======================================
| [    9.622175][  T205] softirqs last disabled at (22831): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.622177][  T205] Preemption disabled at:
| [    9.622178][  T205] 0x0
| [    9.622188][  T205] Tainted: [W]=WARN
[    9.622189][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.622190][  T205] Call Trace:
[    9.622192][  T205]  <TASK>
[    9.622194][  T205]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.622200][  T205]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.622204][  T205]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.622208][  T205]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.622212][  T205]  __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))
[    9.622214][  T205]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.622221][  T205]  ? 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)
[    9.622224][  T205]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.622228][  T205]  put_chars (drivers/char/virtio_console.c:1176)
[    9.622230][  T205]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.622231][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.622235][  T205]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.622240][  T205]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.622248][  T205]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.622251][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.622253][  T205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.622257][  T205]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.622261][  T205]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.622262][  T205]  ? 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))
[    9.622266][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.622267][  T205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.622271][  T205]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.622275][  T205]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.622277][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.622283][  T205]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.622285][  T205]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.622287][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.622289][  T205]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[    9.622292][  T205]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.622294][  T205]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.622297][  T205]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.622300][  T205]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.622303][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.622307][  T205]  _printk (kernel/printk/printk.c:2504)
[    9.622310][  T205]  ? snapshot_read.cold (user.c:?)
[    9.622313][  T205]  ? 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)
[    9.622315][  T205]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.622319][  T205]  ? 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)
[    9.622322][  T205]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.622326][  T205]  ? exit_notify (kernel/exit.c:780)
[    9.622327][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.622330][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.622333][  T205]  do_group_exit (kernel/exit.c:1151)
[    9.622336][  T205]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.622338][  T205]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.622340][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.622344][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.622347][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.622349][  T205] RIP: 0033:0x7f84c5bb41b8
[    9.622352][  T205] Code: Unable to access opcode bytes at 0x7f84c5bb418e.

Code starting with the faulting instruction
===========================================
[    9.622353][  T205] RSP: 002b:00007ffeca5b8978 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.622355][  T205] RAX: ffffffffffffffda RBX: 00007f84c5ce4f88 RCX: 00007f84c5bb41b8
[    9.622356][  T205] RDX: 00007f84c58fefc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.622357][  T205] RBP: 00007ffeca5b89d0 R08: 0000000000000000 R09: 0000000000000050
[    9.622358][  T205] R10: 00007ffeca5b8790 R11: 0000000000000246 R12: 0000000000000001
[    9.622359][  T205] R13: 0000000000000000 R14: 00007f84c5ce3680 R15: 00007f84c5ce4fa0
| [   25.606561][  T317] softirqs last disabled at (15469): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.606564][  T317] Preemption disabled at:
| [   25.606565][  T317] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.606573][  T317] Tainted: [W]=WARN
[   25.606574][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.606576][  T317] Call Trace:
[   25.606578][  T317]  <TASK>
[   25.606579][  T317]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.606591][  T317]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.606592][  T317]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.606597][  T317]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.606601][  T317]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.606606][  T317]  __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))
[   25.606608][  T317]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.606615][  T317]  ? 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)
[   25.606618][  T317]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.606621][  T317]  put_chars (drivers/char/virtio_console.c:1176)
[   25.606623][  T317]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   25.606626][  T317]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.606628][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.606632][  T317]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.606638][  T317]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.606643][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.606644][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.606649][  T317]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.606651][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.606654][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.606656][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.606660][  T317]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.606664][  T317]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.606666][  T317]  ? 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))
[   25.606670][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.606671][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.606675][  T317]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.606679][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.606681][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.606687][  T317]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.606690][  T317]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.606692][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.606693][  T317]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   25.606697][  T317]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.606699][  T317]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.606701][  T317]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.606705][  T317]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.606710][  T317]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   25.606713][  T317]  _printk (kernel/printk/printk.c:2504)
[   25.606717][  T317]  ? snapshot_read.cold (user.c:?)
[   25.606723][  T317]  ? 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)
[   25.606726][  T317] gact_init_module (net/sched/act_gact.c:180) act_gact
[   25.606728][  T317]  do_one_initcall (init/main.c:1357)
[   25.606731][  T317]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   25.606736][  T317]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   25.606738][  T317]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   25.606744][  T317]  do_init_module (kernel/module/main.c:3117)
[   25.606747][  T317]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.606751][  T317]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   25.606753][  T317]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   25.606757][  T317]  load_module (kernel/module/main.c:3593)
[   25.606762][  T317]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   25.606767][  T317]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   25.606770][  T317]  ? __ia32_sys_fsconfig (??:?)
[   25.606774][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.606776][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.606780][  T317]  init_module_from_file (kernel/module/main.c:3790)
[   25.606782][  T317]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   25.606790][  T317]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.606794][  T317]  ? 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)
[   25.606797][  T317]  idempotent_init_module (kernel/module/main.c:3802)
[   25.606799][  T317]  ? init_module_from_file (kernel/module/main.c:3791)
[   25.606805][  T317]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   25.606807][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   25.606812][  T317]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   25.606813][  T317]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.606817][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.606820][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.606823][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.606825][  T317] RIP: 0033:0x7f5e0810937d
[   25.606828][  T317] 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
[   25.606830][  T317] RSP: 002b:00007ffc15c855d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   25.606833][  T317] RAX: ffffffffffffffda RBX: 0000556c3009c810 RCX: 00007f5e0810937d
[   25.606835][  T317] RDX: 0000000000000000 RSI: 0000556bfeb3cffd RDI: 0000000000000000
[   25.606836][  T317] RBP: 00007ffc15c85670 R08: 0000000000000000 R09: 0000000000000000
[   25.606836][  T317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556bfeb3cffd
[   25.606837][  T317] R13: 0000556c3009c960 R14: 0000000000040000 R15: 0000000000000000
| [   41.656241][  T393] softirqs last disabled at (14437): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   41.656243][  T393] Preemption disabled at:
| [   41.656244][  T393] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.656252][  T393] Tainted: [W]=WARN
[   41.656253][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.656255][  T393] Call Trace:
[   41.656256][  T393]  <TASK>
[   41.656258][  T393]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.656264][  T393]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.656265][  T393]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.656270][  T393]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.656274][  T393]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.656278][  T393]  __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))
[   41.656280][  T393]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.656286][  T393]  ? 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)
[   41.656289][  T393]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.656293][  T393]  put_chars (drivers/char/virtio_console.c:1176)
[   41.656296][  T393]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.656299][  T393]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   41.656304][  T393]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.656308][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.656313][  T393]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.656316][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.656321][  T393]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.656325][  T393]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.656327][  T393]  ? 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))
[   41.656330][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.656332][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.656336][  T393]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.656340][  T393]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.656341][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.656343][  T393]  ? write_ibpb (arch/x86/entry/entry.S:25)
[   41.656349][  T393]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.656352][  T393]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.656354][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.656356][  T393]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   41.656359][  T393]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.656361][  T393]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.656364][  T393]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.656367][  T393]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.656369][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.656374][  T393]  _printk (kernel/printk/printk.c:2504)
[   41.656377][  T393]  ? snapshot_read.cold (user.c:?)
[   41.656379][  T393]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   41.656384][  T393]  ? idr_get_free (??:?)
[   41.656385][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.656390][  T393]  neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3))
[   41.656395][  T393]  ___neigh_create (net/core/neighbour.c:652)
[   41.656401][  T393]  neigh_add (net/core/neighbour.c:2129)
[   41.656403][  T393]  ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   41.656406][  T393]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   41.656408][  T393]  ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31))
[   41.656420][  T393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   41.656423][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.656424][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.656429][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.656431][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.656434][  T393]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.656438][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.656441][  T393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.656447][  T393]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   41.656449][  T393]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   41.656453][  T393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.656457][  T393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.656460][  T393]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   41.656462][  T393]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   41.656463][  T393]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   41.656468][  T393]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.656472][  T393]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.656475][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.656477][  T393]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   41.656483][  T393]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.656487][  T393]  ____sys_sendmsg (net/socket.c:2713)
[   41.656489][  T393]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.656491][  T393]  ? sock_write_iter (net/socket.c:1269)
[   41.656493][  T393]  ? move_addr_to_kernel (net/socket.c:258)
[   41.656500][  T393]  ___sys_sendmsg (net/socket.c:2767)
[   41.656503][  T393]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.656505][  T393]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   41.656520][  T393]  __sys_sendmsg (net/socket.c:2799)
[   41.656523][  T393]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.656528][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.656530][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.656533][  T393]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.656535][  T393]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.656537][  T393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.656540][  T393] RIP: 0033:0x7fcd7870154e
[   41.656543][  T393] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.656545][  T393] RSP: 002b:00007fff5dadc340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.656548][  T393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcd7870154e
[   41.656549][  T393] RDX: 0000000000000000 RSI: 00007fff5dadc3f0 RDI: 0000000000000005
[   41.656550][  T393] RBP: 00007fff5dadc350 R08: 0000000000000000 R09: 0000000000000000
[   41.656551][  T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916bb4
[   41.656552][  T393] R13: 00000000004a1620 R14: 0000000000000000 R15: 0000000000000000
| [  102.841475][  T713] softirqs last disabled at (20670): neigh_forced_gc (./include/linux/spinlock.h:353 net/core/neighbour.c:265)
| [  102.841477][  T713] Preemption disabled at:
| [  102.841478][  T713] vprintk_emit (kernel/printk/printk.c:2471)
| [  102.841486][  T713] Tainted: [W]=WARN
[  102.841487][  T713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.841489][  T713] Call Trace:
[  102.841491][  T713]  <TASK>
[  102.841492][  T713]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.841498][  T713]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  102.841500][  T713]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.841504][  T713]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.841508][  T713]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  102.841513][  T713]  __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))
[  102.841514][  T713]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.841521][  T713]  ? 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)
[  102.841524][  T713]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.841527][  T713]  put_chars (drivers/char/virtio_console.c:1176)
[  102.841530][  T713]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.841531][  T713]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  102.841535][  T713]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.841537][  T713]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  102.841542][  T713]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.841546][  T713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.841551][  T713]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.841554][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.841559][  T713]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.841563][  T713]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.841564][  T713]  ? 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))
[  102.841568][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.841569][  T713]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.841573][  T713]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.841578][  T713]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.841579][  T713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.841585][  T713]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.841588][  T713]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.841589][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.841591][  T713]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  102.841595][  T713]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.841596][  T713]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.841599][  T713]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.841602][  T713]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.841604][  T713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.841609][  T713]  _printk (kernel/printk/printk.c:2504)
[  102.841612][  T713]  ? snapshot_read.cold (user.c:?)
[  102.841614][  T713]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  102.841620][  T713]  ? idr_get_free (??:?)
[  102.841622][  T713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.841626][  T713]  neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3))
[  102.841631][  T713]  ___neigh_create (net/core/neighbour.c:652)
[  102.841639][  T713]  neigh_add (net/core/neighbour.c:2129)
[  102.841642][  T713]  ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  102.841645][  T713]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  102.841647][  T713]  ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31))
[  102.841659][  T713]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  102.841662][  T713]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.841664][  T713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.841668][  T713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.841670][  T713]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.841674][  T713]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.841677][  T713]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.841680][  T713]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.841686][  T713]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  102.841688][  T713]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  102.841693][  T713]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.841697][  T713]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.841699][  T713]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  102.841701][  T713]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  102.841703][  T713]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  102.841708][  T713]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.841712][  T713]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  102.841716][  T713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.841717][  T713]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  102.841723][  T713]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  102.841727][  T713]  ____sys_sendmsg (net/socket.c:2713)
[  102.841729][  T713]  ? copy_msghdr_from_user (net/socket.c:2650)
[  102.841731][  T713]  ? sock_write_iter (net/socket.c:1269)
[  102.841733][  T713]  ? move_addr_to_kernel (net/socket.c:258)
[  102.841740][  T713]  ___sys_sendmsg (net/socket.c:2767)
[  102.841743][  T713]  ? copy_msghdr_from_user (net/socket.c:2619)
[  102.841744][  T713]  ? kfree (mm/slub.c:6778 (discriminator 1))
[  102.841760][  T713]  __sys_sendmsg (net/socket.c:2799)
[  102.841763][  T713]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  102.841768][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.841770][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.841773][  T713]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.841775][  T713]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  102.841778][  T713]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.841780][  T713] RIP: 0033:0x7fa3f977554e
[  102.841784][  T713] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  102.841786][  T713] RSP: 002b:00007ffe25b97e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.841789][  T713] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3f977554e
[  102.841790][  T713] RDX: 0000000000000000 RSI: 00007ffe25b97eb0 RDI: 0000000000000005
[  102.841791][  T713] RBP: 00007ffe25b97e10 R08: 0000000000000000 R09: 0000000000000000
[  102.841792][  T713] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916bf1


Finger prints:
neigh_forced_gc:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars