------------[ cut here ]------------
WARNING: CPU: 1 PID: 5123 at fs/inode.c:331 drop_nlink+0xbb/0x110 fs/inode.c:331
Modules linked in:
CPU: 1 PID: 5123 Comm: syz-executor368 Not tainted 6.2.0-next-20230303-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:drop_nlink+0xbb/0x110 fs/inode.c:331
Code: 28 be 08 00 00 00 48 8d bb c0 07 00 00 e8 5d a8 e9 ff f0 48 ff 83 c0 07 00 00 5b 5d 41 5c 41 5d e9 fa 36 97 ff e8 f5 36 97 ff <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 0f b6 04
RSP: 0018:ffffc90003dafcc0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8880735f1430 RCX: 0000000000000000
RDX: ffff888078143a80 RSI: ffffffff81ed80fb RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000094001 R12: 00000000ffffffff
R13: ffff8880735f1478 R14: ffff8880735f1430 R15: ffff888079c2e000
FS:  00007fefc7cc8700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001af11b8 CR3: 00000000219bb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfat_rmdir+0x2d7/0x3a0 fs/fat/namei_vfat.c:809
 vfs_rmdir.part.0+0x1b0/0x5a0 fs/namei.c:4121
 vfs_rmdir fs/namei.c:4106 [inline]
 do_rmdir+0x3a8/0x420 fs/namei.c:4180
 __do_sys_unlinkat fs/namei.c:4358 [inline]
 __se_sys_unlinkat fs/namei.c:4352 [inline]
 __x64_sys_unlinkat+0xef/0x130 fs/namei.c:4352
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fefcfd3dcc9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fefc7cc8208 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 000000000000003f RCX: 00007fefcfd3dcc9
RDX: 0000000000000200 RSI: 00000000200001c0 RDI: 0000000000000004
RBP: 00007fefcfdc37b0 R08: 00007fefcfdc37b8 R09: 00007fefcfdc37b8
R10: 00007fefcfdc37b8 R11: 0000000000000246 R12: 00007fefcfdc37bc
R13: 00007ffcff2c590f R14: 00007fefc7cc8300 R15: 0000000000022000
 </TASK>