======================================
| [   11.093227][  T227] softirqs last disabled at (20685): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.093229][  T227] Preemption disabled at:
| [   11.093230][  T227] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.093240][  T227] Tainted: [W]=WARN
[   11.093241][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.093243][  T227] Call Trace:
[   11.093244][  T227]  <TASK>
[   11.093246][  T227]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.093251][  T227]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.093253][  T227]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.093258][  T227]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.093262][  T227]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.093267][  T227]  __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))
[   11.093270][  T227]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.093275][  T227]  ? 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)
[   11.093278][  T227]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.093281][  T227]  put_chars (drivers/char/virtio_console.c:1176)
[   11.093284][  T227]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.093285][  T227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.093290][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.093292][  T227]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.093296][  T227]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.093299][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.093304][  T227]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.093306][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.093311][  T227]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.093315][  T227]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.093317][  T227]  ? 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))
[   11.093320][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.093322][  T227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.093326][  T227]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.093330][  T227]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.093331][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.093336][  T227]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.093339][  T227]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.093341][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.093343][  T227]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.093347][  T227]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.093348][  T227]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.093352][  T227]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.093356][  T227]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.093361][  T227]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.093365][  T227]  _printk (kernel/printk/printk.c:2504)
[   11.093369][  T227]  ? snapshot_read.cold (user.c:?)
[   11.093375][  T227]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.093378][  T227] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.093381][  T227]  do_one_initcall (init/main.c:1357)
[   11.093384][  T227]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.093388][  T227]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.093391][  T227]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.093396][  T227]  do_init_module (kernel/module/main.c:3117)
[   11.093399][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.093403][  T227]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.093407][  T227]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.093410][  T227]  load_module (kernel/module/main.c:3593)
[   11.093417][  T227]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.093421][  T227]  ? __ia32_sys_fsconfig (??:?)
[   11.093424][  T227]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.093427][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.093429][  T227]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.093432][  T227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.093436][  T227]  init_module_from_file (kernel/module/main.c:3790)
[   11.093439][  T227]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.093447][  T227]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.093450][  T227]  ? 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)
[   11.093453][  T227]  idempotent_init_module (kernel/module/main.c:3802)
[   11.093456][  T227]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.093462][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.093465][  T227]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.093470][  T227]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.093472][  T227]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.093476][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.093478][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.093480][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.093482][  T227] RIP: 0033:0x7f245eabb37d
[   11.093486][  T227] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.093488][  T227] RSP: 002b:00007ffccc7f5548 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.093490][  T227] RAX: ffffffffffffffda RBX: 000055abc77f2810 RCX: 00007f245eabb37d
[   11.093492][  T227] RDX: 0000000000000000 RSI: 000055ab9e163ffd RDI: 0000000000000000
[   11.093492][  T227] RBP: 00007ffccc7f55e0 R08: 0000000000000000 R09: 0000000000000000
[   11.093493][  T227] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ab9e163ffd
[   11.093494][  T227] R13: 000055abc77f2960 R14: 0000000000040000 R15: 0000000000000000
| [   27.034541][    C0] softirqs last disabled at (639551): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.034542][    C0] Preemption disabled at:
| [   27.034543][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   27.034553][    C0] Tainted: [W]=WARN
[   27.034554][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.034556][    C0] Call Trace:
[   27.034558][    C0]  <IRQ>
[   27.034559][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.034565][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   27.034566][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.034570][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.034573][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.034576][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.034580][    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))
[   27.034583][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.034586][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.034589][    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)
[   27.034591][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.034593][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   27.034595][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.034597][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.034601][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.034604][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.034605][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.034607][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.034609][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.034611][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.034613][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.034615][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.034617][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.034619][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.034620][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.034622][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.034625][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.034627][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.034628][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.034630][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.034631][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.034633][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.034634][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.034636][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.034638][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.034640][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.034642][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.034644][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.034645][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   27.034650][    C0]  _printk (kernel/printk/printk.c:2504)
[   27.034653][    C0]  ? snapshot_read.cold (user.c:?)
[   27.034655][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.034659][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.034661][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.034663][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.034665][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.034668][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.034670][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.034672][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.034674][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.034675][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.034688][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.034690][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.034692][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.034698][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.034700][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.034706][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.034712][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.034718][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.034721][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.034723][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.034726][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.034728][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.034730][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.034732][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.034734][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.034740][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.034742][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.034745][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.034747][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.034749][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.034750][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.034753][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.034754][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.034756][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.034758][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.034760][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.034761][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.034763][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.034766][    C0]  </IRQ>
[   27.034766][    C0]  <TASK>
[   27.034767][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.034768][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.034771][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.034774][    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
[   27.034776][    C0] RSP: 0018:ffffffffbce07cf8 EFLAGS: 00000296
[   27.034779][    C0] RAX: 000000000009c23d RBX: ffffffffbce1c600 RCX: ffffffffb9ef0307
[   27.034780][    C0] RDX: ffffffffbce1c600 RSI: ffffffffbcc38af6 RDI: ffffffffbc68d8e0
[   27.034781][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.034782][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff79c0fa2
[   27.034782][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.034784][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.034787][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.034788][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.034790][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.034792][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.034793][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.034795][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.034797][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.034799][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.034801][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.034802][    C0]  rest_init (init/main.c:727)
[   27.034804][    C0]  ? __cpuidle_text_end (??:?)
[   27.034807][    C0]  ? rest_init (init/main.c:727)
[   27.034809][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.034813][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.034815][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.034818][    C0]  start_kernel (init/main.c:1185)
[   27.034820][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.034821][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.034823][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.102184][    C0]
| [   27.102316][    C0]
| [   27.102316][    C0] stack backtrace:
| [   27.102506][    C0] Tainted: [W]=WARN
[   27.102507][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.102508][    C0] Call Trace:
[   27.102509][    C0]  <IRQ>
[   27.102510][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.102515][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.102518][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.102521][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.102523][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.102524][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.102526][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.102528][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.102535][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.102538][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.102540][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.102546][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.102548][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.102555][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.102561][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.102567][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.102569][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.102571][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.102574][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.102576][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.102578][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.102580][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.102582][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.102588][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.102590][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.102592][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.102595][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.102597][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.102598][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.102600][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.102602][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.102604][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.102605][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.102607][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.102609][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.102610][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.102612][    C0]  </IRQ>
[   27.102612][    C0]  <TASK>
[   27.102613][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.102615][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.102616][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.102618][    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
[   27.102620][    C0] RSP: 0018:ffffffffbce07cf8 EFLAGS: 00000296
[   27.102623][    C0] RAX: 000000000009c23d RBX: ffffffffbce1c600 RCX: ffffffffb9ef0307
[   27.102624][    C0] RDX: ffffffffbce1c600 RSI: ffffffffbcc38af6 RDI: ffffffffbc68d8e0
[   27.102625][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.102626][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff79c0fa2
[   27.102626][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.102628][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.102630][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.102632][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.102633][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.102635][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.102636][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.102638][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.102640][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.102642][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.102644][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.102645][    C0]  rest_init (init/main.c:727)
[   27.102647][    C0]  ? __cpuidle_text_end (??:?)
[   27.102649][    C0]  ? rest_init (init/main.c:727)
[   27.102651][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.102655][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.102657][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.102659][    C0]  start_kernel (init/main.c:1185)
[   27.102661][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.102663][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.102664][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   37.844252][  T322] softirqs last disabled at (0): 0x0
| [   37.844254][  T322] Preemption disabled at:
| [   37.844255][  T322] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.844265][  T322] Tainted: [W]=WARN
[   37.844266][  T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.844268][  T322] Call Trace:
[   37.844270][  T322]  <TASK>
[   37.844271][  T322]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.844276][  T322]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.844278][  T322]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.844282][  T322]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.844285][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.844289][  T322]  __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))
[   37.844292][  T322]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.844294][  T322]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.844298][  T322]  ? 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)
[   37.844300][  T322]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.844301][  T322]  put_chars (drivers/char/virtio_console.c:1176)
[   37.844303][  T322]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   37.844305][  T322]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.844307][  T322]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   37.844309][  T322]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.844317][  T322]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.844318][  T322]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   37.844320][  T322]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.844322][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.844323][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.844325][  T322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.844327][  T322]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.844330][  T322]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.844332][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.844333][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.844335][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.844336][  T322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.844338][  T322]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   37.844340][  T322]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.844342][  T322]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.844345][  T322]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.844347][  T322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.844348][  T322]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.844350][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.844351][  T322]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.844352][  T322]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.844354][  T322]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   37.844356][  T322]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.844358][  T322]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.844360][  T322]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.844362][  T322]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.844365][  T322]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   37.844367][  T322]  _printk (kernel/printk/printk.c:2504)
[   37.844371][  T322]  ? snapshot_read.cold (user.c:?)
[   37.844373][  T322]  ? 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)
[   37.844375][  T322] gact_init_module (net/sched/act_gact.c:180) act_gact
[   37.844378][  T322]  do_one_initcall (init/main.c:1357)
[   37.844379][  T322]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   37.844382][  T322]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   37.844384][  T322]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   37.844387][  T322]  do_init_module (kernel/module/main.c:3117)
[   37.844389][  T322]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   37.844392][  T322]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   37.844394][  T322]  load_module (kernel/module/main.c:3593)
[   37.844397][  T322]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   37.844399][  T322]  ? __ia32_sys_fsconfig (??:?)
[   37.844401][  T322]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   37.844405][  T322]  ? backing_file_read_iter (fs/backing-file.c:211)
[   37.844408][  T322]  init_module_from_file (kernel/module/main.c:3790)
[   37.844410][  T322]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   37.844412][  T322]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   37.844414][  T322]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.844416][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.844418][  T322]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.844419][  T322]  ? 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)
[   37.844421][  T322]  idempotent_init_module (kernel/module/main.c:3802)
[   37.844423][  T322]  ? init_module_from_file (kernel/module/main.c:3791)
[   37.844426][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.844428][  T322]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   37.844432][  T322]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   37.844433][  T322]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.844436][  T322]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.844439][  T322]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.844441][  T322]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.844443][  T322] RIP: 0033:0x7f938f42d37d
[   37.844445][  T322] 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
[   37.844447][  T322] RSP: 002b:00007ffdd0bc9838 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   37.844451][  T322] RAX: ffffffffffffffda RBX: 000055efc58d3810 RCX: 00007f938f42d37d
[   37.844452][  T322] RDX: 0000000000000000 RSI: 000055ef937b9ffd RDI: 0000000000000000
[   37.844453][  T322] RBP: 00007ffdd0bc98d0 R08: 0000000000000000 R09: 0000000000000000
[   37.844454][  T322] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ef937b9ffd
[   37.844455][  T322] R13: 000055efc58d3960 R14: 0000000000040000 R15: 0000000000000000
| [   61.321538][  T555] softirqs last disabled at (0): 0x0
| [   61.321540][  T555] Preemption disabled at:
| [   61.321541][  T555] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.321555][  T555] Tainted: [W]=WARN
[   61.321557][  T555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.321559][  T555] Call Trace:
[   61.321561][  T555]  <TASK>
[   61.321563][  T555]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.321569][  T555]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.321572][  T555]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.321576][  T555]  ? __module_address (kernel/module/main.c:3915)
[   61.321580][  T555]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.321584][  T555]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   61.321586][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321591][  T555]  __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))
[   61.321595][  T555]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   61.321598][  T555]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.321604][  T555]  ? 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)
[   61.321606][  T555]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.321609][  T555]  put_chars (drivers/char/virtio_console.c:1176)
[   61.321611][  T555]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   61.321613][  T555]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.321616][  T555]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   61.321620][  T555]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.321625][  T555]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.321627][  T555]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   61.321629][  T555]  ? vsnprintf (lib/vsprintf.c:2900)
[   61.321633][  T555]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   61.321635][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321638][  T555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.321641][  T555]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.321645][  T555]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.321648][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321650][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321652][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321655][  T555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.321657][  T555]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   61.321660][  T555]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.321663][  T555]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.321667][  T555]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.321670][  T555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.321672][  T555]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.321674][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321677][  T555]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.321679][  T555]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   61.321681][  T555]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   61.321684][  T555]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.321687][  T555]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.321690][  T555]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.321693][  T555]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.321696][  T555]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   61.321698][  T555]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   61.321701][  T555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.321703][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321706][  T555]  _printk (kernel/printk/printk.c:2504)
[   61.321710][  T555]  ? snapshot_read.cold (user.c:?)
[   61.321713][  T555]  ? br_multicast_flood (??:?) bridge
[   61.321730][  T555]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   61.321734][  T555]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.321736][  T555]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.321739][  T555] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   61.321753][  T555] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   61.321766][  T555] new_nbp (net/bridge/br_if.c:449) bridge
[   61.321779][  T555] br_add_if (net/bridge/br_if.c:592) bridge
[   61.321790][  T555]  ? netif_rx_mode_sync (net/core/dev_addr_lists.c:1410)
[   61.321793][  T555]  ? dev_change_flags (net/core/dev_api.c:69)
[   61.321796][  T555]  ? cycle_netdev (drivers/net/vrf.c:1003) vrf
[   61.321800][  T555]  ? vrf_del_slave (drivers/net/vrf.c:1068 drivers/net/vrf.c:1075) vrf
[   61.321803][  T555]  do_set_master (net/core/rtnetlink.c:3071)
[   61.321807][  T555]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   61.321809][  T555]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.321812][  T555]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.321813][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321816][  T555]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   61.321821][  T555]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.321824][  T555]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.321826][  T555]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.321828][  T555]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.321830][  T555]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   61.321833][  T555]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   61.321834][  T555]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.321836][  T555]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.321839][  T555]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.321841][  T555]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.321843][  T555]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   61.321846][  T555]  ? ___sys_sendmsg (net/socket.c:2767)
[   61.321849][  T555]  ? __sys_sendmsg (net/socket.c:2799)
[   61.321851][  T555]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.321853][  T555]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.321857][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321860][  T555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.321862][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321864][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321867][  T555]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.321871][  T555]  ? __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)
[   61.321874][  T555]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.321876][  T555]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.321878][  T555]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.321880][  T555]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.321883][  T555]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.321887][  T555]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.321890][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321893][  T555]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.321895][  T555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.321897][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321900][  T555]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   61.321904][  T555]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   61.321906][  T555]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   61.321909][  T555]  ? __kernel_text_address (kernel/extable.c:79)
[   61.321911][  T555]  ? write_profile (profile.c:?)
[   61.321913][  T555]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   61.321916][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321919][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321921][  T555]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   61.321925][  T555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.321927][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321930][  T555]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.321932][  T555]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.321935][  T555]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.321937][  T555]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   61.321939][  T555]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   61.321943][  T555]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.321945][  T555]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.321947][  T555]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.321949][  T555]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.321952][  T555]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   61.321956][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321958][  T555]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.321961][  T555]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.321964][  T555]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.321967][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321969][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321971][  T555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.321974][  T555]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.321977][  T555]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.321980][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.321983][  T555]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.321985][  T555]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   61.321988][  T555]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.321990][  T555]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   61.321992][  T555]  ? move_addr_to_kernel (net/socket.c:258)
[   61.321995][  T555]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   61.321999][  T555]  ___sys_sendmsg (net/socket.c:2767)
[   61.322002][  T555]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.322010][  T555]  __sys_sendmsg (net/socket.c:2799)
[   61.322012][  T555]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.322017][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.322020][  T555]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.322022][  T555]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.322024][  T555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.322027][  T555] RIP: 0033:0x7fded28e054e
[   61.322029][  T555] 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
[   61.322032][  T555] RSP: 002b:00007ffca3ef6840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.322036][  T555] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fded28e054e
[   61.322038][  T555] RDX: 0000000000000000 RSI: 00007ffca3ef68f0 RDI: 0000000000000005
[   61.322040][  T555] RBP: 00007ffca3ef6850 R08: 0000000000000000 R09: 0000000000000000
[   61.322041][  T555] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9189b9
[   61.322042][  T555] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca3ef6fb0
| [   63.508214][  T568] softirqs last disabled at (0): 0x0
| [   63.508216][  T568] Preemption disabled at:
| [   63.508217][  T568] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.508229][  T568] Tainted: [W]=WARN
[   63.508230][  T568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.508231][  T568] Call Trace:
[   63.508233][  T568]  <TASK>
[   63.508234][  T568]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.508242][  T568]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.508244][  T568]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.508248][  T568]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.508251][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508255][  T568]  __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))
[   63.508258][  T568]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   63.508261][  T568]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.508264][  T568]  ? 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)
[   63.508266][  T568]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.508268][  T568]  put_chars (drivers/char/virtio_console.c:1176)
[   63.508270][  T568]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.508272][  T568]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   63.508275][  T568]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.508278][  T568]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.508280][  T568]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   63.508281][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508283][  T568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.508285][  T568]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.508288][  T568]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.508290][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508291][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508293][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508295][  T568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.508297][  T568]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   63.508298][  T568]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.508301][  T568]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.508303][  T568]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.508305][  T568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.508307][  T568]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.508308][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508310][  T568]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.508311][  T568]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   63.508313][  T568]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   63.508315][  T568]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.508317][  T568]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.508319][  T568]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.508321][  T568]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.508323][  T568]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.508326][  T568]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   63.508329][  T568]  ? ___sys_sendmsg (net/socket.c:2767)
[   63.508331][  T568]  ? __sys_sendmsg (net/socket.c:2799)
[   63.508332][  T568]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.508335][  T568]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.508337][  T568]  _printk (kernel/printk/printk.c:2504)
[   63.508341][  T568]  ? snapshot_read.cold (user.c:?)
[   63.508343][  T568]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   63.508346][  T568]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   63.508347][  T568]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   63.508349][  T568]  ? netdev_notice (net/core/dev.c:13194)
[   63.508351][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508353][  T568]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   63.508355][  T568]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   63.508357][  T568]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   63.508358][  T568]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   63.508361][  T568]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   63.508364][  T568]  dev_set_allmulti (net/core/dev_api.c:315)
[   63.508367][  T568] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   63.508379][  T568]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   63.508383][  T568] br_dev_delete (net/bridge/br_if.c:387) bridge
[   63.508390][  T568]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   63.508393][  T568]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.508395][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508397][  T568]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   63.508399][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508412][  T568]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   63.508415][  T568]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.508416][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508418][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508420][  T568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.508421][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508423][  T568]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.508425][  T568]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   63.508428][  T568]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   63.508430][  T568]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   63.508432][  T568]  ? __kernel_text_address (kernel/extable.c:79)
[   63.508433][  T568]  ? write_profile (profile.c:?)
[   63.508436][  T568]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   63.508437][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508439][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508440][  T568]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   63.508444][  T568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.508445][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508447][  T568]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   63.508449][  T568]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.508451][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.508452][  T568]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   63.508454][  T568]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   63.508458][  T568]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.508459][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.508461][  T568]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.508462][  T568]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.508463][  T568]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   63.508466][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508468][  T568]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.508470][  T568]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.508472][  T568]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.508473][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508475][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508477][  T568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.508478][  T568]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.508480][  T568]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   63.508482][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508484][  T568]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   63.508486][  T568]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   63.508488][  T568]  ? copy_msghdr_from_user (net/socket.c:2650)
[   63.508489][  T568]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   63.508491][  T568]  ? move_addr_to_kernel (net/socket.c:258)
[   63.508492][  T568]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   63.508495][  T568]  ___sys_sendmsg (net/socket.c:2767)
[   63.508497][  T568]  ? copy_msghdr_from_user (net/socket.c:2619)
[   63.508502][  T568]  __sys_sendmsg (net/socket.c:2799)
[   63.508503][  T568]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   63.508506][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.508508][  T568]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.508510][  T568]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   63.508512][  T568]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.508514][  T568] RIP: 0033:0x7f8b38efc54e
[   63.508515][  T568] 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
[   63.508517][  T568] RSP: 002b:00007ffded02f400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.508521][  T568] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8b38efc54e
[   63.508522][  T568] RDX: 0000000000000000 RSI: 00007ffded02f4b0 RDI: 0000000000000005
[   63.508523][  T568] RBP: 00007ffded02f410 R08: 0000000000000000 R09: 0000000000000000
[   63.508524][  T568] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9189bb
[   63.508525][  T568] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffded02fb70
| [   82.362237][  T863] softirqs last disabled at (0): 0x0
| [   82.362241][  T863] Preemption disabled at:
| [   82.362242][  T863] vprintk_emit (kernel/printk/printk.c:2471)
| [   82.362253][  T863] Tainted: [W]=WARN
[   82.362254][  T863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.362256][  T863] Call Trace:
[   82.362257][  T863]  <TASK>
[   82.362259][  T863]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   82.362264][  T863]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   82.362266][  T863]  __might_resched.cold (kernel/sched/core.c:9234)
[   82.362269][  T863]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   82.362273][  T863]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   82.362276][  T863]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   82.362277][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362281][  T863]  __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))
[   82.362284][  T863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   82.362287][  T863]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.362291][  T863]  ? 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)
[   82.362292][  T863]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.362294][  T863]  put_chars (drivers/char/virtio_console.c:1176)
[   82.362296][  T863]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   82.362297][  T863]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   82.362299][  T863]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   82.362301][  T863]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   82.362305][  T863]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   82.362306][  T863]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   82.362308][  T863]  ? vsnprintf (lib/vsprintf.c:2900)
[   82.362311][  T863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   82.362312][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362314][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.362316][  T863]  console_emit_next_record (kernel/printk/printk.c:3183)
[   82.362319][  T863]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   82.362321][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362323][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362324][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362326][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.362328][  T863]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   82.362330][  T863]  console_flush_one_record (kernel/printk/printk.c:3268)
[   82.362332][  T863]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   82.362335][  T863]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   82.362336][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.362338][  T863]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   82.362339][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362341][  T863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.362342][  T863]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   82.362344][  T863]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   82.362346][  T863]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   82.362348][  T863]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   82.362350][  T863]  vprintk_emit (kernel/printk/printk.c:2479)
[   82.362354][  T863]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   82.362356][  T863]  _printk (kernel/printk/printk.c:2504)
[   82.362360][  T863]  ? snapshot_read.cold (user.c:?)
[   82.362361][  T863]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   82.362365][  T863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   82.362367][  T863]  ? br_port_set_promisc (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_if.c:106) bridge
[   82.362379][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362381][  T863]  ? br_vlan_filter_toggle (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:919) bridge
[   82.362390][  T863] br_vlan_filter_toggle.cold (net/bridge/br_vlan.c:920 (discriminator 1)) bridge
[   82.362399][  T863]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   82.362403][  T863] br_changelink (net/bridge/br_netlink.c:1363) bridge
[   82.362411][  T863]  ? __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)
[   82.362413][  T863]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   82.362415][  T863]  ? br_get_size (net/bridge/br_netlink.c:1676) bridge
[   82.362421][  T863]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   82.362424][  T863]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   82.362425][  T863]  ? nla_get_range_signed (lib/nlattr.c:270)
[   82.362429][  T863]  __rtnl_newlink (net/core/rtnetlink.c:3865 net/core/rtnetlink.c:4076)
[   82.362431][  T863]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   82.362433][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362435][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   82.362436][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.362438][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362440][  T863]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   82.362442][  T863]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   82.362444][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362445][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362447][  T863]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   82.362450][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.362452][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362454][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   82.362455][  T863]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   82.362457][  T863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.362458][  T863]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   82.362460][  T863]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   82.362463][  T863]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   82.362466][  T863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.362468][  T863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.362469][  T863]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.362471][  T863]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   82.362473][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362482][  T863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.362484][  T863]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.362486][  T863]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.362488][  T863]  ? next_uptodate_folio (mm/filemap.c:3747)
[   82.362491][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362493][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362494][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362497][  T863]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   82.362499][  T863]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   82.362501][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362502][  T863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.362504][  T863]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   82.362506][  T863]  ? copy_msghdr_from_user (net/socket.c:2650)
[   82.362508][  T863]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   82.362509][  T863]  ? move_addr_to_kernel (net/socket.c:258)
[   82.362511][  T863]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   82.362514][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.362516][  T863]  ___sys_sendmsg (net/socket.c:2767)
[   82.362518][  T863]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   82.362520][  T863]  ? copy_msghdr_from_user (net/socket.c:2619)
[   82.362522][  T863]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   82.362527][  T863]  __sys_sendmsg (net/socket.c:2799)
[   82.362529][  T863]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   82.362531][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362533][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.362535][  T863]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   82.362537][  T863]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   82.362539][  T863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.362541][  T863] RIP: 0033:0x7f1f177f954e
[   82.362543][  T863] 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
[   82.362545][  T863] RSP: 002b:00007fff83e5b770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.362549][  T863] RAX: ffffffffffffffda RBX: 00007fff83e5bf10 RCX: 00007f1f177f954e
[   82.362550][  T863] RDX: 0000000000000000 RSI: 00007fff83e5b820 RDI: 0000000000000005
[   82.362551][  T863] RBP: 00007fff83e5b780 R08: 0000000000000000 R09: 0000000000000000
[   82.362552][  T863] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9189ce


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