------------[ cut here ]------------
WARNING: fs/buffer.c:1125 at __getblk_slow fs/buffer.c:1125 [inline], CPU#0: syz.0.967/11084
WARNING: fs/buffer.c:1125 at bdev_getblk+0x580/0x660 fs/buffer.c:1461, CPU#0: syz.0.967/11084
Modules linked in:
CPU: 0 UID: 0 PID: 11084 Comm: syz.0.967 Not tainted 6.16.0-rc5-next-20250708-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 61 ef 78 ff 48 c7 c7 a0 fc 99 8b 48 c7 c6 29 0b a0 8d 4c 89 fa 4c 89 e9 e8 48 e1 e0 fe eb bd e8 41 ef 78 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:ffffc9001b1df190 EFLAGS: 00010283
RAX: ffffffff8246bcef RBX: ffff8881492f8018 RCX: 0000000000080000
RDX: ffffc9000ceda000 RSI: 0000000000000456 RDI: 0000000000000457
RBP: 0000000000000400 R08: 0000000000000000 R09: ffffffff8216f34d
R10: 0000000000000406 R11: 0000000000000002 R12: ffff8881492f8000
R13: ffff8881492f8000 R14: 0000000000000400 R15: 1ffff1102925f003
FS:  00007ffa57f896c0(0000) GS:ffff888125bd7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000fce000 CR3: 0000000027008000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 getblk_unmovable include/linux/buffer_head.h:369 [inline]
 ext4_getblk+0x2a4/0x760 fs/ext4/inode.c:975
 ext4_bread_batch+0x67/0x4b0 fs/ext4/inode.c:1044
 __ext4_find_entry+0x1082/0x1f20 fs/ext4/namei.c:1601
 ext4_lookup_entry fs/ext4/namei.c:1703 [inline]
 ext4_lookup+0x13d/0x6c0 fs/ext4/namei.c:1771
 __lookup_slow+0x294/0x3d0 fs/namei.c:1808
 lookup_slow+0x53/0x70 fs/namei.c:1825
 walk_component+0x2d2/0x400 fs/namei.c:2129
 lookup_last fs/namei.c:2630 [inline]
 path_lookupat+0x163/0x430 fs/namei.c:2654
 filename_lookup+0x212/0x570 fs/namei.c:2683
 kern_path+0x35/0x50 fs/namei.c:2816
 unix_find_bsd net/unix/af_unix.c:1188 [inline]
 unix_find_other+0x183/0xb40 net/unix/af_unix.c:1250
 unix_stream_connect+0x4e2/0x1140 net/unix/af_unix.c:1651
 __sys_connect_file net/socket.c:2086 [inline]
 __sys_connect+0x313/0x440 net/socket.c:2105
 __do_sys_connect net/socket.c:2111 [inline]
 __se_sys_connect net/socket.c:2108 [inline]
 __x64_sys_connect+0x7a/0x90 net/socket.c:2108
 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: 0033:0x7ffa5718e929
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:00007ffa57f89038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007ffa573b6080 RCX: 00007ffa5718e929
RDX: 000000000000000c RSI: 0000200000fce000 RDI: 0000000000000008
RBP: 00007ffa57210b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffa573b6080 R15: 00007ffd454f44a8
 </TASK>