======================================
| [    9.755119][  T188] softirqs last disabled at (41095): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.755121][  T188] Preemption disabled at:
| [    9.755122][  T188] 0x0
| [    9.755132][  T188] Tainted: [W]=WARN
[    9.755133][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.755135][  T188] Call Trace:
[    9.755137][  T188]  <TASK>
[    9.755138][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.755147][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.755152][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.755156][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.755161][  T188]  __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))
[    9.755163][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.755170][  T188]  ? 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)
[    9.755173][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.755176][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[    9.755179][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.755180][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.755185][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.755190][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.755197][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.755199][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.755202][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.755206][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.755210][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.755211][  T188]  ? 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))
[    9.755215][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.755217][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.755221][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.755225][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.755227][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.755232][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.755235][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.755237][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.755239][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.755243][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.755245][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.755248][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.755252][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.755255][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.755259][  T188]  _printk (kernel/printk/printk.c:2504)
[    9.755263][  T188]  ? snapshot_read.cold (user.c:?)
[    9.755266][  T188]  ? 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)
[    9.755268][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.755272][  T188]  ? 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)
[    9.755275][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.755279][  T188]  ? exit_notify (kernel/exit.c:780)
[    9.755281][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.755284][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.755288][  T188]  do_group_exit (kernel/exit.c:1151)
[    9.755291][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.755292][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.755295][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.755298][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.755301][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.755303][  T188] RIP: 0033:0x7f2a0090c1b8
[    9.755306][  T188] Code: Unable to access opcode bytes at 0x7f2a0090c18e.

Code starting with the faulting instruction
===========================================
[    9.755307][  T188] RSP: 002b:00007ffeb4aa5808 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.755310][  T188] RAX: ffffffffffffffda RBX: 00007f2a00a3cf88 RCX: 00007f2a0090c1b8
[    9.755311][  T188] RDX: 00007f2a00656fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.755312][  T188] RBP: 00007ffeb4aa5860 R08: 0000000000000000 R09: 0000000000008010
[    9.755313][  T188] R10: 00007ffeb4aa5620 R11: 0000000000000246 R12: 0000000000000001
[    9.755314][  T188] R13: 0000000000000000 R14: 00007f2a00a3b680 R15: 00007f2a00a3cfa0
| [   11.630642][  T262] softirqs last disabled at (24503): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.630644][  T262] Preemption disabled at:
| [   11.630645][  T262] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.630655][  T262] Tainted: [W]=WARN
[   11.630656][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.630657][  T262] Call Trace:
[   11.630659][  T262]  <TASK>
[   11.630661][  T262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.630666][  T262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.630669][  T262]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.630673][  T262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.630678][  T262]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.630683][  T262]  __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))
[   11.630685][  T262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.630691][  T262]  ? 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)
[   11.630694][  T262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.630697][  T262]  put_chars (drivers/char/virtio_console.c:1176)
[   11.630699][  T262]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.630701][  T262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.630704][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.630708][  T262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.630712][  T262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.630715][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.630716][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.630721][  T262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.630722][  T262]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.630725][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.630729][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.630733][  T262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.630736][  T262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.630738][  T262]  ? 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))
[   11.630741][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.630744][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.630748][  T262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.630752][  T262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.630754][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.630759][  T262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.630762][  T262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.630764][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.630766][  T262]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.630770][  T262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.630771][  T262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.630775][  T262]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.630779][  T262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.630785][  T262]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   11.630787][  T262]  _printk (kernel/printk/printk.c:2504)
[   11.630791][  T262]  ? snapshot_read.cold (user.c:?)
[   11.630797][  T262]  ? 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)
[   11.630800][  T262] gre_init (gre.mod.c:?) gre
[   11.630802][  T262]  do_one_initcall (init/main.c:1357)
[   11.630805][  T262]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.630810][  T262]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.630813][  T262]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.630818][  T262]  do_init_module (kernel/module/main.c:3117)
[   11.630822][  T262]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.630826][  T262]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.630830][  T262]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.630834][  T262]  load_module (kernel/module/main.c:3593)
[   11.630841][  T262]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.630846][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.630848][  T262]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.630851][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.630855][  T262]  init_module_from_file (kernel/module/main.c:3790)
[   11.630859][  T262]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.630867][  T262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.630870][  T262]  ? 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)
[   11.630873][  T262]  idempotent_init_module (kernel/module/main.c:3802)
[   11.630877][  T262]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.630883][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.630885][  T262]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.630891][  T262]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.630893][  T262]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.630897][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.630899][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.630902][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.630904][  T262] RIP: 0033:0x7fdd6701b37d
[   11.630908][  T262] 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
[   11.630910][  T262] RSP: 002b:00007ffdeb351158 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.630913][  T262] RAX: ffffffffffffffda RBX: 000056099129ad30 RCX: 00007fdd6701b37d
[   11.630914][  T262] RDX: 0000000000000000 RSI: 00005609890d4ffd RDI: 0000000000000000
[   11.630915][  T262] RBP: 00007ffdeb3511f0 R08: 0000000000000000 R09: 0000000000000000
[   11.630916][  T262] R10: 0000000000000000 R11: 0000000000000246 R12: 00005609890d4ffd
[   11.630917][  T262] R13: 000056099129acf0 R14: 0000000000040000 R15: 0000000000000000
| [   11.762217][   T12]  #10: ffffffff85489560 (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))
| [   11.762221][   T12]
| [   11.762221][   T12] stack backtrace:
| [   11.762228][   T12] Tainted: [W]=WARN
[   11.762228][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.762230][   T12] Workqueue: ipv6_addrconf addrconf_dad_work
[   11.762234][   T12] Call Trace:
[   11.762235][   T12]  <TASK>
[   11.762237][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.762244][   T12]  lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938)
[   11.762249][   T12]  __might_resched (kernel/sched/core.c:9196 (discriminator 9))
[   11.762254][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.762257][   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)
[   11.762263][   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))
[   11.762265][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.762271][   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)
[   11.762274][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.762277][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   11.762280][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.762283][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.762289][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.762296][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.762298][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.762303][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.762307][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.762311][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.762313][   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))
[   11.762316][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.762319][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.762323][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.762327][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.762329][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.762335][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.762338][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.762340][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.762342][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.762346][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.762348][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.762352][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.762356][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.762359][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.762364][   T12]  _printk (kernel/printk/printk.c:2504)
[   11.762367][   T12]  ? snapshot_read.cold (user.c:?)
[   11.762368][   T12]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   11.762375][   T12]  ? idr_get_free (??:?)
[   11.762380][   T12] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   11.762385][   T12] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:889) ip6_gre
[   11.762390][   T12]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   11.762393][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.762396][   T12]  ? __bfs (kernel/locking/lockdep.c:1831 (discriminator 2))
[   11.762400][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.762402][   T12]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   11.762409][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.762411][   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)
[   11.762415][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.762419][   T12]  __dev_queue_xmit (net/core/dev.c:4926)
[   11.762422][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.762424][   T12]  ? ip6_ra_control (net/ipv6/ipv6_sockglue.c:78)
[   11.762430][   T12]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   11.762431][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.762434][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.762436][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.762438][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.762441][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.762444][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.762447][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.762449][   T12]  ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[   11.762456][   T12]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   11.762460][   T12]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   11.762462][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.762465][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.762468][   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))
[   11.762473][   T12]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   11.762477][   T12]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   11.762480][   T12]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   11.762482][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.762484][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.762487][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.762488][   T12]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.762493][   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))
[   11.762498][   T12]  ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[   11.762505][   T12]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.762511][   T12]  addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[   11.762514][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.762517][   T12]  ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[   11.762519][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.762521][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.762523][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.762527][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   11.762529][   T12]  addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   11.762531][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.762535][   T12]  ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[   11.762537][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.762538][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.762541][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.762545][   T12]  addrconf_dad_work (net/ipv6/addrconf.c:4263)
[   11.762557][   T12]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[   11.762561][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.762562][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.762565][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.762566][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.762571][   T12]  process_one_work (kernel/workqueue.c:3387)
[   11.762578][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   11.762581][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.762588][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   11.762596][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.762598][   T12]  kthread (kernel/kthread.c:436)
[   11.762600][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.762603][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.762606][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.762611][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   11.762614][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.762617][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.762620][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.323036][  T322] softirqs last disabled at (17409): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.323038][  T322] Preemption disabled at:
| [   13.323039][  T322] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.323048][  T322] Tainted: [W]=WARN
[   13.323049][  T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.323050][  T322] Call Trace:
[   13.323052][  T322]  <TASK>
[   13.323053][  T322]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.323059][  T322]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.323061][  T322]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.323066][  T322]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.323070][  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)
[   13.323075][  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))
[   13.323077][  T322]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.323083][  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)
[   13.323086][  T322]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.323089][  T322]  put_chars (drivers/char/virtio_console.c:1176)
[   13.323091][  T322]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   13.323093][  T322]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.323096][  T322]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.323100][  T322]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.323104][  T322]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.323107][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.323108][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.323113][  T322]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.323114][  T322]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.323117][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.323120][  T322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.323124][  T322]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.323128][  T322]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.323130][  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))
[   13.323133][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.323136][  T322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.323140][  T322]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.323147][  T322]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.323149][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.323155][  T322]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.323157][  T322]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.323159][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.323162][  T322]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.323165][  T322]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.323167][  T322]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.323171][  T322]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.323175][  T322]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.323180][  T322]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   13.323183][  T322]  _printk (kernel/printk/printk.c:2504)
[   13.323187][  T322]  ? snapshot_read.cold (user.c:?)
[   13.323193][  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)
[   13.323196][  T322] gact_init_module (net/sched/act_gact.c:180) act_gact
[   13.323199][  T322]  do_one_initcall (init/main.c:1357)
[   13.323201][  T322]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.323206][  T322]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.323209][  T322]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.323214][  T322]  do_init_module (kernel/module/main.c:3117)
[   13.323218][  T322]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.323222][  T322]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.323226][  T322]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.323230][  T322]  load_module (kernel/module/main.c:3593)
[   13.323237][  T322]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.323241][  T322]  ? __ia32_sys_fsconfig (??:?)
[   13.323244][  T322]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   13.323247][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.323249][  T322]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.323252][  T322]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.323256][  T322]  init_module_from_file (kernel/module/main.c:3790)
[   13.323259][  T322]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.323268][  T322]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.323271][  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)
[   13.323274][  T322]  idempotent_init_module (kernel/module/main.c:3802)
[   13.323278][  T322]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.323284][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.323287][  T322]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.323293][  T322]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.323295][  T322]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.323298][  T322]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.323300][  T322]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.323303][  T322]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.323305][  T322] RIP: 0033:0x7f8c5285c37d
[   13.323309][  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
[   13.323310][  T322] RSP: 002b:00007fff012f1ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.323313][  T322] RAX: ffffffffffffffda RBX: 000055bae0f56810 RCX: 00007f8c5285c37d
[   13.323315][  T322] RDX: 0000000000000000 RSI: 000055baba06fffd RDI: 0000000000000000
[   13.323316][  T322] RBP: 00007fff012f1f70 R08: 0000000000000000 R09: 0000000000000000
[   13.323316][  T322] R10: 0000000000000000 R11: 0000000000000246 R12: 000055baba06fffd


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