======================================
| [    9.599062][  T186] softirqs last disabled at (35861): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.599065][  T186] Preemption disabled at:
| [    9.599066][  T186] 0x0
| [    9.599079][  T186] Tainted: [W]=WARN
[    9.599080][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.599082][  T186] Call Trace:
[    9.599084][  T186]  <TASK>
[    9.599086][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.599094][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.599100][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.599106][  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)
[    9.599113][  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))
[    9.599117][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.599125][  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)
[    9.599129][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.599134][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.599138][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.599140][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.599146][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.599155][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.599165][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.599169][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.599172][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.599179][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.599185][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.599188][  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))
[    9.599193][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.599196][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.599203][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.599209][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.599212][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.599221][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.599225][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.599228][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.599231][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.599237][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.599240][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.599245][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.599251][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.599256][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.599263][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.599268][  T186]  ? snapshot_read.cold (user.c:?)
[    9.599272][  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)
[    9.599276][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.599282][  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)
[    9.599286][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.599291][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.599295][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.599299][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.599306][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.599310][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.599313][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.599317][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.599321][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.599326][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.599329][  T186] RIP: 0033:0x7f77734481b8
[    9.599332][  T186] Code: Unable to access opcode bytes at 0x7f777344818e.

Code starting with the faulting instruction
===========================================
[    9.599334][  T186] RSP: 002b:00007ffff49ef448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.599338][  T186] RAX: ffffffffffffffda RBX: 00007f7773578f88 RCX: 00007f77734481b8
[    9.599340][  T186] RDX: 00007f7773192fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.599341][  T186] RBP: 00007ffff49ef4a0 R08: 0000000000000000 R09: 0000000000008010
[    9.599343][  T186] R10: 00007ffff49ef260 R11: 0000000000000246 R12: 0000000000000001
[    9.599344][  T186] R13: 0000000000000000 R14: 00007f7773577680 R15: 00007f7773578fa0
| [   11.754935][  T260] softirqs last disabled at (20037): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.754937][  T260] Preemption disabled at:
| [   11.754938][  T260] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.754947][  T260] Tainted: [W]=WARN
[   11.754948][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.754950][  T260] Call Trace:
[   11.754952][  T260]  <TASK>
[   11.754953][  T260]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.754959][  T260]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.754961][  T260]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.754965][  T260]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.754969][  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)
[   11.754974][  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))
[   11.754977][  T260]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.754982][  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)
[   11.754985][  T260]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.754988][  T260]  put_chars (drivers/char/virtio_console.c:1176)
[   11.754989][  T260]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.754991][  T260]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.754994][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.754997][  T260]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.755002][  T260]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.755004][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.755006][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.755010][  T260]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.755011][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.755014][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.755017][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.755021][  T260]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.755025][  T260]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.755026][  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))
[   11.755029][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.755032][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.755035][  T260]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.755039][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.755041][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.755046][  T260]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.755048][  T260]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.755050][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.755052][  T260]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.755056][  T260]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.755058][  T260]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.755061][  T260]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.755065][  T260]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.755070][  T260]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   11.755073][  T260]  _printk (kernel/printk/printk.c:2504)
[   11.755077][  T260]  ? snapshot_read.cold (user.c:?)
[   11.755083][  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)
[   11.755086][  T260] gre_init (gre.mod.c:?) gre
[   11.755088][  T260]  do_one_initcall (init/main.c:1357)
[   11.755091][  T260]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.755095][  T260]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.755098][  T260]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.755103][  T260]  do_init_module (kernel/module/main.c:3117)
[   11.755106][  T260]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.755110][  T260]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.755113][  T260]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.755117][  T260]  load_module (kernel/module/main.c:3593)
[   11.755124][  T260]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.755129][  T260]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.755133][  T260]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.755136][  T260]  init_module_from_file (kernel/module/main.c:3790)
[   11.755139][  T260]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.755147][  T260]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.755150][  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)
[   11.755154][  T260]  idempotent_init_module (kernel/module/main.c:3802)
[   11.755157][  T260]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.755163][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.755165][  T260]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.755171][  T260]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.755173][  T260]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.755176][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.755178][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.755181][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.755183][  T260] RIP: 0033:0x7f622275737d
[   11.755186][  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
[   11.755188][  T260] RSP: 002b:00007ffcec58c758 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.755191][  T260] RAX: ffffffffffffffda RBX: 000056149e568d30 RCX: 00007f622275737d
[   11.755192][  T260] RDX: 0000000000000000 RSI: 00005614880aeffd RDI: 0000000000000000
[   11.755193][  T260] RBP: 00007ffcec58c7f0 R08: 0000000000000000 R09: 0000000000000000
[   11.755194][  T260] R10: 0000000000000000 R11: 0000000000000246 R12: 00005614880aeffd
[   11.755195][  T260] R13: 000056149e568cf0 R14: 0000000000040000 R15: 0000000000000000
| [   11.887289][   T12]  #10: ffffffff8ae89560 (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))
| [   11.887292][   T12]
| [   11.887292][   T12] stack backtrace:
| [   11.887298][   T12] Tainted: [W]=WARN
[   11.887299][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.887300][   T12] Workqueue: ipv6_addrconf addrconf_dad_work
[   11.887304][   T12] Call Trace:
[   11.887306][   T12]  <TASK>
[   11.887307][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.887313][   T12]  lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938)
[   11.887319][   T12]  __might_resched (kernel/sched/core.c:9196 (discriminator 9))
[   11.887324][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.887327][   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)
[   11.887332][   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))
[   11.887334][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.887340][   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)
[   11.887343][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.887346][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   11.887348][   T12]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.887350][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.887353][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.887358][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.887365][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.887367][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.887371][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.887375][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.887379][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.887381][   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))
[   11.887384][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.887387][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.887391][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.887395][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.887397][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.887403][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.887405][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.887407][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.887410][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.887413][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.887415][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.887419][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.887423][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.887426][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.887431][   T12]  _printk (kernel/printk/printk.c:2504)
[   11.887434][   T12]  ? snapshot_read.cold (user.c:?)
[   11.887435][   T12]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   11.887441][   T12]  ? idr_get_free (??:?)
[   11.887447][   T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   11.887451][   T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre
[   11.887456][   T12]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   11.887459][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.887462][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.887464][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.887467][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.887469][   T12]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   11.887477][   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)
[   11.887480][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.887484][   T12]  __dev_queue_xmit (net/core/dev.c:4926)
[   11.887488][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.887490][   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))
[   11.887495][   T12]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   11.887496][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.887500][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.887501][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.887503][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.887506][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.887509][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.887511][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.887513][   T12]  ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[   11.887520][   T12]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   11.887525][   T12]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   11.887526][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.887529][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.887532][   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))
[   11.887536][   T12]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   11.887540][   T12]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   11.887543][   T12]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   11.887545][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.887547][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.887550][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.887552][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.887556][   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))
[   11.887561][   T12]  ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[   11.887568][   T12]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.887573][   T12]  addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[   11.887576][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.887579][   T12]  ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[   11.887581][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.887583][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.887585][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.887589][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   11.887591][   T12]  addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   11.887593][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.887596][   T12]  ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[   11.887598][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.887600][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.887602][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.887606][   T12]  addrconf_dad_work (net/ipv6/addrconf.c:4263)
[   11.887610][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[   11.887614][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.887616][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.887618][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.887619][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.887624][   T12]  process_one_work (kernel/workqueue.c:3387)
[   11.887630][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   11.887633][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.887641][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   11.887649][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.887651][   T12]  kthread (kernel/kthread.c:436)
[   11.887653][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.887656][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.887659][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.887663][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   11.887666][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.887669][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.887672][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.730863][  T322] softirqs last disabled at (22649): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.730866][  T322] Preemption disabled at:
| [   13.730866][  T322] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.730875][  T322] Tainted: [W]=WARN
[   13.730876][  T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.730878][  T322] Call Trace:
[   13.730880][  T322]  <TASK>
[   13.730881][  T322]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.730887][  T322]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.730889][  T322]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.730893][  T322]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.730897][  T322]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.730902][  T322]  __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))
[   13.730905][  T322]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.730910][  T322]  ? 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)
[   13.730913][  T322]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.730917][  T322]  put_chars (drivers/char/virtio_console.c:1176)
[   13.730919][  T322]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   13.730922][  T322]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.730927][  T322]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.730931][  T322]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.730937][  T322]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.730940][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.730942][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.730949][  T322]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.730951][  T322]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.730955][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.730959][  T322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.730965][  T322]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.730970][  T322]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.730972][  T322]  ? 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))
[   13.730975][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.730978][  T322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.730981][  T322]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.730985][  T322]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.730987][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.730992][  T322]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.730995][  T322]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.730996][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.730998][  T322]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.731002][  T322]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.731004][  T322]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.731007][  T322]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.731011][  T322]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.731016][  T322]  ? tunnel6_fini (net/ipv6/tunnel6.c:98 (discriminator 10)) tunnel6
[   13.731019][  T322]  _printk (kernel/printk/printk.c:2504)
[   13.731023][  T322]  ? snapshot_read.cold (user.c:?)
[   13.731029][  T322]  ? 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)
[   13.731032][  T322] gact_init_module (net/sched/act_gact.c:180) act_gact
[   13.731035][  T322]  do_one_initcall (init/main.c:1357)
[   13.731037][  T322]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.731042][  T322]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.731044][  T322]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.731049][  T322]  do_init_module (kernel/module/main.c:3117)
[   13.731053][  T322]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.731057][  T322]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.731060][  T322]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.731064][  T322]  load_module (kernel/module/main.c:3593)
[   13.731071][  T322]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.731075][  T322]  ? __ia32_sys_fsconfig (??:?)
[   13.731078][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.731080][  T322]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.731084][  T322]  init_module_from_file (kernel/module/main.c:3790)
[   13.731087][  T322]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.731095][  T322]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.731098][  T322]  ? 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)
[   13.731101][  T322]  idempotent_init_module (kernel/module/main.c:3802)
[   13.731104][  T322]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.731110][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.731113][  T322]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.731119][  T322]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.731121][  T322]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.731125][  T322]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.731127][  T322]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.731129][  T322]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.731132][  T322] RIP: 0033:0x7faf426f837d
[   13.731135][  T322] 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
[   13.731137][  T322] RSP: 002b:00007ffc3585cc28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.731139][  T322] RAX: ffffffffffffffda RBX: 00005625a6734810 RCX: 00007faf426f837d
[   13.731141][  T322] RDX: 0000000000000000 RSI: 0000562595c64ffd RDI: 0000000000000000
[   13.731142][  T322] RBP: 00007ffc3585ccc0 R08: 0000000000000000 R09: 0000000000000000
[   13.731142][  T322] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562595c64ffd


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