  T348] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   37.815947][  T348] br_device_event (net/bridge/br.c:111) bridge
[   37.815956][  T348]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   37.815959][  T348]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   37.815962][  T348]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   37.815965][  T348]  notifier_call_chain (kernel/notifier.c:85)
[   37.815968][  T348]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   37.815972][  T348]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.815974][  T348]  ? netif_change_name (net/core/dev.c:1517)
[   37.815976][  T348]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   37.815978][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   37.815980][  T348]  ? write_profile (profile.c:?)
[   37.815982][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   37.815986][  T348]  netif_change_flags (net/core/dev.c:9882)
[   37.815988][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   37.815991][  T348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.815992][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.815993][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.815995][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   37.815999][  T348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.816002][  T348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.816003][  T348]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.816005][  T348]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.816006][  T348]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   37.816008][  T348]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   37.816009][  T348]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.816010][  T348]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.816013][  T348]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.816014][  T348]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.816015][  T348]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   37.816018][  T348]  ? ___sys_sendmsg (net/socket.c:2767)
[   37.816019][  T348]  ? __sys_sendmsg (net/socket.c:2799)
[   37.816021][  T348]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.816023][  T348]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.816025][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816027][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.816029][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816030][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816032][  T348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.816035][  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)
[   37.816037][  T348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.816038][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.816039][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.816042][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.816044][  T348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.816046][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816048][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.816049][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.816050][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816052][  T348]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   37.816055][  T348]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   37.816057][  T348]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   37.816059][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   37.816060][  T348]  ? write_profile (profile.c:?)
[   37.816061][  T348]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   37.816062][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816064][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816066][  T348]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   37.816069][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.816071][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816073][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.816074][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.816076][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.816077][  T348]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   37.816078][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   37.816081][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.816082][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.816084][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.816085][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.816087][  T348]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   37.816089][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816091][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.816093][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.816095][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.816096][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816098][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816100][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.816102][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.816103][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.816105][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816107][  T348]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.816109][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   37.816111][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.816112][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   37.816114][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   37.816115][  T348]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   37.816118][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   37.816119][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.816124][  T348]  __sys_sendmsg (net/socket.c:2799)
[   37.816126][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.816129][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.816131][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.816133][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.816135][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.816136][  T348] RIP: 0033:0x7fdd2665d54e
[   37.816138][  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
[   37.816140][  T348] RSP: 002b:00007ffeabf4f2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.816143][  T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdd2665d54e
[   37.816145][  T348] RDX: 0000000000000000 RSI: 00007ffeabf4f3a0 RDI: 0000000000000005
[   37.816145][  T348] RBP: 00007ffeabf4f300 R08: 0000000000000000 R09: 0000000000000000
[   37.816146][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dadc


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