linux-kernel - Re: [syzbot] [fs?] KASAN: use-after-free Read in hpfs_count

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Message-ID: <6900eb8f.050a0220.32483.01c6.GAE@google.com>
Date: Tue, 28 Oct 2025 09:13:03 -0700
From: syzbot <syzbot+7d1563afac6cb196a444@...kaller.appspotmail.com>
To: eadavis@...com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [fs?] KASAN: use-after-free Read in hpfs_count_dnodes

Hello,

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

Reported-by: syzbot+7d1563afac6cb196a444@...kaller.appspotmail.com
Tested-by: syzbot+7d1563afac6cb196a444@...kaller.appspotmail.com

Tested on:

commit:         fd575722 Merge tag 'sched_ext-for-6.18-rc3-fixes' of g..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=17fc67e2580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=41ad820f608cb833
dashboard link: https://syzkaller.appspot.com/bug?extid=7d1563afac6cb196a444
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=122a1f34580000

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