======================================
| [   10.388616][  T238] softirqs last disabled at (33676): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.388619][  T238] Preemption disabled at:
| [   10.388620][  T238] 0x0
| [   10.388629][  T238] Tainted: [W]=WARN
[   10.388630][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.388632][  T238] Call Trace:
[   10.388633][  T238]  <TASK>
[   10.388635][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.388641][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.388646][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.388650][  T238]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.388654][  T238]  __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))
[   10.388656][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.388662][  T238]  ? 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)
[   10.388665][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.388669][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   10.388671][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.388672][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.388676][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.388681][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.388689][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.388692][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.388694][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.388698][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.388702][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.388703][  T238]  ? 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))
[   10.388707][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.388708][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.388712][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.388716][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.388718][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.388724][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.388726][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.388728][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.388730][  T238]  ? 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)
[   10.388733][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.388735][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.388738][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.388741][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.388744][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.388748][  T238]  _printk (kernel/printk/printk.c:2504)
[   10.388751][  T238]  ? snapshot_read.cold (user.c:?)
[   10.388754][  T238]  ? 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)
[   10.388757][  T238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.388760][  T238]  ? 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)
[   10.388763][  T238]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.388767][  T238]  ? exit_notify (kernel/exit.c:780)
[   10.388768][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.388771][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.388775][  T238]  do_group_exit (kernel/exit.c:1151)
[   10.388777][  T238]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.388779][  T238]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.388782][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.388786][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.388789][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.388791][  T238] RIP: 0033:0x7f2d967911b8
[   10.388793][  T238] Code: Unable to access opcode bytes at 0x7f2d9679118e.

Code starting with the faulting instruction
===========================================
[   10.388794][  T238] RSP: 002b:00007ffe5939bfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.388797][  T238] RAX: ffffffffffffffda RBX: 00007f2d968c1f88 RCX: 00007f2d967911b8
[   10.388798][  T238] RDX: 00007f2d964dbfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.388799][  T238] RBP: 00007ffe5939c030 R08: 0000000000000000 R09: 0000000000008010
[   10.388800][  T238] R10: 00007ffe5939bdf0 R11: 0000000000000246 R12: 0000000000000001
[   10.388801][  T238] R13: 0000000000000000 R14: 00007f2d968c0680 R15: 00007f2d968c1fa0
| [   11.468533][  T277] softirqs last disabled at (17265): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.468535][  T277] Preemption disabled at:
| [   11.468536][  T277] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.468544][  T277] Tainted: [W]=WARN
[   11.468545][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.468546][  T277] Call Trace:
[   11.468548][  T277]  <TASK>
[   11.468549][  T277]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.468555][  T277]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.468557][  T277]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.468561][  T277]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.468565][  T277]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.468569][  T277]  __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))
[   11.468571][  T277]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.468577][  T277]  ? 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)
[   11.468580][  T277]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.468584][  T277]  put_chars (drivers/char/virtio_console.c:1176)
[   11.468586][  T277]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.468587][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.468591][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.468594][  T277]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.468598][  T277]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.468602][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.468609][  T277]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.468612][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.468617][  T277]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.468621][  T277]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.468622][  T277]  ? 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))
[   11.468626][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.468627][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.468631][  T277]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.468635][  T277]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.468637][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.468642][  T277]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.468645][  T277]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.468647][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.468648][  T277]  ? 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)
[   11.468652][  T277]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.468654][  T277]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.468656][  T277]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.468660][  T277]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.468665][  T277]  ? l2tp_exit (./include/linux/perf_event.h:1597 (discriminator 1) ./net/l2tp/./trace.h:27 (discriminator 1) ./net/l2tp/./trace.h:27 (discriminator 1)) l2tp_core
[   11.468669][  T277]  _printk (kernel/printk/printk.c:2504)
[   11.468673][  T277]  ? snapshot_read.cold (user.c:?)
[   11.468679][  T277]  ? 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)
[   11.468682][  T277] l2tp_ip6_init (net/l2tp/l2tp_ip6.c:273) l2tp_ip6
[   11.468685][  T277]  do_one_initcall (init/main.c:1357)
[   11.468688][  T277]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.468692][  T277]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.468695][  T277]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.468700][  T277]  do_init_module (kernel/module/main.c:3117)
[   11.468703][  T277]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.468707][  T277]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.468710][  T277]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.468713][  T277]  load_module (kernel/module/main.c:3593)
[   11.468718][  T277]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   11.468723][  T277]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.468726][  T277]  ? __ia32_sys_fsconfig (??:?)
[   11.468730][  T277]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.468733][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.468737][  T277]  init_module_from_file (kernel/module/main.c:3790)
[   11.468739][  T277]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.468746][  T277]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.468750][  T277]  ? 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)
[   11.468753][  T277]  idempotent_init_module (kernel/module/main.c:3802)
[   11.468756][  T277]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.468761][  T277]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.468763][  T277]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   11.468768][  T277]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.468770][  T277]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.468774][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.468776][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.468779][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.468781][  T277] RIP: 0033:0x7f29703ed37d
[   11.468785][  T277] 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
[   11.468786][  T277] RSP: 002b:00007fff19062de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.468789][  T277] RAX: ffffffffffffffda RBX: 000055f85c476810 RCX: 00007f29703ed37d
[   11.468790][  T277] RDX: 0000000000000000 RSI: 000055f84fb4affd RDI: 0000000000000000
[   11.468791][  T277] RBP: 00007fff19062e80 R08: 0000000000000000 R09: 0000000000000000
[   11.468792][  T277] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f84fb4affd


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