syzbot

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WARNING: CPU: 0 PID: 5089 at fs/inode.c:330 drop_nlink+0xb9/0x100
Modules linked in:
CPU: 0 PID: 5089 Comm: syz-executor136 Not tainted 6.2.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:drop_nlink+0xb9/0x100 fs/inode.c:330
Code: 49 8b 1e 48 8d bb c0 07 00 00 be 08 00 00 00 e8 1d 66 e9 ff f0 48 ff 83 c0 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 77 bc 93 ff <0f> 0b eb 8a 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 63 ff ff ff 4c
RSP: 0018:ffffc90003dbfc30 EFLAGS: 00010293
RAX: ffffffff81f81ef9 RBX: 1ffff1100e8a374b RCX: ffff888021f20000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81f81e7e R09: fffffbfff1d2ccee
R10: fffffbfff1d2ccee R11: 1ffffffff1d2cced R12: ffff88807451ba58
R13: dffffc0000000000 R14: ffff88807451ba10 R15: dffffc0000000000
FS:  00007fde6f4de700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde6f4de718 CR3: 000000007b70b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfat_rmdir+0x2e8/0x490 fs/fat/namei_vfat.c:809
 vfs_rmdir+0x358/0x4b0 fs/namei.c:4121
 do_rmdir+0x37f/0x5f0 fs/namei.c:4182
 __do_sys_unlinkat fs/namei.c:4362 [inline]
 __se_sys_unlinkat fs/namei.c:4356 [inline]
 __x64_sys_unlinkat+0xdc/0xf0 fs/namei.c:4356
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fde7755b4a9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 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:00007fde6f4de208 EFLAGS: 00000246
 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 000000000000003f RCX: 00007fde7755b4a9
RDX: 0000000000000200 RSI: 00000000200001c0 RDI: 0000000000000004
RBP: 00007fde775d96d0 R08: 00007fde775d96d8 R09: 00007fde775d96d8