linux-kernel - Re: [syzbot] KASAN: use-after-free Read in kernfs_add

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Message-ID: <00000000000078bbca05ebac2c70@google.com>
Date:   Sat, 22 Oct 2022 21:33:16 -0700
From:   syzbot <syzbot+ef17b5b364116518fd65@...kaller.appspotmail.com>
To:     hdanton@...a.com, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Read in kernfs_add_one

Hello,

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

Reported-and-tested-by: syzbot+ef17b5b364116518fd65@...kaller.appspotmail.com

Tested on:

commit:         aae703b0 Merge tag 'for-6.1-rc1-tag' of git://git.kern..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=12f6abd2880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4aa6e5678f6a04d5
dashboard link: https://syzkaller.appspot.com/bug?extid=ef17b5b364116518fd65
compiler:       Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=17dbacba880000

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