------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(!test_bit(class_idx, lock_classes_in_use))
WARNING: CPU: 0 PID: 16477 at kernel/locking/lockdep.c:5058 __lock_acquire+0xfa9/0x5f30 kernel/locking/lockdep.c:5058
Modules linked in:
CPU: 0 PID: 16477 Comm: syz-executor.3 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:__lock_acquire+0xfa9/0x5f30 kernel/locking/lockdep.c:5058
Code: d2 0f 85 e1 48 00 00 44 8b 35 4f bc 15 0d 45 85 f6 0f 85 db fe ff ff 48 c7 c6 20 99 4c 8a 48 c7 c7 20 68 4c 8a e8 07 61 e6 ff <0f> 0b e9 c4 fe ff ff 8b 3d 3a 24 7b 10 85 ff 75 0a 48 83 fb ff 0f
RSP: 0018:ffffc900032ef7f0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801f438000 RSI: ffffffff814bd247 RDI: 0000000000000001
RBP: ffff88801f438000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 284e4f5f4e524157 R12: dffffc0000000000
R13: ffff88801f438b12 R14: 0000000000000000 R15: ffff88801f438af0
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f39bd188218 CR3: 0000000021641000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire.part.0+0x11c/0x370 kernel/locking/lockdep.c:5705
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:350 [inline]
 lockref_put_or_lock+0x18/0x80 lib/lockref.c:147
 fast_dput fs/dcache.c:775 [inline]
 dput+0x4a9/0xe10 fs/dcache.c:900
 __fput+0x3cc/0xa90 fs/file_table.c:329
 task_work_run+0x16f/0x270 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xb0d/0x29f0 kernel/exit.c:871
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1021
 get_signal+0x2315/0x25b0 kernel/signal.c:2874
 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f22a408c169
Code: Unable to access opcode bytes at 0x7f22a408c13f.
RSP: 002b:00007ffcd46a7938 EFLAGS: 00000246
 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 00007f22a41ac05c RCX: 00007f22a408c169
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f22a41ac05c
RBP: 00007f22a41abf80 R08: 00007ffcd46b5080 R09: 00000000000000d0
R10: 00007ffcd46a7a20 R11: 0000000000000246 R12: 000000000010a46c
R13: 00007ffcd46a7a20 R14: 00007ffcd46a7a40 R15: 0000000000000032
 </TASK>