======================================
| [    9.297977][  T200] softirqs last disabled at (25328): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.297980][  T200] Preemption disabled at:
| [    9.297980][  T200] 0x0
| [    9.297991][  T200] Tainted: [W]=WARN
[    9.297992][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.297994][  T200] Call Trace:
[    9.297996][  T200]  <TASK>
[    9.297997][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.298004][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.298009][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.298013][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.298017][  T200]  __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))
[    9.298019][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.298026][  T200]  ? 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)
[    9.298029][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.298033][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[    9.298035][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.298036][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.298040][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.298046][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.298053][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.298056][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.298058][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.298062][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.298066][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.298068][  T200]  ? 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))
[    9.298072][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.298073][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.298078][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.298082][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.298084][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.298089][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.298092][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.298094][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.298101][  T200]  ? 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)
[    9.298105][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.298107][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.298110][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.298113][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.298116][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.298120][  T200]  _printk (kernel/printk/printk.c:2504)
[    9.298123][  T200]  ? snapshot_read.cold (user.c:?)
[    9.298126][  T200]  ? 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)
[    9.298129][  T200]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.298134][  T200]  ? 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)
[    9.298138][  T200]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.298144][  T200]  ? exit_notify (kernel/exit.c:780)
[    9.298146][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.298149][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.298153][  T200]  do_group_exit (kernel/exit.c:1151)
[    9.298156][  T200]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.298158][  T200]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.298160][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.298164][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.298167][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.298169][  T200] RIP: 0033:0x7f65499fd1b8
[    9.298171][  T200] Code: Unable to access opcode bytes at 0x7f65499fd18e.

Code starting with the faulting instruction
===========================================
[    9.298172][  T200] RSP: 002b:00007ffc47e7f068 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.298175][  T200] RAX: ffffffffffffffda RBX: 00007f6549b2df88 RCX: 00007f65499fd1b8
[    9.298176][  T200] RDX: 00007f6549747fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.298177][  T200] RBP: 00007ffc47e7f0c0 R08: 0000000000000000 R09: 0000000000000050
[    9.298178][  T200] R10: 00007ffc47e7ee80 R11: 0000000000000246 R12: 0000000000000001
[    9.298179][  T200] R13: 0000000000000000 R14: 00007f6549b2c680 R15: 00007f6549b2dfa0
| [   25.370879][  T317] softirqs last disabled at (29729): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.370881][  T317] Preemption disabled at:
| [   25.370882][  T317] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.370890][  T317] Tainted: [W]=WARN
[   25.370891][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.370893][  T317] Call Trace:
[   25.370895][  T317]  <TASK>
[   25.370896][  T317]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.370902][  T317]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.370904][  T317]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.370908][  T317]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.370912][  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)
[   25.370916][  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))
[   25.370918][  T317]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.370925][  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)
[   25.370928][  T317]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.370931][  T317]  put_chars (drivers/char/virtio_console.c:1176)
[   25.370933][  T317]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   25.370935][  T317]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.370938][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.370941][  T317]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.370945][  T317]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.370949][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.370951][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.370955][  T317]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.370957][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.370960][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.370963][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.370967][  T317]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.370970][  T317]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.370972][  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))
[   25.370976][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.370977][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.370981][  T317]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.370985][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.370987][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.370992][  T317]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.370995][  T317]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.370997][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.370999][  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)
[   25.371002][  T317]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.371004][  T317]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.371007][  T317]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.371010][  T317]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.371015][  T317]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   25.371018][  T317]  _printk (kernel/printk/printk.c:2504)
[   25.371021][  T317]  ? snapshot_read.cold (user.c:?)
[   25.371027][  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)
[   25.371031][  T317] gact_init_module (net/sched/act_gact.c:180) act_gact
[   25.371033][  T317]  do_one_initcall (init/main.c:1357)
[   25.371036][  T317]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   25.371041][  T317]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   25.371043][  T317]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   25.371048][  T317]  do_init_module (kernel/module/main.c:3117)
[   25.371051][  T317]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.371055][  T317]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   25.371058][  T317]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   25.371061][  T317]  load_module (kernel/module/main.c:3593)
[   25.371066][  T317]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   25.371071][  T317]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   25.371074][  T317]  ? __ia32_sys_fsconfig (??:?)
[   25.371079][  T317]  ? backing_file_read_iter (fs/backing-file.c:211)
[   25.371082][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.371086][  T317]  init_module_from_file (kernel/module/main.c:3790)
[   25.371089][  T317]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   25.371096][  T317]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.371100][  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)
[   25.371103][  T317]  idempotent_init_module (kernel/module/main.c:3802)
[   25.371106][  T317]  ? init_module_from_file (kernel/module/main.c:3791)
[   25.371115][  T317]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   25.371117][  T317]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   25.371122][  T317]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   25.371124][  T317]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.371128][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.371131][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.371134][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.371136][  T317] RIP: 0033:0x7f7f4992537d
[   25.371139][  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
[   25.371141][  T317] RSP: 002b:00007ffce73e6ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   25.371144][  T317] RAX: ffffffffffffffda RBX: 0000562885309810 RCX: 00007f7f4992537d
[   25.371145][  T317] RDX: 0000000000000000 RSI: 000056286d580ffd RDI: 0000000000000000
[   25.371146][  T317] RBP: 00007ffce73e6f40 R08: 0000000000000000 R09: 0000000000000000
[   25.371147][  T317] R10: 0000000000000000 R11: 0000000000000246 R12: 000056286d580ffd
[   25.371147][  T317] R13: 0000562885309960 R14: 0000000000040000 R15: 0000000000000000
| [   41.417039][  T393] softirqs last disabled at (17668): neigh_forced_gc (./include/linux/spinlock.h:353 net/core/neighbour.c:265)
| [   41.417041][  T393] Preemption disabled at:
| [   41.417042][  T393] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.417051][  T393] Tainted: [W]=WARN
[   41.417052][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.417053][  T393] Call Trace:
[   41.417054][  T393]  <TASK>
[   41.417056][  T393]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.417062][  T393]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.417063][  T393]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.417068][  T393]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.417072][  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)
[   41.417076][  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))
[   41.417078][  T393]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.417085][  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)
[   41.417087][  T393]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.417091][  T393]  put_chars (drivers/char/virtio_console.c:1176)
[   41.417093][  T393]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.417096][  T393]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   41.417101][  T393]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.417105][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.417110][  T393]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.417113][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.417118][  T393]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.417122][  T393]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.417124][  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))
[   41.417127][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.417129][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.417132][  T393]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.417136][  T393]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.417138][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.417143][  T393]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.417146][  T393]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.417148][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.417150][  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)
[   41.417153][  T393]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.417155][  T393]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.417158][  T393]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.417160][  T393]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.417162][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.417167][  T393]  _printk (kernel/printk/printk.c:2504)
[   41.417170][  T393]  ? snapshot_read.cold (user.c:?)
[   41.417172][  T393]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   41.417178][  T393]  ? idr_get_free (??:?)
[   41.417179][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.417183][  T393]  neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3))
[   41.417189][  T393]  ___neigh_create (net/core/neighbour.c:652)
[   41.417194][  T393]  neigh_add (net/core/neighbour.c:2129)
[   41.417196][  T393]  ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   41.417199][  T393]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   41.417201][  T393]  ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31))
[   41.417217][  T393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   41.417220][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.417222][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.417226][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.417228][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.417232][  T393]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.417235][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.417238][  T393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.417244][  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))
[   41.417246][  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))
[   41.417250][  T393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.417254][  T393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.417256][  T393]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   41.417258][  T393]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   41.417260][  T393]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   41.417265][  T393]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.417269][  T393]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.417273][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.417275][  T393]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   41.417280][  T393]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.417284][  T393]  ____sys_sendmsg (net/socket.c:2713)
[   41.417286][  T393]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.417288][  T393]  ? sock_write_iter (net/socket.c:1269)
[   41.417290][  T393]  ? move_addr_to_kernel (net/socket.c:258)
[   41.417297][  T393]  ___sys_sendmsg (net/socket.c:2767)
[   41.417300][  T393]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.417301][  T393]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   41.417316][  T393]  __sys_sendmsg (net/socket.c:2799)
[   41.417319][  T393]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.417325][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.417326][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.417329][  T393]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.417332][  T393]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.417334][  T393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.417336][  T393] RIP: 0033:0x7f75426d154e
[   41.417340][  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
[   41.417342][  T393] RSP: 002b:00007ffe9eb5a7e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.417344][  T393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f75426d154e
[   41.417346][  T393] RDX: 0000000000000000 RSI: 00007ffe9eb5a890 RDI: 0000000000000005
[   41.417347][  T393] RBP: 00007ffe9eb5a7f0 R08: 0000000000000000 R09: 0000000000000000
[   41.417347][  T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec23
[   41.417348][  T393] R13: 00000000004a1620 R14: 0000000000000000 R15: 0000000000000000
| [  102.374421][  T713] softirqs last disabled at (26324): neigh_forced_gc (./include/linux/spinlock.h:353 net/core/neighbour.c:265)
| [  102.374427][  T713] Preemption disabled at:
| [  102.374428][  T713] vprintk_emit (kernel/printk/printk.c:2471)
| [  102.374436][  T713] Tainted: [W]=WARN
[  102.374437][  T713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.374439][  T713] Call Trace:
[  102.374440][  T713]  <TASK>
[  102.374442][  T713]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.374447][  T713]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  102.374449][  T713]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.374454][  T713]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.374458][  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)
[  102.374462][  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))
[  102.374464][  T713]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.374470][  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)
[  102.374473][  T713]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.374477][  T713]  put_chars (drivers/char/virtio_console.c:1176)
[  102.374479][  T713]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.374480][  T713]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  102.374484][  T713]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.374486][  T713]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  102.374491][  T713]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.374495][  T713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.374500][  T713]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.374503][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.374507][  T713]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.374511][  T713]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.374513][  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))
[  102.374516][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.374518][  T713]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.374522][  T713]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.374526][  T713]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.374528][  T713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.374533][  T713]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.374538][  T713]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.374540][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.374541][  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)
[  102.374545][  T713]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.374547][  T713]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.374549][  T713]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.374552][  T713]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.374555][  T713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.374559][  T713]  _printk (kernel/printk/printk.c:2504)
[  102.374563][  T713]  ? snapshot_read.cold (user.c:?)
[  102.374564][  T713]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  102.374570][  T713]  ? idr_get_free (??:?)
[  102.374572][  T713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.374576][  T713]  neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3))
[  102.374581][  T713]  ___neigh_create (net/core/neighbour.c:652)
[  102.374586][  T713]  neigh_add (net/core/neighbour.c:2129)
[  102.374588][  T713]  ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  102.374591][  T713]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  102.374593][  T713]  ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31))
[  102.374604][  T713]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  102.374607][  T713]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.374609][  T713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.374613][  T713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.374615][  T713]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.374619][  T713]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.374621][  T713]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.374624][  T713]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.374631][  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))
[  102.374632][  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))
[  102.374637][  T713]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.374641][  T713]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.374643][  T713]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  102.374645][  T713]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  102.374647][  T713]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  102.374651][  T713]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.374655][  T713]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  102.374659][  T713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.374660][  T713]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  102.374666][  T713]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  102.374670][  T713]  ____sys_sendmsg (net/socket.c:2713)
[  102.374672][  T713]  ? copy_msghdr_from_user (net/socket.c:2650)
[  102.374674][  T713]  ? sock_write_iter (net/socket.c:1269)
[  102.374676][  T713]  ? move_addr_to_kernel (net/socket.c:258)
[  102.374683][  T713]  ___sys_sendmsg (net/socket.c:2767)
[  102.374686][  T713]  ? copy_msghdr_from_user (net/socket.c:2619)
[  102.374687][  T713]  ? kfree (mm/slub.c:6778 (discriminator 1))
[  102.374702][  T713]  __sys_sendmsg (net/socket.c:2799)
[  102.374705][  T713]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  102.374710][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.374712][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.374715][  T713]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.374717][  T713]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  102.374720][  T713]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.374722][  T713] RIP: 0033:0x7fb3412ea54e
[  102.374726][  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
[  102.374727][  T713] RSP: 002b:00007ffd2e5d61e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.374730][  T713] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3412ea54e
[  102.374731][  T713] RDX: 0000000000000000 RSI: 00007ffd2e5d6290 RDI: 0000000000000005
[  102.374732][  T713] RBP: 00007ffd2e5d61f0 R08: 0000000000000000 R09: 0000000000000000
[  102.374733][  T713] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ec60


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