======================================
| [   10.476179][  T188] softirqs last disabled at (33974): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.476181][  T188] Preemption disabled at:
| [   10.476182][  T188] 0x0
| [   10.476193][  T188] Tainted: [W]=WARN
[   10.476193][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.476195][  T188] Call Trace:
[   10.476197][  T188]  <TASK>
[   10.476198][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.476205][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.476210][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.476214][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.476219][  T188]  __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))
[   10.476222][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.476228][  T188]  ? 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)
[   10.476230][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.476234][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[   10.476237][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.476238][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.476243][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.476248][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.476254][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.476256][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.476259][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.476263][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.476267][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.476268][  T188]  ? 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))
[   10.476272][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.476274][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.476278][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.476282][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.476284][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.476289][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.476292][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.476294][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.476296][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.476300][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.476302][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.476305][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.476309][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.476313][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.476316][  T188]  _printk (kernel/printk/printk.c:2504)
[   10.476320][  T188]  ? snapshot_read.cold (user.c:?)
[   10.476323][  T188]  ? 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)
[   10.476326][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.476330][  T188]  ? 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)
[   10.476332][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.476336][  T188]  ? exit_notify (kernel/exit.c:780)
[   10.476338][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.476340][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.476345][  T188]  do_group_exit (kernel/exit.c:1151)
[   10.476347][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.476349][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.476351][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.476354][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.476357][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.476360][  T188] RIP: 0033:0x7feb2944a1b8
[   10.476362][  T188] Code: Unable to access opcode bytes at 0x7feb2944a18e.

Code starting with the faulting instruction
===========================================
[   10.476363][  T188] RSP: 002b:00007ffd4b29e4d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.476366][  T188] RAX: ffffffffffffffda RBX: 00007feb2957af88 RCX: 00007feb2944a1b8
[   10.476367][  T188] RDX: 00007feb29194fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.476368][  T188] RBP: 00007ffd4b29e530 R08: 0000000000000000 R09: 0000000000008010
[   10.476369][  T188] R10: 00007ffd4b29e2f0 R11: 0000000000000246 R12: 0000000000000001
[   10.476370][  T188] R13: 0000000000000000 R14: 00007feb29579680 R15: 00007feb2957afa0
| [   18.171562][  T314] softirqs last disabled at (32001): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.171564][  T314] Preemption disabled at:
| [   18.171565][  T314] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.171574][  T314] Tainted: [W]=WARN
[   18.171575][  T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.171577][  T314] Call Trace:
[   18.171578][  T314]  <TASK>
[   18.171580][  T314]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.171585][  T314]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.171587][  T314]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.171592][  T314]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.171596][  T314]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.171602][  T314]  __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))
[   18.171604][  T314]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.171610][  T314]  ? 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)
[   18.171613][  T314]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.171616][  T314]  put_chars (drivers/char/virtio_console.c:1176)
[   18.171618][  T314]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   18.171620][  T314]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.171623][  T314]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.171627][  T314]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.171631][  T314]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.171634][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.171635][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.171640][  T314]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.171641][  T314]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.171645][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.171648][  T314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.171652][  T314]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.171656][  T314]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.171657][  T314]  ? 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))
[   18.171661][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.171663][  T314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.171667][  T314]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.171671][  T314]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.171673][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.171678][  T314]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.171681][  T314]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.171683][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.171685][  T314]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.171689][  T314]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.171691][  T314]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.171694][  T314]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.171698][  T314]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.171704][  T314]  ? udp_tunnel_nic_cleanup_module (net/ipv4/udp_tunnel_core.c:237) udp_tunnel
[   18.171708][  T314]  _printk (kernel/printk/printk.c:2504)
[   18.171712][  T314]  ? snapshot_read.cold (user.c:?)
[   18.171718][  T314]  ? 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)
[   18.171721][  T314] gact_init_module (net/sched/act_gact.c:180) act_gact
[   18.171723][  T314]  do_one_initcall (init/main.c:1357)
[   18.171726][  T314]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   18.171731][  T314]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   18.171734][  T314]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   18.171739][  T314]  do_init_module (kernel/module/main.c:3117)
[   18.171742][  T314]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.171747][  T314]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   18.171750][  T314]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   18.171754][  T314]  load_module (kernel/module/main.c:3593)
[   18.171761][  T314]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   18.171765][  T314]  ? __ia32_sys_fsconfig (??:?)
[   18.171768][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.171771][  T314]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.171775][  T314]  init_module_from_file (kernel/module/main.c:3790)
[   18.171778][  T314]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   18.171788][  T314]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.171792][  T314]  ? 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)
[   18.171795][  T314]  idempotent_init_module (kernel/module/main.c:3802)
[   18.171798][  T314]  ? init_module_from_file (kernel/module/main.c:3791)
[   18.171804][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.171807][  T314]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   18.171813][  T314]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   18.171815][  T314]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.171819][  T314]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.171821][  T314]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.171824][  T314]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.171826][  T314] RIP: 0033:0x7f4bff62837d
[   18.171829][  T314] 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
[   18.171831][  T314] RSP: 002b:00007ffeca049a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   18.171834][  T314] RAX: ffffffffffffffda RBX: 000055635c0e7810 RCX: 00007f4bff62837d
[   18.171835][  T314] RDX: 0000000000000000 RSI: 0000556357d92ffd RDI: 0000000000000000
[   18.171836][  T314] RBP: 00007ffeca049ad0 R08: 0000000000000000 R09: 0000000000000000
[   18.171837][  T314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556357d92ffd


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