======================================
| [   10.294969][  T195] softirqs last disabled at (31626): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.294971][  T195] Preemption disabled at:
| [   10.294972][  T195] 0x0
| [   10.294982][  T195] Tainted: [W]=WARN
[   10.294983][  T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.294985][  T195] Call Trace:
[   10.294987][  T195]  <TASK>
[   10.294988][  T195]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.294994][  T195]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.294999][  T195]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.295003][  T195]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.295008][  T195]  __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))
[   10.295010][  T195]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.295016][  T195]  ? 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)
[   10.295019][  T195]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.295022][  T195]  put_chars (drivers/char/virtio_console.c:1176)
[   10.295025][  T195]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.295026][  T195]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.295031][  T195]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.295036][  T195]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.295042][  T195]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.295044][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.295047][  T195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.295051][  T195]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.295054][  T195]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.295056][  T195]  ? 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))
[   10.295059][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.295062][  T195]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.295067][  T195]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.295072][  T195]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.295073][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.295079][  T195]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.295081][  T195]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.295083][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.295086][  T195]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.295089][  T195]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.295091][  T195]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.295094][  T195]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.295098][  T195]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.295102][  T195]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.295105][  T195]  _printk (kernel/printk/printk.c:2504)
[   10.295109][  T195]  ? snapshot_read.cold (user.c:?)
[   10.295112][  T195]  ? 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)
[   10.295115][  T195]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.295118][  T195]  ? 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)
[   10.295121][  T195]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.295125][  T195]  ? exit_notify (kernel/exit.c:780)
[   10.295127][  T195]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.295129][  T195]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.295133][  T195]  do_group_exit (kernel/exit.c:1151)
[   10.295136][  T195]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.295138][  T195]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.295140][  T195]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.295143][  T195]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.295146][  T195]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.295149][  T195] RIP: 0033:0x7effc40321b8
[   10.295151][  T195] Code: Unable to access opcode bytes at 0x7effc403218e.

Code starting with the faulting instruction
===========================================
[   10.295152][  T195] RSP: 002b:00007ffdf8e104f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.295155][  T195] RAX: ffffffffffffffda RBX: 00007effc4162f88 RCX: 00007effc40321b8
[   10.295156][  T195] RDX: 00007effc3d7cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.295157][  T195] RBP: 00007ffdf8e10550 R08: 0000000000000000 R09: 0000000000008010
[   10.295158][  T195] R10: 00007ffdf8e10310 R11: 0000000000000246 R12: 0000000000000001
[   10.295159][  T195] R13: 0000000000000000 R14: 00007effc4161680 R15: 00007effc4162fa0
| [   12.167630][  T270] softirqs last disabled at (25943): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.167632][  T270] Preemption disabled at:
| [   12.167633][  T270] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.167643][  T270] Tainted: [W]=WARN
[   12.167643][  T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.167645][  T270] Call Trace:
[   12.167647][  T270]  <TASK>
[   12.167649][  T270]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.167654][  T270]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.167656][  T270]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.167660][  T270]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.167664][  T270]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.167669][  T270]  __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))
[   12.167671][  T270]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.167677][  T270]  ? 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)
[   12.167680][  T270]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.167683][  T270]  put_chars (drivers/char/virtio_console.c:1176)
[   12.167686][  T270]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.167687][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.167692][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.167694][  T270]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.167699][  T270]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.167701][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.167706][  T270]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.167709][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.167714][  T270]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.167718][  T270]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.167720][  T270]  ? 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))
[   12.167723][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.167725][  T270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.167729][  T270]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.167733][  T270]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.167735][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.167740][  T270]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.167743][  T270]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.167744][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.167747][  T270]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.167750][  T270]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.167752][  T270]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.167755][  T270]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.167759][  T270]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.167765][  T270]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   12.167769][  T270]  _printk (kernel/printk/printk.c:2504)
[   12.167772][  T270]  ? snapshot_read.cold (user.c:?)
[   12.167778][  T270]  ? 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)
[   12.167781][  T270] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   12.167784][  T270]  do_one_initcall (init/main.c:1357)
[   12.167787][  T270]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.167792][  T270]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.167795][  T270]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.167799][  T270]  do_init_module (kernel/module/main.c:3117)
[   12.167803][  T270]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.167807][  T270]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.167811][  T270]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.167815][  T270]  load_module (kernel/module/main.c:3593)
[   12.167822][  T270]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.167826][  T270]  ? __ia32_sys_fsconfig (??:?)
[   12.167829][  T270]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   12.167833][  T270]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.167836][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.167840][  T270]  init_module_from_file (kernel/module/main.c:3790)
[   12.167843][  T270]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.167851][  T270]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.167855][  T270]  ? 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)
[   12.167858][  T270]  idempotent_init_module (kernel/module/main.c:3802)
[   12.167862][  T270]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.167868][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.167870][  T270]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.167876][  T270]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.167878][  T270]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.167882][  T270]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.167884][  T270]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.167886][  T270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.167889][  T270] RIP: 0033:0x7fc7801a637d
[   12.167897][  T270] 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
[   12.167899][  T270] RSP: 002b:00007ffff1497508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.167902][  T270] RAX: ffffffffffffffda RBX: 000055b6ae287810 RCX: 00007fc7801a637d
[   12.167903][  T270] RDX: 0000000000000000 RSI: 000055b69f5e9ffd RDI: 0000000000000000
[   12.167904][  T270] RBP: 00007ffff14975a0 R08: 0000000000000000 R09: 0000000000000000
[   12.167905][  T270] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b69f5e9ffd


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