======================================
| [   11.822091][  T274] softirqs last disabled at (26661): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.822094][  T274] Preemption disabled at:
| [   11.822094][  T274] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.822104][  T274] Tainted: [W]=WARN
[   11.822105][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.822106][  T274] Call Trace:
[   11.822108][  T274]  <TASK>
[   11.822109][  T274]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.822114][  T274]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.822117][  T274]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.822121][  T274]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.822125][  T274]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.822130][  T274]  __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))
[   11.822132][  T274]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.822138][  T274]  ? 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)
[   11.822141][  T274]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.822144][  T274]  put_chars (drivers/char/virtio_console.c:1176)
[   11.822147][  T274]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.822148][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.822153][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.822155][  T274]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.822160][  T274]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.822162][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.822167][  T274]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.822170][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.822175][  T274]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.822179][  T274]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.822180][  T274]  ? 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))
[   11.822184][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.822186][  T274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.822190][  T274]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.822194][  T274]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.822196][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.822201][  T274]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.822204][  T274]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.822206][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.822208][  T274]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.822212][  T274]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.822214][  T274]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.822217][  T274]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.822221][  T274]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.822227][  T274]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.822231][  T274]  _printk (kernel/printk/printk.c:2504)
[   11.822234][  T274]  ? snapshot_read.cold (user.c:?)
[   11.822240][  T274]  ? 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)
[   11.822243][  T274] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.822247][  T274]  do_one_initcall (init/main.c:1357)
[   11.822249][  T274]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.822256][  T274]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.822259][  T274]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.822264][  T274]  do_init_module (kernel/module/main.c:3117)
[   11.822268][  T274]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.822272][  T274]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.822275][  T274]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.822279][  T274]  load_module (kernel/module/main.c:3593)
[   11.822286][  T274]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.822290][  T274]  ? __ia32_sys_fsconfig (??:?)
[   11.822293][  T274]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.822297][  T274]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.822299][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.822303][  T274]  init_module_from_file (kernel/module/main.c:3790)
[   11.822306][  T274]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.822314][  T274]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.822318][  T274]  ? 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)
[   11.822321][  T274]  idempotent_init_module (kernel/module/main.c:3802)
[   11.822324][  T274]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.822330][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.822332][  T274]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.822338][  T274]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.822340][  T274]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.822343][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.822345][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.822348][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.822350][  T274] RIP: 0033:0x7f204949637d
[   11.822353][  T274] 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
[   11.822355][  T274] RSP: 002b:00007ffc24c62178 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.822358][  T274] RAX: ffffffffffffffda RBX: 00005565c8b00810 RCX: 00007f204949637d
[   11.822359][  T274] RDX: 0000000000000000 RSI: 00005565b7d9bffd RDI: 0000000000000000
[   11.822360][  T274] RBP: 00007ffc24c62210 R08: 0000000000000000 R09: 0000000000000000
[   11.822361][  T274] R10: 0000000000000000 R11: 0000000000000246 R12: 00005565b7d9bffd
[   11.822362][  T274] R13: 00005565c8b00960 R14: 0000000000040000 R15: 0000000000000000
| [   18.716070][  T365] softirqs last disabled at (16895): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   18.716073][  T365] Preemption disabled at:
| [   18.716073][  T365] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.716082][  T365] Tainted: [W]=WARN
[   18.716083][  T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.716085][  T365] Call Trace:
[   18.716086][  T365]  <TASK>
[   18.716088][  T365]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.716093][  T365]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.716096][  T365]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.716100][  T365]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.716104][  T365]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.716109][  T365]  __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))
[   18.716111][  T365]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.716117][  T365]  ? 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)
[   18.716119][  T365]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.716123][  T365]  put_chars (drivers/char/virtio_console.c:1176)
[   18.716125][  T365]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   18.716127][  T365]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.716130][  T365]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.716133][  T365]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.716137][  T365]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.716140][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.716141][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.716145][  T365]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.716147][  T365]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   18.716150][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.716153][  T365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.716157][  T365]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.716160][  T365]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.716162][  T365]  ? 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))
[   18.716165][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.716167][  T365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.716171][  T365]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.716175][  T365]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.716177][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.716182][  T365]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.716184][  T365]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.716186][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.716188][  T365]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.716192][  T365]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.716193][  T365]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.716197][  T365]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.716200][  T365]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.716206][  T365]  ? gre_exit (net/ipv4/gre_demux.c:73) gre
[   18.716208][  T365]  _printk (kernel/printk/printk.c:2504)
[   18.716212][  T365]  ? snapshot_read.cold (user.c:?)
[   18.716218][  T365]  ? 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)
[   18.716221][  T365] gact_init_module (net/sched/act_gact.c:180) act_gact
[   18.716223][  T365]  do_one_initcall (init/main.c:1357)
[   18.716226][  T365]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   18.716231][  T365]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   18.716234][  T365]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   18.716239][  T365]  do_init_module (kernel/module/main.c:3117)
[   18.716242][  T365]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.716246][  T365]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   18.716249][  T365]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   18.716255][  T365]  load_module (kernel/module/main.c:3593)
[   18.716262][  T365]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   18.716266][  T365]  ? __ia32_sys_fsconfig (??:?)
[   18.716269][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.716272][  T365]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.716275][  T365]  init_module_from_file (kernel/module/main.c:3790)
[   18.716278][  T365]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   18.716286][  T365]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.716290][  T365]  ? 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)
[   18.716293][  T365]  idempotent_init_module (kernel/module/main.c:3802)
[   18.716296][  T365]  ? init_module_from_file (kernel/module/main.c:3791)
[   18.716302][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.716304][  T365]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   18.716310][  T365]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   18.716312][  T365]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.716316][  T365]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.716318][  T365]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.716320][  T365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.716322][  T365] RIP: 0033:0x7efc7dfa937d
[   18.716325][  T365] 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
[   18.716327][  T365] RSP: 002b:00007ffc49d9b0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   18.716330][  T365] RAX: ffffffffffffffda RBX: 000055fc419a6810 RCX: 00007efc7dfa937d
[   18.716331][  T365] RDX: 0000000000000000 RSI: 000055fc06560ffd RDI: 0000000000000000
[   18.716332][  T365] RBP: 00007ffc49d9b140 R08: 0000000000000000 R09: 0000000000000000
[   18.716333][  T365] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fc06560ffd
[   18.716334][  T365] R13: 000055fc419a6960 R14: 0000000000040000 R15: 0000000000000000
| [   26.564858][  T606] softirqs last disabled at (27076): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   26.564860][  T606] Preemption disabled at:
| [   26.564861][  T606] 0x0
| [   26.564872][  T606] Tainted: [W]=WARN
[   26.564872][  T606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.564874][  T606] Call Trace:
[   26.564876][  T606]  <TASK>
[   26.564878][  T606]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.564884][  T606]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.564889][  T606]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.564893][  T606]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.564898][  T606]  __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))
[   26.564900][  T606]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.564906][  T606]  ? 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)
[   26.564909][  T606]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.564912][  T606]  put_chars (drivers/char/virtio_console.c:1176)
[   26.564915][  T606]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.564916][  T606]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.564921][  T606]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.564926][  T606]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.564932][  T606]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.564934][  T606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.564936][  T606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.564940][  T606]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.564944][  T606]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.564946][  T606]  ? 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))
[   26.564949][  T606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.564951][  T606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.564955][  T606]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.564959][  T606]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.564960][  T606]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.564966][  T606]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.564968][  T606]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.564970][  T606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.564972][  T606]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.564976][  T606]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.564978][  T606]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.564981][  T606]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.564985][  T606]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.564988][  T606]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.564992][  T606]  _printk (kernel/printk/printk.c:2504)
[   26.564995][  T606]  ? snapshot_read.cold (user.c:?)
[   26.564998][  T606]  ? 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)
[   26.565001][  T606]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.565004][  T606]  ? 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)
[   26.565007][  T606]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   26.565011][  T606]  ? exit_notify (kernel/exit.c:780)
[   26.565013][  T606]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.565016][  T606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.565020][  T606]  do_group_exit (kernel/exit.c:1151)
[   26.565022][  T606]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   26.565024][  T606]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   26.565026][  T606]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.565029][  T606]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.565032][  T606]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.565035][  T606] RIP: 0033:0x7fca00d2e1b8
[   26.565037][  T606] Code: Unable to access opcode bytes at 0x7fca00d2e18e.

Code starting with the faulting instruction
===========================================
[   26.565038][  T606] RSP: 002b:00007ffdddd10da8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   26.565041][  T606] RAX: ffffffffffffffda RBX: 00007fca00e5ef88 RCX: 00007fca00d2e1b8
[   26.565042][  T606] RDX: 00007fca00a78fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   26.565043][  T606] RBP: 00007ffdddd10e00 R08: 0000000000000000 R09: 0000000000000060
[   26.565044][  T606] R10: 00007ffdddd10bc0 R11: 0000000000000246 R12: 0000000000000001


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