======================================
| [ 83.180591][ C1] #0: ffff88800c571620 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap (./include/linux/seqlock.h:431 ./include/linux/mmap_lock.h:82 ./include/linux/mmap_lock.h:129 mm/mmap.c:1292) 
| [ 83.180960][ C1] #1: ffffffff9b788a40 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2562) 
| [   83.181325][    C1]
| [   83.181325][    C1] stack backtrace:
[   83.181595][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.181598][    C1] Call Trace:
[   83.181600][    C1]  <IRQ>
[ 83.181601][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 83.181606][ C1] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 83.181611][ C1] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 83.181615][ C1] ? exit_mmap (mm/mmap.c:1304) 
[ 83.181619][ C1] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 83.181624][ C1] ? save_trace (kernel/locking/lockdep.c:594) 
[ 83.181628][ C1] mark_lock (kernel/locking/lockdep.c:4754) 
[ 83.181632][ C1] mark_usage (kernel/locking/lockdep.c:4643) 
[ 83.181636][ C1] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 83.181641][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 83.181645][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 83.181649][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 83.181654][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 83.181657][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 83.181661][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 83.181663][ C1] ? simple_pin_fs (fs/libfs.c:1066) 
[ 83.181666][ C1] simple_pin_fs (fs/libfs.c:1066) 
[ 83.181669][ C1] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 83.181673][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 83.181677][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 83.181680][ C1] ? __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) 
[ 83.181684][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 83.181687][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 83.181689][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 83.181693][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 83.181696][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 83.181701][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 83.181704][ C1] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 83.181709][ C1] ? free_unref_folios (mm/page_alloc.c:1276 mm/page_alloc.c:2774) 
[ 83.181711][ C1] ? folios_put_refs (mm/swap.c:992) 
[ 83.181715][ C1] ? free_pages_and_swap_cache (mm/swap_state.c:257) 
[ 83.181720][ C1] ? __tlb_batch_free_encoded_pages (mm/mmu_gather.c:137) 
[ 83.181723][ C1] ? tlb_finish_mmu (mm/mmu_gather.c:148 mm/mmu_gather.c:397 mm/mmu_gather.c:404 mm/mmu_gather.c:496) 
[ 83.181726][ C1] ? exit_mmap (mm/mmap.c:1304) 
[ 83.181731][ C1] __put_net (net/core/net_namespace.c:732) 
[ 83.181735][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 83.181738][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 83.181741][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 83.181745][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 83.181749][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 83.181753][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 83.181756][ C1] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 83.181759][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 83.181763][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 83.181768][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 83.181773][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 83.181777][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 83.181780][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   83.181783][    C1]  </IRQ>
[   83.181784][    C1]  <TASK>
[ 83.181786][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 83.181788][ C1] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 83.181792][ C1] 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
[   83.181795][    C1] RSP: 0018:ffffc90000b776c8 EFLAGS: 00000206
[   83.181798][    C1] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[   83.181800][    C1] RDX: 0000000000000000 RSI: ffffffff9ad0e9f8 RDI: 0000000000000001
[   83.181802][    C1] RBP: ffffffff9e1f2a70 R08: 0000000000000001 R09: 0000000000000001
[   83.181804][    C1] R10: ffffffff9c270397 R11: ffffffff9e1f2a88 R12: dffffc0000000000
[   83.181806][    C1] R13: ffff88800fd87000 R14: 0000000000000000 R15: ffff88800fd88000
[ 83.181812][ C1] __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 83.181815][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 83.181822][ C1] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 83.181826][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 83.181831][ C1] free_unref_folios (mm/page_alloc.c:1276 mm/page_alloc.c:2774) 
[ 83.181835][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 83.181839][ C1] folios_put_refs (mm/swap.c:992) 
[ 83.181843][ C1] ? __pfx_folios_put_refs (mm/swap.c:942) 
[ 83.181846][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 83.181849][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 83.181852][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 83.181855][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 83.181859][ C1] free_pages_and_swap_cache (mm/swap_state.c:257) 
[ 83.181864][ C1] ? __pfx_free_pages_and_swap_cache (mm/swap_state.c:252) 
[ 83.181871][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 83.181883][ C1] __tlb_batch_free_encoded_pages (mm/mmu_gather.c:137) 
[ 83.181888][ C1] tlb_finish_mmu (mm/mmu_gather.c:148 mm/mmu_gather.c:397 mm/mmu_gather.c:404 mm/mmu_gather.c:496) 
[ 83.181892][ C1] exit_mmap (mm/mmap.c:1304) 
[ 83.181896][ C1] ? __pfx_exit_mmap (mm/mmap.c:1259) 
[ 83.181901][ C1] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:924) 
[ 83.181911][ C1] mmput (kernel/fork.c:1447 kernel/fork.c:1382 kernel/fork.c:1402) 
[ 83.181916][ C1] exit_mm (kernel/exit.c:590) 
[ 83.181920][ C1] do_exit (kernel/exit.c:943) 
[ 83.181922][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 83.181926][ C1] do_group_exit (kernel/exit.c:1083) 
[ 83.181930][ C1] __x64_sys_exit_group (kernel/exit.c:1111) 
[ 83.181933][ C1] x64_sys_call (arch/x86/entry/syscall_64.c:37) 
[ 83.181935][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 83.181941][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   83.181943][    C1] RIP: 0033:0x7f662b041abd
[ 83.181946][ C1] Code: Unable to access opcode bytes at 0x7f662b041a93.

Code starting with the faulting instruction
===========================================
[   83.181948][    C1] RSP: 002b:00007ffe9bb4f998 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   83.181950][    C1] RAX: ffffffffffffffda RBX: 00007f662b11e9c0 RCX: 00007f662b041abd
[   83.181952][    C1] RDX: 00000000000000e7 RSI: ffffffffffffff80 RDI: 0000000000000000
[   83.181954][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000100
[   83.181955][    C1] R10: 00007ffe9bb4f680 R11: 0000000000000246 R12: 00007f662b11e9c0
[   83.181957][    C1] R13: 00007f662b123ee0 R14: 0000000000000002 R15: 00007f662b123ec8
| [   83.207725][    C1] RCU nest depth: 0, expected: 0
| [   83.207918][    C1] INFO: lockdep is turned off.
| [   83.208111][    C1] Preemption disabled at:
| [ 83.208113][ C1] 0x0 
[   83.208593][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.208595][    C1] Call Trace:
[   83.208597][    C1]  <IRQ>
[ 83.208599][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 83.208607][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 83.208612][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 83.208618][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 83.208621][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 83.208626][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 83.208631][ C1] ? 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) 
[ 83.208635][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 83.208639][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 83.208645][ C1] ? 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) 
[ 83.208649][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 83.208652][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 83.208656][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 83.208659][ C1] ? __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) 
[ 83.208662][ C1] ? rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 83.208667][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 83.208669][ C1] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 83.208675][ C1] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 83.208679][ C1] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 83.208683][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 83.208687][ C1] ? __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 83.208691][ C1] ? free_unref_folios (mm/page_alloc.c:1276 mm/page_alloc.c:2774) 
[ 83.208695][ C1] ? folios_put_refs (mm/swap.c:992) 
[ 83.208699][ C1] ? free_pages_and_swap_cache (mm/swap_state.c:257) 
[ 83.208705][ C1] ? __tlb_batch_free_encoded_pages (mm/mmu_gather.c:137) 
[ 83.208709][ C1] ? tlb_finish_mmu (mm/mmu_gather.c:148 mm/mmu_gather.c:397 mm/mmu_gather.c:404 mm/mmu_gather.c:496) 
[ 83.208712][ C1] ? exit_mmap (mm/mmap.c:1304) 
[ 83.208717][ C1] __put_net (net/core/net_namespace.c:732) 
[ 83.208722][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2366) 
[ 83.208725][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 83.208728][ C1] rcu_do_batch (./include/linux/rcupdate.h:341 kernel/rcu/tree.c:2570) 
[ 83.208732][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 83.208737][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 83.208740][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 83.208744][ C1] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 83.208748][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 83.208752][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 83.208757][ C1] handle_softirqs (kernel/softirq.c:580) 
[ 83.208763][ C1] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 83.208766][ C1] irq_exit_rcu (kernel/softirq.c:698) 
[ 83.208770][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   83.208773][    C1]  </IRQ>
[   83.208774][    C1]  <TASK>
[ 83.208776][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 83.208778][ C1] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 83.208782][ C1] 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
[   83.208785][    C1] RSP: 0018:ffffc90000b776c8 EFLAGS: 00000206
[   83.208788][    C1] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[   83.208790][    C1] RDX: 0000000000000000 RSI: ffffffff9ad0e9f8 RDI: 0000000000000001
[   83.208792][    C1] RBP: ffffffff9e1f2a70 R08: 0000000000000001 R09: 0000000000000001
[   83.208793][    C1] R10: ffffffff9c270397 R11: ffffffff9e1f2a88 R12: dffffc0000000000
[   83.208795][    C1] R13: ffff88800fd87000 R14: 0000000000000000 R15: ffff88800fd88000
[ 83.208801][ C1] __debug_check_no_obj_freed (lib/debugobjects.c:1110) 
[ 83.208804][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 83.208811][ C1] ? __pfx___debug_check_no_obj_freed (lib/debugobjects.c:1070) 
[ 83.208816][ C1] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:107 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) 
[ 83.208820][ C1] free_unref_folios (mm/page_alloc.c:1276 mm/page_alloc.c:2774) 
[ 83.208824][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 83.208828][ C1] folios_put_refs (mm/swap.c:992) 
[ 83.208832][ C1] ? __pfx_folios_put_refs (mm/swap.c:942) 
[ 83.208835][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 83.208838][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 83.208841][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 83.208844][ C1] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 83.208849][ C1] free_pages_and_swap_cache (mm/swap_state.c:257) 
[ 83.208853][ C1] ? __pfx_free_pages_and_swap_cache (mm/swap_state.c:252) 
[ 83.208860][ C1] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 83.208872][ C1] __tlb_batch_free_encoded_pages (mm/mmu_gather.c:137) 
[ 83.208876][ C1] tlb_finish_mmu (mm/mmu_gather.c:148 mm/mmu_gather.c:397 mm/mmu_gather.c:404 mm/mmu_gather.c:496) 
[ 83.208881][ C1] exit_mmap (mm/mmap.c:1304) 
[ 83.208885][ C1] ? __pfx_exit_mmap (mm/mmap.c:1259) 
[ 83.208890][ C1] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:924) 
[ 83.208899][ C1] mmput (kernel/fork.c:1447 kernel/fork.c:1382 kernel/fork.c:1402) 
[ 83.208904][ C1] exit_mm (kernel/exit.c:590) 
[ 83.208907][ C1] do_exit (kernel/exit.c:943) 
[ 83.208909][ C1] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) 
[ 83.208913][ C1] do_group_exit (kernel/exit.c:1083) 
[ 83.208917][ C1] __x64_sys_exit_group (kernel/exit.c:1111) 
[ 83.208920][ C1] x64_sys_call (arch/x86/entry/syscall_64.c:37) 
[ 83.208924][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 83.208930][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   83.208932][    C1] RIP: 0033:0x7f662b041abd
[ 83.208935][ C1] Code: Unable to access opcode bytes at 0x7f662b041a93.

Code starting with the faulting instruction
===========================================
[   83.208936][    C1] RSP: 002b:00007ffe9bb4f998 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   83.208938][    C1] RAX: ffffffffffffffda RBX: 00007f662b11e9c0 RCX: 00007f662b041abd
[   83.208940][    C1] RDX: 00000000000000e7 RSI: ffffffffffffff80 RDI: 0000000000000000
[   83.208942][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000100
[   83.208944][    C1] R10: 00007ffe9bb4f680 R11: 0000000000000246 R12: 00007f662b11e9c0


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