======================================
| [    9.782664][  T208] softirqs last disabled at (31933): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.782667][  T208] Preemption disabled at:
| [    9.782667][  T208] 0x0
| [    9.782678][  T208] Tainted: [W]=WARN
[    9.782679][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.782681][  T208] Call Trace:
[    9.782682][  T208]  <TASK>
[    9.782684][  T208]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.782691][  T208]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.782695][  T208]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.782699][  T208]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.782705][  T208]  __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))
[    9.782707][  T208]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.782713][  T208]  ? 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)
[    9.782716][  T208]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.782719][  T208]  put_chars (drivers/char/virtio_console.c:1176)
[    9.782722][  T208]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.782724][  T208]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.782729][  T208]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.782734][  T208]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.782741][  T208]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.782743][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.782745][  T208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.782750][  T208]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.782754][  T208]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.782756][  T208]  ? 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))
[    9.782759][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.782761][  T208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.782765][  T208]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.782770][  T208]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.782772][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.782777][  T208]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.782780][  T208]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.782782][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.782785][  T208]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.782788][  T208]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.782790][  T208]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.782794][  T208]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.782797][  T208]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.782801][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.782805][  T208]  _printk (kernel/printk/printk.c:2504)
[    9.782809][  T208]  ? snapshot_read.cold (user.c:?)
[    9.782812][  T208]  ? 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)
[    9.782814][  T208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.782818][  T208]  ? 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)
[    9.782821][  T208]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.782825][  T208]  ? exit_notify (kernel/exit.c:780)
[    9.782827][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.782830][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.782834][  T208]  do_group_exit (kernel/exit.c:1151)
[    9.782837][  T208]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.782839][  T208]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.782841][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.782844][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.782848][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.782850][  T208] RIP: 0033:0x7fd6299651b8
[    9.782852][  T208] Code: Unable to access opcode bytes at 0x7fd62996518e.

Code starting with the faulting instruction
===========================================
[    9.782853][  T208] RSP: 002b:00007ffdaa71b738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.782856][  T208] RAX: ffffffffffffffda RBX: 00007fd629a95f88 RCX: 00007fd6299651b8
[    9.782857][  T208] RDX: 00007fd6296affc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.782858][  T208] RBP: 00007ffdaa71b790 R08: 0000000000000000 R09: 0000000000008010
[    9.782859][  T208] R10: 00007ffdaa71b550 R11: 0000000000000246 R12: 0000000000000001
[    9.782860][  T208] R13: 0000000000000000 R14: 00007fd629a94680 R15: 00007fd629a95fa0
| [   11.513973][  T264] softirqs last disabled at (37205): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.513975][  T264] Preemption disabled at:
| [   11.513976][  T264] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.513985][  T264] Tainted: [W]=WARN
[   11.513986][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.513988][  T264] Call Trace:
[   11.513990][  T264]  <TASK>
[   11.513991][  T264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.513997][  T264]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.513999][  T264]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.514004][  T264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.514008][  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)
[   11.514013][  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))
[   11.514015][  T264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.514021][  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)
[   11.514024][  T264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.514027][  T264]  put_chars (drivers/char/virtio_console.c:1176)
[   11.514029][  T264]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.514031][  T264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.514034][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.514037][  T264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.514041][  T264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.514044][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.514046][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.514050][  T264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.514051][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.514055][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.514058][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.514062][  T264]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.514066][  T264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.514067][  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))
[   11.514070][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.514073][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.514077][  T264]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.514081][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.514083][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.514088][  T264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.514091][  T264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.514092][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.514095][  T264]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.514098][  T264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.514100][  T264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.514103][  T264]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.514107][  T264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.514113][  T264]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   11.514116][  T264]  _printk (kernel/printk/printk.c:2504)
[   11.514119][  T264]  ? snapshot_read.cold (user.c:?)
[   11.514125][  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)
[   11.514128][  T264] gre_init (gre.mod.c:?) gre
[   11.514131][  T264]  do_one_initcall (init/main.c:1357)
[   11.514133][  T264]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.514138][  T264]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.514141][  T264]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.514146][  T264]  do_init_module (kernel/module/main.c:3117)
[   11.514149][  T264]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.514154][  T264]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.514157][  T264]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.514161][  T264]  load_module (kernel/module/main.c:3593)
[   11.514168][  T264]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.514173][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.514175][  T264]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.514178][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.514182][  T264]  init_module_from_file (kernel/module/main.c:3790)
[   11.514185][  T264]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.514193][  T264]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.514196][  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)
[   11.514199][  T264]  idempotent_init_module (kernel/module/main.c:3802)
[   11.514203][  T264]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.514209][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.514211][  T264]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.514217][  T264]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.514220][  T264]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.514223][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.514225][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.514228][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.514230][  T264] RIP: 0033:0x7fcfc017c37d
[   11.514233][  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
[   11.514235][  T264] RSP: 002b:00007fffe0821ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.514238][  T264] RAX: ffffffffffffffda RBX: 000056420c479d30 RCX: 00007fcfc017c37d
[   11.514239][  T264] RDX: 0000000000000000 RSI: 00005641de075ffd RDI: 0000000000000000
[   11.514240][  T264] RBP: 00007fffe0821f90 R08: 0000000000000000 R09: 0000000000000000
[   11.514241][  T264] R10: 0000000000000000 R11: 0000000000000246 R12: 00005641de075ffd
[   11.514242][  T264] R13: 000056420c479cf0 R14: 0000000000040000 R15: 0000000000000000
| [   11.632196][   T68]  #10: ffffffff89c89560 (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))
| [   11.632200][   T68]
| [   11.632200][   T68] stack backtrace:
| [   11.632206][   T68] Tainted: [W]=WARN
[   11.632207][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.632208][   T68] Workqueue: ipv6_addrconf addrconf_dad_work
[   11.632212][   T68] Call Trace:
[   11.632214][   T68]  <TASK>
[   11.632215][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.632222][   T68]  lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938)
[   11.632227][   T68]  __might_resched (kernel/sched/core.c:9196 (discriminator 9))
[   11.632232][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.632235][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.632240][   T68]  __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))
[   11.632242][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.632248][   T68]  ? 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)
[   11.632251][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.632254][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   11.632256][   T68]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.632259][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.632262][   T68]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.632267][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.632274][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.632276][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.632280][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.632285][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.632288][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.632290][   T68]  ? 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))
[   11.632294][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.632296][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.632300][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.632305][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.632307][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.632312][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.632315][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.632317][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.632320][   T68]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.632323][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.632325][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.632329][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.632333][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.632336][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.632341][   T68]  _printk (kernel/printk/printk.c:2504)
[   11.632344][   T68]  ? snapshot_read.cold (user.c:?)
[   11.632346][   T68]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   11.632352][   T68]  ? idr_get_free (??:?)
[   11.632357][   T68] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel
[   11.632362][   T68] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre
[   11.632367][   T68]  ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre
[   11.632369][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.632372][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.632375][   T68]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.632378][   T68]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.632380][   T68]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   11.632388][   T68]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   11.632391][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.632395][   T68]  __dev_queue_xmit (net/core/dev.c:4926)
[   11.632398][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.632400][   T68]  ? 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))
[   11.632405][   T68]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   11.632407][   T68]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.632410][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.632412][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.632414][   T68]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.632417][   T68]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.632420][   T68]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.632423][   T68]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.632427][   T68]  ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721)
[   11.632435][   T68]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   11.632440][   T68]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   11.632442][   T68]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.632445][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.632448][   T68]  ? 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))
[   11.632452][   T68]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   11.632456][   T68]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   11.632459][   T68]  ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1))
[   11.632461][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.632463][   T68]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.632466][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.632468][   T68]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   11.632472][   T68]  ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4))
[   11.632484][   T68]  ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7))
[   11.632491][   T68]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.632496][   T68]  addrconf_dad_completed (net/ipv6/addrconf.c:4396)
[   11.632499][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.632502][   T68]  ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11))
[   11.632504][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.632506][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.632508][   T68]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.632512][   T68]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   11.632514][   T68]  addrconf_dad_begin (net/ipv6/addrconf.c:4158)
[   11.632516][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.632519][   T68]  ? addrconf_dad_completed (net/ipv6/addrconf.c:4402)
[   11.632522][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.632523][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.632526][   T68]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.632530][   T68]  addrconf_dad_work (net/ipv6/addrconf.c:4263)
[   11.632534][   T68]  ? addrconf_dad_begin (net/ipv6/addrconf.c:4180)
[   11.632538][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.632539][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.632542][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.632543][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.632548][   T68]  process_one_work (kernel/workqueue.c:3387)
[   11.632554][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   11.632557][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.632565][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   11.632570][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.632572][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.632574][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.632577][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.632579][   T68]  kthread (kernel/kthread.c:436)
[   11.632581][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.632584][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.632587][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.632591][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   11.632594][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.632598][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.632600][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.331543][  T327] softirqs last disabled at (24015): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.331546][  T327] Preemption disabled at:
| [   13.331547][  T327] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.331557][  T327] Tainted: [W]=WARN
[   13.331558][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.331560][  T327] Call Trace:
[   13.331561][  T327]  <TASK>
[   13.331563][  T327]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.331569][  T327]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.331571][  T327]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.331575][  T327]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.331579][  T327]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.331584][  T327]  __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))
[   13.331587][  T327]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.331593][  T327]  ? 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)
[   13.331595][  T327]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.331598][  T327]  put_chars (drivers/char/virtio_console.c:1176)
[   13.331601][  T327]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.331604][  T327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.331608][  T327]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.331612][  T327]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.331615][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.331617][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.331621][  T327]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.331623][  T327]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.331626][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.331629][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.331633][  T327]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.331637][  T327]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.331639][  T327]  ? 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))
[   13.331642][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.331644][  T327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.331648][  T327]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.331652][  T327]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.331654][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.331660][  T327]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.331663][  T327]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.331664][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.331667][  T327]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.331670][  T327]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.331672][  T327]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.331676][  T327]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.331680][  T327]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.331686][  T327]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   13.331688][  T327]  _printk (kernel/printk/printk.c:2504)
[   13.331692][  T327]  ? snapshot_read.cold (user.c:?)
[   13.331698][  T327]  ? 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)
[   13.331701][  T327] gact_init_module (net/sched/act_gact.c:180) act_gact
[   13.331704][  T327]  do_one_initcall (init/main.c:1357)
[   13.331706][  T327]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.331711][  T327]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.331714][  T327]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.331719][  T327]  do_init_module (kernel/module/main.c:3117)
[   13.331723][  T327]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.331727][  T327]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.331730][  T327]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.331735][  T327]  load_module (kernel/module/main.c:3593)
[   13.331742][  T327]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.331746][  T327]  ? __ia32_sys_fsconfig (??:?)
[   13.331749][  T327]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   13.331753][  T327]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.331756][  T327]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.331760][  T327]  init_module_from_file (kernel/module/main.c:3790)
[   13.331763][  T327]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.331771][  T327]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.331775][  T327]  ? 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)
[   13.331778][  T327]  idempotent_init_module (kernel/module/main.c:3802)
[   13.331782][  T327]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.331788][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.331791][  T327]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.331797][  T327]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.331799][  T327]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.331803][  T327]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.331805][  T327]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.331807][  T327]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.331810][  T327] RIP: 0033:0x7f7ff9c3237d
[   13.331813][  T327] 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
[   13.331815][  T327] RSP: 002b:00007fffd52234a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.331818][  T327] RAX: ffffffffffffffda RBX: 0000557e0582f810 RCX: 00007f7ff9c3237d
[   13.331819][  T327] RDX: 0000000000000000 RSI: 0000557dcf6b7ffd RDI: 0000000000000000
[   13.331820][  T327] RBP: 00007fffd5223540 R08: 0000000000000000 R09: 0000000000000000
[   13.331821][  T327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557dcf6b7ffd
[   13.331822][  T327] R13: 0000557e0582f960 R14: 0000000000040000 R15: 0000000000000000
| [  158.501724][ T4242] softirqs last disabled at (12529): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  158.501726][ T4242] Preemption disabled at:
| [  158.501727][ T4242] 0x0
| [  158.501738][ T4242] Tainted: [W]=WARN
[  158.501739][ T4242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  158.501741][ T4242] Call Trace:
[  158.501743][ T4242]  <TASK>
[  158.501744][ T4242]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  158.501751][ T4242]  __might_resched.cold (kernel/sched/core.c:9234)
[  158.501756][ T4242]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  158.501760][ T4242]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  158.501766][ T4242]  __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))
[  158.501768][ T4242]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  158.501774][ T4242]  ? 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)
[  158.501777][ T4242]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  158.501780][ T4242]  put_chars (drivers/char/virtio_console.c:1176)
[  158.501783][ T4242]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  158.501784][ T4242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  158.501789][ T4242]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  158.501795][ T4242]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  158.501801][ T4242]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  158.501804][ T4242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  158.501806][ T4242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  158.501810][ T4242]  console_emit_next_record (kernel/printk/printk.c:3183)
[  158.501814][ T4242]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  158.501816][ T4242]  ? 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))
[  158.501819][ T4242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  158.501822][ T4242]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  158.501826][ T4242]  console_flush_one_record (kernel/printk/printk.c:3268)
[  158.501830][ T4242]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  158.501832][ T4242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  158.501837][ T4242]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  158.501840][ T4242]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  158.501842][ T4242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  158.501845][ T4242]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  158.501848][ T4242]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  158.501850][ T4242]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  158.501853][ T4242]  vprintk_emit (kernel/printk/printk.c:2479)
[  158.501857][ T4242]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  158.501861][ T4242]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  158.501865][ T4242]  _printk (kernel/printk/printk.c:2504)
[  158.501869][ T4242]  ? snapshot_read.cold (user.c:?)
[  158.501871][ T4242]  ? 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)
[  158.501874][ T4242]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  158.501878][ T4242]  ? 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)
[  158.501881][ T4242]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[  158.501885][ T4242]  ? exit_notify (kernel/exit.c:780)
[  158.501887][ T4242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  158.501889][ T4242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  158.501894][ T4242]  do_group_exit (kernel/exit.c:1151)
[  158.501897][ T4242]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[  158.501899][ T4242]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[  158.501902][ T4242]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  158.501905][ T4242]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  158.501908][ T4242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  158.501911][ T4242] RIP: 0033:0x7f8ba15ed1b8
[  158.501913][ T4242] Code: Unable to access opcode bytes at 0x7f8ba15ed18e.

Code starting with the faulting instruction
===========================================
[  158.501914][ T4242] RSP: 002b:00007fff86ef8ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  158.501917][ T4242] RAX: ffffffffffffffda RBX: 00007f8ba171df88 RCX: 00007f8ba15ed1b8
[  158.501918][ T4242] RDX: 00007f8ba137e7c8 RSI: ffffffffffffffb0 RDI: 0000000000000000
[  158.501920][ T4242] RBP: 00007fff86ef8b40 R08: 0000000000000000 R09: 0000000000001010
[  158.501921][ T4242] R10: 00007fff86ef8960 R11: 0000000000000246 R12: 0000000000000002


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