======================================
| [   16.506559][  T249] softirqs last disabled at (22005): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.506561][  T249] Preemption disabled at:
| [   16.506562][  T249] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.506571][  T249] Tainted: [W]=WARN
[   16.506572][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.506574][  T249] Call Trace:
[   16.506576][  T249]  <TASK>
[   16.506577][  T249]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.506583][  T249]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.506585][  T249]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.506590][  T249]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.506594][  T249]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.506599][  T249]  __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))
[   16.506602][  T249]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.506608][  T249]  ? 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)
[   16.506610][  T249]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.506614][  T249]  put_chars (drivers/char/virtio_console.c:1176)
[   16.506615][  T249]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   16.506618][  T249]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.506621][  T249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.506624][  T249]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.506629][  T249]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.506632][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.506633][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.506638][  T249]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.506639][  T249]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.506642][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.506645][  T249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.506649][  T249]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.506653][  T249]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.506655][  T249]  ? 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))
[   16.506658][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.506660][  T249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.506665][  T249]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.506669][  T249]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.506671][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.506676][  T249]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.506679][  T249]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.506681][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.506683][  T249]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.506687][  T249]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.506688][  T249]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.506692][  T249]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.506696][  T249]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.506702][  T249]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   16.506705][  T249]  _printk (kernel/printk/printk.c:2504)
[   16.506709][  T249]  ? snapshot_read.cold (user.c:?)
[   16.506715][  T249]  ? 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)
[   16.506718][  T249] gact_init_module (net/sched/act_gact.c:180) act_gact
[   16.506721][  T249]  do_one_initcall (init/main.c:1357)
[   16.506723][  T249]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   16.506728][  T249]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   16.506731][  T249]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   16.506736][  T249]  do_init_module (kernel/module/main.c:3117)
[   16.506740][  T249]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   16.506744][  T249]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   16.506747][  T249]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   16.506751][  T249]  load_module (kernel/module/main.c:3593)
[   16.506759][  T249]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   16.506763][  T249]  ? __ia32_sys_fsconfig (??:?)
[   16.506765][  T249]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   16.506770][  T249]  ? backing_file_read_iter (fs/backing-file.c:211)
[   16.506772][  T249]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.506776][  T249]  init_module_from_file (kernel/module/main.c:3790)
[   16.506780][  T249]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   16.506788][  T249]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.506792][  T249]  ? 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)
[   16.506795][  T249]  idempotent_init_module (kernel/module/main.c:3802)
[   16.506798][  T249]  ? init_module_from_file (kernel/module/main.c:3791)
[   16.506805][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.506807][  T249]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   16.506813][  T249]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   16.506815][  T249]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   16.506819][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.506821][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.506824][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.506826][  T249] RIP: 0033:0x7efe3254537d
[   16.506829][  T249] 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
[   16.506831][  T249] RSP: 002b:00007ffd9c68b508 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   16.506834][  T249] RAX: ffffffffffffffda RBX: 000055fe12cf1810 RCX: 00007efe3254537d
[   16.506835][  T249] RDX: 0000000000000000 RSI: 000055fe0329cffd RDI: 0000000000000000
[   16.506836][  T249] RBP: 00007ffd9c68b5a0 R08: 0000000000000000 R09: 0000000000000000
[   16.506837][  T249] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fe0329cffd
[   16.506838][  T249] R13: 000055fe12cf1960 R14: 0000000000040000 R15: 0000000000000000
| [   27.898925][ T1126] softirqs last disabled at (27099): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.898927][ T1126] Preemption disabled at:
| [   27.898928][ T1126] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.898938][ T1126] Tainted: [W]=WARN
[   27.898939][ T1126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.898945][ T1126] Call Trace:
[   27.898947][ T1126]  <TASK>
[   27.898948][ T1126]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.898954][ T1126]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.898956][ T1126]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.898960][ T1126]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.898964][ 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)
[   27.898969][ 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))
[   27.898971][ T1126]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.898977][ 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)
[   27.898979][ T1126]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.898983][ T1126]  put_chars (drivers/char/virtio_console.c:1176)
[   27.898985][ T1126]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.898987][ T1126]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.898991][ T1126]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.898994][ T1126]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.898998][ T1126]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.899000][ T1126]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.899005][ T1126]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.899007][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.899012][ T1126]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.899016][ T1126]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.899018][ 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))
[   27.899021][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.899023][ T1126]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.899027][ T1126]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.899030][ T1126]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.899032][ T1126]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.899037][ T1126]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.899040][ T1126]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.899042][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.899044][ T1126]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.899047][ T1126]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.899049][ T1126]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.899052][ T1126]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.899056][ T1126]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.899061][ T1126]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   27.899065][ T1126]  _printk (kernel/printk/printk.c:2504)
[   27.899069][ T1126]  ? snapshot_read.cold (user.c:?)
[   27.899075][ 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)
[   27.899078][ 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
[   27.899081][ T1126]  do_one_initcall (init/main.c:1357)
[   27.899084][ T1126]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   27.899088][ T1126]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   27.899091][ T1126]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   27.899096][ T1126]  do_init_module (kernel/module/main.c:3117)
[   27.899099][ T1126]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.899103][ T1126]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   27.899106][ T1126]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   27.899110][ T1126]  load_module (kernel/module/main.c:3593)
[   27.899117][ T1126]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   27.899120][ T1126]  ? __ia32_sys_fsconfig (??:?)
[   27.899123][ T1126]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   27.899127][ T1126]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.899128][ T1126]  ? backing_file_read_iter (fs/backing-file.c:211)
[   27.899131][ T1126]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.899135][ T1126]  init_module_from_file (kernel/module/main.c:3790)
[   27.899138][ T1126]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   27.899146][ T1126]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.899149][ 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)
[   27.899152][ T1126]  idempotent_init_module (kernel/module/main.c:3802)
[   27.899155][ T1126]  ? init_module_from_file (kernel/module/main.c:3791)
[   27.899161][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.899163][ T1126]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   27.899169][ T1126]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   27.899171][ T1126]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.899175][ T1126]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.899177][ T1126]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.899179][ T1126]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.899182][ T1126] RIP: 0033:0x7fa6a319b37d
[   27.899185][ 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
[   27.899187][ T1126] RSP: 002b:00007ffe42aa86a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   27.899190][ T1126] RAX: ffffffffffffffda RBX: 00005562753f5810 RCX: 00007fa6a319b37d
[   27.899191][ T1126] RDX: 0000000000000000 RSI: 0000556255578ffd RDI: 0000000000000000
[   27.899192][ T1126] RBP: 00007ffe42aa8740 R08: 0000000000000000 R09: 0000000000000000
[   27.899193][ T1126] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556255578ffd
[   27.899194][ T1126] R13: 00005562753f5960 R14: 0000000000040000 R15: 0000000000000000
| [   36.004754][ T1718] softirqs last disabled at (28819): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   36.004757][ T1718] Preemption disabled at:
| [   36.004758][ T1718] 0x0
| [   36.004771][ T1718] Tainted: [W]=WARN
[   36.004772][ T1718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.004775][ T1718] Call Trace:
[   36.004777][ T1718]  <TASK>
[   36.004779][ T1718]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.004787][ T1718]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.004793][ T1718]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.004799][ T1718]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.004806][ T1718]  __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))
[   36.004809][ T1718]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.004818][ T1718]  ? 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)
[   36.004822][ T1718]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.004827][ T1718]  put_chars (drivers/char/virtio_console.c:1176)
[   36.004831][ T1718]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.004833][ T1718]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.004840][ T1718]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.004849][ T1718]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.004859][ T1718]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.004863][ T1718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.004867][ T1718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.004874][ T1718]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.004880][ T1718]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.004883][ T1718]  ? 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))
[   36.004888][ T1718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.004891][ T1718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.004898][ T1718]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.004905][ T1718]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.004908][ T1718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.004917][ T1718]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.004921][ T1718]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.004924][ T1718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.004928][ T1718]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.004934][ T1718]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.004936][ T1718]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.004942][ T1718]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.004948][ T1718]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.004954][ T1718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.004960][ T1718]  _printk (kernel/printk/printk.c:2504)
[   36.004965][ T1718]  ? snapshot_read.cold (user.c:?)
[   36.004969][ T1718]  ? 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)
[   36.004973][ T1718]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.004980][ T1718]  ? 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)
[   36.004989][ T1718]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   36.004994][ T1718]  ? exit_notify (kernel/exit.c:780)
[   36.004997][ T1718]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.005001][ T1718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.005008][ T1718]  do_group_exit (kernel/exit.c:1151)
[   36.005013][ T1718]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   36.005016][ T1718]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   36.005019][ T1718]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.005023][ T1718]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.005028][ T1718]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.005031][ T1718] RIP: 0033:0x7fd1401b71b8
[   36.005034][ T1718] Code: Unable to access opcode bytes at 0x7fd1401b718e.

Code starting with the faulting instruction
===========================================
[   36.005036][ T1718] RSP: 002b:00007ffe665e0f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   36.005039][ T1718] RAX: ffffffffffffffda RBX: 00007fd1402e7f88 RCX: 00007fd1401b71b8
[   36.005041][ T1718] RDX: 00007fd13ff02588 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   36.005043][ T1718] RBP: 00007ffe665e0fb0 R08: 0000000000000000 R09: 0000000000000000
[   36.005044][ T1718] R10: 00007ffe665e0d50 R11: 0000000000000246 R12: 0000000000000001
[   36.005045][ T1718] R13: 0000000000000000 R14: 00007fd1402e6680 R15: 00007fd1402e7fa0
| [   48.866332][ T2718] softirqs last disabled at (37129): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   48.866334][ T2718] Preemption disabled at:
| [   48.866335][ T2718] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.866344][ T2718] Tainted: [W]=WARN
[   48.866345][ T2718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.866347][ T2718] Call Trace:
[   48.866348][ T2718]  <TASK>
[   48.866350][ T2718]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.866355][ T2718]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.866357][ T2718]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.866362][ T2718]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.866366][ T2718]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.866371][ T2718]  __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))
[   48.866373][ T2718]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.866378][ T2718]  ? 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)
[   48.866381][ T2718]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.866384][ T2718]  put_chars (drivers/char/virtio_console.c:1176)
[   48.866386][ T2718]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   48.866388][ T2718]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.866391][ T2718]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.866394][ T2718]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.866398][ T2718]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.866401][ T2718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.866402][ T2718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.866407][ T2718]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.866408][ T2718]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   48.866411][ T2718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.866414][ T2718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.866418][ T2718]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.866421][ T2718]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.866423][ T2718]  ? 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))
[   48.866426][ T2718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.866428][ T2718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.866432][ T2718]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.866436][ T2718]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.866438][ T2718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.866442][ T2718]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.866445][ T2718]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.866447][ T2718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.866449][ T2718]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   48.866453][ T2718]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.866454][ T2718]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.866457][ T2718]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.866461][ T2718]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.866467][ T2718]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   48.866469][ T2718]  _printk (kernel/printk/printk.c:2504)
[   48.866473][ T2718]  ? snapshot_read.cold (user.c:?)
[   48.866479][ T2718]  ? 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)
[   48.866482][ T2718] gre_init (gre.mod.c:?) gre
[   48.866484][ T2718]  do_one_initcall (init/main.c:1357)
[   48.866487][ T2718]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   48.866491][ T2718]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   48.866494][ T2718]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   48.866499][ T2718]  do_init_module (kernel/module/main.c:3117)
[   48.866502][ T2718]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   48.866506][ T2718]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   48.866510][ T2718]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   48.866514][ T2718]  load_module (kernel/module/main.c:3593)
[   48.866521][ T2718]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   48.866526][ T2718]  ? backing_file_read_iter (fs/backing-file.c:211)
[   48.866529][ T2718]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.866533][ T2718]  init_module_from_file (kernel/module/main.c:3790)
[   48.866536][ T2718]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   48.866543][ T2718]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   48.866547][ T2718]  ? 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)
[   48.866550][ T2718]  idempotent_init_module (kernel/module/main.c:3802)
[   48.866553][ T2718]  ? init_module_from_file (kernel/module/main.c:3791)
[   48.866559][ T2718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.866561][ T2718]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   48.866567][ T2718]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   48.866569][ T2718]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.866573][ T2718]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.866575][ T2718]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.866577][ T2718]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.866580][ T2718] RIP: 0033:0x7f66fe53f37d
[   48.866583][ T2718] 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
[   48.866585][ T2718] RSP: 002b:00007ffd1de4bc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   48.866587][ T2718] RAX: ffffffffffffffda RBX: 0000558ba8393a40 RCX: 00007f66fe53f37d
[   48.866589][ T2718] RDX: 0000000000000000 RSI: 0000558b96842ffd RDI: 0000000000000001
[   48.866590][ T2718] RBP: 00007ffd1de4bcb0 R08: 0000000000000000 R09: 0000000000000000
[   48.866591][ T2718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558b96842ffd


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