======================================
| [   13.814483][  T224] softirqs last disabled at (32581): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.814485][  T224] Preemption disabled at:
| [   13.814486][  T224] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.814494][  T224] Tainted: [W]=WARN
[   13.814495][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.814497][  T224] Call Trace:
[   13.814499][  T224]  <TASK>
[   13.814500][  T224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.814506][  T224]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.814507][  T224]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.814512][  T224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.814516][  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)
[   13.814520][  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))
[   13.814522][  T224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.814529][  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)
[   13.814532][  T224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.814536][  T224]  put_chars (drivers/char/virtio_console.c:1176)
[   13.814538][  T224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.814539][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.814543][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.814546][  T224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.814551][  T224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.814555][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.814560][  T224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.814563][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.814568][  T224]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.814572][  T224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.814573][  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))
[   13.814577][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.814578][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.814582][  T224]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.814587][  T224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.814589][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.814594][  T224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.814597][  T224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.814599][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.814600][  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)
[   13.814604][  T224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.814606][  T224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.814609][  T224]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.814612][  T224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.814614][  T224]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   13.814619][  T224]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4989 (discriminator 2))
[   13.814622][  T224]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   13.814625][  T224]  _printk (kernel/printk/printk.c:2504)
[   13.814629][  T224]  ? snapshot_read.cold (user.c:?)
[   13.814631][  T224]  ? alloc_workqueue_lockdep_map (kernel/workqueue.c:6092)
[   13.814639][  T224] macsec_init (drivers/net/macsec.c:358 (discriminator 1)) macsec
[   13.814642][  T224]  do_one_initcall (init/main.c:1357)
[   13.814645][  T224]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.814650][  T224]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.814652][  T224]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.814658][  T224]  do_init_module (kernel/module/main.c:3117)
[   13.814661][  T224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.814665][  T224]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.814667][  T224]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.814671][  T224]  load_module (kernel/module/main.c:3593)
[   13.814676][  T224]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   13.814681][  T224]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.814686][  T224]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.814689][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.814692][  T224]  init_module_from_file (kernel/module/main.c:3790)
[   13.814695][  T224]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.814702][  T224]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.814706][  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)
[   13.814709][  T224]  idempotent_init_module (kernel/module/main.c:3802)
[   13.814712][  T224]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.814717][  T224]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.814720][  T224]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   13.814725][  T224]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.814727][  T224]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.814731][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.814734][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.814736][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.814739][  T224] RIP: 0033:0x7f6ee7c8d37d
[   13.814742][  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
[   13.814744][  T224] RSP: 002b:00007ffd57cfe3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.814746][  T224] RAX: ffffffffffffffda RBX: 00005577ba43c810 RCX: 00007f6ee7c8d37d
[   13.814748][  T224] RDX: 0000000000000000 RSI: 00005577a4bccffd RDI: 0000000000000000
[   13.814749][  T224] RBP: 00007ffd57cfe480 R08: 0000000000000000 R09: 0000000000000000
[   13.814750][  T224] R10: 0000000000000000 R11: 0000000000000246 R12: 00005577a4bccffd
[   13.814750][  T224] R13: 00005577ba43c960 R14: 0000000000040000 R15: 0000000000000000
| [   14.890130][  T253] softirqs last disabled at (22295): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.890132][  T253] Preemption disabled at:
| [   14.890133][  T253] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.890142][  T253] Tainted: [W]=WARN
[   14.890143][  T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.890145][  T253] Call Trace:
[   14.890146][  T253]  <TASK>
[   14.890148][  T253]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.890154][  T253]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.890155][  T253]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.890160][  T253]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.890164][  T253]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.890168][  T253]  __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))
[   14.890170][  T253]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.890177][  T253]  ? 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)
[   14.890180][  T253]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.890184][  T253]  put_chars (drivers/char/virtio_console.c:1176)
[   14.890186][  T253]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.890187][  T253]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.890191][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.890194][  T253]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.890199][  T253]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.890203][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.890208][  T253]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.890211][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.890216][  T253]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.890220][  T253]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.890222][  T253]  ? 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))
[   14.890225][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.890227][  T253]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.890231][  T253]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.890235][  T253]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.890237][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.890242][  T253]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.890245][  T253]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.890247][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.890249][  T253]  ? 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)
[   14.890252][  T253]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.890254][  T253]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.890257][  T253]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.890261][  T253]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.890266][  T253]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   14.890269][  T253]  _printk (kernel/printk/printk.c:2504)
[   14.890272][  T253]  ? snapshot_read.cold (user.c:?)
[   14.890279][  T253]  ? 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)
[   14.890282][  T253] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre
[   14.890286][  T253]  do_one_initcall (init/main.c:1357)
[   14.890289][  T253]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   14.890293][  T253]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   14.890296][  T253]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   14.890301][  T253]  do_init_module (kernel/module/main.c:3117)
[   14.890304][  T253]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.890309][  T253]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   14.890311][  T253]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   14.890315][  T253]  load_module (kernel/module/main.c:3593)
[   14.890321][  T253]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   14.890325][  T253]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   14.890329][  T253]  ? __ia32_sys_fsconfig (??:?)
[   14.890333][  T253]  ? backing_file_read_iter (fs/backing-file.c:211)
[   14.890337][  T253]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.890340][  T253]  init_module_from_file (kernel/module/main.c:3790)
[   14.890343][  T253]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   14.890351][  T253]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.890354][  T253]  ? 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)
[   14.890358][  T253]  idempotent_init_module (kernel/module/main.c:3802)
[   14.890360][  T253]  ? init_module_from_file (kernel/module/main.c:3791)
[   14.890366][  T253]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   14.890369][  T253]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   14.890374][  T253]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   14.890375][  T253]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.890379][  T253]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.890382][  T253]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.890387][  T253]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.890390][  T253] RIP: 0033:0x7f264de3137d
[   14.890393][  T253] 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
[   14.890395][  T253] RSP: 002b:00007ffc6e6d70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   14.890397][  T253] RAX: ffffffffffffffda RBX: 000055d00cf4b810 RCX: 00007f264de3137d
[   14.890398][  T253] RDX: 0000000000000000 RSI: 000055cfe1130ffd RDI: 0000000000000000
[   14.890399][  T253] RBP: 00007ffc6e6d7160 R08: 0000000000000000 R09: 0000000000000000
[   14.890400][  T253] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cfe1130ffd
[   14.890401][  T253] R13: 000055d00cf4b9a0 R14: 0000000000040000 R15: 0000000000000000
| [   16.521417][  T292] softirqs last disabled at (27483): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.521420][  T292] Preemption disabled at:
| [   16.521420][  T292] 0x0
| [   16.521431][  T292] Tainted: [W]=WARN
[   16.521432][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.521434][  T292] Call Trace:
[   16.521436][  T292]  <TASK>
[   16.521437][  T292]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.521443][  T292]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.521448][  T292]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.521452][  T292]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.521456][  T292]  __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))
[   16.521458][  T292]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.521465][  T292]  ? 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)
[   16.521467][  T292]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.521471][  T292]  put_chars (drivers/char/virtio_console.c:1176)
[   16.521474][  T292]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.521475][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.521478][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.521484][  T292]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.521491][  T292]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.521494][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.521496][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.521500][  T292]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.521504][  T292]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.521506][  T292]  ? 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))
[   16.521509][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.521511][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.521515][  T292]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.521519][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.521521][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.521526][  T292]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.521529][  T292]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.521531][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.521533][  T292]  ? 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)
[   16.521536][  T292]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.521538][  T292]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.521541][  T292]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.521544][  T292]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.521547][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.521550][  T292]  _printk (kernel/printk/printk.c:2504)
[   16.521554][  T292]  ? snapshot_read.cold (user.c:?)
[   16.521557][  T292]  ? 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)
[   16.521559][  T292]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.521563][  T292]  ? 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)
[   16.521566][  T292]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   16.521570][  T292]  ? exit_notify (kernel/exit.c:780)
[   16.521571][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.521574][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.521577][  T292]  do_group_exit (kernel/exit.c:1151)
[   16.521580][  T292]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   16.521582][  T292]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   16.521584][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.521588][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.521591][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.521594][  T292] RIP: 0033:0x7efc49c8f1b8
[   16.521596][  T292] Code: Unable to access opcode bytes at 0x7efc49c8f18e.

Code starting with the faulting instruction
===========================================
[   16.521597][  T292] RSP: 002b:00007ffeeda08488 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   16.521600][  T292] RAX: ffffffffffffffda RBX: 00007efc49dbff88 RCX: 00007efc49c8f1b8
[   16.521601][  T292] RDX: 00007efc499d9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   16.521602][  T292] RBP: 00007ffeeda084e0 R08: 0000000000000000 R09: 0000000000000000
[   16.521603][  T292] R10: 00007ffeeda082a0 R11: 0000000000000246 R12: 0000000000000001
[   16.521604][  T292] R13: 0000000000000000 R14: 00007efc49dbe680 R15: 00007efc49dbffa0
| [   20.738686][  T397] softirqs last disabled at (29149): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.738689][  T397] Preemption disabled at:
| [   20.738689][  T397] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.738698][  T397] Tainted: [W]=WARN
[   20.738699][  T397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.738700][  T397] Call Trace:
[   20.738702][  T397]  <TASK>
[   20.738703][  T397]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.738709][  T397]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.738710][  T397]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.738715][  T397]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.738719][  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)
[   20.738723][  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))
[   20.738725][  T397]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.738732][  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)
[   20.738735][  T397]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.738739][  T397]  put_chars (drivers/char/virtio_console.c:1176)
[   20.738741][  T397]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.738743][  T397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.738746][  T397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.738749][  T397]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.738754][  T397]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.738758][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.738763][  T397]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.738766][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.738771][  T397]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.738775][  T397]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.738777][  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))
[   20.738780][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.738782][  T397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.738786][  T397]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.738790][  T397]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.738792][  T397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.738797][  T397]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.738800][  T397]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.738802][  T397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.738803][  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)
[   20.738807][  T397]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.738809][  T397]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.738812][  T397]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.738815][  T397]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.738816][  T397]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.738820][  T397]  ? rtnl_link_register (net/core/rtnetlink.c:655)
[   20.738826][  T397]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   20.738829][  T397]  _printk (kernel/printk/printk.c:2504)
[   20.738833][  T397]  ? snapshot_read.cold (user.c:?)
[   20.738838][  T397]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   20.738841][  T397]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   20.738843][  T397] can_dev_init (can-dev.mod.c:?) can_dev
[   20.738848][  T397]  do_one_initcall (init/main.c:1357)
[   20.738851][  T397]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   20.738856][  T397]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   20.738858][  T397]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   20.738864][  T397]  do_init_module (kernel/module/main.c:3117)
[   20.738867][  T397]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.738870][  T397]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   20.738873][  T397]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   20.738877][  T397]  load_module (kernel/module/main.c:3593)
[   20.738882][  T397]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   20.738887][  T397]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   20.738891][  T397]  ? backing_file_read_iter (fs/backing-file.c:211)
[   20.738896][  T397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.738899][  T397]  init_module_from_file (kernel/module/main.c:3790)
[   20.738901][  T397]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   20.738909][  T397]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.738913][  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)
[   20.738916][  T397]  idempotent_init_module (kernel/module/main.c:3802)
[   20.738918][  T397]  ? init_module_from_file (kernel/module/main.c:3791)
[   20.738924][  T397]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.738926][  T397]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   20.738932][  T397]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   20.738933][  T397]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.738937][  T397]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.738940][  T397]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.738943][  T397]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.738945][  T397] RIP: 0033:0x7fb25c02b37d
[   20.738948][  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
[   20.738950][  T397] RSP: 002b:00007ffc40d90cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   20.738953][  T397] RAX: ffffffffffffffda RBX: 0000565112ce2a50 RCX: 00007fb25c02b37d
[   20.738954][  T397] RDX: 0000000000000000 RSI: 00005650fa510ffd RDI: 0000000000000000
[   20.738955][  T397] RBP: 00007ffc40d90d50 R08: 0000000000000000 R09: 0000000000000000
[   20.738956][  T397] R10: 0000000000000000 R11: 0000000000000246 R12: 00005650fa510ffd


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