======================================
| [   10.959353][  T206] softirqs last disabled at (25131): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.959356][  T206] Preemption disabled at:
| [   10.959356][  T206] 0x0
| [   10.959367][  T206] Tainted: [W]=WARN
[   10.959368][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.959369][  T206] Call Trace:
[   10.959371][  T206]  <TASK>
[   10.959373][  T206]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.959379][  T206]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.959384][  T206]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.959388][  T206]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.959393][  T206]  __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))
[   10.959395][  T206]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.959402][  T206]  ? 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)
[   10.959405][  T206]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.959409][  T206]  put_chars (drivers/char/virtio_console.c:1176)
[   10.959411][  T206]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.959412][  T206]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.959416][  T206]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.959422][  T206]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.959430][  T206]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.959433][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.959435][  T206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.959439][  T206]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.959444][  T206]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.959446][  T206]  ? 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))
[   10.959449][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.959451][  T206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.959455][  T206]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.959459][  T206]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.959461][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.959467][  T206]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.959470][  T206]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.959472][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.959474][  T206]  ? 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)
[   10.959478][  T206]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.959480][  T206]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.959482][  T206]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.959492][  T206]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.959495][  T206]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.959499][  T206]  _printk (kernel/printk/printk.c:2504)
[   10.959503][  T206]  ? snapshot_read.cold (user.c:?)
[   10.959505][  T206]  ? 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)
[   10.959508][  T206]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.959512][  T206]  ? 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)
[   10.959515][  T206]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.959519][  T206]  ? exit_notify (kernel/exit.c:780)
[   10.959521][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.959524][  T206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.959527][  T206]  do_group_exit (kernel/exit.c:1151)
[   10.959530][  T206]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.959532][  T206]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.959535][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.959539][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.959542][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.959544][  T206] RIP: 0033:0x7fdb284871b8
[   10.959546][  T206] Code: Unable to access opcode bytes at 0x7fdb2848718e.

Code starting with the faulting instruction
===========================================
[   10.959548][  T206] RSP: 002b:00007ffff4844788 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.959550][  T206] RAX: ffffffffffffffda RBX: 00007fdb285b7f88 RCX: 00007fdb284871b8
[   10.959551][  T206] RDX: 00007fdb281d1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.959552][  T206] RBP: 00007ffff48447e0 R08: 0000000000000000 R09: 0000000000000050
[   10.959553][  T206] R10: 00007ffff48445a0 R11: 0000000000000246 R12: 0000000000000001
[   10.959554][  T206] R13: 0000000000000000 R14: 00007fdb285b6680 R15: 00007fdb285b7fa0
| [   27.307590][  T319] softirqs last disabled at (21189): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.307593][  T319] Preemption disabled at:
| [   27.307593][  T319] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.307602][  T319] Tainted: [W]=WARN
[   27.307603][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.307605][  T319] Call Trace:
[   27.307606][  T319]  <TASK>
[   27.307608][  T319]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.307614][  T319]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.307616][  T319]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.307620][  T319]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.307624][  T319]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.307629][  T319]  __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))
[   27.307631][  T319]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.307637][  T319]  ? 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)
[   27.307640][  T319]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.307644][  T319]  put_chars (drivers/char/virtio_console.c:1176)
[   27.307646][  T319]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   27.307648][  T319]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.307651][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.307654][  T319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.307659][  T319]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.307663][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.307665][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.307669][  T319]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.307671][  T319]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   27.307674][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.307677][  T319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.307681][  T319]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.307685][  T319]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.307687][  T319]  ? 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))
[   27.307690][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.307692][  T319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.307696][  T319]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.307700][  T319]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.307702][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.307707][  T319]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.307710][  T319]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.307712][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.307714][  T319]  ? 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)
[   27.307717][  T319]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.307719][  T319]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.307722][  T319]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.307725][  T319]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.307730][  T319]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   27.307733][  T319]  _printk (kernel/printk/printk.c:2504)
[   27.307736][  T319]  ? snapshot_read.cold (user.c:?)
[   27.307742][  T319]  ? 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)
[   27.307746][  T319] gact_init_module (net/sched/act_gact.c:180) act_gact
[   27.307748][  T319]  do_one_initcall (init/main.c:1357)
[   27.307751][  T319]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   27.307756][  T319]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   27.307758][  T319]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   27.307764][  T319]  do_init_module (kernel/module/main.c:3117)
[   27.307767][  T319]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.307771][  T319]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   27.307774][  T319]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   27.307778][  T319]  load_module (kernel/module/main.c:3593)
[   27.307783][  T319]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   27.307788][  T319]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   27.307791][  T319]  ? __ia32_sys_fsconfig (??:?)
[   27.307795][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.307797][  T319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.307801][  T319]  init_module_from_file (kernel/module/main.c:3790)
[   27.307804][  T319]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   27.307811][  T319]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.307815][  T319]  ? 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)
[   27.307818][  T319]  idempotent_init_module (kernel/module/main.c:3802)
[   27.307821][  T319]  ? init_module_from_file (kernel/module/main.c:3791)
[   27.307826][  T319]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.307828][  T319]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   27.307833][  T319]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   27.307835][  T319]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.307839][  T319]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.307841][  T319]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.307844][  T319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.307846][  T319] RIP: 0033:0x7f89ed0da37d
[   27.307850][  T319] 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
[   27.307852][  T319] RSP: 002b:00007ffc9b0e7778 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   27.307854][  T319] RAX: ffffffffffffffda RBX: 000055990262c810 RCX: 00007f89ed0da37d
[   27.307856][  T319] RDX: 0000000000000000 RSI: 00005598ccd94ffd RDI: 0000000000000000
[   27.307857][  T319] RBP: 00007ffc9b0e7810 R08: 0000000000000000 R09: 0000000000000000
[   27.307857][  T319] R10: 0000000000000000 R11: 0000000000000246 R12: 00005598ccd94ffd
[   27.307858][  T319] R13: 000055990262c960 R14: 0000000000040000 R15: 0000000000000000
| [   43.698536][  T395] softirqs last disabled at (24418): neigh_forced_gc (./include/linux/spinlock.h:353 net/core/neighbour.c:265)
| [   43.698540][  T395] Preemption disabled at:
| [   43.698541][  T395] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.698552][  T395] Tainted: [W]=WARN
[   43.698554][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.698556][  T395] Call Trace:
[   43.698558][  T395]  <TASK>
[   43.698560][  T395]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.698567][  T395]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.698570][  T395]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.698575][  T395]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.698581][  T395]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.698588][  T395]  __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))
[   43.698591][  T395]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.698600][  T395]  ? 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)
[   43.698604][  T395]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.698610][  T395]  put_chars (drivers/char/virtio_console.c:1176)
[   43.698614][  T395]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.698619][  T395]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   43.698627][  T395]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.698633][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.698641][  T395]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.698647][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.698660][  T395]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.698666][  T395]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.698669][  T395]  ? 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))
[   43.698674][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.698677][  T395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.698684][  T395]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.698691][  T395]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.698694][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.698703][  T395]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.698708][  T395]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.698710][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.698713][  T395]  ? 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)
[   43.698720][  T395]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.698723][  T395]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.698727][  T395]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.698732][  T395]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.698736][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.698744][  T395]  _printk (kernel/printk/printk.c:2504)
[   43.698749][  T395]  ? snapshot_read.cold (user.c:?)
[   43.698751][  T395]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   43.698760][  T395]  ? idr_get_free (??:?)
[   43.698762][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.698769][  T395]  neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3))
[   43.698777][  T395]  ___neigh_create (net/core/neighbour.c:652)
[   43.698786][  T395]  neigh_add (net/core/neighbour.c:2129)
[   43.698789][  T395]  ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   43.698793][  T395]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   43.698797][  T395]  ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31))
[   43.698819][  T395]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   43.698824][  T395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.698826][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.698834][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.698837][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.698844][  T395]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.698848][  T395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.698853][  T395]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.698864][  T395]  ? 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))
[   43.698867][  T395]  ? 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))
[   43.698875][  T395]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.698882][  T395]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.698886][  T395]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   43.698888][  T395]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   43.698892][  T395]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   43.698900][  T395]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.698906][  T395]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.698913][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.698915][  T395]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   43.698924][  T395]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.698930][  T395]  ____sys_sendmsg (net/socket.c:2713)
[   43.698933][  T395]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.698937][  T395]  ? sock_write_iter (net/socket.c:1269)
[   43.698939][  T395]  ? move_addr_to_kernel (net/socket.c:258)
[   43.698952][  T395]  ___sys_sendmsg (net/socket.c:2767)
[   43.698956][  T395]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.698959][  T395]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   43.698987][  T395]  __sys_sendmsg (net/socket.c:2799)
[   43.698991][  T395]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.699001][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.699004][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.699009][  T395]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.699013][  T395]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.699017][  T395]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.699020][  T395] RIP: 0033:0x7f9cb0e7354e
[   43.699025][  T395] 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
[   43.699028][  T395] RSP: 002b:00007fff7d53de30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.699031][  T395] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cb0e7354e
[   43.699033][  T395] RDX: 0000000000000000 RSI: 00007fff7d53dee0 RDI: 0000000000000005
[   43.699035][  T395] RBP: 00007fff7d53de40 R08: 0000000000000000 R09: 0000000000000000
[   43.699036][  T395] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915807
[   43.699037][  T395] R13: 00000000004a1620 R14: 0000000000000000 R15: 0000000000000000
| [  105.886262][  T715] softirqs last disabled at (22226): neigh_forced_gc (./include/linux/spinlock.h:353 net/core/neighbour.c:265)
| [  105.886265][  T715] Preemption disabled at:
| [  105.886266][  T715] vprintk_emit (kernel/printk/printk.c:2471)
| [  105.886277][  T715] Tainted: [W]=WARN
[  105.886278][  T715] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.886280][  T715] Call Trace:
[  105.886282][  T715]  <TASK>
[  105.886284][  T715]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  105.886291][  T715]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  105.886294][  T715]  __might_resched.cold (kernel/sched/core.c:9234)
[  105.886299][  T715]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  105.886305][  T715]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  105.886311][  T715]  __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))
[  105.886313][  T715]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.886322][  T715]  ? 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)
[  105.886326][  T715]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.886331][  T715]  put_chars (drivers/char/virtio_console.c:1176)
[  105.886334][  T715]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  105.886336][  T715]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  105.886341][  T715]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  105.886344][  T715]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  105.886352][  T715]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  105.886356][  T715]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.886364][  T715]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  105.886369][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886376][  T715]  console_emit_next_record (kernel/printk/printk.c:3183)
[  105.886382][  T715]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  105.886384][  T715]  ? 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))
[  105.886389][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886391][  T715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.886397][  T715]  console_flush_one_record (kernel/printk/printk.c:3268)
[  105.886403][  T715]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  105.886406][  T715]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.886414][  T715]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  105.886418][  T715]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  105.886420][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886423][  T715]  ? 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)
[  105.886429][  T715]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  105.886431][  T715]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  105.886435][  T715]  vprintk_emit (kernel/printk/printk.c:2479)
[  105.886440][  T715]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  105.886443][  T715]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  105.886450][  T715]  _printk (kernel/printk/printk.c:2504)
[  105.886455][  T715]  ? snapshot_read.cold (user.c:?)
[  105.886457][  T715]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  105.886465][  T715]  ? idr_get_free (??:?)
[  105.886467][  T715]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  105.886474][  T715]  neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3))
[  105.886481][  T715]  ___neigh_create (net/core/neighbour.c:652)
[  105.886489][  T715]  neigh_add (net/core/neighbour.c:2129)
[  105.886493][  T715]  ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  105.886497][  T715]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  105.886500][  T715]  ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31))
[  105.886519][  T715]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  105.886523][  T715]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.886525][  T715]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  105.886532][  T715]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  105.886535][  T715]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  105.886541][  T715]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  105.886544][  T715]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.886549][  T715]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.886559][  T715]  ? 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))
[  105.886562][  T715]  ? 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))
[  105.886568][  T715]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.886574][  T715]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.886577][  T715]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  105.886580][  T715]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  105.886583][  T715]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  105.886590][  T715]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.886596][  T715]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  105.886601][  T715]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  105.886603][  T715]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  105.886611][  T715]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  105.886617][  T715]  ____sys_sendmsg (net/socket.c:2713)
[  105.886620][  T715]  ? copy_msghdr_from_user (net/socket.c:2650)
[  105.886623][  T715]  ? sock_write_iter (net/socket.c:1269)
[  105.886625][  T715]  ? move_addr_to_kernel (net/socket.c:258)
[  105.886636][  T715]  ___sys_sendmsg (net/socket.c:2767)
[  105.886640][  T715]  ? copy_msghdr_from_user (net/socket.c:2619)
[  105.886643][  T715]  ? kfree (mm/slub.c:6778 (discriminator 1))
[  105.886667][  T715]  __sys_sendmsg (net/socket.c:2799)
[  105.886672][  T715]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  105.886680][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886683][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886687][  T715]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.886691][  T715]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  105.886694][  T715]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.886697][  T715] RIP: 0033:0x7fc01751354e
[  105.886702][  T715] 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
[  105.886704][  T715] RSP: 002b:00007ffc14b0da50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  105.886707][  T715] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc01751354e
[  105.886709][  T715] RDX: 0000000000000000 RSI: 00007ffc14b0db00 RDI: 0000000000000005
[  105.886710][  T715] RBP: 00007ffc14b0da60 R08: 0000000000000000 R09: 0000000000000000
[  105.886711][  T715] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915846


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