------------[ cut here ]------------
WARNING: fs/buffer.c:1125 at __getblk_slow fs/buffer.c:1125 [inline], CPU#1: syz.0.86/6260
WARNING: fs/buffer.c:1125 at bdev_getblk+0x580/0x660 fs/buffer.c:1461, CPU#1: syz.0.86/6260
Modules linked in:
CPU: 1 UID: 0 PID: 6260 Comm: syz.0.86 Not tainted 6.16.0-rc4-next-20250703-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__getblk_slow fs/buffer.c:1125 [inline]
RIP: 0010:bdev_getblk+0x580/0x660 fs/buffer.c:1461
Code: 26 fb ff ff e8 a1 6c 79 ff 48 c7 c7 a0 ee 99 8b 48 c7 c6 b5 71 9e 8d 4c 89 fa 4c 89 e9 e8 98 5c e1 fe eb bd e8 81 6c 79 ff 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 41 80 3c 07 00 74 08 48 89
RSP: 0018:ffffc90005be79b8 EFLAGS: 00010287
RAX: ffffffff8246329f RBX: ffff888148c14518 RCX: 0000000000080000
RDX: ffffc90004de3000 RSI: 000000000000044c RDI: 000000000000044d
RBP: 0000000000000200 R08: 0000000000000000 R09: ffffffff82165efd
R10: 0000000000000406 R11: 0000000000000002 R12: ffff888148c14e68
R13: ffff888148c14500 R14: 0000000000000200 R15: 1ffff110291828a3
FS:  00007f6d007536c0(0000) GS:ffff888125d1e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30418ff8 CR3: 000000007b8c0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __bread_gfp+0x89/0x3c0 fs/buffer.c:1515
 sb_bread include/linux/buffer_head.h:346 [inline]
 fat__get_entry fs/fat/dir.c:100 [inline]
 fat_get_entry+0x785/0xa90 fs/fat/dir.c:128
 fat_get_short_entry fs/fat/dir.c:885 [inline]
 fat_dir_empty+0x56/0x260 fs/fat/dir.c:926
 vfat_rmdir+0x119/0x360 fs/fat/namei_vfat.c:796
 vfs_rmdir+0x3ba/0x520 fs/namei.c:4461
 do_rmdir+0x25f/0x550 fs/namei.c:4516
 __do_sys_rmdir fs/namei.c:4535 [inline]
 __se_sys_rmdir fs/namei.c:4533 [inline]
 __x64_sys_rmdir+0x47/0x50 fs/namei.c:4533
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6cff98e929
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:00007f6d00753038 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f6cffbb5fa0 RCX: 00007f6cff98e929
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000100
RBP: 00007f6cffa10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6cffbb5fa0 R15: 00007ffc82fb1f88
 </TASK>