------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 8344 at fs/buffer.c:1229 __brelse+0x71/0xa0 fs/buffer.c:1229
Modules linked in:
CPU: 0 UID: 0 PID: 8344 Comm: syz.1.254 Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #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 54 64 78 ff 48 89 df be 04 00 00 00 e8 d7 43 dc ff f0 ff 0b eb 17 e8 3d 64 78 ff 90 48 c7 c7 e0 f0 18 8c e8 70 07 39 ff 90 <0f> 0b 90 90 5b 5d c3 cc cc cc cc 89 d9 80 e1 07 80 c1 03 38 c1 7c
RSP: 0018:ffffc90003b4f318 EFLAGS: 00010246
RAX: 4f1af22b0727e500 RBX: ffff88805efdeee0 RCX: 0000000000080000
RDX: ffffc90005084000 RSI: 0000000000009f23 RDI: 0000000000009f24
RBP: 0000000000000000 R08: ffffffff816019a2 R09: fffffbfff1cfa210
R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: 0000000000000000
R13: 0000000000000001 R14: 1ffff92000769ee1 R15: 0000000000000000
FS:  00007fdce7c7b6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe9eea1f000 CR3: 0000000033950000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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_create+0x1c7/0x570 fs/exfat/namei.c:565
 lookup_open fs/namei.c:3649 [inline]
 open_last_lookups fs/namei.c:3748 [inline]
 path_openat+0x1c03/0x3590 fs/namei.c:3984
 do_filp_open+0x27f/0x4e0 fs/namei.c:4014
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
 do_sys_open fs/open.c:1417 [inline]
 __do_sys_openat fs/open.c:1433 [inline]
 __se_sys_openat fs/open.c:1428 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1428
 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: 0033:0x7fdce6d85d29
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:00007fdce7c7b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fdce6f75fa0 RCX: 00007fdce6d85d29
RDX: 000000000000275a RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fdce6e01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fdce6f75fa0 R15: 00007ffcfc15c868
 </TASK>