======================================
| [   11.635871][  T223] softirqs last disabled at (23345): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.635874][  T223] Preemption disabled at:
| [   11.635874][  T223] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.635882][  T223] Tainted: [W]=WARN
[   11.635883][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.635885][  T223] Call Trace:
[   11.635886][  T223]  <TASK>
[   11.635888][  T223]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.635893][  T223]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.635895][  T223]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.635900][  T223]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.635903][  T223]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.635908][  T223]  __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))
[   11.635909][  T223]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.635916][  T223]  ? 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)
[   11.635919][  T223]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.635922][  T223]  put_chars (drivers/char/virtio_console.c:1176)
[   11.635924][  T223]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.635926][  T223]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.635929][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.635932][  T223]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.635937][  T223]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.635941][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.635945][  T223]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.635948][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.635953][  T223]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.635957][  T223]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.635958][  T223]  ? 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))
[   11.635961][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.635963][  T223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.635967][  T223]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.635971][  T223]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.635973][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.635978][  T223]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.635980][  T223]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.635982][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.635984][  T223]  ? 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)
[   11.635987][  T223]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.635989][  T223]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.635992][  T223]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.635995][  T223]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.635997][  T223]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   11.636001][  T223]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4989 (discriminator 2))
[   11.636004][  T223]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   11.636007][  T223]  _printk (kernel/printk/printk.c:2504)
[   11.636011][  T223]  ? snapshot_read.cold (user.c:?)
[   11.636012][  T223]  ? alloc_workqueue_lockdep_map (kernel/workqueue.c:6092)
[   11.636020][  T223] macsec_init (drivers/net/macsec.c:358 (discriminator 1)) macsec
[   11.636023][  T223]  do_one_initcall (init/main.c:1357)
[   11.636026][  T223]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.636031][  T223]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.636033][  T223]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.636038][  T223]  do_init_module (kernel/module/main.c:3117)
[   11.636041][  T223]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.636045][  T223]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.636048][  T223]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.636051][  T223]  load_module (kernel/module/main.c:3593)
[   11.636056][  T223]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   11.636061][  T223]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.636065][  T223]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.636068][  T223]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.636072][  T223]  init_module_from_file (kernel/module/main.c:3790)
[   11.636074][  T223]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.636081][  T223]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.636085][  T223]  ? 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)
[   11.636088][  T223]  idempotent_init_module (kernel/module/main.c:3802)
[   11.636090][  T223]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.636095][  T223]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.636098][  T223]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   11.636103][  T223]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.636104][  T223]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.636108][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.636111][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.636113][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.636115][  T223] RIP: 0033:0x7f8538b9337d
[   11.636118][  T223] 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
[   11.636120][  T223] RSP: 002b:00007ffe6adee1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.636122][  T223] RAX: ffffffffffffffda RBX: 000055c014bd1810 RCX: 00007f8538b9337d
[   11.636124][  T223] RDX: 0000000000000000 RSI: 000055c002386ffd RDI: 0000000000000000
[   11.636125][  T223] RBP: 00007ffe6adee280 R08: 0000000000000000 R09: 0000000000000000
[   11.636125][  T223] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c002386ffd
[   11.636126][  T223] R13: 000055c014bd1960 R14: 0000000000040000 R15: 0000000000000000
| [   12.970221][  T267] softirqs last disabled at (19655): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.970224][  T267] Preemption disabled at:
| [   12.970225][  T267] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.970233][  T267] Tainted: [W]=WARN
[   12.970234][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.970235][  T267] Call Trace:
[   12.970237][  T267]  <TASK>
[   12.970238][  T267]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.970243][  T267]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.970245][  T267]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.970250][  T267]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.970254][  T267]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.970258][  T267]  __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))
[   12.970260][  T267]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.970267][  T267]  ? 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)
[   12.970270][  T267]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.970273][  T267]  put_chars (drivers/char/virtio_console.c:1176)
[   12.970276][  T267]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.970278][  T267]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.970283][  T267]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.970291][  T267]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.970294][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.970296][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.970300][  T267]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.970304][  T267]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.970306][  T267]  ? 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))
[   12.970309][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.970311][  T267]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.970314][  T267]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.970318][  T267]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.970320][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.970325][  T267]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.970328][  T267]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.970330][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.970332][  T267]  ? 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)
[   12.970335][  T267]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.970337][  T267]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.970340][  T267]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.970343][  T267]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.970348][  T267]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   12.970351][  T267]  _printk (kernel/printk/printk.c:2504)
[   12.970354][  T267]  ? snapshot_read.cold (user.c:?)
[   12.970360][  T267]  ? 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)
[   12.970363][  T267] xfrmi_init (net/xfrm/xfrm_interface_core.c:124) xfrm_interface
[   12.970366][  T267]  do_one_initcall (init/main.c:1357)
[   12.970369][  T267]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.970375][  T267]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.970378][  T267]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.970383][  T267]  do_init_module (kernel/module/main.c:3117)
[   12.970386][  T267]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.970390][  T267]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.970392][  T267]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.970396][  T267]  load_module (kernel/module/main.c:3593)
[   12.970401][  T267]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   12.970406][  T267]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.970409][  T267]  ? __ia32_sys_fsconfig (??:?)
[   12.970414][  T267]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.970417][  T267]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.970421][  T267]  init_module_from_file (kernel/module/main.c:3790)
[   12.970423][  T267]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.970431][  T267]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.970434][  T267]  ? 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)
[   12.970437][  T267]  idempotent_init_module (kernel/module/main.c:3802)
[   12.970440][  T267]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.970445][  T267]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.970448][  T267]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   12.970453][  T267]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.970454][  T267]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.970458][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.970461][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.970464][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.970466][  T267] RIP: 0033:0x7f3ca42fd37d
[   12.970469][  T267] 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
[   12.970471][  T267] RSP: 002b:00007ffd18f0f488 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.970474][  T267] RAX: ffffffffffffffda RBX: 000055841f0e2810 RCX: 00007f3ca42fd37d
[   12.970475][  T267] RDX: 0000000000000000 RSI: 00005583e0356ffd RDI: 0000000000000000
[   12.970476][  T267] RBP: 00007ffd18f0f520 R08: 0000000000000000 R09: 0000000000000000
[   12.970477][  T267] R10: 0000000000000000 R11: 0000000000000246 R12: 00005583e0356ffd
[   12.970478][  T267] R13: 000055841f0e2970 R14: 0000000000040000 R15: 0000000000000000
| [   17.251982][  T397] softirqs last disabled at (30843): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.251984][  T397] Preemption disabled at:
| [   17.251985][  T397] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.251994][  T397] Tainted: [W]=WARN
[   17.251995][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.251996][  T397] Call Trace:
[   17.251998][  T397]  <TASK>
[   17.251999][  T397]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.252005][  T397]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.252006][  T397]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.252011][  T397]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.252015][  T397]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.252019][  T397]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.252021][  T397]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.252028][  T397]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.252031][  T397]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.252034][  T397]  put_chars (drivers/char/virtio_console.c:1176)
[   17.252037][  T397]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.252038][  T397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.252042][  T397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.252045][  T397]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.252050][  T397]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.252053][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.252058][  T397]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.252061][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.252066][  T397]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.252070][  T397]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.252072][  T397]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   17.252075][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.252077][  T397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.252080][  T397]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.252085][  T397]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.252087][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.252092][  T397]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.252095][  T397]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.252096][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.252098][  T397]  ? 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)
[   17.252102][  T397]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.252104][  T397]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.252106][  T397]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.252110][  T397]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.252111][  T397]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.252115][  T397]  ? rtnl_link_register (net/core/rtnetlink.c:655)
[   17.252121][  T397]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   17.252123][  T397]  _printk (kernel/printk/printk.c:2504)
[   17.252127][  T397]  ? snapshot_read.cold (user.c:?)
[   17.252132][  T397]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   17.252134][  T397]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   17.252137][  T397] can_dev_init (can-dev.mod.c:?) can_dev
[   17.252141][  T397]  do_one_initcall (init/main.c:1357)
[   17.252144][  T397]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.252148][  T397]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.252151][  T397]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.252156][  T397]  do_init_module (kernel/module/main.c:3117)
[   17.252159][  T397]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.252162][  T397]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.252164][  T397]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.252168][  T397]  load_module (kernel/module/main.c:3593)
[   17.252178][  T397]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   17.252183][  T397]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.252187][  T397]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.252191][  T397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.252194][  T397]  init_module_from_file (kernel/module/main.c:3790)
[   17.252196][  T397]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.252203][  T397]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.252207][  T397]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.252210][  T397]  idempotent_init_module (kernel/module/main.c:3802)
[   17.252213][  T397]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.252218][  T397]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.252221][  T397]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   17.252226][  T397]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.252227][  T397]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.252231][  T397]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.252234][  T397]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.252236][  T397]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.252238][  T397] RIP: 0033:0x7f46ff38337d
[   17.252242][  T397] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.252243][  T397] RSP: 002b:00007ffc71875228 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.252246][  T397] RAX: ffffffffffffffda RBX: 000055e94e123a50 RCX: 00007f46ff38337d
[   17.252247][  T397] RDX: 0000000000000000 RSI: 000055e91ced3ffd RDI: 0000000000000000
[   17.252248][  T397] RBP: 00007ffc718752c0 R08: 0000000000000000 R09: 0000000000000000
[   17.252249][  T397] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e91ced3ffd


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