======================================
| [   11.283796][  T226] softirqs last disabled at (25395): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.283798][  T226] Preemption disabled at:
| [   11.283799][  T226] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.283808][  T226] Tainted: [W]=WARN
[   11.283809][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.283811][  T226] Call Trace:
[   11.283812][  T226]  <TASK>
[   11.283814][  T226]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.283819][  T226]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.283822][  T226]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.283826][  T226]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.283830][  T226]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.283835][  T226]  __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))
[   11.283838][  T226]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.283844][  T226]  ? 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)
[   11.283846][  T226]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.283849][  T226]  put_chars (drivers/char/virtio_console.c:1176)
[   11.283852][  T226]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.283853][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.283859][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.283861][  T226]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.283865][  T226]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.283868][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.283873][  T226]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.283876][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.283880][  T226]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.283884][  T226]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.283886][  T226]  ? 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))
[   11.283889][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.283891][  T226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.283895][  T226]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.283899][  T226]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.283901][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.283906][  T226]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.283909][  T226]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.283911][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.283913][  T226]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.283917][  T226]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.283918][  T226]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.283922][  T226]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.283926][  T226]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.283931][  T226]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.283935][  T226]  _printk (kernel/printk/printk.c:2504)
[   11.283939][  T226]  ? snapshot_read.cold (user.c:?)
[   11.283945][  T226]  ? 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)
[   11.283948][  T226] 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
[   11.283951][  T226]  do_one_initcall (init/main.c:1357)
[   11.283954][  T226]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.283965][  T226]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.283968][  T226]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.283972][  T226]  do_init_module (kernel/module/main.c:3117)
[   11.283976][  T226]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.283980][  T226]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.283983][  T226]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.283987][  T226]  load_module (kernel/module/main.c:3593)
[   11.283994][  T226]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.283998][  T226]  ? __ia32_sys_fsconfig (??:?)
[   11.284000][  T226]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.284004][  T226]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.284007][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.284011][  T226]  init_module_from_file (kernel/module/main.c:3790)
[   11.284014][  T226]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.284022][  T226]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.284025][  T226]  ? 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)
[   11.284028][  T226]  idempotent_init_module (kernel/module/main.c:3802)
[   11.284031][  T226]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.284037][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.284040][  T226]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.284045][  T226]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.284047][  T226]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.284051][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.284053][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.284055][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.284058][  T226] RIP: 0033:0x7fb391a9e37d
[   11.284061][  T226] 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
[   11.284062][  T226] RSP: 002b:00007ffc3d7de708 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.284065][  T226] RAX: ffffffffffffffda RBX: 0000563eaf3fe810 RCX: 00007fb391a9e37d
[   11.284067][  T226] RDX: 0000000000000000 RSI: 0000563e77ac4ffd RDI: 0000000000000000
[   11.284067][  T226] RBP: 00007ffc3d7de7a0 R08: 0000000000000000 R09: 0000000000000000
[   11.284068][  T226] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563e77ac4ffd
[   11.284069][  T226] R13: 0000563eaf3fe960 R14: 0000000000040000 R15: 0000000000000000
| [   24.384288][  T293] softirqs last disabled at (18665): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.384291][  T293] Preemption disabled at:
| [   24.384292][  T293] 0x0
| [   24.384305][  T293] Tainted: [W]=WARN
[   24.384306][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.384309][  T293] Call Trace:
[   24.384311][  T293]  <TASK>
[   24.384313][  T293]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.384321][  T293]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.384327][  T293]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.384333][  T293]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.384340][  T293]  __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))
[   24.384344][  T293]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.384353][  T293]  ? 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)
[   24.384356][  T293]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.384361][  T293]  put_chars (drivers/char/virtio_console.c:1176)
[   24.384366][  T293]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.384368][  T293]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.384375][  T293]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.384384][  T293]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.384394][  T293]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.384398][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.384402][  T293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.384409][  T293]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.384415][  T293]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.384417][  T293]  ? 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))
[   24.384422][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.384426][  T293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.384433][  T293]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.384440][  T293]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.384442][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.384452][  T293]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.384456][  T293]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.384459][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.384462][  T293]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.384469][  T293]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.384471][  T293]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.384477][  T293]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.384483][  T293]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.384489][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.384495][  T293]  _printk (kernel/printk/printk.c:2504)
[   24.384500][  T293]  ? snapshot_read.cold (user.c:?)
[   24.384505][  T293]  ? 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)
[   24.384509][  T293]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.384516][  T293]  ? 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)
[   24.384520][  T293]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   24.384525][  T293]  ? exit_notify (kernel/exit.c:780)
[   24.384528][  T293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.384533][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.384540][  T293]  do_group_exit (kernel/exit.c:1151)
[   24.384545][  T293]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   24.384547][  T293]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   24.384551][  T293]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.384554][  T293]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.384559][  T293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.384563][  T293] RIP: 0033:0x7fa3018e21b8
[   24.384566][  T293] Code: Unable to access opcode bytes at 0x7fa3018e218e.

Code starting with the faulting instruction
===========================================
[   24.384568][  T293] RSP: 002b:00007ffdf78c01a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   24.384571][  T293] RAX: ffffffffffffffda RBX: 00007fa301a12f88 RCX: 00007fa3018e21b8
[   24.384573][  T293] RDX: 00007fa30162d588 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   24.384574][  T293] RBP: 00007ffdf78c0200 R08: 0000000000000000 R09: 0000000000000000
[   24.384576][  T293] R10: 00007ffdf78bffa0 R11: 0000000000000246 R12: 0000000000000001
[   24.384577][  T293] R13: 0000000000000000 R14: 00007fa301a11680 R15: 00007fa301a12fa0
| [   27.496340][    C0] softirqs last disabled at (599609): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.496343][    C0] Preemption disabled at:
| [   27.496344][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   27.496357][    C0] Tainted: [W]=WARN
[   27.496358][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.496361][    C0] Call Trace:
[   27.496363][    C0]  <IRQ>
[   27.496365][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.496372][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   27.496374][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.496379][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.496383][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.496387][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496391][    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))
[   27.496395][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.496399][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.496404][    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)
[   27.496406][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.496409][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   27.496411][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.496414][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.496419][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.496424][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.496426][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496429][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.496432][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.496435][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.496438][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496440][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496443][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.496446][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.496448][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.496452][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.496456][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.496458][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.496460][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.496462][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496465][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.496467][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.496470][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.496473][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.496475][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.496479][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.496481][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496484][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.496486][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   27.496492][    C0]  _printk (kernel/printk/printk.c:2504)
[   27.496496][    C0]  ? snapshot_read.cold (user.c:?)
[   27.496498][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.496503][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.496507][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.496509][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.496513][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.496517][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.496520][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.496523][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.496526][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.496529][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.496548][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496550][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.496553][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.496564][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.496567][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.496578][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.496589][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.496600][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.496605][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.496607][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.496612][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.496615][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.496617][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496621][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.496623][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.496635][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.496638][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.496642][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.496646][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.496649][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.496651][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.496655][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496657][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.496660][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.496663][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.496666][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.496668][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.496670][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.496674][    C0]  </IRQ>
[   27.496675][    C0]  <TASK>
[   27.496676][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.496679][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.496682][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.496686][    C0] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.496689][    C0] RSP: 0018:ffffffff8a407cf8 EFLAGS: 00000296
[   27.496693][    C0] RAX: 0000000000092637 RBX: ffffffff8a41c600 RCX: ffffffff874f0307
[   27.496695][    C0] RDX: ffffffff8a41c600 RSI: ffffffff8a238b1c RDI: ffffffff89c8d8e0
[   27.496696][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.496697][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1480fa2
[   27.496699][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.496701][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.496706][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.496708][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.496711][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.496713][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.496716][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.496718][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.496721][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.496723][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.496726][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.496728][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.496730][    C0]  rest_init (init/main.c:727)
[   27.496733][    C0]  ? __cpuidle_text_end (??:?)
[   27.496737][    C0]  ? rest_init (init/main.c:727)
[   27.496740][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.496745][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.496748][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.496752][    C0]  start_kernel (init/main.c:1185)
[   27.496755][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.496758][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.496761][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.588587][    C0]
| [   27.588697][    C0]
| [   27.588697][    C0] stack backtrace:
| [   27.589073][    C0] Tainted: [W]=WARN
[   27.589075][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.589076][    C0] Call Trace:
[   27.589078][    C0]  <IRQ>
[   27.589080][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.589085][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.589090][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.589094][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.589097][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.589100][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.589103][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.589106][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.589121][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.589125][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.589128][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.589139][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.589141][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.589152][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.589164][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.589175][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.589178][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.589181][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.589185][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.589188][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.589190][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.589194][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.589196][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.589208][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.589211][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.589215][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.589219][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.589222][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.589225][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.589228][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.589230][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.589234][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.589236][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.589239][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.589242][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.589244][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.589247][    C0]  </IRQ>
[   27.589248][    C0]  <TASK>
[   27.589248][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.589251][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.589254][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.589257][    C0] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.589260][    C0] RSP: 0018:ffffffff8a407cf8 EFLAGS: 00000296
[   27.589263][    C0] RAX: 0000000000092637 RBX: ffffffff8a41c600 RCX: ffffffff874f0307
[   27.589265][    C0] RDX: ffffffff8a41c600 RSI: ffffffff8a238b1c RDI: ffffffff89c8d8e0
[   27.589266][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.589268][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1480fa2
[   27.589269][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.589272][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.589276][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.589278][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.589280][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.589283][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.589285][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.589288][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.589291][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.589293][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.589296][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.589298][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.589301][    C0]  rest_init (init/main.c:727)
[   27.589303][    C0]  ? __cpuidle_text_end (??:?)
[   27.589308][    C0]  ? rest_init (init/main.c:727)
[   27.589310][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.589315][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.589319][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.589322][    C0]  start_kernel (init/main.c:1185)
[   27.589325][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.589328][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.589330][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   39.100105][  T351] softirqs last disabled at (0): 0x0
| [   39.100107][  T351] Preemption disabled at:
| [   39.100108][  T351] 0x0
| [   39.100116][  T351] Tainted: [W]=WARN
[   39.100117][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.100119][  T351] Call Trace:
[   39.100120][  T351]  <TASK>
[   39.100122][  T351]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.100127][  T351]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.100131][  T351]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.100135][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100139][  T351]  __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))
[   39.100142][  T351]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.100144][  T351]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.100148][  T351]  ? 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)
[   39.100150][  T351]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.100152][  T351]  put_chars (drivers/char/virtio_console.c:1176)
[   39.100154][  T351]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.100155][  T351]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   39.100159][  T351]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.100162][  T351]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.100164][  T351]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.100166][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100168][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.100170][  T351]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.100175][  T351]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.100177][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100179][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100180][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100182][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.100184][  T351]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   39.100186][  T351]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.100188][  T351]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.100191][  T351]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.100193][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.100194][  T351]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.100196][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100197][  T351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.100199][  T351]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.100200][  T351]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   39.100202][  T351]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.100205][  T351]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.100207][  T351]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.100209][  T351]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.100211][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100213][  T351]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.100215][  T351]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   39.100217][  T351]  _printk (kernel/printk/printk.c:2504)
[   39.100220][  T351]  ? snapshot_read.cold (user.c:?)
[   39.100222][  T351]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   39.100227][  T351] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   39.100240][  T351] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   39.100249][  T351] br_device_event (net/bridge/br.c:111) bridge
[   39.100257][  T351]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   39.100261][  T351]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   39.100263][  T351]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   39.100266][  T351]  notifier_call_chain (kernel/notifier.c:85)
[   39.100269][  T351]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   39.100273][  T351]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.100275][  T351]  ? netif_change_name (net/core/dev.c:1517)
[   39.100277][  T351]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   39.100279][  T351]  ? __kernel_text_address (kernel/extable.c:79)
[   39.100281][  T351]  ? write_profile (profile.c:?)
[   39.100283][  T351]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.100286][  T351]  netif_change_flags (net/core/dev.c:9882)
[   39.100288][  T351]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   39.100291][  T351]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.100293][  T351]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.100294][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100296][  T351]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.100299][  T351]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.100302][  T351]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.100303][  T351]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.100305][  T351]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.100307][  T351]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   39.100308][  T351]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   39.100309][  T351]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.100310][  T351]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.100313][  T351]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.100314][  T351]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.100316][  T351]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.100318][  T351]  ? ___sys_sendmsg (net/socket.c:2767)
[   39.100319][  T351]  ? __sys_sendmsg (net/socket.c:2799)
[   39.100321][  T351]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.100323][  T351]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.100326][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100327][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.100329][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100330][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100332][  T351]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.100335][  T351]  ? __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)
[   39.100337][  T351]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.100338][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.100340][  T351]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.100342][  T351]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.100344][  T351]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.100346][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100348][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.100349][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.100351][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100353][  T351]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   39.100356][  T351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.100358][  T351]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.100359][  T351]  ? __kernel_text_address (kernel/extable.c:79)
[   39.100360][  T351]  ? write_profile (profile.c:?)
[   39.100361][  T351]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.100363][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100364][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100366][  T351]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   39.100369][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.100371][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100373][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.100374][  T351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.100376][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.100377][  T351]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.100379][  T351]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.100381][  T351]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.100383][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.100384][  T351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.100385][  T351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.100387][  T351]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   39.100389][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100391][  T351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.100393][  T351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.100395][  T351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.100397][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100398][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100400][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.100402][  T351]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.100404][  T351]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.100406][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100407][  T351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.100409][  T351]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.100411][  T351]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.100413][  T351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.100414][  T351]  ? move_addr_to_kernel (net/socket.c:258)
[   39.100416][  T351]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.100418][  T351]  ___sys_sendmsg (net/socket.c:2767)
[   39.100420][  T351]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.100425][  T351]  __sys_sendmsg (net/socket.c:2799)
[   39.100427][  T351]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.100430][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.100432][  T351]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.100433][  T351]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.100435][  T351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.100436][  T351] RIP: 0033:0x7f440d8f854e
[   39.100438][  T351] 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
[   39.100440][  T351] RSP: 002b:00007ffd6eb2adf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.100444][  T351] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f440d8f854e
[   39.100446][  T351] RDX: 0000000000000000 RSI: 00007ffd6eb2aea0 RDI: 0000000000000005
[   39.100447][  T351] RBP: 00007ffd6eb2ae00 R08: 0000000000000000 R09: 0000000000000000
[   39.100448][  T351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e561


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