exFAT-fs (loop1): error, in sector 160, dentry 5 should be unused, but 0xc1
------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 6518 at fs/buffer.c:1229 __brelse+0x71/0xa0 fs/buffer.c:1229
Modules linked in:
CPU: 0 UID: 0 PID: 6518 Comm: syz.1.130 Not tainted 6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__brelse+0x71/0xa0 fs/buffer.c:1229
Code: e8 04 d5 75 ff 48 89 df be 04 00 00 00 e8 97 3f dc ff f0 ff 0b eb 17 e8 ed d4 75 ff 90 48 c7 c7 e0 03 19 8c e8 f0 78 36 ff 90 <0f> 0b 90 90 5b 5d e9 ff a1 c6 09 89 d9 80 e1 07 80 c1 03 38 c1 7c
RSP: 0018:ffffc900032e7798 EFLAGS: 00010246
RAX: 5b7a6d42cf109d00 RBX: ffff8880576794e8 RCX: 0000000000080000
RDX: ffffc9000cbca000 RSI: 000000000000b8d6 RDI: 000000000000b8d7
RBP: 0000000000000000 R08: ffffffff81601a82 R09: fffffbfff1cfa210
R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: 0000000000000000
R13: 0000000000000001 R14: 1ffff9200065cf71 R15: 0000000000000000
FS:  00007fdfbada56c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c33fc95 CR3: 0000000058c2e000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 brelse include/linux/buffer_head.h:324 [inline]
 exfat_put_dentry_set+0x182/0x2b0 fs/exfat/dir.c:553
 exfat_add_entry+0x5e0/0xaa0 fs/exfat/namei.c:519
 exfat_mkdir+0x1c7/0x580 fs/exfat/namei.c:858
 vfs_mkdir+0x2fb/0x4f0 fs/namei.c:4311
 do_mkdirat+0x264/0x3a0 fs/namei.c:4334
 __do_sys_mkdir fs/namei.c:4354 [inline]
 __se_sys_mkdir fs/namei.c:4352 [inline]
 __x64_sys_mkdir+0x6c/0x80 fs/namei.c:4352
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdfb9f85d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdfbada5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fdfba175fa0 RCX: 00007fdfb9f85d29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fdfba001b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fdfba175fa0 R15: 00007ffe7495d738
 </TASK>