syz.3.177: attempt to access beyond end of device
loop3: rw=2049, sector=160, nr_sectors = 4 limit=64
Buffer I/O error on dev loop3, logical block 40, lost sync page write
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4885 at fs/buffer.c:1081 mark_buffer_dirty+0x394/0x7d0
Modules linked in:
CPU: 1 PID: 4885 Comm: syz.3.177 Tainted: G        W          6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:mark_buffer_dirty+0x394/0x7d0 fs/buffer.c:1081
Code: ba e0 ff 48 8b 7d 00 be 04 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0b 6a fc ff e8 56 2f 89 ff e9 42 ff ff ff e8 4c 2f 89 ff <0f> 0b e9 b3 fc ff ff e8 40 2f 89 ff 0f 0b e9 f6 fc ff ff e8 34 2f
RSP: 0018:ffffc90003457758 EFLAGS: 00010283
RAX: ffffffff82016d24 RBX: dffffc0000000001 RCX: 0000000000080000
RDX: ffffc9000f00b000 RSI: 00000000000075c3 RDI: 00000000000075c4
RBP: 0000000000000000 R08: ffffffff820169d1 R09: ffffed100ab26675
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8880559333a0 R14: ffff8880706ec288 R15: ffff8880559333a0
FS:  00007fd700e126c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2b9569 CR3: 00000000580ee000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 mark_buffer_dirty_inode+0x85/0x300 fs/buffer.c:575
 fat_remove_entries+0x1cc/0x470 fs/fat/dir.c:1050
 do_msdos_rename fs/fat/namei_msdos.c:583 [inline]
 msdos_rename+0x11fa/0x16b0 fs/fat/namei_msdos.c:625
 vfs_rename+0xd32/0x10f0 fs/namei.c:4874
 do_renameat2+0xde0/0x1440 fs/namei.c:5027
 __do_sys_rename fs/namei.c:5073 [inline]
 __se_sys_rename fs/namei.c:5071 [inline]
 __x64_sys_rename+0x82/0x90 fs/namei.c:5071
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd6fff85d29
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:00007fd700e12038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007fd700176080 RCX: 00007fd6fff85d29
RDX: 0000000000000000 RSI: 0000000020000840 RDI: 0000000020000800
RBP: 00007fd700001aa8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd700176080 R15: 00007fffb76618c8
 </TASK>