From: Arnd Bergmann <arnd@arndb.de>
To: Richard Weinberger <richard@nod.at>
Cc: syzbot <syzbot+0ce97ea45b008ba3b8bd@syzkaller.appspotmail.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
festevam <festevam@gmail.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Miquel Raynal <miquel.raynal@bootlin.com>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Oleksij Rempel <linux@rempel-privat.de>,
linux-mtd <linux-mtd@lists.infradead.org>,
linux-imx <linux-imx@nxp.com>, kernel <kernel@pengutronix.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
shawnguo <shawnguo@kernel.org>,
daniel baluta <daniel.baluta@nxp.com>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: KASAN: use-after-free Read in uif_close
Date: Sun, 24 May 2020 13:14:49 +0200 [thread overview]
Message-ID: <CAK8P3a1VwDCAbzVXomsqOON+xyKC6XNNzpjEh9rgXJ9Dgb4V-Q@mail.gmail.com> (raw)
In-Reply-To: <768166145.263589.1590307748272.JavaMail.zimbra@nod.at>
On Sun, May 24, 2020 at 10:09 AM Richard Weinberger <richard@nod.at> wrote:
>
> ----- Ursprüngliche Mail -----
> > Von: "syzbot" <syzbot+0ce97ea45b008ba3b8bd@syzkaller.appspotmail.com>
> > An: "Arnd Bergmann" <arnd@arndb.de>, "daniel baluta" <daniel.baluta@nxp.com>, "festevam" <festevam@gmail.com>, "Greg
> > Kroah-Hartman" <gregkh@linuxfoundation.org>, "kernel" <kernel@pengutronix.de>, "linux-arm-kernel"
> > <linux-arm-kernel@lists.infradead.org>, "linux-imx" <linux-imx@nxp.com>, "linux-kernel" <linux-kernel@vger.kernel.org>,
> > "linux-mtd" <linux-mtd@lists.infradead.org>, linux@rempel-privat.de, "Miquel Raynal" <miquel.raynal@bootlin.com>,
> > "richard" <richard@nod.at>, "Sascha Hauer" <s.hauer@pengutronix.de>, "shawnguo" <shawnguo@kernel.org>,
> > syzkaller-bugs@googlegroups.com, "Vignesh Raghavendra" <vigneshr@ti.com>
> > Gesendet: Sonntag, 24. Mai 2020 08:03:03
> > Betreff: Re: KASAN: use-after-free Read in uif_close
>
> > syzbot has bisected this bug to:
> >
> > commit 32ec783ae19d48084b893cc54747fed37b07eb0c
> > Author: Arnd Bergmann <arnd@arndb.de>
> > Date: Wed Apr 8 19:02:57 2020 +0000
> >
> > firmware: imx: fix compile-testing
>
> Hmm, from a quick check I don't see how this is related.
> Arnd?
I suppose this was a randconfig build for a configuration that did not build
until I fixed the build stage, and then it failed at runtime, so the bug would
have been in earlier releases as well, it was just not observed.
Arnd
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prev parent reply other threads:[~2020-05-24 11:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-22 22:34 KASAN: use-after-free Read in uif_close syzbot
2020-05-23 14:37 ` syzbot
2020-05-24 6:03 ` syzbot
2020-05-24 8:09 ` Richard Weinberger
2020-05-24 11:14 ` Arnd Bergmann [this message]
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