======================================
| [   13.357648][  T224] softirqs last disabled at (30671): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.357650][  T224] Preemption disabled at:
| [   13.357651][  T224] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.357660][  T224] Tainted: [W]=WARN
[   13.357661][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.357662][  T224] Call Trace:
[   13.357664][  T224]  <TASK>
[   13.357665][  T224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.357671][  T224]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.357672][  T224]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.357677][  T224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.357681][  T224]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.357685][  T224]  __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))
[   13.357687][  T224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.357693][  T224]  ? 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)
[   13.357696][  T224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.357700][  T224]  put_chars (drivers/char/virtio_console.c:1176)
[   13.357702][  T224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.357704][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.357707][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.357710][  T224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.357715][  T224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.357718][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.357723][  T224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.357726][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.357731][  T224]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.357735][  T224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.357736][  T224]  ? 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))
[   13.357740][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.357741][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.357745][  T224]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.357749][  T224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.357751][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.357756][  T224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.357759][  T224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.357761][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.357762][  T224]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.357766][  T224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.357768][  T224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.357770][  T224]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.357774][  T224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.357776][  T224]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   13.357780][  T224]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4989 (discriminator 2))
[   13.357784][  T224]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   13.357786][  T224]  _printk (kernel/printk/printk.c:2504)
[   13.357790][  T224]  ? snapshot_read.cold (user.c:?)
[   13.357792][  T224]  ? alloc_workqueue_lockdep_map (kernel/workqueue.c:6092)
[   13.357799][  T224] macsec_init (drivers/net/macsec.c:358 (discriminator 1)) macsec
[   13.357802][  T224]  do_one_initcall (init/main.c:1357)
[   13.357805][  T224]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.357810][  T224]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.357812][  T224]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.357818][  T224]  do_init_module (kernel/module/main.c:3117)
[   13.357821][  T224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.357825][  T224]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.357827][  T224]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.357831][  T224]  load_module (kernel/module/main.c:3593)
[   13.357836][  T224]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   13.357841][  T224]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.357845][  T224]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.357849][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.357852][  T224]  init_module_from_file (kernel/module/main.c:3790)
[   13.357854][  T224]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.357864][  T224]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.357868][  T224]  ? 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)
[   13.357871][  T224]  idempotent_init_module (kernel/module/main.c:3802)
[   13.357874][  T224]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.357879][  T224]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.357881][  T224]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   13.357886][  T224]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.357888][  T224]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.357892][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.357895][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.357897][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.357900][  T224] RIP: 0033:0x7f2f2225037d
[   13.357903][  T224] 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
[   13.357905][  T224] RSP: 002b:00007ffd0adf2368 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.357907][  T224] RAX: ffffffffffffffda RBX: 0000560723db8810 RCX: 00007f2f2225037d
[   13.357909][  T224] RDX: 0000000000000000 RSI: 000056070ccb7ffd RDI: 0000000000000000
[   13.357910][  T224] RBP: 00007ffd0adf2400 R08: 0000000000000000 R09: 0000000000000000
[   13.357910][  T224] R10: 0000000000000000 R11: 0000000000000246 R12: 000056070ccb7ffd
[   13.357911][  T224] R13: 0000560723db8960 R14: 0000000000040000 R15: 0000000000000000
| [   14.369454][  T254] softirqs last disabled at (18757): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.369457][  T254] Preemption disabled at:
| [   14.369457][  T254] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.369466][  T254] Tainted: [W]=WARN
[   14.369467][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.369468][  T254] Call Trace:
[   14.369470][  T254]  <TASK>
[   14.369471][  T254]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.369478][  T254]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.369479][  T254]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.369484][  T254]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.369488][  T254]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.369492][  T254]  __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))
[   14.369494][  T254]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.369501][  T254]  ? 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)
[   14.369504][  T254]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.369508][  T254]  put_chars (drivers/char/virtio_console.c:1176)
[   14.369510][  T254]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.369511][  T254]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.369515][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.369518][  T254]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.369522][  T254]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.369526][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.369531][  T254]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.369534][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.369539][  T254]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.369543][  T254]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.369544][  T254]  ? 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))
[   14.369547][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.369549][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.369553][  T254]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.369557][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.369559][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.369564][  T254]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.369567][  T254]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.369569][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.369570][  T254]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   14.369574][  T254]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.369576][  T254]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.369578][  T254]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.369582][  T254]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.369587][  T254]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   14.369589][  T254]  _printk (kernel/printk/printk.c:2504)
[   14.369593][  T254]  ? snapshot_read.cold (user.c:?)
[   14.369599][  T254]  ? 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)
[   14.369602][  T254] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre
[   14.369606][  T254]  do_one_initcall (init/main.c:1357)
[   14.369608][  T254]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   14.369613][  T254]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   14.369615][  T254]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   14.369621][  T254]  do_init_module (kernel/module/main.c:3117)
[   14.369624][  T254]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.369628][  T254]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   14.369631][  T254]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   14.369634][  T254]  load_module (kernel/module/main.c:3593)
[   14.369639][  T254]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   14.369644][  T254]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   14.369647][  T254]  ? __ia32_sys_fsconfig (??:?)
[   14.369651][  T254]  ? backing_file_read_iter (fs/backing-file.c:211)
[   14.369655][  T254]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.369658][  T254]  init_module_from_file (kernel/module/main.c:3790)
[   14.369661][  T254]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   14.369668][  T254]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.369671][  T254]  ? 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)
[   14.369674][  T254]  idempotent_init_module (kernel/module/main.c:3802)
[   14.369677][  T254]  ? init_module_from_file (kernel/module/main.c:3791)
[   14.369682][  T254]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   14.369685][  T254]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   14.369690][  T254]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   14.369691][  T254]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.369695][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.369698][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.369700][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.369702][  T254] RIP: 0033:0x7fd84a26237d
[   14.369706][  T254] 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
[   14.369708][  T254] RSP: 002b:00007ffdae4dfa68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   14.369710][  T254] RAX: ffffffffffffffda RBX: 00005584da601810 RCX: 00007fd84a26237d
[   14.369712][  T254] RDX: 0000000000000000 RSI: 00005584bc8b1ffd RDI: 0000000000000000
[   14.369713][  T254] RBP: 00007ffdae4dfb00 R08: 0000000000000000 R09: 0000000000000000
[   14.369713][  T254] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584bc8b1ffd
[   14.369714][  T254] R13: 00005584da6019a0 R14: 0000000000040000 R15: 0000000000000000
| [   19.958949][  T398] softirqs last disabled at (28841): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.958951][  T398] Preemption disabled at:
| [   19.958952][  T398] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.958961][  T398] Tainted: [W]=WARN
[   19.958962][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.958963][  T398] Call Trace:
[   19.958965][  T398]  <TASK>
[   19.958966][  T398]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.958972][  T398]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.958974][  T398]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.958979][  T398]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.958983][  T398]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.958987][  T398]  __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))
[   19.958989][  T398]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.958996][  T398]  ? 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)
[   19.958998][  T398]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.959002][  T398]  put_chars (drivers/char/virtio_console.c:1176)
[   19.959005][  T398]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.959006][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.959009][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.959012][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.959015][  T398]  ? __schedule (kernel/sched/core.c:7277)
[   19.959020][  T398]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.959024][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.959029][  T398]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.959032][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.959037][  T398]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.959041][  T398]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.959043][  T398]  ? 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))
[   19.959046][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.959047][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.959051][  T398]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.959055][  T398]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.959057][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.959062][  T398]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.959065][  T398]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.959067][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.959069][  T398]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   19.959072][  T398]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.959074][  T398]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.959077][  T398]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.959080][  T398]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.959081][  T398]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.959084][  T398]  ? rtnl_link_register (net/core/rtnetlink.c:655)
[   19.959089][  T398]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   19.959092][  T398]  _printk (kernel/printk/printk.c:2504)
[   19.959096][  T398]  ? snapshot_read.cold (user.c:?)
[   19.959101][  T398]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   19.959103][  T398]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   19.959106][  T398] can_dev_init (can-dev.mod.c:?) can_dev
[   19.959110][  T398]  do_one_initcall (init/main.c:1357)
[   19.959113][  T398]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   19.959118][  T398]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   19.959120][  T398]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   19.959125][  T398]  do_init_module (kernel/module/main.c:3117)
[   19.959128][  T398]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.959131][  T398]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   19.959133][  T398]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   19.959137][  T398]  load_module (kernel/module/main.c:3593)
[   19.959142][  T398]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   19.959147][  T398]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   19.959156][  T398]  ? backing_file_read_iter (fs/backing-file.c:211)
[   19.959160][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.959163][  T398]  init_module_from_file (kernel/module/main.c:3790)
[   19.959165][  T398]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   19.959173][  T398]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.959176][  T398]  ? 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)
[   19.959179][  T398]  idempotent_init_module (kernel/module/main.c:3802)
[   19.959182][  T398]  ? init_module_from_file (kernel/module/main.c:3791)
[   19.959188][  T398]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.959190][  T398]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   19.959195][  T398]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   19.959197][  T398]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.959201][  T398]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.959204][  T398]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.959206][  T398]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.959208][  T398] RIP: 0033:0x7f96a754b37d
[   19.959211][  T398] 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
[   19.959213][  T398] RSP: 002b:00007ffe79d2f368 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   19.959216][  T398] RAX: ffffffffffffffda RBX: 0000558d1830aa50 RCX: 00007f96a754b37d
[   19.959218][  T398] RDX: 0000000000000000 RSI: 0000558d05b5fffd RDI: 0000000000000000
[   19.959219][  T398] RBP: 00007ffe79d2f400 R08: 0000000000000000 R09: 0000000000000000
[   19.959219][  T398] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558d05b5fffd


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