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

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Message-ID: <000000000000a29e3905e0280faa@google.com>
Date:   Sun, 29 May 2022 08:19:09 -0700
From:   syzbot <syzbot+dc7c3ca638e773db07f6@...kaller.appspotmail.com>
To:     Julia.Lawall@...ia.fr, andreyknvl@...il.com, balbi@...nel.org,
        gregkh@...uxfoundation.org, jannh@...gle.com,
        jj251510319013@...il.com, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, rafael@...nel.org, sashal@...nel.org,
        schspa@...il.com, stable@...r.kernel.org,
        stern@...land.harvard.edu, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Read in driver_register

Hello,

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

Reported-and-tested-by: syzbot+dc7c3ca638e773db07f6@...kaller.appspotmail.com

Tested on:

commit:         97fa5887 USB: new quirk for Dell Gen 2 devices
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
kernel config:  https://syzkaller.appspot.com/x/.config?x=5a0efc262ca60947
dashboard link: https://syzkaller.appspot.com/bug?extid=dc7c3ca638e773db07f6
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=1224de7bf00000

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