======================================
| [   16.782637][  T250] softirqs last disabled at (20679): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.782640][  T250] Preemption disabled at:
| [   16.782640][  T250] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.782649][  T250] Tainted: [W]=WARN
[   16.782650][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.782652][  T250] Call Trace:
[   16.782654][  T250]  <TASK>
[   16.782655][  T250]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.782661][  T250]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.782664][  T250]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.782668][  T250]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.782673][  T250]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.782678][  T250]  __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))
[   16.782680][  T250]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.782686][  T250]  ? 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)
[   16.782689][  T250]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.782692][  T250]  put_chars (drivers/char/virtio_console.c:1176)
[   16.782694][  T250]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   16.782696][  T250]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.782699][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.782702][  T250]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.782707][  T250]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.782709][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.782711][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.782715][  T250]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.782716][  T250]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.782720][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.782723][  T250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.782726][  T250]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.782730][  T250]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.782732][  T250]  ? 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))
[   16.782735][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.782737][  T250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.782741][  T250]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.782745][  T250]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.782747][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.782752][  T250]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.782755][  T250]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.782757][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.782759][  T250]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.782763][  T250]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.782764][  T250]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.782768][  T250]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.782772][  T250]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.782777][  T250]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   16.782780][  T250]  _printk (kernel/printk/printk.c:2504)
[   16.782784][  T250]  ? snapshot_read.cold (user.c:?)
[   16.782790][  T250]  ? 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)
[   16.782794][  T250] gact_init_module (net/sched/act_gact.c:180) act_gact
[   16.782796][  T250]  do_one_initcall (init/main.c:1357)
[   16.782798][  T250]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   16.782803][  T250]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   16.782806][  T250]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   16.782811][  T250]  do_init_module (kernel/module/main.c:3117)
[   16.782815][  T250]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.782819][  T250]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   16.782822][  T250]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   16.782826][  T250]  load_module (kernel/module/main.c:3593)
[   16.782834][  T250]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   16.782837][  T250]  ? __ia32_sys_fsconfig (??:?)
[   16.782841][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.782843][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.782847][  T250]  init_module_from_file (kernel/module/main.c:3790)
[   16.782850][  T250]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   16.782858][  T250]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.782862][  T250]  ? 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)
[   16.782865][  T250]  idempotent_init_module (kernel/module/main.c:3802)
[   16.782868][  T250]  ? init_module_from_file (kernel/module/main.c:3791)
[   16.782875][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.782877][  T250]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.782884][  T250]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   16.782886][  T250]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.782889][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.782891][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.782894][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.782896][  T250] RIP: 0033:0x7fe42eb2937d
[   16.782900][  T250] 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
[   16.782902][  T250] RSP: 002b:00007ffd556cbdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   16.782904][  T250] RAX: ffffffffffffffda RBX: 000056181b9c7810 RCX: 00007fe42eb2937d
[   16.782906][  T250] RDX: 0000000000000000 RSI: 000056180db19ffd RDI: 0000000000000000
[   16.782907][  T250] RBP: 00007ffd556cbe90 R08: 0000000000000000 R09: 0000000000000000
[   16.782907][  T250] R10: 0000000000000000 R11: 0000000000000246 R12: 000056180db19ffd
[   16.782908][  T250] R13: 000056181b9c7960 R14: 0000000000040000 R15: 0000000000000000
| [   28.040699][ T1126] softirqs last disabled at (33469): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.040701][ T1126] Preemption disabled at:
| [   28.040702][ T1126] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.040712][ T1126] Tainted: [W]=WARN
[   28.040712][ T1126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.040714][ T1126] Call Trace:
[   28.040716][ T1126]  <TASK>
[   28.040717][ T1126]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.040723][ T1126]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.040726][ T1126]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.040730][ T1126]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.040734][ T1126]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.040739][ T1126]  __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))
[   28.040742][ T1126]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.040748][ T1126]  ? 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)
[   28.040751][ T1126]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.040754][ T1126]  put_chars (drivers/char/virtio_console.c:1176)
[   28.040757][ T1126]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.040758][ T1126]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.040763][ T1126]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.040766][ T1126]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.040770][ T1126]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.040773][ T1126]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.040778][ T1126]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.040781][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.040786][ T1126]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.040790][ T1126]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.040792][ T1126]  ? 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))
[   28.040795][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.040797][ T1126]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.040801][ T1126]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.040806][ T1126]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.040807][ T1126]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.040813][ T1126]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.040816][ T1126]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.040817][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.040820][ T1126]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.040824][ T1126]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.040825][ T1126]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.040829][ T1126]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.040833][ T1126]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.040839][ T1126]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   28.040843][ T1126]  _printk (kernel/printk/printk.c:2504)
[   28.040847][ T1126]  ? snapshot_read.cold (user.c:?)
[   28.040854][ T1126]  ? 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)
[   28.040857][ T1126] 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
[   28.040860][ T1126]  do_one_initcall (init/main.c:1357)
[   28.040863][ T1126]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   28.040867][ T1126]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   28.040871][ T1126]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   28.040875][ T1126]  do_init_module (kernel/module/main.c:3117)
[   28.040879][ T1126]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.040883][ T1126]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   28.040887][ T1126]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   28.040891][ T1126]  load_module (kernel/module/main.c:3593)
[   28.040898][ T1126]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   28.040902][ T1126]  ? __ia32_sys_fsconfig (??:?)
[   28.040905][ T1126]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   28.040909][ T1126]  ? backing_file_read_iter (fs/backing-file.c:211)
[   28.040912][ T1126]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.040916][ T1126]  init_module_from_file (kernel/module/main.c:3790)
[   28.040920][ T1126]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   28.040928][ T1126]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.040932][ T1126]  ? 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)
[   28.040935][ T1126]  idempotent_init_module (kernel/module/main.c:3802)
[   28.040938][ T1126]  ? init_module_from_file (kernel/module/main.c:3791)
[   28.040945][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.040947][ T1126]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   28.040953][ T1126]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   28.040955][ T1126]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.040959][ T1126]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.040961][ T1126]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.040964][ T1126]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.040966][ T1126] RIP: 0033:0x7f5b2369f37d
[   28.040970][ T1126] 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
[   28.040972][ T1126] RSP: 002b:00007ffc36807038 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   28.040974][ T1126] RAX: ffffffffffffffda RBX: 000055ace73cb810 RCX: 00007f5b2369f37d
[   28.040976][ T1126] RDX: 0000000000000000 RSI: 000055acacab0ffd RDI: 0000000000000000
[   28.040977][ T1126] RBP: 00007ffc368070d0 R08: 0000000000000000 R09: 0000000000000000
[   28.040978][ T1126] R10: 0000000000000000 R11: 0000000000000246 R12: 000055acacab0ffd
[   28.040978][ T1126] R13: 000055ace73cb960 R14: 0000000000040000 R15: 0000000000000000
| [   49.302549][ T2652] softirqs last disabled at (50435): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   49.302552][ T2652] Preemption disabled at:
| [   49.302552][ T2652] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.302561][ T2652] Tainted: [W]=WARN
[   49.302562][ T2652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.302564][ T2652] Call Trace:
[   49.302565][ T2652]  <TASK>
[   49.302567][ T2652]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.302573][ T2652]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.302575][ T2652]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.302579][ T2652]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.302583][ T2652]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   49.302589][ T2652]  __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))
[   49.302591][ T2652]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.302597][ T2652]  ? 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)
[   49.302599][ T2652]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.302602][ T2652]  put_chars (drivers/char/virtio_console.c:1176)
[   49.302604][ T2652]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   49.302606][ T2652]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.302609][ T2652]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.302612][ T2652]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.302617][ T2652]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.302619][ T2652]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.302621][ T2652]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.302625][ T2652]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.302626][ T2652]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   49.302629][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.302632][ T2652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.302636][ T2652]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.302640][ T2652]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.302641][ T2652]  ? 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))
[   49.302645][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.302647][ T2652]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.302651][ T2652]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.302655][ T2652]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.302656][ T2652]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.302661][ T2652]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.302664][ T2652]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.302666][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.302668][ T2652]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   49.302671][ T2652]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.302673][ T2652]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.302676][ T2652]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.302680][ T2652]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.302686][ T2652]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   49.302689][ T2652]  _printk (kernel/printk/printk.c:2504)
[   49.302692][ T2652]  ? snapshot_read.cold (user.c:?)
[   49.302698][ T2652]  ? 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)
[   49.302701][ T2652] gre_init (gre.mod.c:?) gre
[   49.302704][ T2652]  do_one_initcall (init/main.c:1357)
[   49.302706][ T2652]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   49.302711][ T2652]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   49.302714][ T2652]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   49.302718][ T2652]  do_init_module (kernel/module/main.c:3117)
[   49.302722][ T2652]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   49.302726][ T2652]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   49.302729][ T2652]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   49.302733][ T2652]  load_module (kernel/module/main.c:3593)
[   49.302740][ T2652]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   49.302745][ T2652]  ? backing_file_read_iter (fs/backing-file.c:211)
[   49.302749][ T2652]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.302753][ T2652]  init_module_from_file (kernel/module/main.c:3790)
[   49.302756][ T2652]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   49.302764][ T2652]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.302767][ T2652]  ? 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)
[   49.302770][ T2652]  idempotent_init_module (kernel/module/main.c:3802)
[   49.302774][ T2652]  ? init_module_from_file (kernel/module/main.c:3791)
[   49.302780][ T2652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.302782][ T2652]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   49.302788][ T2652]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   49.302790][ T2652]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.302793][ T2652]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.302795][ T2652]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.302798][ T2652]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.302801][ T2652] RIP: 0033:0x7f7855dcc37d
[   49.302804][ T2652] 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
[   49.302806][ T2652] RSP: 002b:00007ffcf07161b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   49.302809][ T2652] RAX: ffffffffffffffda RBX: 00005636b4797a40 RCX: 00007f7855dcc37d
[   49.302810][ T2652] RDX: 0000000000000000 RSI: 000056368153affd RDI: 0000000000000001
[   49.302811][ T2652] RBP: 00007ffcf0716250 R08: 0000000000000000 R09: 0000000000000000
[   49.302812][ T2652] R10: 0000000000000000 R11: 0000000000000246 R12: 000056368153affd


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