======================================
| [   17.852701][  T252] softirqs last disabled at (18017): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.852703][  T252] Preemption disabled at:
| [   17.852704][  T252] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.852714][  T252] Tainted: [W]=WARN
[   17.852715][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.852716][  T252] Call Trace:
[   17.852718][  T252]  <TASK>
[   17.852719][  T252]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.852726][  T252]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.852728][  T252]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.852733][  T252]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.852737][  T252]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.852742][  T252]  __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))
[   17.852744][  T252]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.852751][  T252]  ? 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)
[   17.852753][  T252]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.852757][  T252]  put_chars (drivers/char/virtio_console.c:1176)
[   17.852759][  T252]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   17.852761][  T252]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.852764][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.852767][  T252]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.852772][  T252]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.852774][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.852776][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.852781][  T252]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.852782][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.852785][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.852788][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.852792][  T252]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.852796][  T252]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.852798][  T252]  ? 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))
[   17.852802][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.852804][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.852808][  T252]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.852812][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.852814][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.852819][  T252]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.852822][  T252]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.852824][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.852827][  T252]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.852830][  T252]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.852832][  T252]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.852835][  T252]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.852840][  T252]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.852845][  T252]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   17.852849][  T252]  _printk (kernel/printk/printk.c:2504)
[   17.852853][  T252]  ? snapshot_read.cold (user.c:?)
[   17.852859][  T252]  ? 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)
[   17.852863][  T252] gact_init_module (net/sched/act_gact.c:180) act_gact
[   17.852865][  T252]  do_one_initcall (init/main.c:1357)
[   17.852868][  T252]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.852873][  T252]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.852876][  T252]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.852880][  T252]  do_init_module (kernel/module/main.c:3117)
[   17.852884][  T252]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.852888][  T252]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.852892][  T252]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.852896][  T252]  load_module (kernel/module/main.c:3593)
[   17.852903][  T252]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.852907][  T252]  ? __ia32_sys_fsconfig (??:?)
[   17.852909][  T252]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   17.852913][  T252]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.852916][  T252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.852920][  T252]  init_module_from_file (kernel/module/main.c:3790)
[   17.852924][  T252]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.852932][  T252]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.852936][  T252]  ? 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)
[   17.852939][  T252]  idempotent_init_module (kernel/module/main.c:3802)
[   17.852942][  T252]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.852949][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.852951][  T252]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.852957][  T252]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.852959][  T252]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.852963][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.852965][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.852968][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.852970][  T252] RIP: 0033:0x7f16a75d437d
[   17.852974][  T252] 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
[   17.852975][  T252] RSP: 002b:00007ffc04c12458 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.852978][  T252] RAX: ffffffffffffffda RBX: 00005590f4ce6810 RCX: 00007f16a75d437d
[   17.852979][  T252] RDX: 0000000000000000 RSI: 00005590f318fffd RDI: 0000000000000000
[   17.852980][  T252] RBP: 00007ffc04c124f0 R08: 0000000000000000 R09: 0000000000000000
[   17.852982][  T252] R10: 0000000000000000 R11: 0000000000000246 R12: 00005590f318fffd
[   17.852982][  T252] R13: 00005590f4ce6960 R14: 0000000000040000 R15: 0000000000000000
| [   29.261571][ T1092] softirqs last disabled at (28421): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.261573][ T1092] Preemption disabled at:
| [   29.261573][ T1092] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.261583][ T1092] Tainted: [W]=WARN
[   29.261584][ T1092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.261585][ T1092] Call Trace:
[   29.261587][ T1092]  <TASK>
[   29.261588][ T1092]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.261594][ T1092]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.261596][ T1092]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.261601][ T1092]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.261604][ T1092]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.261609][ T1092]  __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))
[   29.261611][ T1092]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.261617][ T1092]  ? 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)
[   29.261620][ T1092]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.261623][ T1092]  put_chars (drivers/char/virtio_console.c:1176)
[   29.261625][ T1092]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.261627][ T1092]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.261632][ T1092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.261634][ T1092]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.261638][ T1092]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.261641][ T1092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.261645][ T1092]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.261648][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.261653][ T1092]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.261656][ T1092]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.261658][ T1092]  ? 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))
[   29.261661][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.261663][ T1092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.261667][ T1092]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.261671][ T1092]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.261673][ T1092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.261678][ T1092]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.261681][ T1092]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.261682][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.261685][ T1092]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.261688][ T1092]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.261690][ T1092]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.261693][ T1092]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.261697][ T1092]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.261702][ T1092]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   29.261706][ T1092]  _printk (kernel/printk/printk.c:2504)
[   29.261710][ T1092]  ? snapshot_read.cold (user.c:?)
[   29.261716][ T1092]  ? 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)
[   29.261719][ T1092] 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
[   29.261722][ T1092]  do_one_initcall (init/main.c:1357)
[   29.261725][ T1092]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   29.261730][ T1092]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   29.261733][ T1092]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   29.261737][ T1092]  do_init_module (kernel/module/main.c:3117)
[   29.261741][ T1092]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.261745][ T1092]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   29.261748][ T1092]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   29.261752][ T1092]  load_module (kernel/module/main.c:3593)
[   29.261759][ T1092]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   29.261763][ T1092]  ? __ia32_sys_fsconfig (??:?)
[   29.261765][ T1092]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   29.261769][ T1092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.261771][ T1092]  ? backing_file_read_iter (fs/backing-file.c:211)
[   29.261774][ T1092]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.261777][ T1092]  init_module_from_file (kernel/module/main.c:3790)
[   29.261780][ T1092]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   29.261788][ T1092]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.261792][ T1092]  ? 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)
[   29.261795][ T1092]  idempotent_init_module (kernel/module/main.c:3802)
[   29.261798][ T1092]  ? init_module_from_file (kernel/module/main.c:3791)
[   29.261804][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.261806][ T1092]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.261812][ T1092]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   29.261814][ T1092]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.261817][ T1092]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.261819][ T1092]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.261822][ T1092]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.261824][ T1092] RIP: 0033:0x7fd1ad2fb37d
[   29.261828][ T1092] 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
[   29.261829][ T1092] RSP: 002b:00007ffec1939e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   29.261832][ T1092] RAX: ffffffffffffffda RBX: 000055ebae589810 RCX: 00007fd1ad2fb37d
[   29.261834][ T1092] RDX: 0000000000000000 RSI: 000055eb885dfffd RDI: 0000000000000000
[   29.261834][ T1092] RBP: 00007ffec1939f00 R08: 0000000000000000 R09: 0000000000000000
[   29.261835][ T1092] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eb885dfffd
[   29.261836][ T1092] R13: 000055ebae589960 R14: 0000000000040000 R15: 0000000000000000
| [   50.844366][ T2660] softirqs last disabled at (31217): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   50.844369][ T2660] Preemption disabled at:
| [   50.844369][ T2660] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.844379][ T2660] Tainted: [W]=WARN
[   50.844380][ T2660] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.844382][ T2660] Call Trace:
[   50.844383][ T2660]  <TASK>
[   50.844385][ T2660]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.844391][ T2660]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.844393][ T2660]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.844398][ T2660]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.844402][ T2660]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.844409][ T2660]  __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))
[   50.844412][ T2660]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.844418][ T2660]  ? 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)
[   50.844421][ T2660]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.844426][ T2660]  put_chars (drivers/char/virtio_console.c:1176)
[   50.844428][ T2660]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   50.844430][ T2660]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.844433][ T2660]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.844437][ T2660]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.844441][ T2660]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.844444][ T2660]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.844446][ T2660]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.844450][ T2660]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.844451][ T2660]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   50.844455][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.844458][ T2660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.844462][ T2660]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.844466][ T2660]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.844467][ T2660]  ? 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))
[   50.844471][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.844473][ T2660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.844477][ T2660]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.844481][ T2660]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.844483][ T2660]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.844488][ T2660]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.844491][ T2660]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.844493][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.844496][ T2660]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.844499][ T2660]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.844501][ T2660]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.844504][ T2660]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.844509][ T2660]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.844515][ T2660]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   50.844518][ T2660]  _printk (kernel/printk/printk.c:2504)
[   50.844522][ T2660]  ? snapshot_read.cold (user.c:?)
[   50.844529][ T2660]  ? 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)
[   50.844532][ T2660] gre_init (gre.mod.c:?) gre
[   50.844534][ T2660]  do_one_initcall (init/main.c:1357)
[   50.844537][ T2660]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   50.844542][ T2660]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   50.844545][ T2660]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   50.844550][ T2660]  do_init_module (kernel/module/main.c:3117)
[   50.844553][ T2660]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   50.844558][ T2660]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   50.844561][ T2660]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   50.844565][ T2660]  load_module (kernel/module/main.c:3593)
[   50.844572][ T2660]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   50.844578][ T2660]  ? backing_file_read_iter (fs/backing-file.c:211)
[   50.844581][ T2660]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.844585][ T2660]  init_module_from_file (kernel/module/main.c:3790)
[   50.844589][ T2660]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   50.844597][ T2660]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   50.844601][ T2660]  ? 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)
[   50.844604][ T2660]  idempotent_init_module (kernel/module/main.c:3802)
[   50.844607][ T2660]  ? init_module_from_file (kernel/module/main.c:3791)
[   50.844614][ T2660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.844616][ T2660]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   50.844622][ T2660]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   50.844624][ T2660]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.844628][ T2660]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.844629][ T2660]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.844632][ T2660]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.844634][ T2660] RIP: 0033:0x7f857744b37d
[   50.844638][ T2660] 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
[   50.844640][ T2660] RSP: 002b:00007fff9e2f74e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   50.844643][ T2660] RAX: ffffffffffffffda RBX: 0000562a137d5a40 RCX: 00007f857744b37d
[   50.844644][ T2660] RDX: 0000000000000000 RSI: 0000562a0aea1ffd RDI: 0000000000000001
[   50.844645][ T2660] RBP: 00007fff9e2f7580 R08: 0000000000000000 R09: 0000000000000000
[   50.844646][ T2660] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562a0aea1ffd


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