======================================
| [   11.000899][  T220] softirqs last disabled at (32679): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.000901][  T220] Preemption disabled at:
| [   11.000901][  T220] 0x0
| [   11.000912][  T220] Tainted: [W]=WARN
[   11.000913][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.000914][  T220] Call Trace:
[   11.000916][  T220]  <TASK>
[   11.000917][  T220]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.000923][  T220]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.000928][  T220]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.000933][  T220]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.000938][  T220]  __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))
[   11.000940][  T220]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.000945][  T220]  ? 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)
[   11.000948][  T220]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.000951][  T220]  put_chars (drivers/char/virtio_console.c:1176)
[   11.000954][  T220]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.000955][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.000960][  T220]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.000965][  T220]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.000972][  T220]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.000974][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.000976][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.000980][  T220]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.000984][  T220]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.000985][  T220]  ? 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))
[   11.000988][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.000991][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.000995][  T220]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.000999][  T220]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.001000][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.001005][  T220]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.001008][  T220]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.001010][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.001012][  T220]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.001016][  T220]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.001018][  T220]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.001021][  T220]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.001025][  T220]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.001028][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.001032][  T220]  _printk (kernel/printk/printk.c:2504)
[   11.001035][  T220]  ? snapshot_read.cold (user.c:?)
[   11.001038][  T220]  ? 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)
[   11.001041][  T220]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.001044][  T220]  ? 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)
[   11.001047][  T220]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.001051][  T220]  ? exit_notify (kernel/exit.c:780)
[   11.001052][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.001055][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.001059][  T220]  do_group_exit (kernel/exit.c:1151)
[   11.001062][  T220]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.001063][  T220]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.001066][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.001069][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.001072][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.001074][  T220] RIP: 0033:0x7fb92d6af1b8
[   11.001076][  T220] Code: Unable to access opcode bytes at 0x7fb92d6af18e.

Code starting with the faulting instruction
===========================================
[   11.001077][  T220] RSP: 002b:00007ffe2306f638 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.001079][  T220] RAX: ffffffffffffffda RBX: 00007fb92d7dff88 RCX: 00007fb92d6af1b8
[   11.001081][  T220] RDX: 00007fb92d3f9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.001082][  T220] RBP: 00007ffe2306f690 R08: 0000000000000000 R09: 0000000000008010
[   11.001083][  T220] R10: 00007ffe2306f450 R11: 0000000000000246 R12: 0000000000000001
[   11.001083][  T220] R13: 0000000000000000 R14: 00007fb92d7de680 R15: 00007fb92d7dffa0
| [   12.243250][  T264] softirqs last disabled at (27367): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.243252][  T264] Preemption disabled at:
| [   12.243253][  T264] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.243262][  T264] Tainted: [W]=WARN
[   12.243263][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.243265][  T264] Call Trace:
[   12.243267][  T264]  <TASK>
[   12.243268][  T264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.243273][  T264]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.243276][  T264]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.243280][  T264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.243284][  T264]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.243289][  T264]  __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))
[   12.243291][  T264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.243297][  T264]  ? 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)
[   12.243299][  T264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.243303][  T264]  put_chars (drivers/char/virtio_console.c:1176)
[   12.243305][  T264]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.243307][  T264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.243309][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.243313][  T264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.243317][  T264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.243320][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.243321][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.243326][  T264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.243327][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.243330][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.243333][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.243337][  T264]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.243341][  T264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.243342][  T264]  ? 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))
[   12.243345][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.243348][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.243352][  T264]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.243356][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.243358][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.243363][  T264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.243365][  T264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.243367][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.243369][  T264]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.243373][  T264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.243375][  T264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.243378][  T264]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.243382][  T264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.243387][  T264]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   12.243390][  T264]  _printk (kernel/printk/printk.c:2504)
[   12.243394][  T264]  ? snapshot_read.cold (user.c:?)
[   12.243400][  T264]  ? 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)
[   12.243403][  T264] gre_init (gre.mod.c:?) gre
[   12.243405][  T264]  do_one_initcall (init/main.c:1357)
[   12.243408][  T264]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.243412][  T264]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.243415][  T264]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.243420][  T264]  do_init_module (kernel/module/main.c:3117)
[   12.243423][  T264]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.243428][  T264]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.243431][  T264]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.243435][  T264]  load_module (kernel/module/main.c:3593)
[   12.243442][  T264]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.243447][  T264]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.243450][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.243454][  T264]  init_module_from_file (kernel/module/main.c:3790)
[   12.243457][  T264]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.243465][  T264]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.243469][  T264]  ? 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)
[   12.243477][  T264]  idempotent_init_module (kernel/module/main.c:3802)
[   12.243480][  T264]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.243486][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.243488][  T264]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.243494][  T264]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.243496][  T264]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.243499][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.243501][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.243504][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.243506][  T264] RIP: 0033:0x7f7c2d30737d
[   12.243509][  T264] 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
[   12.243511][  T264] RSP: 002b:00007fff68287fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.243514][  T264] RAX: ffffffffffffffda RBX: 000055b91b832d30 RCX: 00007f7c2d30737d
[   12.243515][  T264] RDX: 0000000000000000 RSI: 000055b8ff409ffd RDI: 0000000000000000
[   12.243516][  T264] RBP: 00007fff68288080 R08: 0000000000000000 R09: 0000000000000000
[   12.243517][  T264] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b8ff409ffd
[   12.243518][  T264] R13: 000055b91b832cf0 R14: 0000000000040000 R15: 0000000000000000
| [   12.355557][   T12]  #10: ffffffff9da89560 (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))
| [   12.355561][   T12]
| [   12.355561][   T12] stack backtrace:
| [   12.355567][   T12] Tainted: [W]=WARN
[   12.355568][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.355569][   T12] Workqueue: ipv6_addrconf addrconf_dad_work
[   12.355573][   T12] Call Trace:
[   12.355575][   T12]  <TASK>
[   12.355576][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.355583][   T12]  lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938)
[   12.355588][   T12]  __might_resched (kernel/sched/core.c:9196 (discriminator 9))
[   12.355592][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.355596][   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)
[   12.355601][   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))
[   12.355603][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.355609][   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)
[   12.355612][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.355615][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   12.355618][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.355621][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.355626][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.355633][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.355635][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.355639][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.355643][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.355647][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.355649][   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))
[   12.355652][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.355655][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.355659][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.355663][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.355665][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.355670][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.355673][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.355675][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.355678][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.355681][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.355683][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.355690][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.355696][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.355699][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.355704][   T12]  _printk (kernel/printk/printk.c:2504)
[   12.355707][   T12]  ? snapshot_read.cold (user.c:?)
[   12.355709][   T12]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   12.355715][   T12]  ? idr_get_free (??:?)
[   12.355720][   T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   12.355725][   T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:889) ip6_gre
[   12.355728][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.355731][   T12]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   12.355734][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.355737][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.355739][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.355742][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.355744][   T12]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   12.355751][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.355753][   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)
[   12.355757][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.355760][   T12]  __dev_queue_xmit (net/core/dev.c:4926)
[   12.355764][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.355766][   T12]  ? ip6_ra_control (net/ipv6/ipv6_sockglue.c:78)
[   12.355771][   T12]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   12.355772][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.355775][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.355777][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.355779][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.355782][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.355785][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   12.355787][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   12.355789][   T12]  ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[   12.355796][   T12]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   12.355801][   T12]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   12.355802][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.355805][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.355808][   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))
[   12.355813][   T12]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   12.355817][   T12]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   12.355820][   T12]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   12.355822][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.355824][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.355826][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.355828][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   12.355833][   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))
[   12.355838][   T12]  ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[   12.355844][   T12]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.355850][   T12]  addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[   12.355853][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.355855][   T12]  ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[   12.355858][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.355860][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.355862][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.355866][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   12.355868][   T12]  addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   12.355870][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.355873][   T12]  ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[   12.355875][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.355877][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.355879][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.355883][   T12]  addrconf_dad_work (net/ipv6/addrconf.c:4263)
[   12.355887][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[   12.355891][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.355892][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.355895][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.355897][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.355901][   T12]  process_one_work (kernel/workqueue.c:3387)
[   12.355907][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   12.355910][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.355918][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   12.355925][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   12.355927][   T12]  kthread (kernel/kthread.c:436)
[   12.355930][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.355932][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.355935][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.355939][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   12.355942][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.355946][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.355949][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.979362][  T326] softirqs last disabled at (30527): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.979365][  T326] Preemption disabled at:
| [   13.979366][  T326] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.979378][  T326] Tainted: [W]=WARN
[   13.979379][  T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.979381][  T326] Call Trace:
[   13.979383][  T326]  <TASK>
[   13.979385][  T326]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.979392][  T326]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.979395][  T326]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.979401][  T326]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.979407][  T326]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.979414][  T326]  __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))
[   13.979418][  T326]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.979427][  T326]  ? 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)
[   13.979431][  T326]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.979436][  T326]  put_chars (drivers/char/virtio_console.c:1176)
[   13.979439][  T326]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   13.979443][  T326]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.979448][  T326]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.979453][  T326]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.979460][  T326]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.979464][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.979466][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.979474][  T326]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.979476][  T326]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.979488][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.979493][  T326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.979500][  T326]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.979507][  T326]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.979510][  T326]  ? 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))
[   13.979515][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.979519][  T326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.979526][  T326]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.979533][  T326]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.979535][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.979544][  T326]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.979549][  T326]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.979551][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.979555][  T326]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.979561][  T326]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.979563][  T326]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.979569][  T326]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.979575][  T326]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.979586][  T326]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   13.979590][  T326]  _printk (kernel/printk/printk.c:2504)
[   13.979595][  T326]  ? snapshot_read.cold (user.c:?)
[   13.979607][  T326]  ? 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)
[   13.979611][  T326] gact_init_module (net/sched/act_gact.c:180) act_gact
[   13.979616][  T326]  do_one_initcall (init/main.c:1357)
[   13.979620][  T326]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.979628][  T326]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.979632][  T326]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.979640][  T326]  do_init_module (kernel/module/main.c:3117)
[   13.979646][  T326]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.979651][  T326]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.979656][  T326]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.979663][  T326]  load_module (kernel/module/main.c:3593)
[   13.979675][  T326]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.979681][  T326]  ? __ia32_sys_fsconfig (??:?)
[   13.979684][  T326]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   13.979695][  T326]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.979700][  T326]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.979706][  T326]  init_module_from_file (kernel/module/main.c:3790)
[   13.979711][  T326]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.979724][  T326]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.979730][  T326]  ? 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)
[   13.979734][  T326]  idempotent_init_module (kernel/module/main.c:3802)
[   13.979739][  T326]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.979750][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.979753][  T326]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.979762][  T326]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.979765][  T326]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.979770][  T326]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.979772][  T326]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.979776][  T326]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.979779][  T326] RIP: 0033:0x7f68f263137d
[   13.979784][  T326] 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
[   13.979786][  T326] RSP: 002b:00007ffed1ef1808 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.979790][  T326] RAX: ffffffffffffffda RBX: 000055fa4760c810 RCX: 00007f68f263137d
[   13.979792][  T326] RDX: 0000000000000000 RSI: 000055fa30042ffd RDI: 0000000000000000
[   13.979793][  T326] RBP: 00007ffed1ef18a0 R08: 0000000000000000 R09: 0000000000000000
[   13.979795][  T326] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fa30042ffd


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