======================================
| [ 15.499620][ C2] #5: ffff888036133460 (lock#3){+.+.}-{3:3}, at: __folio_batch_add_and_move (./include/linux/local_lock_internal.h:38 mm/swap.c:192) 
| [ 15.499987][ C2] #6: ffffffff93b74480 (rcu_callback){....}-{0:0}, at: rcu_do_batch (./include/linux/rcupdate.h:331 kernel/rcu/tree.c:2562) 
| [   15.500348][    C2]
| [   15.500348][    C2] stack backtrace:
[   15.500611][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.500613][    C2] Call Trace:
[   15.500616][    C2]  <IRQ>
[ 15.500618][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.500625][ C2] print_usage_bug.part.0 (kernel/locking/lockdep.c:4046) 
[ 15.500631][ C2] mark_lock_irq (kernel/locking/lockdep.c:4011 kernel/locking/lockdep.c:4057 kernel/locking/lockdep.c:4268) 
[ 15.500636][ C2] ? __pfx_unwind_next_frame (arch/x86/kernel/unwind_orc.c:469) 
[ 15.500642][ C2] ? save_trace (kernel/locking/lockdep.c:594) 
[ 15.500647][ C2] mark_lock (kernel/locking/lockdep.c:4754) 
[ 15.500651][ C2] mark_usage (kernel/locking/lockdep.c:4643) 
[ 15.500654][ C2] __lock_acquire (kernel/locking/lockdep.c:5189) 
[ 15.500660][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:472 kernel/locking/lockdep.c:5868) 
[ 15.500663][ C2] ? simple_pin_fs (fs/libfs.c:1066) 
[ 15.500668][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 15.500675][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 15.500678][ C2] ? simple_pin_fs (fs/libfs.c:1066) 
[ 15.500683][ C2] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) 
[ 15.500686][ C2] ? simple_pin_fs (fs/libfs.c:1066) 
[ 15.500689][ C2] simple_pin_fs (fs/libfs.c:1066) 
[ 15.500693][ C2] debugfs_remove (fs/debugfs/inode.c:805 fs/debugfs/inode.c:799) 
[ 15.500697][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 15.500703][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 15.500706][ 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:2333) 
[ 15.500713][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 15.500716][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 15.500719][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.500721][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 15.500725][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.500730][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.500733][ C2] ? folio_batch_move_lru (mm/swap.c:176) 
[ 15.500736][ C2] ? __folio_batch_add_and_move (mm/swap.c:198) 
[ 15.500739][ C2] ? folio_mark_accessed (./include/linux/page-flags.h:549 mm/swap.c:477 mm/swap.c:449) 
[ 15.500742][ C2] ? zap_present_ptes.constprop.0 (mm/memory.c:1510 mm/memory.c:1586) 
[ 15.500747][ C2] ? zap_pte_range (mm/memory.c:1733) 
[ 15.500749][ C2] ? zap_p4d_range (mm/memory.c:1823 mm/memory.c:1852 mm/memory.c:1873) 
[ 15.500753][ C2] ? unmap_page_range (mm/memory.c:1894) 
[ 15.500757][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.500761][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 15.500765][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 15.500768][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 15.500772][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 15.500775][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 15.500779][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 15.500783][ C2] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 15.500786][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 15.500791][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 15.500794][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.500799][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.500801][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.500804][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   15.500807][    C2]  </IRQ>
[   15.500808][    C2]  <TASK>
[ 15.500810][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.500813][ C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.500817][ C2] Code: 74 24 10 e8 91 3e 86 fd 48 89 ef e8 09 91 86 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> 2a 99 7a fd 65 8b 05 83 08 99 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:	91                   	xchg   %eax,%ecx
   5:	3e 86 fd             	ds xchg %bh,%ch
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 09 91 86 fd       	call   0xfffffffffd869119
  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 2a 99 7a fd       	call   0xfffffffffd7a9959		<-- trapping instruction
  2f:	65 8b 05 83 08 99 02 	mov    %gs:0x2990883(%rip),%eax        # 0x29908b9
  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 2a 99 7a fd       	call   0xfffffffffd7a992f
   5:	65 8b 05 83 08 99 02 	mov    %gs:0x2990883(%rip),%eax        # 0x299088f
   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
[   15.500820][    C2] RSP: 0018:ffffc90000ac73e0 EFLAGS: 00000206
[   15.500824][    C2] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[   15.500826][    C2] RDX: 0000000000000000 RSI: ffffffff93685f31 RDI: 0000000000000001
[   15.500828][    C2] RBP: ffff88803fffed90 R08: 0000000000000001 R09: 0000000000000001
[   15.500829][    C2] R10: ffffffff945d8197 R11: ffff88803fffeda8 R12: 000000000000001f
[   15.500831][    C2] R13: dffffc0000000000 R14: ffff888036133890 R15: ffffed1006c26712
[ 15.500837][ C2] folio_batch_move_lru (mm/swap.c:176) 
[ 15.500841][ C2] ? __pfx_lru_activate (mm/swap.c:299) 
[ 15.500845][ C2] ? __pfx_lru_activate (mm/swap.c:299) 
[ 15.500848][ C2] __folio_batch_add_and_move (mm/swap.c:198) 
[ 15.500853][ C2] folio_mark_accessed (./include/linux/page-flags.h:549 mm/swap.c:477 mm/swap.c:449) 
[ 15.500856][ C2] ? folio_remove_rmap_ptes (mm/internal.h:1024 mm/rmap.c:1787 mm/rmap.c:1804) 
[ 15.500861][ C2] zap_present_ptes.constprop.0 (mm/memory.c:1510 mm/memory.c:1586) 
[ 15.500865][ C2] ? zap_pte_range (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/linux/pgtable.h:136 mm/memory.c:1761) 
[ 15.500868][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 15.500872][ C2] zap_pte_range (mm/memory.c:1733) 
[ 15.500879][ C2] ? __pfx_zap_pte_range (mm/memory.c:1701) 
[ 15.500887][ C2] zap_p4d_range (mm/memory.c:1823 mm/memory.c:1852 mm/memory.c:1873) 
[ 15.500893][ C2] unmap_page_range (mm/memory.c:1894) 
[ 15.500898][ C2] unmap_vmas (./include/linux/hugetlb_inline.h:11 ./include/linux/hugetlb.h:261 mm/memory.c:1986) 
[ 15.500902][ C2] ? __pfx_unmap_vmas (mm/memory.c:1969) 
[ 15.500907][ C2] ? mas_next_slot (lib/maple_tree.c:800 lib/maple_tree.c:4712) 
[ 15.500916][ C2] exit_mmap (./arch/x86/include/asm/jump_label.h:36 ./include/linux/mmap_lock.h:41 ./include/linux/mmap_lock.h:210 mm/mmap.c:1285) 
[ 15.500919][ C2] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 15.500925][ C2] ? __pfx_exit_mmap (mm/mmap.c:1259) 
[ 15.500930][ C2] ? __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) 
[ 15.500941][ C2] mmput (kernel/fork.c:1446 kernel/fork.c:1381 kernel/fork.c:1401) 
[ 15.500947][ C2] exec_mmap (fs/exec.c:1014) 
[ 15.500951][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 15.500955][ C2] begin_new_exec (fs/exec.c:1264) 
[ 15.500959][ C2] load_elf_binary (fs/binfmt_elf.c:1002) 
[ 15.500967][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 15.500972][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 15.500975][ C2] ? __pfx_load_elf_binary (fs/binfmt_elf.c:825) 
[ 15.500978][ C2] ? exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 15.500984][ C2] exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 15.500989][ C2] ? __pfx_exec_binprm (fs/exec.c:1794) 
[ 15.500993][ C2] ? bprm_execve (fs/exec.c:1852 fs/exec.c:1838) 
[ 15.500999][ C2] bprm_execve (fs/exec.c:1862 fs/exec.c:1838) 
[ 15.501003][ C2] do_execveat_common.isra.0 (fs/exec.c:1968) 
[ 15.501008][ C2] __x64_sys_execve (fs/exec.c:2113) 
[ 15.501011][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 15.501017][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.501019][    C2] RIP: 0033:0x7fd7665e040b
[ 15.501029][ C2] Code: Unable to access opcode bytes at 0x7fd7665e03e1.

Code starting with the faulting instruction
===========================================
[   15.501030][    C2] RSP: 002b:00007ffec187a5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   15.501033][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd7665e040b
[   15.501035][    C2] RDX: 0000563558b205a0 RSI: 0000563558b13ce0 RDI: 0000563558b1f5e0
[   15.501037][    C2] RBP: 0000563558b1f5e0 R08: 0000563558b2dbc0 R09: 0000000000000020
[   15.501039][    C2] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff
[   15.501041][    C2] R13: 0000563558b13ce0 R14: 0000563558b205a0 R15: 0000563558b1ff80
| [   15.525718][    C2] RCU nest depth: 1, expected: 0
| [   15.525936][    C2] INFO: lockdep is turned off.
| [   15.526140][    C2] Preemption disabled at:
| [ 15.526141][ C2] 0x0 
[   15.526504][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.526506][    C2] Call Trace:
[   15.526507][    C2]  <IRQ>
[ 15.526509][ C2] dump_stack_lvl (lib/dump_stack.c:123) 
[ 15.526518][ C2] __might_resched (kernel/sched/core.c:8819) 
[ 15.526526][ C2] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 15.526530][ C2] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 15.526533][ C2] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 15.526538][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 15.526545][ 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) 
[ 15.526551][ C2] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 15.526553][ C2] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 15.526558][ 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) 
[ 15.526563][ C2] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 15.526566][ C2] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 15.526572][ C2] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 15.526575][ 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:2333) 
[ 15.526581][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 15.526586][ C2] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 15.526589][ C2] ? irq_exit_rcu (kernel/softirq.c:698) 
[ 15.526593][ C2] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[ 15.526599][ C2] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.526603][ C2] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.526608][ C2] ? folio_batch_move_lru (mm/swap.c:176) 
[ 15.526615][ C2] ? __folio_batch_add_and_move (mm/swap.c:198) 
[ 15.526618][ C2] ? folio_mark_accessed (./include/linux/page-flags.h:549 mm/swap.c:477 mm/swap.c:449) 
[ 15.526622][ C2] ? zap_present_ptes.constprop.0 (mm/memory.c:1510 mm/memory.c:1586) 
[ 15.526627][ C2] ? zap_pte_range (mm/memory.c:1733) 
[ 15.526630][ C2] ? zap_p4d_range (mm/memory.c:1823 mm/memory.c:1852 mm/memory.c:1873) 
[ 15.526633][ C2] ? unmap_page_range (mm/memory.c:1894) 
[ 15.526638][ C2] __put_net (net/core/net_namespace.c:732) 
[ 15.526642][ C2] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 15.526646][ C2] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 15.526649][ C2] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 15.526653][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 15.526658][ C2] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 15.526662][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4326) 
[ 15.526666][ C2] ? note_gp_changes (kernel/rcu/tree.c:1324 (discriminator 1)) 
[ 15.526669][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473) 
[ 15.526674][ C2] rcu_core (kernel/rcu/tree.c:2826) 
[ 15.526677][ C2] handle_softirqs (kernel/softirq.c:579) 
[ 15.526682][ C2] __irq_exit_rcu (kernel/softirq.c:614 kernel/softirq.c:453 kernel/softirq.c:680) 
[ 15.526685][ C2] irq_exit_rcu (kernel/softirq.c:698) 
[ 15.526687][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1049 arch/x86/kernel/apic/apic.c:1049) 
[   15.526690][    C2]  </IRQ>
[   15.526691][    C2]  <TASK>
[ 15.526693][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 15.526696][ C2] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 15.526700][ C2] Code: 74 24 10 e8 91 3e 86 fd 48 89 ef e8 09 91 86 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> 2a 99 7a fd 65 8b 05 83 08 99 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:	91                   	xchg   %eax,%ecx
   5:	3e 86 fd             	ds xchg %bh,%ch
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 09 91 86 fd       	call   0xfffffffffd869119
  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 2a 99 7a fd       	call   0xfffffffffd7a9959		<-- trapping instruction
  2f:	65 8b 05 83 08 99 02 	mov    %gs:0x2990883(%rip),%eax        # 0x29908b9
  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 2a 99 7a fd       	call   0xfffffffffd7a992f
   5:	65 8b 05 83 08 99 02 	mov    %gs:0x2990883(%rip),%eax        # 0x299088f
   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
[   15.526703][    C2] RSP: 0018:ffffc90000ac73e0 EFLAGS: 00000206
[   15.526706][    C2] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[   15.526708][    C2] RDX: 0000000000000000 RSI: ffffffff93685f31 RDI: 0000000000000001
[   15.526710][    C2] RBP: ffff88803fffed90 R08: 0000000000000001 R09: 0000000000000001
[   15.526712][    C2] R10: ffffffff945d8197 R11: ffff88803fffeda8 R12: 000000000000001f
[   15.526714][    C2] R13: dffffc0000000000 R14: ffff888036133890 R15: ffffed1006c26712
[ 15.526720][ C2] folio_batch_move_lru (mm/swap.c:176) 
[ 15.526723][ C2] ? __pfx_lru_activate (mm/swap.c:299) 
[ 15.526728][ C2] ? __pfx_lru_activate (mm/swap.c:299) 
[ 15.526731][ C2] __folio_batch_add_and_move (mm/swap.c:198) 
[ 15.526735][ C2] folio_mark_accessed (./include/linux/page-flags.h:549 mm/swap.c:477 mm/swap.c:449) 
[ 15.526739][ C2] ? folio_remove_rmap_ptes (mm/internal.h:1024 mm/rmap.c:1787 mm/rmap.c:1804) 
[ 15.526744][ C2] zap_present_ptes.constprop.0 (mm/memory.c:1510 mm/memory.c:1586) 
[ 15.526749][ C2] ? zap_pte_range (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/linux/pgtable.h:136 mm/memory.c:1761) 
[ 15.526751][ C2] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 15.526756][ C2] zap_pte_range (mm/memory.c:1733) 
[ 15.526763][ C2] ? __pfx_zap_pte_range (mm/memory.c:1701) 
[ 15.526771][ C2] zap_p4d_range (mm/memory.c:1823 mm/memory.c:1852 mm/memory.c:1873) 
[ 15.526777][ C2] unmap_page_range (mm/memory.c:1894) 
[ 15.526782][ C2] unmap_vmas (./include/linux/hugetlb_inline.h:11 ./include/linux/hugetlb.h:261 mm/memory.c:1986) 
[ 15.526786][ C2] ? __pfx_unmap_vmas (mm/memory.c:1969) 
[ 15.526791][ C2] ? mas_next_slot (lib/maple_tree.c:800 lib/maple_tree.c:4712) 
[ 15.526802][ C2] exit_mmap (./arch/x86/include/asm/jump_label.h:36 ./include/linux/mmap_lock.h:41 ./include/linux/mmap_lock.h:210 mm/mmap.c:1285) 
[ 15.526806][ C2] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 15.526812][ C2] ? __pfx_exit_mmap (mm/mmap.c:1259) 
[ 15.526817][ C2] ? __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) 
[ 15.526827][ C2] mmput (kernel/fork.c:1446 kernel/fork.c:1381 kernel/fork.c:1401) 
[ 15.526834][ C2] exec_mmap (fs/exec.c:1014) 
[ 15.526840][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 15.526844][ C2] begin_new_exec (fs/exec.c:1264) 
[ 15.526848][ C2] load_elf_binary (fs/binfmt_elf.c:1002) 
[ 15.526855][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5235) 
[ 15.526861][ C2] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 15.526864][ C2] ? __pfx_load_elf_binary (fs/binfmt_elf.c:825) 
[ 15.526867][ C2] ? exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 15.526873][ C2] exec_binprm (fs/exec.c:1778 fs/exec.c:1810) 
[ 15.526878][ C2] ? __pfx_exec_binprm (fs/exec.c:1794) 
[ 15.526882][ C2] ? bprm_execve (fs/exec.c:1852 fs/exec.c:1838) 
[ 15.526887][ C2] bprm_execve (fs/exec.c:1862 fs/exec.c:1838) 
[ 15.526891][ C2] do_execveat_common.isra.0 (fs/exec.c:1968) 
[ 15.526897][ C2] __x64_sys_execve (fs/exec.c:2113) 
[ 15.526900][ C2] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 15.526906][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   15.526909][    C2] RIP: 0033:0x7fd7665e040b
[ 15.526913][ C2] Code: Unable to access opcode bytes at 0x7fd7665e03e1.

Code starting with the faulting instruction
===========================================
[   15.526915][    C2] RSP: 002b:00007ffec187a5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
[   15.526918][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd7665e040b
[   15.526920][    C2] RDX: 0000563558b205a0 RSI: 0000563558b13ce0 RDI: 0000563558b1f5e0
[   15.526921][    C2] RBP: 0000563558b1f5e0 R08: 0000563558b2dbc0 R09: 0000000000000020
[   15.526923][    C2] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff
[   15.526924][    C2] R13: 0000563558b13ce0 R14: 0000563558b205a0 R15: 0000563558b1ff80
| [   17.567878][    C1] INFO: lockdep is turned off.
| [   17.568033][    C1] Preemption disabled at:
| [ 17.568035][ C1] handle_softirqs (kernel/softirq.c:553) 
| [   17.568354][    C1] Tainted: [W]=WARN
[   17.568356][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.568358][    C1] Call Trace:
[   17.568361][    C1]  <TASK>
[ 17.568363][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 17.568372][ C1] __might_resched (kernel/sched/core.c:8819) 
[ 17.568379][ C1] down_write (./include/linux/kernel.h:73 kernel/locking/rwsem.c:1576) 
[ 17.568383][ C1] ? __pfx_down_write (kernel/locking/rwsem.c:1575) 
[ 17.568386][ C1] ? simple_recursive_removal (./include/linux/dcache.h:345 fs/libfs.c:610) 
[ 17.568392][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 17.568401][ 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) 
[ 17.568406][ C1] simple_recursive_removal (./include/linux/dcache.h:409 ./include/linux/dcache.h:424 ./include/linux/dcache.h:434 fs/libfs.c:616) 
[ 17.568409][ C1] ? __pfx_remove_one (fs/debugfs/inode.c:780) 
[ 17.568414][ 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) 
[ 17.568419][ C1] debugfs_remove (fs/debugfs/inode.c:806 fs/debugfs/inode.c:799) 
[ 17.568422][ C1] ref_tracker_dir_exit (lib/ref_tracker.c:423 lib/ref_tracker.c:195) 
[ 17.568428][ C1] ? __pfx_ref_tracker_free (lib/ref_tracker.c:253) 
[ 17.568431][ 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:2333) 
[ 17.568438][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 17.568443][ C1] ? __pfx_ref_tracker_dir_exit (lib/ref_tracker.c:189) 
[ 17.568446][ C1] ? smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 17.568451][ C1] ? kthread (kernel/kthread.c:464) 
[ 17.568456][ C1] ? ret_from_fork (arch/x86/kernel/process.c:153) 
[ 17.568463][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 17.568469][ C1] ? migrate_enable (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:2417) 
[ 17.568474][ C1] ? __pfx_migrate_enable (kernel/sched/core.c:2392) 
[ 17.568478][ C1] ? bpf_sk_storage_free (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/bpf_sk_storage.c:61) 
[ 17.568484][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 17.568489][ C1] __put_net (net/core/net_namespace.c:732) 
[ 17.568493][ C1] __sk_destruct (./include/net/net_namespace.h:288 ./include/net/net_namespace.h:390 net/core/sock.c:2333) 
[ 17.568496][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 17.568499][ C1] rcu_do_batch (kernel/rcu/tree.c:2568) 
[ 17.568505][ C1] ? __pfx_rcu_do_batch (kernel/rcu/tree.c:2492) 
[ 17.568509][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 17.568512][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 17.568519][ C1] rcu_core (kernel/rcu/tree.c:2826) 
[ 17.568523][ C1] handle_softirqs (kernel/softirq.c:579) 
[ 17.568526][ C1] ? __pfx_run_ksoftirqd (kernel/softirq.c:961) 
[ 17.568529][ C1] run_ksoftirqd (kernel/softirq.c:436 kernel/softirq.c:969 kernel/softirq.c:960) 
[ 17.568532][ C1] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 17.568535][ C1] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 17.568538][ C1] kthread (kernel/kthread.c:464) 
[ 17.568541][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 17.568544][ C1] ? ret_from_fork (arch/x86/kernel/process.c:152) 
[ 17.568547][ C1] ? __lock_release (kernel/locking/lockdep.c:5534) 
[ 17.568553][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 17.568556][ C1] ? __pfx_kthread (kernel/kthread.c:413) 
[ 17.568560][ C1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 17.568563][ C1] ? __pfx_kthread (kernel/kthread.c:413) 


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
handle_softirqs:dump_stack_lvl:__might_resched:down_write:simple_recursive_removal