======================================
| [    9.513966][  T186] softirqs last disabled at (34626): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.513968][  T186] Preemption disabled at:
| [    9.513969][  T186] 0x0
| [    9.513979][  T186] Tainted: [W]=WARN
[    9.513980][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.513982][  T186] Call Trace:
[    9.513984][  T186]  <TASK>
[    9.513985][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.513991][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.513996][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.514001][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.514006][  T186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.514008][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.514014][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.514017][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.514020][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.514023][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.514024][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.514029][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.514035][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.514041][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.514043][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.514046][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.514050][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.514054][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.514056][  T186]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.514059][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.514062][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.514066][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.514070][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.514072][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.514077][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.514080][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.514082][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.514085][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.514089][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.514090][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.514094][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.514098][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.514101][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.514105][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.514108][  T186]  ? snapshot_read.cold (user.c:?)
[    9.514111][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.514114][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.514118][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.514120][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.514124][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.514126][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.514129][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.514133][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.514136][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.514138][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.514140][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.514143][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.514146][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.514148][  T186] RIP: 0033:0x7fdec7f081b8
[    9.514150][  T186] Code: Unable to access opcode bytes at 0x7fdec7f0818e.

Code starting with the faulting instruction
===========================================
[    9.514152][  T186] RSP: 002b:00007ffe330ce828 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.514154][  T186] RAX: ffffffffffffffda RBX: 00007fdec8038f88 RCX: 00007fdec7f081b8
[    9.514155][  T186] RDX: 00007fdec7c52fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.514156][  T186] RBP: 00007ffe330ce880 R08: 0000000000000000 R09: 0000000000008010
[    9.514157][  T186] R10: 00007ffe330ce640 R11: 0000000000000246 R12: 0000000000000001
[    9.514158][  T186] R13: 0000000000000000 R14: 00007fdec8037680 R15: 00007fdec8038fa0
| [    9.906886][    C0]
| [    9.906887][    C0]
| [    9.906887][    C0] stack backtrace:
| [    9.906893][    C0] Tainted: [W]=WARN
[    9.906894][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.906896][    C0] Call Trace:
[    9.906897][    C0]  <IRQ>
[    9.906902][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.906907][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[    9.906909][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[    9.906910][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[    9.906913][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[    9.906915][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[    9.906917][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[    9.906919][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.906921][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[    9.906923][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.906926][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.906928][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[    9.906930][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[    9.906931][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[    9.906933][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.906935][    C0]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.906937][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.906939][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.906941][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.906943][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.906945][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.906947][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.906949][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.906951][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.906952][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.906954][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.906956][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.906958][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.906960][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.906963][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[    9.906964][    C0]  _printk (kernel/printk/printk.c:2504)
[    9.906966][    C0]  ? snapshot_read.cold (user.c:?)
[    9.906968][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[    9.906970][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.906972][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[    9.906973][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[    9.906975][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[    9.906977][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[    9.906979][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[    9.906981][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[    9.906984][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.906986][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.906987][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.906989][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[    9.906991][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[    9.906993][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[    9.906995][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.906998][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.907000][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[    9.907002][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[    9.907004][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.907006][    C0]  handle_softirqs (kernel/softirq.c:645)
[    9.907008][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.907009][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[    9.907011][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[    9.907013][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[    9.907014][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[    9.907016][    C0]  </IRQ>
[    9.907016][    C0]  <TASK>
[    9.907017][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[    9.907019][    C0] RIP: 0010:unwind_next_frame (arch/x86/kernel/unwind_orc.c:511)
[    9.907021][    C0] Code: 8b 7d 58 3c 01 48 83 df 00 0f 84 21 05 00 00 48 89 54 24 10 e8 ce f7 ff ff 48 8b 54 24 10 48 85 c0 49 89 c0 0f 84 1d 04 00 00 <48> b9 00 00 00 00 00 fc ff df 49 8d 40 05 48 89 c6 48 c1 ee 03 0f
All code
========
   0:	8b 7d 58             	mov    0x58(%rbp),%edi
   3:	3c 01                	cmp    $0x1,%al
   5:	48 83 df 00          	sbb    $0x0,%rdi
   9:	0f 84 21 05 00 00    	je     0x530
   f:	48 89 54 24 10       	mov    %rdx,0x10(%rsp)
  14:	e8 ce f7 ff ff       	call   0xfffffffffffff7e7
  19:	48 8b 54 24 10       	mov    0x10(%rsp),%rdx
  1e:	48 85 c0             	test   %rax,%rax
  21:	49 89 c0             	mov    %rax,%r8
  24:	0f 84 1d 04 00 00    	je     0x447
  2a:*	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx		<-- trapping instruction
  31:	fc ff df 
  34:	49 8d 40 05          	lea    0x5(%r8),%rax
  38:	48 89 c6             	mov    %rax,%rsi
  3b:	48 c1 ee 03          	shr    $0x3,%rsi
  3f:	0f                   	.byte 0xf

Code starting with the faulting instruction
===========================================
   0:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
   7:	fc ff df 
   a:	49 8d 40 05          	lea    0x5(%r8),%rax
   e:	48 89 c6             	mov    %rax,%rsi
  11:	48 c1 ee 03          	shr    $0x3,%rsi
  15:	0f                   	.byte 0xf
[    9.907023][    C0] RSP: 0018:ffa00000014d7500 EFLAGS: 00000286
[    9.907026][    C0] RAX: ffffffffaad3b128 RBX: 1ff400000029aea9 RCX: ffffffffa6dafb57
[    9.907027][    C0] RDX: ffa00000014d7641 RSI: ffffffffaab23d9c RDI: 0000000000000000
[    9.907028][    C0] RBP: 0000000000000001 R08: ffffffffaad3b128 R09: ffffffffaab23d9c
[    9.907029][    C0] R10: ffffffffa6dafcd3 R11: 0000000000000000 R12: ffa00000014d7658
[    9.907030][    C0] R13: ffa00000014d7600 R14: ff1100000cc3a380 R15: 0000000000000000
[    9.907031][    C0]  ? kernel_clone (kernel/fork.c:2766)
[    9.907032][    C0]  ? kernel_clone (kernel/fork.c:2713)
[    9.907034][    C0]  ? kernel_clone (kernel/fork.c:2766)
[    9.907036][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[    9.907038][    C0]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[    9.907040][    C0]  ? write_profile (profile.c:?)
[    9.907041][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[    9.907044][    C0]  ? kernel_clone (kernel/fork.c:2766)
[    9.907045][    C0]  ? vm_area_dup (mm/vma_init.c:128 (discriminator 7))
[    9.907047][    C0]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    9.907048][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[    9.907050][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.907052][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[    9.907053][    C0]  set_track_prepare (mm/slub.c:1074)
[    9.907055][    C0]  ? vm_area_dup (mm/vma_init.c:128 (discriminator 7))
[    9.907056][    C0]  ? dup_mmap (mm/mmap.c:1763)
[    9.907057][    C0]  ? copy_process (kernel/fork.c:1543 kernel/fork.c:1595 kernel/fork.c:2307)
[    9.907059][    C0]  ? kernel_clone (kernel/fork.c:2766)
[    9.907061][    C0]  ___slab_alloc (mm/slub.c:1104 mm/slub.c:4601)
[    9.907062][    C0]  ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20))
[    9.907064][    C0]  kmem_cache_alloc_noprof (mm/slub.c:4987 mm/slub.c:5010)
[    9.907066][    C0]  ? __vma_start_write (mm/mmap_lock.c:163)
[    9.907067][    C0]  ? vm_area_dup (mm/vma_init.c:128 (discriminator 7))
[    9.907069][    C0]  vm_area_dup (mm/vma_init.c:128 (discriminator 7))
[    9.907071][    C0]  dup_mmap (mm/mmap.c:1763)
[    9.907074][    C0]  ? mmap_read_lock_maybe_expand (./include/linux/rwsem.h:221 (discriminator 1))
[    9.907076][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.907077][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.907079][    C0]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.907082][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.907083][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.907086][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.907087][    C0]  ? copy_process (kernel/fork.c:1542 kernel/fork.c:1595 kernel/fork.c:2307)
[    9.907089][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.907091][    C0]  copy_process (kernel/fork.c:1543 kernel/fork.c:1595 kernel/fork.c:2307)
[    9.907094][    C0]  ? pidfd_prepare (./include/linux/list.h:1037 (discriminator 3) ./include/linux/pid.h:98 (discriminator 3) kernel/fork.c:1936 (discriminator 3))
[    9.907095][    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)
[    9.907097][    C0]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[    9.907099][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.907101][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.907103][    C0]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.907104][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.907106][    C0]  kernel_clone (kernel/fork.c:2766)
[    9.907108][    C0]  ? create_io_thread (kernel/fork.c:2704)
[    9.907110][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.907112][    C0]  __do_sys_clone (kernel/fork.c:2908)
[    9.907114][    C0]  ? kernel_clone (./include/trace/events/sched.h:396 (discriminator 19))
[    9.907117][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.907119][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.907121][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.907123][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.907124][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.907126][    C0] RIP: 0033:0x7f61cd056126
[    9.907129][    C0] Code: 7d e0 e8 7d af f5 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5a 89 c3 85 c0 75 2f 64 48 8b 04 25 10 00 00
All code
========
   0:	7d e0                	jge    0xffffffffffffffe2
   2:	e8 7d af f5 ff       	call   0xfffffffffff5af84
   7:	45 31 c0             	xor    %r8d,%r8d
   a:	31 d2                	xor    %edx,%edx
   c:	31 f6                	xor    %esi,%esi
   e:	64 48 8b 04 25 10 00 	mov    %fs:0x10,%rax
  15:	00 00 
  17:	bf 11 00 20 01       	mov    $0x1200011,%edi
  1c:	4c 8d 90 d0 02 00 00 	lea    0x2d0(%rax),%r10
  23:	b8 38 00 00 00       	mov    $0x38,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 5a                	ja     0x8c
  32:	89 c3                	mov    %eax,%ebx
  34:	85 c0                	test   %eax,%eax
  36:	75 2f                	jne    0x67
  38:	64                   	fs
  39:	48                   	rex.W
  3a:	8b                   	.byte 0x8b
  3b:	04 25                	add    $0x25,%al
  3d:	10 00                	adc    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 5a                	ja     0x62
   8:	89 c3                	mov    %eax,%ebx
   a:	85 c0                	test   %eax,%eax
   c:	75 2f                	jne    0x3d
   e:	64                   	fs
   f:	48                   	rex.W
  10:	8b                   	.byte 0x8b
  11:	04 25                	add    $0x25,%al
  13:	10 00                	adc    %al,(%rax)
	...
[    9.907130][    C0] RSP: 002b:00007ffc394b0c20 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
[    9.907131][    C0] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f61cd056126
[    9.907132][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
[    9.907133][    C0] RBP: 00007ffc394b0c40 R08: 0000000000000000 R09: 00007ffc394b1000
[    9.907134][    C0] R10: 00007f61cc8b4490 R11: 0000000000000246 R12: 0000000000000003
[    9.907135][    C0] R13: 0000000000000080 R14: 00007ffc394b0eb0 R15: 0000000000000000
| [   10.759957][  T254] softirqs last disabled at (0): 0x0
| [   10.759958][  T254] Preemption disabled at:
| [   10.759959][  T254] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.759970][  T254] Tainted: [W]=WARN
[   10.759971][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.759973][  T254] Call Trace:
[   10.759975][  T254]  <TASK>
[   10.759976][  T254]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.759982][  T254]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.759984][  T254]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.759987][  T254]  ? __module_address (kernel/module/main.c:3915)
[   10.759991][  T254]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.759994][  T254]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   10.759996][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.759999][  T254]  __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))
[   10.760002][  T254]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.760005][  T254]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.760009][  T254]  ? 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)
[   10.760011][  T254]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.760013][  T254]  put_chars (drivers/char/virtio_console.c:1176)
[   10.760015][  T254]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   10.760016][  T254]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.760018][  T254]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   10.760020][  T254]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.760024][  T254]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.760025][  T254]  ? 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)
[   10.760026][  T254]  ? vsnprintf (lib/vsprintf.c:2900)
[   10.760030][  T254]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.760031][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760033][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.760035][  T254]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.760038][  T254]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.760040][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760041][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760043][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760045][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.760047][  T254]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   10.760048][  T254]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.760051][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.760053][  T254]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.760055][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.760057][  T254]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.760058][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760060][  T254]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   10.760061][  T254]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.760063][  T254]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   10.760065][  T254]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.760067][  T254]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.760069][  T254]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.760071][  T254]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.760073][  T254]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.760075][  T254]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.760077][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.760079][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760081][  T254]  _printk (kernel/printk/printk.c:2504)
[   10.760084][  T254]  ? snapshot_read.cold (user.c:?)
[   10.760086][  T254]  ? br_multicast_flood (??:?) bridge
[   10.760099][  T254]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.760102][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.760103][  T254]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.760105][  T254] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.760114][  T254] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.760122][  T254] new_nbp (net/bridge/br_if.c:449) bridge
[   10.760130][  T254] br_add_if (net/bridge/br_if.c:592) bridge
[   10.760136][  T254]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   10.760140][  T254]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.760142][  T254]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.760144][  T254]  ? __kernel_text_address (kernel/extable.c:79)
[   10.760146][  T254]  do_set_master (net/core/rtnetlink.c:3071)
[   10.760149][  T254]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.760151][  T254]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.760153][  T254]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.760154][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760155][  T254]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   10.760159][  T254]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.760162][  T254]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.760163][  T254]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.760165][  T254]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.760167][  T254]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   10.760168][  T254]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   10.760169][  T254]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.760170][  T254]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.760173][  T254]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.760174][  T254]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.760176][  T254]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.760178][  T254]  ? ___sys_sendmsg (net/socket.c:2767)
[   10.760179][  T254]  ? __sys_sendmsg (net/socket.c:2799)
[   10.760181][  T254]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.760183][  T254]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.760186][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760188][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.760189][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760191][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760193][  T254]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.760196][  T254]  ? __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)
[   10.760197][  T254]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.760199][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.760200][  T254]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.760201][  T254]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.760204][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.760206][  T254]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.760208][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760210][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.760211][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.760212][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760214][  T254]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   10.760216][  T254]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.760218][  T254]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.760219][  T254]  ? __kernel_text_address (kernel/extable.c:79)
[   10.760220][  T254]  ? write_profile (profile.c:?)
[   10.760221][  T254]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.760224][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760226][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760227][  T254]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.760231][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.760232][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760234][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.760235][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.760237][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.760238][  T254]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   10.760240][  T254]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   10.760242][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.760244][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.760245][  T254]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   10.760246][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.760248][  T254]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   10.760250][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760252][  T254]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   10.760254][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.760256][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.760258][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760259][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760261][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.760263][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.760265][  T254]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.760266][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760268][  T254]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   10.760270][  T254]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.760272][  T254]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.760273][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.760275][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   10.760276][  T254]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   10.760279][  T254]  ___sys_sendmsg (net/socket.c:2767)
[   10.760281][  T254]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.760286][  T254]  __sys_sendmsg (net/socket.c:2799)
[   10.760288][  T254]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.760290][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760292][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.760294][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.760296][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.760298][  T254] RIP: 0033:0x7f2cb303354e
[   10.760300][  T254] 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
[   10.760302][  T254] RSP: 002b:00007ffd72840c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.760306][  T254] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2cb303354e
[   10.760307][  T254] RDX: 0000000000000000 RSI: 00007ffd72840d30 RDI: 0000000000000005
[   10.760308][  T254] RBP: 00007ffd72840c90 R08: 0000000000000000 R09: 0000000000000000
[   10.760309][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fd9
[   10.760310][  T254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd728413f0
| [   21.470098][  T359] softirqs last disabled at (0): 0x0
| [   21.470100][  T359] Preemption disabled at:
| [   21.470101][  T359] 0x0
| [   21.470109][  T359] Tainted: [W]=WARN
[   21.470110][  T359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.470112][  T359] Call Trace:
[   21.470113][  T359]  <TASK>
[   21.470114][  T359]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.470120][  T359]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.470124][  T359]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.470128][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470132][  T359]  __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))
[   21.470135][  T359]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.470138][  T359]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.470142][  T359]  ? 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)
[   21.470143][  T359]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.470145][  T359]  put_chars (drivers/char/virtio_console.c:1176)
[   21.470147][  T359]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.470149][  T359]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   21.470152][  T359]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.470155][  T359]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.470157][  T359]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.470159][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470161][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.470163][  T359]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.470165][  T359]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.470167][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470168][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470170][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470172][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.470174][  T359]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   21.470175][  T359]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.470177][  T359]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.470180][  T359]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.470182][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.470183][  T359]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.470185][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470186][  T359]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.470188][  T359]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.470189][  T359]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   21.470191][  T359]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.470193][  T359]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.470195][  T359]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.470197][  T359]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.470199][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470200][  T359]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.470203][  T359]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   21.470205][  T359]  _printk (kernel/printk/printk.c:2504)
[   21.470208][  T359]  ? snapshot_read.cold (user.c:?)
[   21.470210][  T359]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   21.470214][  T359] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   21.470227][  T359] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   21.470235][  T359] br_device_event (net/bridge/br.c:111) bridge
[   21.470243][  T359]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   21.470247][  T359]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   21.470249][  T359]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   21.470252][  T359]  notifier_call_chain (kernel/notifier.c:85)
[   21.470255][  T359]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   21.470259][  T359]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.470260][  T359]  ? netif_change_name (net/core/dev.c:1517)
[   21.470263][  T359]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   21.470264][  T359]  ? __kernel_text_address (kernel/extable.c:79)
[   21.470267][  T359]  ? write_profile (profile.c:?)
[   21.470269][  T359]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.470272][  T359]  netif_change_flags (net/core/dev.c:9882)
[   21.470274][  T359]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   21.470277][  T359]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.470278][  T359]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.470279][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470281][  T359]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   21.470285][  T359]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.470288][  T359]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.470289][  T359]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.470291][  T359]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   21.470292][  T359]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   21.470294][  T359]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   21.470295][  T359]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.470296][  T359]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.470298][  T359]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.470300][  T359]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.470301][  T359]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.470304][  T359]  ? ___sys_sendmsg (net/socket.c:2767)
[   21.470305][  T359]  ? __sys_sendmsg (net/socket.c:2799)
[   21.470307][  T359]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.470308][  T359]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.470311][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470313][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.470316][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470318][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470320][  T359]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.470323][  T359]  ? __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)
[   21.470324][  T359]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.470326][  T359]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.470327][  T359]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.470329][  T359]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.470331][  T359]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.470333][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470335][  T359]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.470336][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.470337][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470339][  T359]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   21.470343][  T359]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   21.470344][  T359]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   21.470345][  T359]  ? __kernel_text_address (kernel/extable.c:79)
[   21.470347][  T359]  ? write_profile (profile.c:?)
[   21.470348][  T359]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.470349][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470351][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470352][  T359]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   21.470356][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.470357][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470359][  T359]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.470360][  T359]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.470362][  T359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.470363][  T359]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   21.470364][  T359]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   21.470367][  T359]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.470368][  T359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.470369][  T359]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.470371][  T359]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.470372][  T359]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   21.470375][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470376][  T359]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.470378][  T359]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.470380][  T359]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.470382][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470383][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470385][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.470386][  T359]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.470388][  T359]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.470390][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470392][  T359]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   21.470394][  T359]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.470395][  T359]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.470397][  T359]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.470398][  T359]  ? move_addr_to_kernel (net/socket.c:258)
[   21.470400][  T359]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   21.470402][  T359]  ___sys_sendmsg (net/socket.c:2767)
[   21.470404][  T359]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.470409][  T359]  __sys_sendmsg (net/socket.c:2799)
[   21.470410][  T359]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.470413][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.470415][  T359]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.470416][  T359]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.470418][  T359]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.470420][  T359] RIP: 0033:0x7ff2f334854e
[   21.470422][  T359] 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
[   21.470424][  T359] RSP: 002b:00007ffc957835a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.470427][  T359] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff2f334854e
[   21.470429][  T359] RDX: 0000000000000000 RSI: 00007ffc95783650 RDI: 0000000000000005
[   21.470429][  T359] RBP: 00007ffc957835b0 R08: 0000000000000000 R09: 0000000000000000
[   21.470430][  T359] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fe3


Finger prints:
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
netlink_release: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