linux-kernel - Re: [syzbot] [fs?] UBSAN: shift-out-of-bounds in minix

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Message-ID: <691b7b02.a70a0220.3124cb.00a8.GAE@google.com>
Date: Mon, 17 Nov 2025 11:44:02 -0800
From: syzbot <syzbot+5ad0824204c7bf9b67f2@...kaller.appspotmail.com>
To: jkoolstra@...all.nl, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [fs?] UBSAN: shift-out-of-bounds in minix_statfs

Hello,

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

Reported-by: syzbot+5ad0824204c7bf9b67f2@...kaller.appspotmail.com
Tested-by: syzbot+5ad0824204c7bf9b67f2@...kaller.appspotmail.com

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.