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

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Message-ID: <000000000000b43dde05d96361a0@google.com>
Date:   Fri, 04 Mar 2022 04:09:07 -0800
From:   syzbot <syzbot+82650a4e0ed38f218363@...kaller.appspotmail.com>
To:     anand.jain@...cle.com, dsterba@...e.com, hdanton@...a.com,
        linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Read in btrfs_scan_one_device (2)

Hello,

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

Reported-and-tested-by: syzbot+82650a4e0ed38f218363@...kaller.appspotmail.com

Tested on:

commit:         2293be58 Merge tag 'trace-v5.17-rc4' of git://git.kern..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/
kernel config:  https://syzkaller.appspot.com/x/.config?x=5f28851401b410e5
dashboard link: https://syzkaller.appspot.com/bug?extid=82650a4e0ed38f218363
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1723b521700000

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