======================================
| [   10.266083][  T186] softirqs last disabled at (37403): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.266086][  T186] Preemption disabled at:
| [   10.266086][  T186] 0x0
| [   10.266097][  T186] Tainted: [W]=WARN
[   10.266098][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.266100][  T186] Call Trace:
[   10.266101][  T186]  <TASK>
[   10.266103][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.266109][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.266114][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.266123][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.266128][  T186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.266130][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.266136][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.266138][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.266141][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[   10.266144][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.266146][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.266150][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.266155][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.266162][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.266164][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.266166][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.266170][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.266174][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.266176][  T186]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.266179][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.266181][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.266185][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.266189][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.266191][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.266196][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.266199][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.266201][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.266203][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.266207][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.266208][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.266212][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.266216][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.266220][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.266224][  T186]  _printk (kernel/printk/printk.c:2504)
[   10.266228][  T186]  ? snapshot_read.cold (user.c:?)
[   10.266231][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.266233][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.266237][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.266240][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.266243][  T186]  ? exit_notify (kernel/exit.c:780)
[   10.266245][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.266248][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.266252][  T186]  do_group_exit (kernel/exit.c:1151)
[   10.266255][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.266257][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.266259][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.266262][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.266265][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.266268][  T186] RIP: 0033:0x7f9ada2ee1b8
[   10.266270][  T186] Code: Unable to access opcode bytes at 0x7f9ada2ee18e.

Code starting with the faulting instruction
===========================================
[   10.266271][  T186] RSP: 002b:00007ffc3693c0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.266274][  T186] RAX: ffffffffffffffda RBX: 00007f9ada41ef88 RCX: 00007f9ada2ee1b8
[   10.266275][  T186] RDX: 00007f9ada038fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.266276][  T186] RBP: 00007ffc3693c150 R08: 0000000000000000 R09: 0000000000008010
[   10.266277][  T186] R10: 00007ffc3693bf10 R11: 0000000000000246 R12: 0000000000000001
[   10.266277][  T186] R13: 0000000000000000 R14: 00007f9ada41d680 R15: 00007f9ada41efa0
| [   12.203513][  T261] softirqs last disabled at (18743): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.203515][  T261] Preemption disabled at:
| [   12.203516][  T261] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.203524][  T261] Tainted: [W]=WARN
[   12.203525][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.203527][  T261] Call Trace:
[   12.203529][  T261]  <TASK>
[   12.203530][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.203536][  T261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.203538][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.203543][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.203547][  T261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.203552][  T261]  __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))
[   12.203554][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.203560][  T261]  ? 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)
[   12.203562][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.203565][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   12.203567][  T261]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.203569][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.203572][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.203575][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.203579][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.203582][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.203584][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.203588][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.203589][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.203592][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.203595][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.203599][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.203603][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.203605][  T261]  ? 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))
[   12.203608][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.203610][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.203613][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.203617][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.203619][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.203624][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.203627][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.203628][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.203630][  T261]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.203634][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.203636][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.203639][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.203643][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.203648][  T261]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   12.203651][  T261]  _printk (kernel/printk/printk.c:2504)
[   12.203655][  T261]  ? snapshot_read.cold (user.c:?)
[   12.203661][  T261]  ? 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)
[   12.203663][  T261] gre_init (gre.mod.c:?) gre
[   12.203665][  T261]  do_one_initcall (init/main.c:1357)
[   12.203668][  T261]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.203672][  T261]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.203676][  T261]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.203680][  T261]  do_init_module (kernel/module/main.c:3117)
[   12.203684][  T261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.203688][  T261]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.203691][  T261]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.203695][  T261]  load_module (kernel/module/main.c:3593)
[   12.203702][  T261]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.203706][  T261]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.203710][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.203714][  T261]  init_module_from_file (kernel/module/main.c:3790)
[   12.203717][  T261]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.203725][  T261]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.203728][  T261]  ? 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)
[   12.203731][  T261]  idempotent_init_module (kernel/module/main.c:3802)
[   12.203736][  T261]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.203742][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.203745][  T261]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.203751][  T261]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.203753][  T261]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.203756][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.203758][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.203761][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.203763][  T261] RIP: 0033:0x7f073799137d
[   12.203766][  T261] 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
[   12.203768][  T261] RSP: 002b:00007fff894a9db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.203771][  T261] RAX: ffffffffffffffda RBX: 000055c41b7e1d30 RCX: 00007f073799137d
[   12.203772][  T261] RDX: 0000000000000000 RSI: 000055c4040bdffd RDI: 0000000000000000
[   12.203773][  T261] RBP: 00007fff894a9e50 R08: 0000000000000000 R09: 0000000000000000
[   12.203774][  T261] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c4040bdffd
[   12.203775][  T261] R13: 000055c41b7e1cf0 R14: 0000000000040000 R15: 0000000000000000
| [   12.335165][   T12]  #10: ffffffff95089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
| [   12.335170][   T12]
| [   12.335170][   T12] stack backtrace:
| [   12.335176][   T12] Tainted: [W]=WARN
[   12.335176][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.335178][   T12] Workqueue: ipv6_addrconf addrconf_dad_work
[   12.335182][   T12] Call Trace:
[   12.335183][   T12]  <TASK>
[   12.335185][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.335192][   T12]  lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938)
[   12.335198][   T12]  __might_resched (kernel/sched/core.c:9196 (discriminator 9))
[   12.335203][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.335206][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.335212][   T12]  __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))
[   12.335215][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.335223][   T12]  ? 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)
[   12.335226][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.335230][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   12.335233][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.335236][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.335242][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.335250][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.335252][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.335256][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.335261][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.335265][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.335267][   T12]  ? 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))
[   12.335271][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.335273][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.335278][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.335283][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.335285][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.335291][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.335294][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.335296][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.335299][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.335303][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.335305][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.335309][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.335313][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.335316][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.335321][   T12]  _printk (kernel/printk/printk.c:2504)
[   12.335324][   T12]  ? snapshot_read.cold (user.c:?)
[   12.335326][   T12]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   12.335332][   T12]  ? idr_get_free (??:?)
[   12.335338][   T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   12.335343][   T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:889) ip6_gre
[   12.335347][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.335351][   T12]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   12.335354][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.335357][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.335360][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.335363][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.335365][   T12]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   12.335373][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.335375][   T12]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   12.335379][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.335383][   T12]  __dev_queue_xmit (net/core/dev.c:4926)
[   12.335387][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.335389][   T12]  ? ip6_ra_control (net/ipv6/ipv6_sockglue.c:78)
[   12.335395][   T12]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   12.335396][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.335400][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.335401][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.335404][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.335407][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.335410][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   12.335413][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   12.335415][   T12]  ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[   12.335423][   T12]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   12.335428][   T12]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   12.335430][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.335433][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.335436][   T12]  ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[   12.335441][   T12]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   12.335446][   T12]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   12.335449][   T12]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   12.335452][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.335454][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.335457][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.335458][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   12.335463][   T12]  ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4))
[   12.335469][   T12]  ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[   12.335476][   T12]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.335482][   T12]  addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[   12.335486][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.335488][   T12]  ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[   12.335491][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.335493][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.335495][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.335499][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   12.335502][   T12]  addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   12.335504][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.335507][   T12]  ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[   12.335510][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.335511][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.335514][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.335519][   T12]  addrconf_dad_work (net/ipv6/addrconf.c:4263)
[   12.335524][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[   12.335527][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.335529][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.335532][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.335534][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.335538][   T12]  process_one_work (kernel/workqueue.c:3387)
[   12.335546][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   12.335549][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.335559][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   12.335567][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   12.335570][   T12]  kthread (kernel/kthread.c:436)
[   12.335572][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.335575][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.335578][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.335583][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   12.335586][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.335589][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.335592][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.016085][  T321] softirqs last disabled at (24823): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.016087][  T321] Preemption disabled at:
| [   14.016088][  T321] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.016097][  T321] Tainted: [W]=WARN
[   14.016098][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.016100][  T321] Call Trace:
[   14.016101][  T321]  <TASK>
[   14.016102][  T321]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.016108][  T321]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.016110][  T321]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.016115][  T321]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.016119][  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)
[   14.016124][  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))
[   14.016126][  T321]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.016136][  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)
[   14.016138][  T321]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.016141][  T321]  put_chars (drivers/char/virtio_console.c:1176)
[   14.016144][  T321]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   14.016146][  T321]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.016148][  T321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.016152][  T321]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.016156][  T321]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.016159][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.016160][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.016165][  T321]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.016166][  T321]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.016169][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.016172][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.016176][  T321]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.016180][  T321]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.016181][  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))
[   14.016184][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.016187][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.016191][  T321]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.016195][  T321]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.016196][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.016201][  T321]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.016204][  T321]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.016206][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.016208][  T321]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.016212][  T321]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.016213][  T321]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.016217][  T321]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.016222][  T321]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.016227][  T321]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   14.016230][  T321]  _printk (kernel/printk/printk.c:2504)
[   14.016234][  T321]  ? snapshot_read.cold (user.c:?)
[   14.016240][  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)
[   14.016243][  T321] gact_init_module (net/sched/act_gact.c:180) act_gact
[   14.016245][  T321]  do_one_initcall (init/main.c:1357)
[   14.016248][  T321]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   14.016253][  T321]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   14.016256][  T321]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   14.016260][  T321]  do_init_module (kernel/module/main.c:3117)
[   14.016264][  T321]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.016268][  T321]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   14.016271][  T321]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   14.016275][  T321]  load_module (kernel/module/main.c:3593)
[   14.016282][  T321]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   14.016286][  T321]  ? __ia32_sys_fsconfig (??:?)
[   14.016289][  T321]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   14.016293][  T321]  ? backing_file_read_iter (fs/backing-file.c:211)
[   14.016296][  T321]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.016300][  T321]  init_module_from_file (kernel/module/main.c:3790)
[   14.016303][  T321]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   14.016311][  T321]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.016315][  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)
[   14.016318][  T321]  idempotent_init_module (kernel/module/main.c:3802)
[   14.016321][  T321]  ? init_module_from_file (kernel/module/main.c:3791)
[   14.016327][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.016329][  T321]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   14.016335][  T321]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   14.016337][  T321]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.016341][  T321]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.016343][  T321]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.016345][  T321]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.016348][  T321] RIP: 0033:0x7fb86b21037d
[   14.016351][  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
[   14.016352][  T321] RSP: 002b:00007fff9af25298 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   14.016355][  T321] RAX: ffffffffffffffda RBX: 000055612cddc810 RCX: 00007fb86b21037d
[   14.016356][  T321] RDX: 0000000000000000 RSI: 00005560fccebffd RDI: 0000000000000000
[   14.016357][  T321] RBP: 00007fff9af25330 R08: 0000000000000000 R09: 0000000000000000
[   14.016358][  T321] R10: 0000000000000000 R11: 0000000000000246 R12: 00005560fccebffd


Finger prints:
__might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print