======================================
| [ 15.809748][ C2] #0: ffffffffb89775e0 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame (./include/linux/rcupdate.h:331 ./include/linux/rcupdate.h:841 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
| [ 15.810148][ C2] #1: ffffffffb89774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2570) 
| [   15.810567][    C2]
| [   15.810567][    C2] stack backtrace:
[   15.810858][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.810860][    C2] Call Trace:
[   15.810862][    C2]  <IRQ>
[ 15.810864][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.810870][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4048) 
[ 15.810874][ C2] mark_lock_irq (kernel/locking/lockdep.c:4013 kernel/locking/lockdep.c:4059 kernel/locking/lockdep.c:4270) 
[ 15.810879][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.810882][ C2] ? save_trace (kernel/locking/lockdep.c:595) 
[ 15.810888][ C2] mark_lock (kernel/locking/lockdep.c:4756) 
[ 15.810891][ C2] mark_usage (kernel/locking/lockdep.c:4645) 
[ 15.810894][ C2] __lock_acquire (kernel/locking/lockdep.c:5194) 
[ 15.810897][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.810902][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:473 kernel/locking/lockdep.c:5873) 
[ 15.810905][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.810909][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.810913][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 15.810916][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.810920][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.810923][ C2] ? simple_pin_fs (fs/libfs.c:1067) 
[ 15.810927][ C2] simple_pin_fs (fs/libfs.c:1067) 
[ 15.810931][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.810934][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.810940][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.810943][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.810948][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.810951][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.810954][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.810957][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.810962][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.810966][ C2] ? trace_lock_release (./include/trace/events/lock.h:69) 
[ 15.810969][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 15.810971][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:873 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 15.810974][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 15.810978][ C2] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 15.810981][ C2] ? set_track_prepare (mm/slub.c:936) 
[ 15.810985][ C2] ? __alloc_object (mm/kmemleak.c:697) 
[ 15.810988][ C2] ? __create_object (mm/kmemleak.c:770) 
[ 15.810994][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.810998][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.811002][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.811004][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.811008][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.811012][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.811016][ C2] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 15.811018][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.811023][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.811027][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.811032][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.811035][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.811038][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.811041][    C2]  </IRQ>
[   15.811042][    C2]  <TASK>
[ 15.811044][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.811047][ C2] RIP: 0010:trace_lock_release (./include/trace/events/lock.h:69) 
[ 15.811050][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 53 66 90 65 8b 05 aa c5 14 05 83 f8 3f 0f 87 a3 00 00 00 89 c0 48 0f a3 05 33 ae 20 04 <72> 06 5b c3 cc cc cc cc e8 66 0a 09 00 84 c0 75 f1 0f b6 1d a4 ec
All code
========
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	53                   	push   %rbx
   e:	66 90                	xchg   %ax,%ax
  10:	65 8b 05 aa c5 14 05 	mov    %gs:0x514c5aa(%rip),%eax        # 0x514c5c1
  17:	83 f8 3f             	cmp    $0x3f,%eax
  1a:	0f 87 a3 00 00 00    	ja     0xc3
  20:	89 c0                	mov    %eax,%eax
  22:	48 0f a3 05 33 ae 20 	bt     %rax,0x420ae33(%rip)        # 0x420ae5d
  29:	04 
  2a:*	72 06                	jb     0x32		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	c3                   	ret
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	e8 66 0a 09 00       	call   0x90a9d
  37:	84 c0                	test   %al,%al
  39:	75 f1                	jne    0x2c
  3b:	0f                   	.byte 0xf
  3c:	b6 1d                	mov    $0x1d,%dh
  3e:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
  3f:	ec                   	in     (%dx),%al

Code starting with the faulting instruction
===========================================
   0:	72 06                	jb     0x8
   2:	5b                   	pop    %rbx
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	e8 66 0a 09 00       	call   0x90a73
   d:	84 c0                	test   %al,%al
   f:	75 f1                	jne    0x2
  11:	0f                   	.byte 0xf
  12:	b6 1d                	mov    $0x1d,%dh
  14:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
  15:	ec                   	in     (%dx),%al
[   15.811053][    C2] RSP: 0018:ffffc90000ac73f0 EFLAGS: 00000297
[   15.811056][    C2] RAX: 0000000000000002 RBX: 1ffff92000158e8d RCX: ffffc90000ac8001
[   15.811058][    C2] RDX: 0000000000000000 RSI: ffffffffb5012a2e RDI: ffffffffb89775e0
[   15.811060][    C2] RBP: ffffffffb89775e0 R08: 0000000000000000 R09: ffffc90000ac7561
[   15.811062][    C2] R10: 0000000000000000 R11: ffffc90000ac7560 R12: ffffffffb5012a2e
[   15.811064][    C2] R13: ffffc90000ac7520 R14: ffffc90000ac0000 R15: ffffc90000ac7700
[ 15.811066][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 15.811070][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 15.811074][ C2] lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 15.811078][ C2] unwind_next_frame (./include/linux/rcupdate.h:873 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 15.811081][ C2] ? __alloc_object (mm/kmemleak.c:697) 
[ 15.811084][ C2] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 15.811089][ C2] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 15.811092][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.811096][ C2] ? __alloc_object (mm/kmemleak.c:697) 
[ 15.811099][ C2] ? kernel_text_address (kernel/extable.c:99) 
[ 15.811103][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 15.811107][ C2] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 15.811112][ C2] ? __create_object (mm/kmemleak.c:770) 
[ 15.811116][ C2] stack_trace_save (kernel/stacktrace.c:123) 
[ 15.811119][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 15.811124][ C2] set_track_prepare (mm/slub.c:936) 
[ 15.811127][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.811130][ C2] ? trace_kmem_cache_alloc (./include/trace/events/kmem.h:12 (discriminator 21)) 
[ 15.811133][ C2] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 15.811138][ C2] __alloc_object (mm/kmemleak.c:697) 
[ 15.811141][ C2] __create_object (mm/kmemleak.c:770) 
[ 15.811145][ C2] __kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4353) 
[ 15.811148][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.811152][ C2] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 15.811156][ C2] fuse_file_alloc (fs/fuse/file.c:64) 
[ 15.811161][ C2] fuse_file_open (fs/fuse/file.c:134) 
[ 15.811166][ C2] fuse_open (fs/fuse/file.c:175 fs/fuse/file.c:264) 
[ 15.811171][ C2] do_dentry_open (fs/open.c:964) 
[ 15.811174][ C2] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 15.811179][ C2] vfs_open (fs/open.c:1094) 
[ 15.811184][ C2] backing_file_open (fs/backing-file.c:45) 
[ 15.811189][ C2] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) 
[ 15.811193][ C2] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 15.811199][ C2] ovl_open (fs/overlayfs/file.c:222) 
[ 15.811202][ C2] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 15.811204][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 15.811209][ C2] do_dentry_open (fs/open.c:964) 
[ 15.811212][ C2] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 15.811216][ C2] vfs_open (fs/open.c:1094) 
[ 15.811220][ C2] do_open (fs/namei.c:3888) 
[ 15.811227][ C2] path_openat (fs/namei.c:4046) 
[ 15.811231][ C2] ? __pfx_path_openat (fs/namei.c:4028) 
[ 15.811233][ C2] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 15.811236][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 15.811241][ C2] do_filp_open (fs/namei.c:4073) 
[ 15.811244][ C2] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 15.811247][ C2] ? __pfx_do_filp_open (fs/namei.c:4067) 
[ 15.811249][ C2] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 15.811252][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 15.811257][ C2] ? __pfx_page_put_link (fs/namei.c:5478) 
[ 15.811261][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 15.811267][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.811271][ C2] do_open_execat (fs/exec.c:833) 
[ 15.811275][ C2] ? __pfx_do_open_execat (fs/exec.c:815) 
[ 15.811280][ C2] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 15.811283][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 15.811287][ C2] alloc_bprm (fs/exec.c:1458) 
[ 15.811291][ C2] do_execveat_common.isra.0 (fs/exec.c:1859) 
[ 15.811295][ C2] ? getname_flags (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 fs/namei.c:132 fs/namei.c:213) 
[ 15.811298][ C2] __x64_sys_execve (fs/exec.c:2053) 
[ 15.811302][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 15.811306][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.811309][    C2] RIP: 0033:0x7ff5ce61440b
[ 15.811312][ C2] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48
All code
========
   0:	c0 75 03 5f          	shlb   $0x5f,0x3(%rbp)
   4:	ff e7                	jmp    *%rdi
   6:	c3                   	ret
   7:	48 8b 0d f1 a9 1b 00 	mov    0x1ba9f1(%rip),%rcx        # 0x1ba9ff
   e:	f7 d8                	neg    %eax
  10:	64 89 01             	mov    %eax,%fs:(%rcx)
  13:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  17:	c3                   	ret
  18:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 3b 00 00 00       	mov    $0x3b,%eax
  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 c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9ff
  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 c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9d5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.811314][    C2] RSP: 002b:00007ffc30b6b8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   15.811317][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5ce61440b
[   15.811318][    C2] RDX: 00005625a7d4c620 RSI: 00005625a7d3fd70 RDI: 00005625a7d4d140
[   15.811320][    C2] RBP: 00005625a7d4d140 R08: 00005625a7d4bed0 R09: 0000000000000020
[   15.811322][    C2] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff
[   15.811323][    C2] R13: 00005625a7d3fd70 R14: 00005625a7d4c620 R15: 00005625a7d3b650
| [   15.844904][    C2] RCU nest depth: 1, expected: 0
| [   15.845127][    C2] INFO: lockdep is turned off.
| [   15.845349][    C2] Preemption disabled at:
| [ 15.845351][ C2] handle_softirqs (kernel/softirq.c:553) 
[   15.845977][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.845978][    C2] Call Trace:
[   15.845980][    C2]  <IRQ>
[ 15.845982][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.845988][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 15.845995][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.845998][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.846001][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 15.846005][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.846010][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 15.846015][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 15.846018][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 15.846021][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.846027][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.846030][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 15.846035][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 15.846038][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.846043][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.846047][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 15.846050][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.846053][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 15.846057][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.846061][ C2] ? trace_lock_release (./include/trace/events/lock.h:69) 
[ 15.846065][ C2] ? lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 15.846068][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:873 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 15.846072][ C2] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 15.846076][ C2] ? stack_trace_save (kernel/stacktrace.c:123) 
[ 15.846079][ C2] ? set_track_prepare (mm/slub.c:936) 
[ 15.846084][ C2] ? __alloc_object (mm/kmemleak.c:697) 
[ 15.846087][ C2] ? __create_object (mm/kmemleak.c:770) 
[ 15.846092][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.846096][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 15.846100][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.846103][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 15.846106][ C2] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 15.846110][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 15.846114][ C2] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) 
[ 15.846117][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 15.846121][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 15.846125][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.846130][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.846133][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.846136][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   15.846140][    C2]  </IRQ>
[   15.846140][    C2]  <TASK>
[ 15.846142][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.846145][ C2] RIP: 0010:trace_lock_release (./include/trace/events/lock.h:69) 
[ 15.846148][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 53 66 90 65 8b 05 aa c5 14 05 83 f8 3f 0f 87 a3 00 00 00 89 c0 48 0f a3 05 33 ae 20 04 <72> 06 5b c3 cc cc cc cc e8 66 0a 09 00 84 c0 75 f1 0f b6 1d a4 ec
All code
========
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	53                   	push   %rbx
   e:	66 90                	xchg   %ax,%ax
  10:	65 8b 05 aa c5 14 05 	mov    %gs:0x514c5aa(%rip),%eax        # 0x514c5c1
  17:	83 f8 3f             	cmp    $0x3f,%eax
  1a:	0f 87 a3 00 00 00    	ja     0xc3
  20:	89 c0                	mov    %eax,%eax
  22:	48 0f a3 05 33 ae 20 	bt     %rax,0x420ae33(%rip)        # 0x420ae5d
  29:	04 
  2a:*	72 06                	jb     0x32		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	c3                   	ret
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	e8 66 0a 09 00       	call   0x90a9d
  37:	84 c0                	test   %al,%al
  39:	75 f1                	jne    0x2c
  3b:	0f                   	.byte 0xf
  3c:	b6 1d                	mov    $0x1d,%dh
  3e:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
  3f:	ec                   	in     (%dx),%al

Code starting with the faulting instruction
===========================================
   0:	72 06                	jb     0x8
   2:	5b                   	pop    %rbx
   3:	c3                   	ret
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	e8 66 0a 09 00       	call   0x90a73
   d:	84 c0                	test   %al,%al
   f:	75 f1                	jne    0x2
  11:	0f                   	.byte 0xf
  12:	b6 1d                	mov    $0x1d,%dh
  14:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
  15:	ec                   	in     (%dx),%al
[   15.846151][    C2] RSP: 0018:ffffc90000ac73f0 EFLAGS: 00000297
[   15.846154][    C2] RAX: 0000000000000002 RBX: 1ffff92000158e8d RCX: ffffc90000ac8001
[   15.846156][    C2] RDX: 0000000000000000 RSI: ffffffffb5012a2e RDI: ffffffffb89775e0
[   15.846158][    C2] RBP: ffffffffb89775e0 R08: 0000000000000000 R09: ffffc90000ac7561
[   15.846159][    C2] R10: 0000000000000000 R11: ffffc90000ac7560 R12: ffffffffb5012a2e
[   15.846161][    C2] R13: ffffc90000ac7520 R14: ffffc90000ac0000 R15: ffffc90000ac7700
[ 15.846163][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 15.846168][ C2] ? unwind_next_frame (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 15.846172][ C2] lock_release (kernel/locking/lockdep.c:118 kernel/locking/lockdep.c:5884) 
[ 15.846175][ C2] unwind_next_frame (./include/linux/rcupdate.h:873 ./include/linux/rcupdate.h:1155 arch/x86/kernel/unwind_orc.c:479) 
[ 15.846178][ C2] ? __alloc_object (mm/kmemleak.c:697) 
[ 15.846181][ C2] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 15.846186][ C2] ? __alloc_object (mm/kmemleak.c:481 mm/kmemleak.c:661) 
[ 15.846189][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.846193][ C2] ? __alloc_object (mm/kmemleak.c:697) 
[ 15.846196][ C2] ? kernel_text_address (kernel/extable.c:99) 
[ 15.846199][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 15.846202][ C2] arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 15.846208][ C2] ? __create_object (mm/kmemleak.c:770) 
[ 15.846212][ C2] stack_trace_save (kernel/stacktrace.c:123) 
[ 15.846215][ C2] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 15.846220][ C2] set_track_prepare (mm/slub.c:936) 
[ 15.846223][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 15.846226][ C2] ? trace_kmem_cache_alloc (./include/trace/events/kmem.h:12 (discriminator 21)) 
[ 15.846229][ C2] ? lockdep_init_map_type (kernel/locking/lockdep.c:4976) 
[ 15.846234][ C2] __alloc_object (mm/kmemleak.c:697) 
[ 15.846237][ C2] __create_object (mm/kmemleak.c:770) 
[ 15.846241][ C2] __kmalloc_cache_noprof (./include/linux/kmemleak.h:43 mm/slub.c:4151 mm/slub.c:4196 mm/slub.c:4353) 
[ 15.846245][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.846248][ C2] ? kasan_save_track (./arch/x86/include/asm/current.h:25 mm/kasan/common.c:60 mm/kasan/common.c:69) 
[ 15.846252][ C2] fuse_file_alloc (fs/fuse/file.c:64) 
[ 15.846258][ C2] fuse_file_open (fs/fuse/file.c:134) 
[ 15.846262][ C2] fuse_open (fs/fuse/file.c:175 fs/fuse/file.c:264) 
[ 15.846267][ C2] do_dentry_open (fs/open.c:964) 
[ 15.846270][ C2] ? __pfx_fuse_open (fs/fuse/file.c:234) 
[ 15.846275][ C2] vfs_open (fs/open.c:1094) 
[ 15.846280][ C2] backing_file_open (fs/backing-file.c:45) 
[ 15.846284][ C2] ? inode_owner_or_capable (./include/linux/mnt_idmapping.h:87 fs/inode.c:2591) 
[ 15.846288][ C2] ovl_open_realfile (fs/overlayfs/file.c:51) 
[ 15.846293][ C2] ovl_open (fs/overlayfs/file.c:222) 
[ 15.846296][ C2] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 15.846299][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 15.846304][ C2] do_dentry_open (fs/open.c:964) 
[ 15.846306][ C2] ? __pfx_ovl_open (fs/overlayfs/file.c:199) 
[ 15.846310][ C2] vfs_open (fs/open.c:1094) 
[ 15.846315][ C2] do_open (fs/namei.c:3888) 
[ 15.846320][ C2] path_openat (fs/namei.c:4046) 
[ 15.846323][ C2] ? __pfx_path_openat (fs/namei.c:4028) 
[ 15.846325][ C2] ? is_bpf_text_address (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/bpf/core.c:774) 
[ 15.846329][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 15.846334][ C2] do_filp_open (fs/namei.c:4073) 
[ 15.846336][ C2] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 15.846339][ C2] ? __pfx_do_filp_open (fs/namei.c:4067) 
[ 15.846342][ C2] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) 
[ 15.846344][ C2] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) 
[ 15.846349][ C2] ? __pfx_page_put_link (fs/namei.c:5478) 
[ 15.846354][ C2] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 15.846359][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 15.846364][ C2] do_open_execat (fs/exec.c:833) 
[ 15.846368][ C2] ? __pfx_do_open_execat (fs/exec.c:815) 
[ 15.846372][ C2] ? __might_fault (mm/memory.c:7151 mm/memory.c:7145) 
[ 15.846375][ C2] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 15.846379][ C2] alloc_bprm (fs/exec.c:1458) 
[ 15.846383][ C2] do_execveat_common.isra.0 (fs/exec.c:1859) 
[ 15.846387][ C2] ? getname_flags (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 fs/namei.c:132 fs/namei.c:213) 
[ 15.846391][ C2] __x64_sys_execve (fs/exec.c:2053) 
[ 15.846395][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 15.846398][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.846401][    C2] RIP: 0033:0x7ff5ce61440b
[ 15.846404][ C2] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48
All code
========
   0:	c0 75 03 5f          	shlb   $0x5f,0x3(%rbp)
   4:	ff e7                	jmp    *%rdi
   6:	c3                   	ret
   7:	48 8b 0d f1 a9 1b 00 	mov    0x1ba9f1(%rip),%rcx        # 0x1ba9ff
   e:	f7 d8                	neg    %eax
  10:	64 89 01             	mov    %eax,%fs:(%rcx)
  13:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  17:	c3                   	ret
  18:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 3b 00 00 00       	mov    $0x3b,%eax
  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 c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9ff
  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 c5 a9 1b 00 	mov    0x1ba9c5(%rip),%rcx        # 0x1ba9d5
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.846406][    C2] RSP: 002b:00007ffc30b6b8d8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   15.846408][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5ce61440b
[   15.846410][    C2] RDX: 00005625a7d4c620 RSI: 00005625a7d3fd70 RDI: 00005625a7d4d140
[   15.846412][    C2] RBP: 00005625a7d4d140 R08: 00005625a7d4bed0 R09: 0000000000000020
[   15.846413][    C2] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff
[   15.846415][    C2] R13: 00005625a7d3fd70 R14: 00005625a7d4c620 R15: 00005625a7d3b650
| [   18.067916][    C2] INFO: lockdep is turned off.
| [   18.068115][    C2] Preemption disabled at:
| [ 18.068116][ C2] 0x0 
| [   18.068479][    C2] Tainted: [W]=WARN
[   18.068480][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.068482][    C2] Call Trace:
[   18.068484][    C2]  <IRQ>
[ 18.068486][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 18.068493][ C2] __might_resched (kernel/sched/core.c:8796) 
[ 18.068501][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 18.068505][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 18.068508][ C2] ? simple_recursive_removal (fs/libfs.c:614) 
[ 18.068513][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.068517][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 18.068523][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:617) 
[ 18.068526][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 18.068529][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 18.068535][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 18.068538][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:412 lib/ref_tracker.c:196) 
[ 18.068544][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:254) 
[ 18.068548][ C2] ? __sk_destruct (./include/linux/instrumented.h:96 ./include/linux/atomic/atomic-instrumented.h:400 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/refcount.h:450 ./include/net/net_namespace.h:287 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 18.068553][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.068556][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:190) 
[ 18.068560][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 18.068564][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[ 18.068569][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.068573][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.068577][ C2] ? qlist_free_all (mm/kasan/quarantine.c:174) 
[ 18.068582][ C2] ? kasan_quarantine_reduce (./include/linux/srcu.h:400 mm/kasan/quarantine.c:287) 
[ 18.068585][ C2] ? __kasan_slab_alloc (mm/kasan/common.c:329) 
[ 18.068589][ C2] ? kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 18.068593][ C2] ? fuse_request_alloc (fs/fuse/dev.c:142) 
[ 18.068598][ C2] ? __fuse_simple_request (fs/fuse/dev.c:654) 
[ 18.068602][ C2] ? fuse_file_put (fs/fuse/file.c:98 fs/fuse/file.c:115 fs/fuse/file.c:102) 
[ 18.068605][ C2] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 18.068609][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.068613][ C2] __put_net (net/core/net_namespace.c:732) 
[ 18.068617][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2376) 
[ 18.068621][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.068623][ C2] rcu_do_batch (kernel/rcu/tree.c:2576) 
[ 18.068627][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2500) 
[ 18.068631][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.068634][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 18.068640][ C2] rcu_core (kernel/rcu/tree.c:2834) 
[ 18.068644][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 18.068649][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 18.068652][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 18.068655][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[   18.068658][    C2]  </IRQ>
[   18.068659][    C2]  <TASK>
[ 18.068661][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 18.068663][ C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.068667][ C2] Code: 74 24 10 e8 c1 1e 83 fd 48 89 ef e8 79 71 83 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> fa 6e 77 fd 65 8b 05 13 6d 97 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	c1 1e 83             	rcrl   $0x83,(%rsi)
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 79 71 83 fd       	call   0xfffffffffd837189
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 fa 6e 77 fd       	call   0xfffffffffd776f29		<-- trapping instruction
  2f:	65 8b 05 13 6d 97 02 	mov    %gs:0x2976d13(%rip),%eax        # 0x2976d49
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 fa 6e 77 fd       	call   0xfffffffffd776eff
   5:	65 8b 05 13 6d 97 02 	mov    %gs:0x2976d13(%rip),%eax        # 0x2976d1f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
[   18.068670][    C2] RSP: 0018:ffffc90000a67bb8 EFLAGS: 00000206
[   18.068673][    C2] RAX: 0000000000000046 RBX: 0000000000000200 RCX: ffffffffb5443b9f
[   18.068676][    C2] RDX: 0000000000000000 RSI: ffffffffb7c53b60 RDI: 0000000000000001
[   18.068677][    C2] RBP: ffff88800104fd00 R08: 0000000000000000 R09: 0000000000000000
[   18.068679][    C2] R10: ffffffffb93e68d7 R11: ffffc90000a679e8 R12: ffff88800c479bf8
[   18.068681][    C2] R13: 0000000000000000 R14: ffffc90000a67c08 R15: ffff8880014f3db8
[ 18.068685][ C2] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:654 ./include/linux/cpumask.h:1210 ./include/trace/events/preemptirq.h:40) 
[ 18.068690][ C2] qlist_free_all (mm/kasan/quarantine.c:174) 
[ 18.068694][ C2] kasan_quarantine_reduce (./include/linux/srcu.h:400 mm/kasan/quarantine.c:287) 
[ 18.068698][ C2] __kasan_slab_alloc (mm/kasan/common.c:329) 
[ 18.068702][ C2] kmem_cache_alloc_noprof (./include/linux/kasan.h:250 mm/slub.c:4147 mm/slub.c:4196 mm/slub.c:4203) 
[ 18.068707][ C2] fuse_request_alloc (fs/fuse/dev.c:142) 
[ 18.068710][ C2] __fuse_simple_request (fs/fuse/dev.c:654) 
[ 18.068715][ C2] fuse_file_put (fs/fuse/file.c:98 fs/fuse/file.c:115 fs/fuse/file.c:102) 
[ 18.068718][ C2] fuse_release (fs/fuse/file.c:383) 
[ 18.068722][ C2] __fput (fs/file_table.c:465) 
[ 18.068728][ C2] task_work_run (kernel/task_work.c:229 (discriminator 1)) 
[ 18.068733][ C2] ? __pfx_task_work_run (kernel/task_work.c:195) 
[ 18.068736][ C2] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) 
[ 18.068741][ C2] do_exit (kernel/exit.c:960) 
[ 18.068746][ C2] do_group_exit (kernel/exit.c:1089) 
[ 18.068751][ C2] __x64_sys_exit_group (kernel/exit.c:1117) 
[ 18.068754][ C2] x64_sys_call (arch/x86/entry/syscall_64.c:37) 
[ 18.068759][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.068763][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.068766][    C2] RIP: 0033:0x7f32d17e7abd
[ 18.068768][ C2] Code: Unable to access opcode bytes at 0x7f32d17e7a93.

Code starting with the faulting instruction
===========================================
[   18.068769][    C2] RSP: 002b:00007ffdf9370c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   18.068772][    C2] RAX: ffffffffffffffda RBX: 00007f32d18c49c0 RCX: 00007f32d17e7abd
[   18.068774][    C2] RDX: 00000000000000e7 RSI: ffffffffffffff80 RDI: 0000000000000000
[   18.068776][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000020
[   18.068777][    C2] R10: 00007ffdf9370af0 R11: 0000000000000246 R12: 00007f32d18c49c0


Finger prints:
__might_resched:down_write:simple_recursive_removal:debugfs_remove:ref_tracker_dir_exit
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
handle_softirqs:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal