======================================
| [    9.754860][  T186] softirqs last disabled at (50683): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.754863][  T186] Preemption disabled at:
| [    9.754863][  T186] 0x0
| [    9.754873][  T186] Tainted: [W]=WARN
[    9.754874][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.754876][  T186] Call Trace:
[    9.754877][  T186]  <TASK>
[    9.754879][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.754885][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.754890][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.754894][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.754899][  T186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.754902][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.754907][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.754910][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.754913][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.754916][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.754917][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.754922][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.754927][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.754933][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.754935][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.754937][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.754941][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.754944][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.754947][  T186]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.754951][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.754954][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.754958][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.754962][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.754964][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.754969][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.754973][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.754975][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.754977][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.754981][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.754983][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.754986][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.754990][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.754993][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.754996][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.755000][  T186]  ? snapshot_read.cold (user.c:?)
[    9.755003][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.755005][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.755009][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.755012][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.755015][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.755017][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.755020][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.755024][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.755026][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.755028][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.755030][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.755033][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.755036][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.755038][  T186] RIP: 0033:0x7f99fa9101b8
[    9.755041][  T186] Code: Unable to access opcode bytes at 0x7f99fa91018e.

Code starting with the faulting instruction
===========================================
[    9.755042][  T186] RSP: 002b:00007ffe9ec8d578 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.755044][  T186] RAX: ffffffffffffffda RBX: 00007f99faa40f88 RCX: 00007f99fa9101b8
[    9.755046][  T186] RDX: 00007f99fa65afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.755046][  T186] RBP: 00007ffe9ec8d5d0 R08: 0000000000000000 R09: 0000000000008010
[    9.755047][  T186] R10: 00007ffe9ec8d390 R11: 0000000000000246 R12: 0000000000000001
[    9.755048][  T186] R13: 0000000000000000 R14: 00007f99faa3f680 R15: 00007f99faa40fa0
| [   11.577363][  T260] softirqs last disabled at (31005): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.577365][  T260] Preemption disabled at:
| [   11.577365][  T260] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.577375][  T260] Tainted: [W]=WARN
[   11.577376][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.577377][  T260] Call Trace:
[   11.577379][  T260]  <TASK>
[   11.577380][  T260]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.577386][  T260]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.577388][  T260]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.577392][  T260]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.577396][  T260]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.577401][  T260]  __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))
[   11.577403][  T260]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.577409][  T260]  ? 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)
[   11.577412][  T260]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.577415][  T260]  put_chars (drivers/char/virtio_console.c:1176)
[   11.577417][  T260]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.577419][  T260]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.577422][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.577426][  T260]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.577430][  T260]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.577432][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.577434][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.577439][  T260]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.577440][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.577443][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.577446][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.577450][  T260]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.577453][  T260]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.577455][  T260]  ? 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))
[   11.577458][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.577460][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.577464][  T260]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.577468][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.577470][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.577475][  T260]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.577478][  T260]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.577479][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.577482][  T260]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.577485][  T260]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.577487][  T260]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.577490][  T260]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.577494][  T260]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.577499][  T260]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   11.577502][  T260]  _printk (kernel/printk/printk.c:2504)
[   11.577506][  T260]  ? snapshot_read.cold (user.c:?)
[   11.577512][  T260]  ? 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)
[   11.577515][  T260] gre_init (gre.mod.c:?) gre
[   11.577518][  T260]  do_one_initcall (init/main.c:1357)
[   11.577520][  T260]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.577525][  T260]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.577528][  T260]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.577533][  T260]  do_init_module (kernel/module/main.c:3117)
[   11.577536][  T260]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.577540][  T260]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.577544][  T260]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.577548][  T260]  load_module (kernel/module/main.c:3593)
[   11.577555][  T260]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.577560][  T260]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.577563][  T260]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.577567][  T260]  init_module_from_file (kernel/module/main.c:3790)
[   11.577570][  T260]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.577578][  T260]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.577582][  T260]  ? 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)
[   11.577585][  T260]  idempotent_init_module (kernel/module/main.c:3802)
[   11.577588][  T260]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.577594][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.577597][  T260]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.577603][  T260]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.577605][  T260]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.577608][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.577610][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.577613][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.577615][  T260] RIP: 0033:0x7f6e31ab437d
[   11.577618][  T260] 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
[   11.577620][  T260] RSP: 002b:00007fff548d3be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.577623][  T260] RAX: ffffffffffffffda RBX: 00005610b66abd30 RCX: 00007f6e31ab437d
[   11.577624][  T260] RDX: 0000000000000000 RSI: 000056109dcc0ffd RDI: 0000000000000000
[   11.577625][  T260] RBP: 00007fff548d3c80 R08: 0000000000000000 R09: 0000000000000000
[   11.577626][  T260] R10: 0000000000000000 R11: 0000000000000246 R12: 000056109dcc0ffd
[   11.577626][  T260] R13: 00005610b66abcf0 R14: 0000000000040000 R15: 0000000000000000
| [   11.714147][   T12]  #10: ffffffffbbc89560 (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))
| [   11.714151][   T12]
| [   11.714151][   T12] stack backtrace:
| [   11.714156][   T12] Tainted: [W]=WARN
[   11.714157][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.714159][   T12] Workqueue: ipv6_addrconf addrconf_dad_work
[   11.714163][   T12] Call Trace:
[   11.714164][   T12]  <TASK>
[   11.714166][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.714172][   T12]  lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938)
[   11.714178][   T12]  __might_resched (kernel/sched/core.c:9196 (discriminator 9))
[   11.714183][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.714186][   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)
[   11.714192][   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))
[   11.714194][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.714200][   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)
[   11.714203][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.714206][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   11.714208][   T12]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.714211][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.714214][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.714219][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.714226][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.714228][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.714232][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.714236][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.714240][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.714242][   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))
[   11.714245][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.714248][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.714252][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.714256][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.714258][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.714264][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.714267][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.714269][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.714271][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.714275][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.714277][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.714280][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.714284][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.714287][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.714292][   T12]  _printk (kernel/printk/printk.c:2504)
[   11.714295][   T12]  ? snapshot_read.cold (user.c:?)
[   11.714297][   T12]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   11.714309][   T12]  ? idr_get_free (??:?)
[   11.714314][   T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   11.714319][   T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre
[   11.714324][   T12]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   11.714327][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.714329][   T12]  ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2))
[   11.714333][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.714335][   T12]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   11.714342][   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)
[   11.714346][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.714349][   T12]  __dev_queue_xmit (net/core/dev.c:4926)
[   11.714353][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.714355][   T12]  ? ipv6_update_options (./arch/x86/include/asm/bitops.h:202 (discriminator 1) ./arch/x86/include/asm/bitops.h:232 (discriminator 1) ./include/asm-generic/bitops/instrumented-non-atomic.h:142 (discriminator 1) net/ipv6/ipv6_sockglue.c:105 (discriminator 1))
[   11.714360][   T12]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   11.714362][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.714365][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.714367][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.714369][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.714372][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.714375][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.714378][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.714380][   T12]  ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[   11.714386][   T12]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   11.714391][   T12]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   11.714393][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.714395][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.714398][   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))
[   11.714403][   T12]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   11.714406][   T12]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   11.714410][   T12]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   11.714412][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.714414][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.714416][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.714418][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.714422][   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))
[   11.714428][   T12]  ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[   11.714434][   T12]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.714440][   T12]  addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[   11.714443][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.714445][   T12]  ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[   11.714448][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.714450][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.714452][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.714456][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   11.714458][   T12]  addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   11.714460][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.714463][   T12]  ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[   11.714465][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.714467][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.714469][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.714474][   T12]  addrconf_dad_work (net/ipv6/addrconf.c:4263)
[   11.714478][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[   11.714481][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.714483][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.714485][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.714487][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.714491][   T12]  process_one_work (kernel/workqueue.c:3387)
[   11.714498][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   11.714501][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.714509][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   11.714516][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.714518][   T12]  kthread (kernel/kthread.c:436)
[   11.714521][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.714524][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.714527][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.714531][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   11.714534][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.714537][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.714540][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.336636][  T321] softirqs last disabled at (16899): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.336638][  T321] Preemption disabled at:
| [   13.336638][  T321] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.336648][  T321] Tainted: [W]=WARN
[   13.336649][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.336651][  T321] Call Trace:
[   13.336652][  T321]  <TASK>
[   13.336654][  T321]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.336659][  T321]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.336662][  T321]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.336666][  T321]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.336670][  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)
[   13.336675][  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))
[   13.336678][  T321]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.336683][  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)
[   13.336686][  T321]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.336689][  T321]  put_chars (drivers/char/virtio_console.c:1176)
[   13.336691][  T321]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   13.336693][  T321]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.336696][  T321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.336699][  T321]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.336703][  T321]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.336705][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.336707][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.336711][  T321]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.336713][  T321]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.336716][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.336719][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.336723][  T321]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.336726][  T321]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.336728][  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))
[   13.336731][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.336733][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.336737][  T321]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.336741][  T321]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.336743][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.336748][  T321]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.336750][  T321]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.336752][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.336754][  T321]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.336758][  T321]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.336759][  T321]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.336763][  T321]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.336767][  T321]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.336772][  T321]  ? tunnel6_fini (net/ipv6/tunnel6.c:98 (discriminator 10)) tunnel6
[   13.336775][  T321]  _printk (kernel/printk/printk.c:2504)
[   13.336779][  T321]  ? snapshot_read.cold (user.c:?)
[   13.336784][  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)
[   13.336787][  T321] gact_init_module (net/sched/act_gact.c:180) act_gact
[   13.336790][  T321]  do_one_initcall (init/main.c:1357)
[   13.336793][  T321]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.336797][  T321]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.336800][  T321]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.336805][  T321]  do_init_module (kernel/module/main.c:3117)
[   13.336808][  T321]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.336813][  T321]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.336816][  T321]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.336820][  T321]  load_module (kernel/module/main.c:3593)
[   13.336826][  T321]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.336830][  T321]  ? __ia32_sys_fsconfig (??:?)
[   13.336833][  T321]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   13.336837][  T321]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.336840][  T321]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.336843][  T321]  init_module_from_file (kernel/module/main.c:3790)
[   13.336846][  T321]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.336854][  T321]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.336858][  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)
[   13.336861][  T321]  idempotent_init_module (kernel/module/main.c:3802)
[   13.336864][  T321]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.336870][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.336872][  T321]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.336878][  T321]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.336880][  T321]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.336884][  T321]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.336886][  T321]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.336888][  T321]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.336891][  T321] RIP: 0033:0x7f4437d7337d
[   13.336894][  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
[   13.336895][  T321] RSP: 002b:00007ffe7a422808 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.336898][  T321] RAX: ffffffffffffffda RBX: 000056330c0e4810 RCX: 00007f4437d7337d
[   13.336899][  T321] RDX: 0000000000000000 RSI: 0000563301370ffd RDI: 0000000000000000
[   13.336900][  T321] RBP: 00007ffe7a4228a0 R08: 0000000000000000 R09: 0000000000000000
[   13.336901][  T321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563301370ffd


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