======================================
| [   10.784422][  T201] softirqs last disabled at (30853): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.784425][  T201] Preemption disabled at:
| [   10.784425][  T201] 0x0
| [   10.784436][  T201] Tainted: [W]=WARN
[   10.784437][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.784439][  T201] Call Trace:
[   10.784441][  T201]  <TASK>
[   10.784443][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.784449][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.784454][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.784458][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.784462][  T201]  __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))
[   10.784464][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.784471][  T201]  ? 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)
[   10.784474][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.784478][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   10.784480][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.784482][  T201]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.784485][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.784491][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.784498][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.784501][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.784503][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.784507][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.784511][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.784513][  T201]  ? 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))
[   10.784516][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.784518][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.784522][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.784526][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.784528][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.784533][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.784536][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.784538][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.784540][  T201]  ? 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)
[   10.784543][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.784545][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.784548][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.784551][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.784554][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.784558][  T201]  _printk (kernel/printk/printk.c:2504)
[   10.784561][  T201]  ? snapshot_read.cold (user.c:?)
[   10.784564][  T201]  ? 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)
[   10.784567][  T201]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.784571][  T201]  ? 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)
[   10.784573][  T201]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.784577][  T201]  ? exit_notify (kernel/exit.c:780)
[   10.784579][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.784581][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.784585][  T201]  do_group_exit (kernel/exit.c:1151)
[   10.784588][  T201]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.784590][  T201]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.784592][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.784596][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.784599][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.784602][  T201] RIP: 0033:0x7f06e8f111b8
[   10.784604][  T201] Code: Unable to access opcode bytes at 0x7f06e8f1118e.

Code starting with the faulting instruction
===========================================
[   10.784605][  T201] RSP: 002b:00007fff5540cd08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.784612][  T201] RAX: ffffffffffffffda RBX: 00007f06e9041f88 RCX: 00007f06e8f111b8
[   10.784613][  T201] RDX: 00007f06e8c5bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.784614][  T201] RBP: 00007fff5540cd60 R08: 0000000000000000 R09: 0000000000000050
[   10.784615][  T201] R10: 00007fff5540cb20 R11: 0000000000000246 R12: 0000000000000001
[   10.784616][  T201] R13: 0000000000000000 R14: 00007f06e9040680 R15: 00007f06e9041fa0
| [   27.355640][  T319] softirqs last disabled at (15015): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.355643][  T319] Preemption disabled at:
| [   27.355643][  T319] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.355652][  T319] Tainted: [W]=WARN
[   27.355653][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.355654][  T319] Call Trace:
[   27.355656][  T319]  <TASK>
[   27.355657][  T319]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.355663][  T319]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.355668][  T319]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.355673][  T319]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.355677][  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)
[   27.355682][  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))
[   27.355683][  T319]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.355690][  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)
[   27.355693][  T319]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.355697][  T319]  put_chars (drivers/char/virtio_console.c:1176)
[   27.355698][  T319]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   27.355701][  T319]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.355704][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.355707][  T319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.355711][  T319]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.355715][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.355717][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.355722][  T319]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.355723][  T319]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   27.355727][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.355729][  T319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.355733][  T319]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.355736][  T319]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.355738][  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))
[   27.355742][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.355743][  T319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.355747][  T319]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.355751][  T319]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.355753][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.355758][  T319]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.355761][  T319]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.355763][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.355765][  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)
[   27.355768][  T319]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.355770][  T319]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.355772][  T319]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.355776][  T319]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.355781][  T319]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   27.355783][  T319]  _printk (kernel/printk/printk.c:2504)
[   27.355787][  T319]  ? snapshot_read.cold (user.c:?)
[   27.355793][  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)
[   27.355796][  T319] gact_init_module (net/sched/act_gact.c:180) act_gact
[   27.355799][  T319]  do_one_initcall (init/main.c:1357)
[   27.355802][  T319]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   27.355806][  T319]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   27.355809][  T319]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   27.355814][  T319]  do_init_module (kernel/module/main.c:3117)
[   27.355817][  T319]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.355821][  T319]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   27.355824][  T319]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   27.355827][  T319]  load_module (kernel/module/main.c:3593)
[   27.355832][  T319]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   27.355837][  T319]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   27.355840][  T319]  ? __ia32_sys_fsconfig (??:?)
[   27.355844][  T319]  ? backing_file_read_iter (fs/backing-file.c:211)
[   27.355848][  T319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.355851][  T319]  init_module_from_file (kernel/module/main.c:3790)
[   27.355854][  T319]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   27.355861][  T319]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.355865][  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)
[   27.355868][  T319]  idempotent_init_module (kernel/module/main.c:3802)
[   27.355871][  T319]  ? init_module_from_file (kernel/module/main.c:3791)
[   27.355876][  T319]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.355878][  T319]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   27.355884][  T319]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   27.355885][  T319]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.355889][  T319]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.355892][  T319]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.355895][  T319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.355897][  T319] RIP: 0033:0x7ff70e96437d
[   27.355900][  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
[   27.355902][  T319] RSP: 002b:00007ffce92b4d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   27.355904][  T319] RAX: ffffffffffffffda RBX: 0000562c5858a810 RCX: 00007ff70e96437d
[   27.355905][  T319] RDX: 0000000000000000 RSI: 0000562c455cdffd RDI: 0000000000000000
[   27.355906][  T319] RBP: 00007ffce92b4e20 R08: 0000000000000000 R09: 0000000000000000
[   27.355907][  T319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562c455cdffd
[   27.355908][  T319] R13: 0000562c5858a960 R14: 0000000000040000 R15: 0000000000000000
| [   43.613356][  T395] softirqs last disabled at (23128): neigh_forced_gc (./include/linux/spinlock.h:353 net/core/neighbour.c:265)
| [   43.613359][  T395] Preemption disabled at:
| [   43.613359][  T395] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.613368][  T395] Tainted: [W]=WARN
[   43.613369][  T395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.613371][  T395] Call Trace:
[   43.613372][  T395]  <TASK>
[   43.613374][  T395]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.613380][  T395]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.613382][  T395]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.613387][  T395]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.613391][  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)
[   43.613396][  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))
[   43.613398][  T395]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.613405][  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)
[   43.613408][  T395]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.613412][  T395]  put_chars (drivers/char/virtio_console.c:1176)
[   43.613414][  T395]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.613418][  T395]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   43.613423][  T395]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.613427][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.613432][  T395]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.613436][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.613441][  T395]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.613445][  T395]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.613447][  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))
[   43.613450][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.613452][  T395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.613456][  T395]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.613461][  T395]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.613463][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.613468][  T395]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.613471][  T395]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.613473][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.613475][  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)
[   43.613479][  T395]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.613481][  T395]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.613484][  T395]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.613487][  T395]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.613489][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.613494][  T395]  _printk (kernel/printk/printk.c:2504)
[   43.613498][  T395]  ? snapshot_read.cold (user.c:?)
[   43.613499][  T395]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   43.613506][  T395]  ? idr_get_free (??:?)
[   43.613507][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.613512][  T395]  neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3))
[   43.613517][  T395]  ___neigh_create (net/core/neighbour.c:652)
[   43.613523][  T395]  neigh_add (net/core/neighbour.c:2129)
[   43.613525][  T395]  ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   43.613528][  T395]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   43.613531][  T395]  ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31))
[   43.613543][  T395]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   43.613546][  T395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.613548][  T395]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.613553][  T395]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.613555][  T395]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.613559][  T395]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.613562][  T395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.613565][  T395]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.613572][  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))
[   43.613574][  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))
[   43.613579][  T395]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.613583][  T395]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.613585][  T395]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   43.613587][  T395]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   43.613590][  T395]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   43.613595][  T395]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.613599][  T395]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.613603][  T395]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.613605][  T395]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   43.613610][  T395]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.613615][  T395]  ____sys_sendmsg (net/socket.c:2713)
[   43.613617][  T395]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.613620][  T395]  ? sock_write_iter (net/socket.c:1269)
[   43.613621][  T395]  ? move_addr_to_kernel (net/socket.c:258)
[   43.613629][  T395]  ___sys_sendmsg (net/socket.c:2767)
[   43.613632][  T395]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.613634][  T395]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   43.613647][  T395]  ? kasan_check_range (mm/kasan/generic.c:98 (discriminator 1) mm/kasan/generic.c:115 (discriminator 1) mm/kasan/generic.c:140 (discriminator 1) mm/kasan/generic.c:172 (discriminator 1) mm/kasan/generic.c:191 (discriminator 1) mm/kasan/generic.c:200 (discriminator 1))
[   43.613653][  T395]  __sys_sendmsg (net/socket.c:2799)
[   43.613656][  T395]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.613662][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.613664][  T395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.613667][  T395]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.613670][  T395]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.613673][  T395]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.613677][  T395] RIP: 0033:0x7f7ebb94d54e
[   43.613682][  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
[   43.613684][  T395] RSP: 002b:00007fff0f2a3eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.613686][  T395] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ebb94d54e
[   43.613688][  T395] RDX: 0000000000000000 RSI: 00007fff0f2a3f60 RDI: 0000000000000005
[   43.613689][  T395] RBP: 00007fff0f2a3ec0 R08: 0000000000000000 R09: 0000000000000000
[   43.613689][  T395] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910302
[   43.613690][  T395] R13: 00000000004a1620 R14: 0000000000000000 R15: 0000000000000000
| [  106.428950][  T716] softirqs last disabled at (25426): neigh_forced_gc (./include/linux/spinlock.h:353 net/core/neighbour.c:265)
| [  106.428953][  T716] Preemption disabled at:
| [  106.428953][  T716] vprintk_emit (kernel/printk/printk.c:2471)
| [  106.428962][  T716] Tainted: [W]=WARN
[  106.428963][  T716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.428965][  T716] Call Trace:
[  106.428966][  T716]  <TASK>
[  106.428968][  T716]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  106.428975][  T716]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  106.428976][  T716]  __might_resched.cold (kernel/sched/core.c:9234)
[  106.428981][  T716]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  106.428985][  T716]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  106.428990][  T716]  __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))
[  106.428992][  T716]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  106.428998][  T716]  ? 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)
[  106.429001][  T716]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  106.429006][  T716]  put_chars (drivers/char/virtio_console.c:1176)
[  106.429008][  T716]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  106.429010][  T716]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  106.429013][  T716]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.429016][  T716]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  106.429021][  T716]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  106.429025][  T716]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  106.429031][  T716]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  106.429034][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.429039][  T716]  console_emit_next_record (kernel/printk/printk.c:3183)
[  106.429043][  T716]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  106.429045][  T716]  ? 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))
[  106.429048][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.429050][  T716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.429054][  T716]  console_flush_one_record (kernel/printk/printk.c:3268)
[  106.429059][  T716]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  106.429061][  T716]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  106.429066][  T716]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  106.429071][  T716]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  106.429073][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.429075][  T716]  ? 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)
[  106.429079][  T716]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  106.429081][  T716]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  106.429083][  T716]  vprintk_emit (kernel/printk/printk.c:2479)
[  106.429087][  T716]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  106.429089][  T716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  106.429094][  T716]  _printk (kernel/printk/printk.c:2504)
[  106.429097][  T716]  ? snapshot_read.cold (user.c:?)
[  106.429099][  T716]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  106.429105][  T716]  ? idr_get_free (??:?)
[  106.429107][  T716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  106.429112][  T716]  neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3))
[  106.429117][  T716]  ___neigh_create (net/core/neighbour.c:652)
[  106.429123][  T716]  neigh_add (net/core/neighbour.c:2129)
[  106.429125][  T716]  ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  106.429129][  T716]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  106.429131][  T716]  ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31))
[  106.429143][  T716]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  106.429146][  T716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.429148][  T716]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  106.429153][  T716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  106.429155][  T716]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  106.429159][  T716]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  106.429162][  T716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.429165][  T716]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.429172][  T716]  ? 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))
[  106.429174][  T716]  ? 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))
[  106.429178][  T716]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.429182][  T716]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.429185][  T716]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  106.429187][  T716]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  106.429189][  T716]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  106.429194][  T716]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  106.429198][  T716]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  106.429202][  T716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  106.429204][  T716]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  106.429210][  T716]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  106.429215][  T716]  ____sys_sendmsg (net/socket.c:2713)
[  106.429217][  T716]  ? copy_msghdr_from_user (net/socket.c:2650)
[  106.429219][  T716]  ? sock_write_iter (net/socket.c:1269)
[  106.429221][  T716]  ? move_addr_to_kernel (net/socket.c:258)
[  106.429229][  T716]  ___sys_sendmsg (net/socket.c:2767)
[  106.429232][  T716]  ? copy_msghdr_from_user (net/socket.c:2619)
[  106.429233][  T716]  ? kfree (mm/slub.c:6778 (discriminator 1))
[  106.429249][  T716]  __sys_sendmsg (net/socket.c:2799)
[  106.429252][  T716]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  106.429258][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.429260][  T716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.429263][  T716]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  106.429265][  T716]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  106.429268][  T716]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.429270][  T716] RIP: 0033:0x7fbe6251954e
[  106.429274][  T716] 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
[  106.429276][  T716] RSP: 002b:00007ffc7e747290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.429279][  T716] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbe6251954e
[  106.429280][  T716] RDX: 0000000000000000 RSI: 00007ffc7e747340 RDI: 0000000000000005
[  106.429281][  T716] RBP: 00007ffc7e7472a0 R08: 0000000000000000 R09: 0000000000000000
[  106.429282][  T716] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910341


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