======================================
| [   25.675511][  T318] softirqs last disabled at (13197): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.675513][  T318] Preemption disabled at:
| [   25.675514][  T318] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.675523][  T318] Tainted: [W]=WARN
[   25.675524][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.675525][  T318] Call Trace:
[   25.675526][  T318]  <TASK>
[   25.675528][  T318]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.675534][  T318]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.675536][  T318]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.675540][  T318]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.675544][  T318]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.675549][  T318]  __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))
[   25.675551][  T318]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.675558][  T318]  ? 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)
[   25.675560][  T318]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.675564][  T318]  put_chars (drivers/char/virtio_console.c:1176)
[   25.675566][  T318]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   25.675569][  T318]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.675572][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.675575][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.675580][  T318]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.675583][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.675585][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.675590][  T318]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.675592][  T318]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.675595][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.675598][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.675602][  T318]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.675606][  T318]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.675608][  T318]  ? 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))
[   25.675611][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.675613][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.675617][  T318]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.675621][  T318]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.675623][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.675628][  T318]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.675631][  T318]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.675633][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.675635][  T318]  ? 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)
[   25.675639][  T318]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.675641][  T318]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.675643][  T318]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.675647][  T318]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.675652][  T318]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   25.675655][  T318]  _printk (kernel/printk/printk.c:2504)
[   25.675659][  T318]  ? snapshot_read.cold (user.c:?)
[   25.675665][  T318]  ? 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)
[   25.675669][  T318] gact_init_module (net/sched/act_gact.c:180) act_gact
[   25.675671][  T318]  do_one_initcall (init/main.c:1357)
[   25.675674][  T318]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   25.675680][  T318]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   25.675683][  T318]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   25.675688][  T318]  do_init_module (kernel/module/main.c:3117)
[   25.675691][  T318]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.675696][  T318]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   25.675698][  T318]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   25.675702][  T318]  load_module (kernel/module/main.c:3593)
[   25.675707][  T318]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   25.675712][  T318]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   25.675715][  T318]  ? __ia32_sys_fsconfig (??:?)
[   25.675719][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.675721][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.675725][  T318]  init_module_from_file (kernel/module/main.c:3790)
[   25.675727][  T318]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   25.675735][  T318]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.675739][  T318]  ? 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)
[   25.675742][  T318]  idempotent_init_module (kernel/module/main.c:3802)
[   25.675744][  T318]  ? init_module_from_file (kernel/module/main.c:3791)
[   25.675750][  T318]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   25.675752][  T318]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   25.675757][  T318]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   25.675758][  T318]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.675762][  T318]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.675766][  T318]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.675769][  T318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.675771][  T318] RIP: 0033:0x7f2839ab837d
[   25.675774][  T318] 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
[   25.675776][  T318] RSP: 002b:00007ffe38126b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   25.675778][  T318] RAX: ffffffffffffffda RBX: 00005557abc29810 RCX: 00007f2839ab837d
[   25.675779][  T318] RDX: 0000000000000000 RSI: 0000555793fabffd RDI: 0000000000000000
[   25.675780][  T318] RBP: 00007ffe38126c20 R08: 0000000000000000 R09: 0000000000000000
[   25.675781][  T318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555793fabffd
[   25.675782][  T318] R13: 00005557abc29960 R14: 0000000000040000 R15: 0000000000000000
| [   41.775544][  T393] softirqs last disabled at (13520): neigh_forced_gc (./include/linux/spinlock.h:353 net/core/neighbour.c:265)
| [   41.775547][  T393] Preemption disabled at:
| [   41.775548][  T393] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.775556][  T393] Tainted: [W]=WARN
[   41.775557][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.775558][  T393] Call Trace:
[   41.775560][  T393]  <TASK>
[   41.775561][  T393]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.775567][  T393]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.775569][  T393]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.775574][  T393]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.775578][  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)
[   41.775582][  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))
[   41.775584][  T393]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.775590][  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)
[   41.775593][  T393]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.775596][  T393]  put_chars (drivers/char/virtio_console.c:1176)
[   41.775599][  T393]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.775602][  T393]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   41.775607][  T393]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.775611][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.775616][  T393]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.775619][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.775625][  T393]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.775628][  T393]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.775630][  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))
[   41.775633][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.775635][  T393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.775639][  T393]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.775643][  T393]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.775645][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.775650][  T393]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.775653][  T393]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.775655][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.775657][  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)
[   41.775660][  T393]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.775662][  T393]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.775665][  T393]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.775668][  T393]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.775670][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.775674][  T393]  _printk (kernel/printk/printk.c:2504)
[   41.775680][  T393]  ? snapshot_read.cold (user.c:?)
[   41.775682][  T393]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   41.775688][  T393]  ? idr_get_free (??:?)
[   41.775689][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.775694][  T393]  neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3))
[   41.775699][  T393]  ___neigh_create (net/core/neighbour.c:652)
[   41.775704][  T393]  neigh_add (net/core/neighbour.c:2129)
[   41.775706][  T393]  ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   41.775709][  T393]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   41.775711][  T393]  ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31))
[   41.775724][  T393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   41.775727][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.775728][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.775733][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.775735][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.775738][  T393]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.775742][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.775745][  T393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.775751][  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))
[   41.775753][  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))
[   41.775758][  T393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.775762][  T393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.775764][  T393]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   41.775766][  T393]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   41.775768][  T393]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   41.775773][  T393]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.775777][  T393]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.775781][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.775783][  T393]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   41.775788][  T393]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.775792][  T393]  ____sys_sendmsg (net/socket.c:2713)
[   41.775794][  T393]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.775796][  T393]  ? sock_write_iter (net/socket.c:1269)
[   41.775798][  T393]  ? move_addr_to_kernel (net/socket.c:258)
[   41.775806][  T393]  ___sys_sendmsg (net/socket.c:2767)
[   41.775808][  T393]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.775810][  T393]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   41.775825][  T393]  __sys_sendmsg (net/socket.c:2799)
[   41.775828][  T393]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.775834][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.775836][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.775839][  T393]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.775841][  T393]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.775844][  T393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.775846][  T393] RIP: 0033:0x7fa7359ad54e
[   41.775849][  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
[   41.775851][  T393] RSP: 002b:00007ffd13ab6a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.775854][  T393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7359ad54e
[   41.775855][  T393] RDX: 0000000000000000 RSI: 00007ffd13ab6ac0 RDI: 0000000000000005
[   41.775856][  T393] RBP: 00007ffd13ab6a20 R08: 0000000000000000 R09: 0000000000000000
[   41.775856][  T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919411
[   41.775857][  T393] R13: 00000000004a1620 R14: 0000000000000000 R15: 0000000000000000
| [  103.060639][  T713] softirqs last disabled at (17096): neigh_forced_gc (./include/linux/spinlock.h:353 net/core/neighbour.c:265)
| [  103.060641][  T713] Preemption disabled at:
| [  103.060642][  T713] vprintk_emit (kernel/printk/printk.c:2471)
| [  103.060650][  T713] Tainted: [W]=WARN
[  103.060651][  T713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.060653][  T713] Call Trace:
[  103.060654][  T713]  <TASK>
[  103.060655][  T713]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  103.060662][  T713]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  103.060663][  T713]  __might_resched.cold (kernel/sched/core.c:9234)
[  103.060668][  T713]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  103.060672][  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)
[  103.060678][  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))
[  103.060680][  T713]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  103.060686][  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)
[  103.060689][  T713]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  103.060693][  T713]  put_chars (drivers/char/virtio_console.c:1176)
[  103.060695][  T713]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  103.060696][  T713]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  103.060700][  T713]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  103.060703][  T713]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  103.060708][  T713]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  103.060712][  T713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  103.060717][  T713]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  103.060720][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.060725][  T713]  console_emit_next_record (kernel/printk/printk.c:3183)
[  103.060729][  T713]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  103.060731][  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))
[  103.060734][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.060736][  T713]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.060740][  T713]  console_flush_one_record (kernel/printk/printk.c:3268)
[  103.060744][  T713]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  103.060746][  T713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  103.060751][  T713]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  103.060754][  T713]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  103.060756][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.060758][  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)
[  103.060761][  T713]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  103.060763][  T713]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  103.060766][  T713]  vprintk_emit (kernel/printk/printk.c:2479)
[  103.060769][  T713]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  103.060771][  T713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  103.060776][  T713]  _printk (kernel/printk/printk.c:2504)
[  103.060780][  T713]  ? snapshot_read.cold (user.c:?)
[  103.060781][  T713]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  103.060787][  T713]  ? idr_get_free (??:?)
[  103.060789][  T713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  103.060793][  T713]  neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3))
[  103.060798][  T713]  ___neigh_create (net/core/neighbour.c:652)
[  103.060804][  T713]  neigh_add (net/core/neighbour.c:2129)
[  103.060806][  T713]  ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  103.060809][  T713]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  103.060811][  T713]  ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31))
[  103.060823][  T713]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  103.060826][  T713]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  103.060827][  T713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  103.060832][  T713]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  103.060834][  T713]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  103.060838][  T713]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  103.060841][  T713]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  103.060844][  T713]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  103.060850][  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))
[  103.060852][  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))
[  103.060857][  T713]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  103.060861][  T713]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  103.060863][  T713]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  103.060865][  T713]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  103.060867][  T713]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  103.060872][  T713]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  103.060876][  T713]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  103.060880][  T713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  103.060882][  T713]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  103.060887][  T713]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  103.060891][  T713]  ____sys_sendmsg (net/socket.c:2713)
[  103.060894][  T713]  ? copy_msghdr_from_user (net/socket.c:2650)
[  103.060896][  T713]  ? sock_write_iter (net/socket.c:1269)
[  103.060897][  T713]  ? move_addr_to_kernel (net/socket.c:258)
[  103.060905][  T713]  ___sys_sendmsg (net/socket.c:2767)
[  103.060908][  T713]  ? copy_msghdr_from_user (net/socket.c:2619)
[  103.060909][  T713]  ? kfree (mm/slub.c:6778 (discriminator 1))
[  103.060925][  T713]  __sys_sendmsg (net/socket.c:2799)
[  103.060928][  T713]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  103.060933][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.060935][  T713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.060938][  T713]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  103.060941][  T713]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  103.060943][  T713]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  103.060945][  T713] RIP: 0033:0x7eff9757154e
[  103.060949][  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
[  103.060951][  T713] RSP: 002b:00007ffcbe5abda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  103.060953][  T713] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007eff9757154e
[  103.060955][  T713] RDX: 0000000000000000 RSI: 00007ffcbe5abe50 RDI: 0000000000000005
[  103.060956][  T713] RBP: 00007ffcbe5abdb0 R08: 0000000000000000 R09: 0000000000000000
[  103.060956][  T713] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91944e


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