======================================
| [ 81.386298][ C3] #1: ffff88800ac739c8 (&fc->bg_lock){+.+.}-{3:3}, at: fuse_request_queue_background (fs/fuse/dev.c:720) 
| [ 81.386774][ C3] #2: ffffffffbc188a40 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2562) 
| [   81.387190][    C3]
| [   81.387190][    C3] stack backtrace:
[   81.387492][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.387494][    C3] Call Trace:
[   81.387496][    C3]  <IRQ>
[ 81.387498][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 81.387503][ C3] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 81.387508][ C3] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 81.387512][ C3] ? flush_bg_queue (fs/fuse/dev.c:418) 
[ 81.387515][ C3] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 81.387521][ C3] ? save_trace (kernel/locking/lockdep.c:594) 
[ 81.387525][ C3] mark_lock (kernel/locking/lockdep.c:4754) 
[ 81.387529][ C3] mark_usage (kernel/locking/lockdep.c:4643) 
[ 81.387533][ C3] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 81.387538][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 81.387541][ C3] ? simple_pin_fs (fs/libfs.c:1066) 
[ 81.387545][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 81.387549][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 81.387553][ C3] ? simple_pin_fs (fs/libfs.c:1066) 
[ 81.387556][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 81.387559][ C3] ? simple_pin_fs (fs/libfs.c:1066) 
[ 81.387562][ C3] simple_pin_fs (fs/libfs.c:1066) 
[ 81.387566][ C3] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 81.387569][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 81.387574][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 81.387577][ C3] ? __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:2366) 
[ 81.387581][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 81.387583][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 81.387586][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 81.387589][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 81.387592][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 81.387596][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 81.387598][ C3] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 81.387603][ C3] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 81.387606][ C3] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 81.387609][ C3] ? __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 81.387612][ C3] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 81.387615][ C3] ? virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 81.387617][ C3] ? flush_bg_queue (fs/fuse/dev.c:418) 
[ 81.387622][ C3] __put_net (net/core/net_namespace.c:732) 
[ 81.387626][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 81.387630][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 81.387633][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 81.387636][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 81.387640][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 81.387644][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 81.387647][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 81.387650][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 81.387654][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 81.387658][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 81.387664][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 81.387668][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 81.387671][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   81.387674][    C3]  </IRQ>
[   81.387675][    C3]  <TASK>
[ 81.387677][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 81.387679][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 81.387683][ C3] Code: 74 24 10 e8 d1 11 59 fd 48 89 ef e8 49 64 59 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> 6a 6c 4d fd 65 8b 05 43 b8 20 03 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	d1 11                	rcll   $1,(%rcx)
   6:	59                   	pop    %rcx
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 49 64 59 fd       	call   0xfffffffffd596459
  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 6a 6c 4d fd       	call   0xfffffffffd4d6c99		<-- trapping instruction
  2f:	65 8b 05 43 b8 20 03 	mov    %gs:0x320b843(%rip),%eax        # 0x320b879
  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 6a 6c 4d fd       	call   0xfffffffffd4d6c6f
   5:	65 8b 05 43 b8 20 03 	mov    %gs:0x320b843(%rip),%eax        # 0x320b84f
   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
[   81.387686][    C3] RSP: 0000:ffffc90000bc7128 EFLAGS: 00000206
[   81.387689][    C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
[   81.387691][    C3] RDX: 0000000000000000 RSI: ffffffffbb70e9f8 RDI: 0000000000000001
[   81.387693][    C3] RBP: ffff888001040cc0 R08: 0000000000000001 R09: 0000000000000001
[   81.387694][    C3] R10: ffffffffbcc70397 R11: ffff888001040cd8 R12: ffff888001040cc0
[   81.387696][    C3] R13: ffffea0000318600 R14: ffff888001042f40 R15: ffff88800c61e200
[ 81.387703][ C3] get_partial_node.part.0 (mm/slub.c:2902) 
[ 81.387708][ C3] ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 81.387712][ C3] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 81.387717][ C3] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 81.387719][ C3] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 81.387723][ C3] ? __kernel_text_address (kernel/extable.c:79) 
[ 81.387728][ C3] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 81.387730][ C3] __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 81.387735][ C3] virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 81.387739][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 81.387743][ C3] ? __pfx_virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1376) 
[ 81.387747][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 81.387751][ C3] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 81.387756][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 81.387761][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 81.387764][ C3] ? fuse_get_unique (fs/fuse/dev.c:317) 
[ 81.387768][ C3] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 81.387773][ C3] ? 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) 
[ 81.387777][ C3] virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 81.387780][ C3] ? fuse_send_one (fs/fuse/dev.c:400) 
[ 81.387785][ C3] flush_bg_queue (fs/fuse/dev.c:418) 
[ 81.387789][ C3] fuse_request_queue_background (./include/linux/spinlock.h:391 fs/fuse/dev.c:728) 
[ 81.387793][ C3] fuse_simple_background (fs/fuse/dev.c:753) 
[ 81.387796][ C3] fuse_send_readpages (fs/fuse/file.c:995) 
[ 81.387801][ C3] fuse_readahead (fs/fuse/file.c:1033) 
[ 81.387807][ C3] ? __pfx_fuse_readahead (fs/fuse/file.c:1006) 
[ 81.387809][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 81.387815][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 81.387818][ C3] read_pages (./include/linux/pagemap.h:1404 ./include/linux/pagemap.h:1444 mm/readahead.c:162) 
[ 81.387823][ C3] ? __folio_batch_add_and_move (./arch/x86/include/asm/preempt.h:104 mm/swap.c:201) 
[ 81.387827][ C3] ? __pfx_read_pages (mm/readahead.c:147) 
[ 81.387834][ C3] page_cache_ra_unbounded (./include/linux/fs.h:934 mm/readahead.c:298) 
[ 81.387840][ C3] do_sync_mmap_readahead (mm/filemap.c:3263) 
[ 81.387846][ C3] ? __pfx_do_sync_mmap_readahead (mm/filemap.c:3203) 
[ 81.387852][ C3] ? __filemap_get_folio (mm/filemap.c:1907) 
[ 81.387856][ C3] filemap_fault (mm/filemap.c:3403) 
[ 81.387859][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 81.387863][ C3] ? __pfx_filemap_map_pages (mm/filemap.c:3692) 
[ 81.387867][ C3] ? __pfx_filemap_fault (mm/filemap.c:3362) 
[ 81.387870][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 81.387873][ C3] ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/memory.c:5479) 
[ 81.387878][ C3] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 81.387882][ C3] ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/memory.c:5479) 
[ 81.387886][ C3] __do_fault (mm/memory.c:5098) 
[ 81.387890][ C3] do_pte_missing (mm/memory.c:5518 mm/memory.c:5652 mm/memory.c:4160) 
[ 81.387893][ C3] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 81.387897][ C3] handle_pte_fault (mm/memory.c:5997) 
[ 81.387901][ C3] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 81.387904][ C3] ? reacquire_held_locks (kernel/locking/lockdep.c:5383) 
[ 81.387907][ C3] ? do_user_addr_fault (arch/x86/mm/fault.c:1328) 
[ 81.387912][ C3] __handle_mm_fault (mm/memory.c:6140) 
[ 81.387916][ C3] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 81.387919][ C3] ? __lock_release (kernel/locking/lockdep.c:5580) 
[ 81.387926][ C3] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 81.387930][ C3] handle_mm_fault (mm/memory.c:6321) 
[ 81.387933][ C3] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 81.387936][ C3] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 81.387941][ C3] do_user_addr_fault (arch/x86/mm/fault.c:1338) 
[ 81.387945][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 81.387949][ C3] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1488 arch/x86/mm/fault.c:1538) 
[ 81.387953][ C3] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   81.387955][    C3] RIP: 0033:0x7f201aeff6c0
[ 81.387963][ C3] Code: Unable to access opcode bytes at 0x7f201aeff696.

Code starting with the faulting instruction
===========================================
[   81.387964][    C3] RSP: 002b:00007ffde655c8d8 EFLAGS: 00010246
[   81.387966][    C3] RAX: 0000000000000001 RBX: 0000562e4c7d2010 RCX: 0000000000000003
[   81.387968][    C3] RDX: 0000000000000001 RSI: 00007f201aeadd00 RDI: 0000562e4c7d2050
[   81.387970][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   81.387971][    C3] R10: 00007f202901cd50 R11: 93999276706bb5ef R12: 0000562e4c7d2050
[   81.387973][    C3] R13: 0000562e4c7d2030 R14: 0000000000000002 R15: 00007f2028ef1ec8
| [   81.423272][    C3] RCU nest depth: 0, expected: 0
| [   81.423496][    C3] INFO: lockdep is turned off.
| [   81.423717][    C3] Preemption disabled at:
| [ 81.423718][ C3] 0x0 
[   81.424129][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.424131][    C3] Call Trace:
[   81.424133][    C3]  <IRQ>
[ 81.424135][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 81.424143][ C3] __might_resched (kernel/sched/core.c:8819) 
[ 81.424149][ C3] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 81.424155][ C3] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 81.424159][ C3] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 81.424164][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 81.424169][ C3] ? 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) 
[ 81.424174][ C3] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 81.424177][ C3] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 81.424182][ C3] ? 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) 
[ 81.424186][ C3] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 81.424190][ C3] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 81.424195][ C3] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 81.424198][ C3] ? __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:2366) 
[ 81.424202][ C3] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 81.424206][ C3] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 81.424208][ C3] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 81.424213][ C3] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 81.424217][ C3] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 81.424221][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 81.424225][ C3] ? get_partial_node.part.0 (mm/slub.c:2902) 
[ 81.424229][ C3] ? ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 81.424233][ C3] ? __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 81.424236][ C3] ? __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 81.424239][ C3] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 81.424242][ C3] ? virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 81.424245][ C3] ? flush_bg_queue (fs/fuse/dev.c:418) 
[ 81.424251][ C3] __put_net (net/core/net_namespace.c:732) 
[ 81.424255][ C3] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 81.424258][ C3] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 81.424261][ C3] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 81.424265][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 81.424269][ C3] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 81.424273][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 81.424276][ C3] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 81.424279][ C3] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 81.424284][ C3] rcu_core (kernel/rcu/tree.c:2826) 
[ 81.424288][ C3] handle_softirqs (kernel/softirq.c:580) 
[ 81.424294][ C3] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 81.424297][ C3] irq_exit_rcu (kernel/softirq.c:698) 
[ 81.424301][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   81.424304][    C3]  </IRQ>
[   81.424305][    C3]  <TASK>
[ 81.424306][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 81.424309][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 81.424313][ C3] Code: 74 24 10 e8 d1 11 59 fd 48 89 ef e8 49 64 59 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> 6a 6c 4d fd 65 8b 05 43 b8 20 03 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	d1 11                	rcll   $1,(%rcx)
   6:	59                   	pop    %rcx
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 49 64 59 fd       	call   0xfffffffffd596459
  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 6a 6c 4d fd       	call   0xfffffffffd4d6c99		<-- trapping instruction
  2f:	65 8b 05 43 b8 20 03 	mov    %gs:0x320b843(%rip),%eax        # 0x320b879
  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 6a 6c 4d fd       	call   0xfffffffffd4d6c6f
   5:	65 8b 05 43 b8 20 03 	mov    %gs:0x320b843(%rip),%eax        # 0x320b84f
   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
[   81.424316][    C3] RSP: 0000:ffffc90000bc7128 EFLAGS: 00000206
[   81.424320][    C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
[   81.424322][    C3] RDX: 0000000000000000 RSI: ffffffffbb70e9f8 RDI: 0000000000000001
[   81.424323][    C3] RBP: ffff888001040cc0 R08: 0000000000000001 R09: 0000000000000001
[   81.424325][    C3] R10: ffffffffbcc70397 R11: ffff888001040cd8 R12: ffff888001040cc0
[   81.424327][    C3] R13: ffffea0000318600 R14: ffff888001042f40 R15: ffff88800c61e200
[ 81.424333][ C3] get_partial_node.part.0 (mm/slub.c:2902) 
[ 81.424339][ C3] ___slab_alloc (mm/slub.c:2863 mm/slub.c:2980 mm/slub.c:3838) 
[ 81.424343][ C3] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 81.424347][ C3] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 81.424350][ C3] __slab_alloc.constprop.0 (mm/slub.c:3948) 
[ 81.424353][ C3] ? __kernel_text_address (kernel/extable.c:79) 
[ 81.424358][ C3] ? virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 81.424361][ C3] __kmalloc_noprof (mm/slub.c:4023 mm/slub.c:4184 mm/slub.c:4326 mm/slub.c:4339) 
[ 81.424365][ C3] virtio_fs_enqueue_req (./include/linux/slab.h:909 ./include/linux/slab.h:948 fs/fuse/virtio_fs.c:1397) 
[ 81.424370][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 81.424375][ C3] ? __pfx_virtio_fs_enqueue_req (fs/fuse/virtio_fs.c:1376) 
[ 81.424378][ C3] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 81.424383][ C3] ? validate_chain (kernel/locking/lockdep.c:3802 kernel/locking/lockdep.c:3822 kernel/locking/lockdep.c:3877) 
[ 81.424388][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 81.424393][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 81.424397][ C3] ? fuse_get_unique (fs/fuse/dev.c:317) 
[ 81.424401][ C3] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 81.424405][ C3] ? 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) 
[ 81.424409][ C3] virtio_fs_send_req (fs/fuse/virtio_fs.c:1499) 
[ 81.424412][ C3] ? fuse_send_one (fs/fuse/dev.c:400) 
[ 81.424416][ C3] flush_bg_queue (fs/fuse/dev.c:418) 
[ 81.424421][ C3] fuse_request_queue_background (./include/linux/spinlock.h:391 fs/fuse/dev.c:728) 
[ 81.424424][ C3] fuse_simple_background (fs/fuse/dev.c:753) 
[ 81.424428][ C3] fuse_send_readpages (fs/fuse/file.c:995) 
[ 81.424433][ C3] fuse_readahead (fs/fuse/file.c:1033) 
[ 81.424438][ C3] ? __pfx_fuse_readahead (fs/fuse/file.c:1006) 
[ 81.424441][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 81.424446][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 81.424450][ C3] read_pages (./include/linux/pagemap.h:1404 ./include/linux/pagemap.h:1444 mm/readahead.c:162) 
[ 81.424456][ C3] ? __folio_batch_add_and_move (./arch/x86/include/asm/preempt.h:104 mm/swap.c:201) 
[ 81.424460][ C3] ? __pfx_read_pages (mm/readahead.c:147) 
[ 81.424467][ C3] page_cache_ra_unbounded (./include/linux/fs.h:934 mm/readahead.c:298) 
[ 81.424474][ C3] do_sync_mmap_readahead (mm/filemap.c:3263) 
[ 81.424479][ C3] ? __pfx_do_sync_mmap_readahead (mm/filemap.c:3203) 
[ 81.424485][ C3] ? __filemap_get_folio (mm/filemap.c:1907) 
[ 81.424489][ C3] filemap_fault (mm/filemap.c:3403) 
[ 81.424492][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 81.424496][ C3] ? __pfx_filemap_map_pages (mm/filemap.c:3692) 
[ 81.424500][ C3] ? __pfx_filemap_fault (mm/filemap.c:3362) 
[ 81.424503][ C3] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 81.424506][ C3] ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/memory.c:5479) 
[ 81.424511][ C3] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 81.424515][ C3] ? do_fault_around (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/memory.c:5479) 
[ 81.424519][ C3] __do_fault (mm/memory.c:5098) 
[ 81.424524][ C3] do_pte_missing (mm/memory.c:5518 mm/memory.c:5652 mm/memory.c:4160) 
[ 81.424526][ C3] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) 
[ 81.424530][ C3] handle_pte_fault (mm/memory.c:5997) 
[ 81.424534][ C3] ? __pfx_handle_pte_fault (mm/memory.c:5954) 
[ 81.424537][ C3] ? reacquire_held_locks (kernel/locking/lockdep.c:5383) 
[ 81.424540][ C3] ? do_user_addr_fault (arch/x86/mm/fault.c:1328) 
[ 81.424545][ C3] __handle_mm_fault (mm/memory.c:6140) 
[ 81.424549][ C3] ? __pfx___handle_mm_fault (mm/memory.c:6049) 
[ 81.424551][ C3] ? __lock_release (kernel/locking/lockdep.c:5580) 
[ 81.424559][ C3] ? __pfx_lock_vma_under_rcu (mm/memory.c:6547) 
[ 81.424562][ C3] handle_mm_fault (mm/memory.c:6321) 
[ 81.424565][ C3] ? __pfx_handle_mm_fault (mm/memory.c:6276) 
[ 81.424569][ C3] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 81.424573][ C3] do_user_addr_fault (arch/x86/mm/fault.c:1338) 
[ 81.424577][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 81.424581][ C3] exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1488 arch/x86/mm/fault.c:1538) 
[ 81.424585][ C3] asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623) 
[   81.424587][    C3] RIP: 0033:0x7f201aeff6c0
[ 81.424593][ C3] Code: Unable to access opcode bytes at 0x7f201aeff696.

Code starting with the faulting instruction
===========================================
[   81.424595][    C3] RSP: 002b:00007ffde655c8d8 EFLAGS: 00010246
[   81.424597][    C3] RAX: 0000000000000001 RBX: 0000562e4c7d2010 RCX: 0000000000000003
[   81.424599][    C3] RDX: 0000000000000001 RSI: 00007f201aeadd00 RDI: 0000562e4c7d2050
[   81.424600][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   81.424602][    C3] R10: 00007f202901cd50 R11: 93999276706bb5ef R12: 0000562e4c7d2050


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