======================================
| [   11.436687][  T232] softirqs last disabled at (26569): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.436690][  T232] Preemption disabled at:
| [   11.436691][  T232] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.436702][  T232] Tainted: [W]=WARN
[   11.436703][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.436705][  T232] Call Trace:
[   11.436707][  T232]  <TASK>
[   11.436709][  T232]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.436716][  T232]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.436719][  T232]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.436725][  T232]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.436730][  T232]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.436737][  T232]  __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))
[   11.436740][  T232]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.436748][  T232]  ? 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)
[   11.436751][  T232]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.436756][  T232]  put_chars (drivers/char/virtio_console.c:1176)
[   11.436760][  T232]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.436762][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.436768][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.436771][  T232]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.436778][  T232]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.436781][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.436789][  T232]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.436793][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.436800][  T232]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.436806][  T232]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.436808][  T232]  ? 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))
[   11.436812][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.436816][  T232]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.436821][  T232]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.436827][  T232]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.436830][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.436838][  T232]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.436842][  T232]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.436844][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.436847][  T232]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.436854][  T232]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.436857][  T232]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.436863][  T232]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.436868][  T232]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.436877][  T232]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.436883][  T232]  _printk (kernel/printk/printk.c:2504)
[   11.436887][  T232]  ? snapshot_read.cold (user.c:?)
[   11.436897][  T232]  ? 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)
[   11.436902][  T232] 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
[   11.436906][  T232]  do_one_initcall (init/main.c:1357)
[   11.436910][  T232]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.436916][  T232]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.436920][  T232]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.436927][  T232]  do_init_module (kernel/module/main.c:3117)
[   11.436932][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.436937][  T232]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.436941][  T232]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.436947][  T232]  load_module (kernel/module/main.c:3593)
[   11.436960][  T232]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.436966][  T232]  ? __ia32_sys_fsconfig (??:?)
[   11.436969][  T232]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.436974][  T232]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.436978][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.436984][  T232]  init_module_from_file (kernel/module/main.c:3790)
[   11.436988][  T232]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.437000][  T232]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.437006][  T232]  ? 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)
[   11.437010][  T232]  idempotent_init_module (kernel/module/main.c:3802)
[   11.437015][  T232]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.437024][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.437028][  T232]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.437036][  T232]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.437039][  T232]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.437044][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.437046][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.437050][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.437053][  T232] RIP: 0033:0x7f8f66ae137d
[   11.437057][  T232] 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
[   11.437059][  T232] RSP: 002b:00007ffde05c0708 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.437063][  T232] RAX: ffffffffffffffda RBX: 00005633552ff810 RCX: 00007f8f66ae137d
[   11.437064][  T232] RDX: 0000000000000000 RSI: 0000563336595ffd RDI: 0000000000000000
[   11.437066][  T232] RBP: 00007ffde05c07a0 R08: 0000000000000000 R09: 0000000000000000
[   11.437067][  T232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563336595ffd
[   11.437068][  T232] R13: 00005633552ff960 R14: 0000000000040000 R15: 0000000000000000
| [   12.953532][  T282] softirqs last disabled at (22431): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.953534][  T282] Preemption disabled at:
| [   12.953535][  T282] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.953544][  T282] Tainted: [W]=WARN
[   12.953545][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.953547][  T282] Call Trace:
[   12.953548][  T282]  <TASK>
[   12.953550][  T282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.953555][  T282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.953557][  T282]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.953562][  T282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.953566][  T282]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.953571][  T282]  __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))
[   12.953574][  T282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.953579][  T282]  ? 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)
[   12.953582][  T282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.953585][  T282]  put_chars (drivers/char/virtio_console.c:1176)
[   12.953587][  T282]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.953589][  T282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.953592][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.953595][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.953599][  T282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.953602][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.953604][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.953608][  T282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.953609][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.953612][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.953615][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.953619][  T282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.953623][  T282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.953625][  T282]  ? 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))
[   12.953628][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.953630][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.953634][  T282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.953638][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.953640][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.953645][  T282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.953647][  T282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.953649][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.953651][  T282]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.953655][  T282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.953657][  T282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.953660][  T282]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.953664][  T282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.953669][  T282]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   12.953673][  T282]  _printk (kernel/printk/printk.c:2504)
[   12.953676][  T282]  ? snapshot_read.cold (user.c:?)
[   12.953682][  T282]  ? 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)
[   12.953685][  T282] gre_init (gre.mod.c:?) gre
[   12.953687][  T282]  do_one_initcall (init/main.c:1357)
[   12.953690][  T282]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.953694][  T282]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.953698][  T282]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.953702][  T282]  do_init_module (kernel/module/main.c:3117)
[   12.953706][  T282]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.953710][  T282]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.953714][  T282]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.953718][  T282]  load_module (kernel/module/main.c:3593)
[   12.953725][  T282]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.953730][  T282]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.953733][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.953737][  T282]  init_module_from_file (kernel/module/main.c:3790)
[   12.953740][  T282]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.953752][  T282]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.953757][  T282]  ? 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)
[   12.953760][  T282]  idempotent_init_module (kernel/module/main.c:3802)
[   12.953764][  T282]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.953770][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.953772][  T282]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.953778][  T282]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.953780][  T282]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.953784][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.953786][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.953789][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.953791][  T282] RIP: 0033:0x7f1eac71d37d
[   12.953795][  T282] 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
[   12.953797][  T282] RSP: 002b:00007ffe4c2a1008 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.953799][  T282] RAX: ffffffffffffffda RBX: 0000563d2a903a40 RCX: 00007f1eac71d37d
[   12.953801][  T282] RDX: 0000000000000000 RSI: 0000563d029c8ffd RDI: 0000000000000001
[   12.953802][  T282] RBP: 00007ffe4c2a10a0 R08: 0000000000000000 R09: 0000000000000000
[   12.953803][  T282] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563d029c8ffd
[   12.953803][  T282] R13: 0000563d2a903a00 R14: 0000000000040000 R15: 0000000000000000
| [   14.181863][  T321] softirqs last disabled at (21795): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.181866][  T321] Preemption disabled at:
| [   14.181866][  T321] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.181878][  T321] Tainted: [W]=WARN
[   14.181879][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.181881][  T321] Call Trace:
[   14.181883][  T321]  <TASK>
[   14.181885][  T321]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.181891][  T321]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.181894][  T321]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.181900][  T321]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.181905][  T321]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.181912][  T321]  __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))
[   14.181915][  T321]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.181922][  T321]  ? 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)
[   14.181926][  T321]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.181930][  T321]  put_chars (drivers/char/virtio_console.c:1176)
[   14.181933][  T321]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   14.181935][  T321]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.181940][  T321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.181944][  T321]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.181950][  T321]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.181955][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.181957][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.181964][  T321]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.181966][  T321]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.181971][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.181975][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.181981][  T321]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.181986][  T321]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.181988][  T321]  ? 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))
[   14.181993][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.181996][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.182002][  T321]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.182008][  T321]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.182010][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.182018][  T321]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.182022][  T321]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.182024][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.182027][  T321]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.182033][  T321]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.182035][  T321]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.182039][  T321]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.182045][  T321]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.182054][  T321]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   14.182058][  T321]  _printk (kernel/printk/printk.c:2504)
[   14.182062][  T321]  ? snapshot_read.cold (user.c:?)
[   14.182072][  T321]  ? 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)
[   14.182076][  T321] gact_init_module (net/sched/act_gact.c:180) act_gact
[   14.182080][  T321]  do_one_initcall (init/main.c:1357)
[   14.182083][  T321]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   14.182090][  T321]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   14.182094][  T321]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   14.182101][  T321]  do_init_module (kernel/module/main.c:3117)
[   14.182106][  T321]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.182111][  T321]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   14.182115][  T321]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   14.182122][  T321]  load_module (kernel/module/main.c:3593)
[   14.182132][  T321]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   14.182138][  T321]  ? __ia32_sys_fsconfig (??:?)
[   14.182141][  T321]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   14.182146][  T321]  ? backing_file_read_iter (fs/backing-file.c:211)
[   14.182150][  T321]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.182156][  T321]  init_module_from_file (kernel/module/main.c:3790)
[   14.182160][  T321]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   14.182173][  T321]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.182178][  T321]  ? 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)
[   14.182182][  T321]  idempotent_init_module (kernel/module/main.c:3802)
[   14.182187][  T321]  ? init_module_from_file (kernel/module/main.c:3791)
[   14.182197][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.182200][  T321]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   14.182208][  T321]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   14.182211][  T321]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.182216][  T321]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.182218][  T321]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.182222][  T321]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.182225][  T321] RIP: 0033:0x7f4df76b737d
[   14.182229][  T321] 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
[   14.182231][  T321] RSP: 002b:00007ffdf5b8de68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   14.182235][  T321] RAX: ffffffffffffffda RBX: 000055a4606da810 RCX: 00007f4df76b737d
[   14.182237][  T321] RDX: 0000000000000000 RSI: 000055a436813ffd RDI: 0000000000000000
[   14.182238][  T321] RBP: 00007ffdf5b8df00 R08: 0000000000000000 R09: 0000000000000000
[   14.182239][  T321] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a436813ffd
[   14.182240][  T321] R13: 000055a4606da960 R14: 0000000000040000 R15: 0000000000000000
| [   19.852391][  T354] softirqs last disabled at (24991): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.852393][  T354] Preemption disabled at:
| [   19.852394][  T354] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.852402][  T354] Tainted: [W]=WARN
[   19.852403][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.852404][  T354] Call Trace:
[   19.852406][  T354]  <TASK>
[   19.852407][  T354]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.852413][  T354]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.852422][  T354]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.852426][  T354]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.852431][  T354]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.852435][  T354]  __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))
[   19.852438][  T354]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.852443][  T354]  ? 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)
[   19.852446][  T354]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.852449][  T354]  put_chars (drivers/char/virtio_console.c:1176)
[   19.852452][  T354]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.852453][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.852458][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.852460][  T354]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.852465][  T354]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.852467][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.852472][  T354]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.852475][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.852480][  T354]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.852484][  T354]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.852485][  T354]  ? 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))
[   19.852488][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.852491][  T354]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.852495][  T354]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.852499][  T354]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.852500][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.852505][  T354]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.852508][  T354]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.852510][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.852512][  T354]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.852516][  T354]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.852518][  T354]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.852521][  T354]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.852525][  T354]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.852528][  T354]  ? netdev_run_todo (net/core/dev.c:11776)
[   19.852532][  T354]  ? mirred_device_event (net/sched/act_mirred.c:559 (discriminator 1)) act_mirred
[   19.852535][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.852539][  T354]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   19.852542][  T354]  _printk (kernel/printk/printk.c:2504)
[   19.852546][  T354]  ? snapshot_read.cold (user.c:?)
[   19.852548][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.852550][  T354]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   19.852552][  T354]  ? __up_write (kernel/locking/rwsem.c:1415)
[   19.852554][  T354]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[   19.852557][  T354]  ? __up_write (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:3390 kernel/locking/rwsem.c:1417)
[   19.852560][  T354] mirred_init_module (net/sched/act_mirred.c:508) act_mirred
[   19.852563][  T354]  do_one_initcall (init/main.c:1357)
[   19.852566][  T354]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   19.852570][  T354]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   19.852573][  T354]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   19.852578][  T354]  do_init_module (kernel/module/main.c:3117)
[   19.852582][  T354]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.852586][  T354]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   19.852589][  T354]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   19.852593][  T354]  load_module (kernel/module/main.c:3593)
[   19.852600][  T354]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   19.852604][  T354]  ? __ia32_sys_fsconfig (??:?)
[   19.852607][  T354]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   19.852611][  T354]  ? backing_file_read_iter (fs/backing-file.c:211)
[   19.852614][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.852618][  T354]  init_module_from_file (kernel/module/main.c:3790)
[   19.852621][  T354]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   19.852629][  T354]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.852632][  T354]  ? 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)
[   19.852635][  T354]  idempotent_init_module (kernel/module/main.c:3802)
[   19.852639][  T354]  ? init_module_from_file (kernel/module/main.c:3791)
[   19.852645][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.852647][  T354]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.852653][  T354]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   19.852655][  T354]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.852659][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.852661][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.852664][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.852666][  T354] RIP: 0033:0x7f1824a6f37d
[   19.852669][  T354] 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
[   19.852671][  T354] RSP: 002b:00007fff8faaa3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   19.852674][  T354] RAX: ffffffffffffffda RBX: 0000557d3b280810 RCX: 00007f1824a6f37d
[   19.852675][  T354] RDX: 0000000000000000 RSI: 0000557d1689affd RDI: 0000000000000000
[   19.852676][  T354] RBP: 00007fff8faaa460 R08: 0000000000000000 R09: 0000000000000000
[   19.852677][  T354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557d1689affd
[   19.852678][  T354] R13: 0000557d3b280960 R14: 0000000000040000 R15: 0000000000000000
| [   29.064099][    C0] softirqs last disabled at (799961): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.064101][    C0] Preemption disabled at:
| [   29.064102][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   29.064112][    C0] Tainted: [W]=WARN
[   29.064113][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.064115][    C0] Call Trace:
[   29.064117][    C0]  <IRQ>
[   29.064118][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.064124][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   29.064125][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.064129][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.064132][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   29.064135][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.064139][    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))
[   29.064142][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.064145][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.064149][    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)
[   29.064150][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.064153][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   29.064155][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.064156][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.064160][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.064163][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.064165][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.064166][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.064168][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.064171][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.064173][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.064175][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.064176][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.064178][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.064180][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.064182][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.064185][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.064187][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.064188][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.064190][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.064192][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.064193][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.064195][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.064197][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.064199][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.064202][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.064203][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.064205][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.064207][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   29.064212][    C0]  _printk (kernel/printk/printk.c:2504)
[   29.064215][    C0]  ? snapshot_read.cold (user.c:?)
[   29.064216][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   29.064221][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.064223][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   29.064224][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   29.064227][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.064230][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.064232][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.064233][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.064236][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.064237][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.064250][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.064252][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.064254][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.064260][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.064262][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.064268][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.064275][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.064281][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   29.064284][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.064286][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.064290][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.064292][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.064294][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.064296][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.064298][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.064305][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.064307][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.064310][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.064312][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.064314][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.064316][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.064318][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.064320][    C0]  handle_softirqs (kernel/softirq.c:645)
[   29.064322][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.064324][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.064326][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.064327][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   29.064329][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.064332][    C0]  </IRQ>
[   29.064332][    C0]  <TASK>
[   29.064333][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.064335][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.064337][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.064340][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  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
[   29.064341][    C0] RSP: 0018:ffffffffa5007cf8 EFLAGS: 00000296
[   29.064345][    C0] RAX: 00000000000c34d7 RBX: ffffffffa501c600 RCX: ffffffffa20f0307
[   29.064346][    C0] RDX: ffffffffa501c600 RSI: ffffffffa4e38b01 RDI: ffffffffa488d8e0
[   29.064347][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.064348][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4a00fa2
[   29.064349][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   29.064351][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.064354][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.064355][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.064357][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   29.064359][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.064360][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   29.064362][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.064364][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.064366][    C0]  do_idle (kernel/sched/idle.c:355)
[   29.064368][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.064369][    C0]  rest_init (init/main.c:727)
[   29.064371][    C0]  ? __cpuidle_text_end (??:?)
[   29.064374][    C0]  ? rest_init (init/main.c:727)
[   29.064376][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   29.064380][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   29.064383][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   29.064385][    C0]  start_kernel (init/main.c:1185)
[   29.064387][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   29.064389][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   29.064391][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.134001][    C0]
| [   29.134081][    C0]
| [   29.134081][    C0] stack backtrace:
| [   29.134276][    C0] Tainted: [W]=WARN
[   29.134277][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.134278][    C0] Call Trace:
[   29.134279][    C0]  <IRQ>
[   29.134280][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.134283][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   29.134286][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.134289][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.134291][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.134292][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.134295][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.134296][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.134304][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.134306][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.134308][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.134314][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.134316][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.134322][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.134329][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.134337][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   29.134339][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.134341][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.134343][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.134345][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.134347][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.134350][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.134351][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.134360][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.134362][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.134364][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.134367][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.134369][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.134371][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.134373][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.134375][    C0]  handle_softirqs (kernel/softirq.c:645)
[   29.134377][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.134378][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.134380][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.134382][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   29.134383][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.134385][    C0]  </IRQ>
[   29.134386][    C0]  <TASK>
[   29.134386][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.134388][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.134389][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.134392][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 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 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  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 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  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
[   29.134393][    C0] RSP: 0018:ffffffffa5007cf8 EFLAGS: 00000296
[   29.134395][    C0] RAX: 00000000000c34d7 RBX: ffffffffa501c600 RCX: ffffffffa20f0307
[   29.134396][    C0] RDX: ffffffffa501c600 RSI: ffffffffa4e38b01 RDI: ffffffffa488d8e0
[   29.134397][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.134398][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4a00fa2
[   29.134399][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   29.134400][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.134402][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.134404][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.134406][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   29.134407][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.134409][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   29.134411][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.134413][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.134415][    C0]  do_idle (kernel/sched/idle.c:355)
[   29.134417][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.134418][    C0]  rest_init (init/main.c:727)
[   29.134420][    C0]  ? __cpuidle_text_end (??:?)
[   29.134423][    C0]  ? rest_init (init/main.c:727)
[   29.134425][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   29.134428][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   29.134430][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   29.134433][    C0]  start_kernel (init/main.c:1185)
[   29.134434][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   29.134436][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   29.134438][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   33.774372][   T71] softirqs last disabled at (76705): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   33.774374][   T71] Preemption disabled at:
| [   33.774375][   T71] 0x0
| [   33.774387][   T71] Tainted: [W]=WARN
[   33.774388][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.774390][   T71] Workqueue: events_unbound linkwatch_event
[   33.774396][   T71] Call Trace:
[   33.774398][   T71]  <TASK>
[   33.774400][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.774406][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.774410][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.774414][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.774419][   T71]  __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))
[   33.774423][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.774426][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.774431][   T71]  ? 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)
[   33.774433][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.774435][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   33.774438][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.774440][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   33.774443][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   33.774446][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.774450][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.774453][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.774455][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.774457][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.774459][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.774462][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.774465][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.774467][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.774470][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.774472][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.774474][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.774476][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   33.774479][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.774482][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.774485][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.774487][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.774495][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.774497][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.774500][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.774502][   T71]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.774503][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   33.774506][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.774508][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.774511][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.774515][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.774518][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.774520][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.774524][   T71]  _printk (kernel/printk/printk.c:2504)
[   33.774528][   T71]  ? snapshot_read.cold (user.c:?)
[   33.774530][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.774533][   T71]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   33.774538][   T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   33.774554][   T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   33.774566][   T71] br_port_carrier_check (net/bridge/br_if.c:95) bridge
[   33.774579][   T71] br_device_event (net/bridge/br.c:101) bridge
[   33.774591][   T71]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   33.774593][   T71]  ? addrconf_notify (net/ipv6/addrconf.c:3749)
[   33.774598][   T71]  notifier_call_chain (kernel/notifier.c:85)
[   33.774602][   T71]  netif_state_change (net/core/dev.c:1625)
[   33.774605][   T71]  ? dev_deactivate (net/sched/sch_generic.c:1429)
[   33.774608][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   33.774611][   T71]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   33.774613][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   33.774615][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   33.774618][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.774620][   T71]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   33.774625][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   33.774627][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   33.774630][   T71]  process_one_work (kernel/workqueue.c:3387)
[   33.774635][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   33.774637][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.774640][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.774643][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.774646][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.774648][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   33.774651][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.774653][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.774655][   T71]  kthread (kernel/kthread.c:436)
[   33.774657][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.774659][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.774661][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.774665][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   33.774667][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.774670][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.774673][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   39.050648][   T61] softirqs last disabled at (5369): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   39.050650][   T61] Preemption disabled at:
| [   39.050651][   T61] 0x0
| [   39.050661][   T61] Tainted: [W]=WARN
[   39.050662][   T61] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.050664][   T61] Workqueue: events_unbound linkwatch_event
[   39.050670][   T61] Call Trace:
[   39.050671][   T61]  <TASK>
[   39.050673][   T61]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.050678][   T61]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.050682][   T61]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.050685][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.050689][   T61]  __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))
[   39.050692][   T61]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.050695][   T61]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.050699][   T61]  ? 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)
[   39.050700][   T61]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.050702][   T61]  put_chars (drivers/char/virtio_console.c:1176)
[   39.050704][   T61]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.050706][   T61]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   39.050709][   T61]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.050713][   T61]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.050715][   T61]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.050716][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.050718][   T61]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.050720][   T61]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.050723][   T61]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.050725][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.050726][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.050728][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.050730][   T61]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.050732][   T61]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   39.050734][   T61]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.050736][   T61]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.050738][   T61]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.050740][   T61]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.050742][   T61]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.050743][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.050745][   T61]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.050747][   T61]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.050749][   T61]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   39.050752][   T61]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.050754][   T61]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.050757][   T61]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.050760][   T61]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.050763][   T61]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[   39.050765][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.050766][   T61]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.050768][   T61]  _printk (kernel/printk/printk.c:2504)
[   39.050771][   T61]  ? snapshot_read.cold (user.c:?)
[   39.050773][   T61]  ? netif_get_link_ksettings (net/ethtool/ioctl.c:450)
[   39.050776][   T61]  ? port_cost (net/bridge/br_if.c:40) bridge
[   39.050788][   T61]  ? br_multicast_flood (??:?) bridge
[   39.050796][   T61] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   39.050804][   T61] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   39.050811][   T61] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   39.050818][   T61] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   39.050824][   T61] br_device_event (net/bridge/br.c:101) bridge
[   39.050832][   T61]  ? fib6_ifdown (net/ipv6/route.c:4976)
[   39.050835][   T61]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   39.050838][   T61]  ? addrconf_notify (net/ipv6/addrconf.c:3764)
[   39.050841][   T61]  notifier_call_chain (kernel/notifier.c:85)
[   39.050844][   T61]  netif_state_change (net/core/dev.c:1625)
[   39.050847][   T61]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   39.050850][   T61]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   39.050851][   T61]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   39.050853][   T61]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.050855][   T61]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   39.050859][   T61]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   39.050860][   T61]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   39.050862][   T61]  process_one_work (kernel/workqueue.c:3387)
[   39.050866][   T61]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   39.050868][   T61]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.050870][   T61]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.050872][   T61]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   39.050874][   T61]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   39.050876][   T61]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   39.050878][   T61]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   39.050879][   T61]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   39.050881][   T61]  kthread (kernel/kthread.c:436)
[   39.050882][   T61]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.050885][   T61]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   39.050887][   T61]  ret_from_fork (arch/x86/kernel/process.c:158)
[   39.050890][   T61]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   39.050891][   T61]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   39.050894][   T61]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   39.050896][   T61]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.978661][   T71] softirqs last disabled at (76705): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   52.978664][   T71] Preemption disabled at:
| [   52.978665][   T71] 0x0
| [   52.978676][   T71] Tainted: [W]=WARN
[   52.978677][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.978680][   T71] Workqueue: events_unbound linkwatch_event
[   52.978686][   T71] Call Trace:
[   52.978688][   T71]  <TASK>
[   52.978690][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.978696][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.978700][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.978704][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.978709][   T71]  __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))
[   52.978713][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.978716][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.978720][   T71]  ? 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)
[   52.978722][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.978725][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   52.978727][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.978729][   T71]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   52.978733][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   52.978736][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.978740][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.978742][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.978744][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.978746][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.978748][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.978751][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.978755][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.978757][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.978759][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.978761][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.978764][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.978766][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   52.978768][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.978771][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.978775][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.978777][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.978779][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.978781][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.978783][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   52.978785][   T71]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.978787][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   52.978789][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.978792][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.978794][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.978798][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.978801][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.978803][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.978807][   T71]  _printk (kernel/printk/printk.c:2504)
[   52.978811][   T71]  ? snapshot_read.cold (user.c:?)
[   52.978813][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.978816][   T71]  ? fib6_del (net/ipv6/ip6_fib.c:2069)
[   52.978821][   T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   52.978838][   T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   52.978850][   T71] br_port_carrier_check (net/bridge/br_if.c:95) bridge
[   52.978862][   T71] br_device_event (net/bridge/br.c:101) bridge
[   52.978874][   T71]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   52.978877][   T71]  ? addrconf_notify (net/ipv6/addrconf.c:3749)
[   52.978882][   T71]  notifier_call_chain (kernel/notifier.c:85)
[   52.978885][   T71]  netif_state_change (net/core/dev.c:1625)
[   52.978889][   T71]  ? dev_deactivate (net/sched/sch_generic.c:1429)
[   52.978892][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   52.978895][   T71]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   52.978897][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   52.978899][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   52.978901][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.978903][   T71]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   52.978908][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   52.978910][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   52.978913][   T71]  process_one_work (kernel/workqueue.c:3387)
[   52.978917][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   52.978920][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.978923][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   52.978926][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   52.978929][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   52.978931][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   52.978934][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   52.978936][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   52.978938][   T71]  kthread (kernel/kthread.c:436)
[   52.978940][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.978942][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   52.978944][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   52.978948][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   52.978954][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   52.978957][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   52.978960][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.226734][   T61] softirqs last disabled at (5369): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   58.226737][   T61] Preemption disabled at:
| [   58.226737][   T61] 0x0
| [   58.226748][   T61] Tainted: [W]=WARN
[   58.226750][   T61] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.226752][   T61] Workqueue: events_unbound linkwatch_event
[   58.226759][   T61] Call Trace:
[   58.226761][   T61]  <TASK>
[   58.226762][   T61]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.226768][   T61]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.226772][   T61]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.226775][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.226779][   T61]  __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))
[   58.226783][   T61]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   58.226785][   T61]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.226789][   T61]  ? 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)
[   58.226791][   T61]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.226793][   T61]  put_chars (drivers/char/virtio_console.c:1176)
[   58.226794][   T61]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.226796][   T61]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   58.226799][   T61]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.226803][   T61]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.226805][   T61]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   58.226806][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.226808][   T61]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.226810][   T61]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.226813][   T61]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.226815][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.226816][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.226818][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.226820][   T61]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.226821][   T61]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   58.226823][   T61]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.226825][   T61]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.226828][   T61]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.226830][   T61]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.226831][   T61]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.226833][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.226835][   T61]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   58.226836][   T61]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   58.226838][   T61]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   58.226840][   T61]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.226842][   T61]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.226844][   T61]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.226846][   T61]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.226848][   T61]  ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[   58.226849][   T61]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.226851][   T61]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.226853][   T61]  _printk (kernel/printk/printk.c:2504)
[   58.226856][   T61]  ? snapshot_read.cold (user.c:?)
[   58.226858][   T61]  ? netif_get_link_ksettings (net/ethtool/ioctl.c:450)
[   58.226861][   T61]  ? port_cost (net/bridge/br_if.c:40) bridge
[   58.226873][   T61]  ? br_multicast_flood (??:?) bridge
[   58.226880][   T61] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   58.226888][   T61] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   58.226895][   T61] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   58.226902][   T61] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   58.226909][   T61] br_device_event (net/bridge/br.c:101) bridge
[   58.226916][   T61]  ? fib6_ifdown (net/ipv6/route.c:4976)
[   58.226919][   T61]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   58.226922][   T61]  ? addrconf_notify (net/ipv6/addrconf.c:3764)
[   58.226925][   T61]  notifier_call_chain (kernel/notifier.c:85)
[   58.226928][   T61]  netif_state_change (net/core/dev.c:1625)
[   58.226931][   T61]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   58.226934][   T61]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.226935][   T61]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.226937][   T61]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.226938][   T61]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   58.226943][   T61]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.226944][   T61]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   58.226946][   T61]  process_one_work (kernel/workqueue.c:3387)
[   58.226953][   T61]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   58.226955][   T61]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.226957][   T61]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   58.226959][   T61]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   58.226961][   T61]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   58.226963][   T61]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.226965][   T61]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   58.226966][   T61]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   58.226968][   T61]  kthread (kernel/kthread.c:436)
[   58.226969][   T61]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.226972][   T61]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   58.226974][   T61]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.226976][   T61]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   58.226978][   T61]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.226981][   T61]  ? kthread_affine_preferred (kernel/kthread.c:857)


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