Re: [syzbot] [fs?] UBSAN: shift-out-of-bounds in minix_statfs

From: syzbot
Date: Mon Nov 17 2025 - 14:44:19 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+5ad0824204c7bf9b67f2@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+5ad0824204c7bf9b67f2@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: e7c375b1 Merge tag 'vfs-6.18-rc7.fixes' of gitolite.ke..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14f0f212580000
kernel config: https://syzkaller.appspot.com/x/.config?x=2f290b9814e745b6
dashboard link: https://syzkaller.appspot.com/bug?extid=5ad0824204c7bf9b67f2
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=17fab884580000

Note: testing is done by a robot and is best-effort only.