linux-kernel - Re: KASAN: use-after-free Read in uif

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Message-ID: <768166145.263589.1590307748272.JavaMail.zimbra@nod.at>
Date:   Sun, 24 May 2020 10:09:08 +0200 (CEST)
From:   Richard Weinberger <richard@....at>
To:     syzbot <syzbot+0ce97ea45b008ba3b8bd@...kaller.appspotmail.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        daniel baluta <daniel.baluta@....com>,
        festevam <festevam@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        kernel <kernel@...gutronix.de>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-imx <linux-imx@....com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-mtd <linux-mtd@...ts.infradead.org>,
        linux@...pel-privat.de, Miquel Raynal <miquel.raynal@...tlin.com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        shawnguo <shawnguo@...nel.org>, syzkaller-bugs@...glegroups.com,
        Vignesh Raghavendra <vigneshr@...com>
Subject: Re: KASAN: use-after-free Read in uif_close

----- Ursprüngliche Mail -----
> Von: "syzbot" <syzbot+0ce97ea45b008ba3b8bd@...kaller.appspotmail.com>
> An: "Arnd Bergmann" <arnd@...db.de>, "daniel baluta" <daniel.baluta@....com>, "festevam" <festevam@...il.com>, "Greg
> Kroah-Hartman" <gregkh@...uxfoundation.org>, "kernel" <kernel@...gutronix.de>, "linux-arm-kernel"
> <linux-arm-kernel@...ts.infradead.org>, "linux-imx" <linux-imx@....com>, "linux-kernel" <linux-kernel@...r.kernel.org>,
> "linux-mtd" <linux-mtd@...ts.infradead.org>, linux@...pel-privat.de, "Miquel Raynal" <miquel.raynal@...tlin.com>,
> "richard" <richard@....at>, "Sascha Hauer" <s.hauer@...gutronix.de>, "shawnguo" <shawnguo@...nel.org>,
> syzkaller-bugs@...glegroups.com, "Vignesh Raghavendra" <vigneshr@...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@...db.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?

Thanks,
//richard