* Re: KASAN: use-after-free Read in uif_close
[not found] <000000000000ba47b705a6443a0d@google.com>
@ 2020-05-24 6:03 ` syzbot
2020-05-24 8:09 ` Richard Weinberger
0 siblings, 1 reply; 3+ messages in thread
From: syzbot @ 2020-05-24 6:03 UTC (permalink / raw)
To: arnd, daniel.baluta, festevam, gregkh, kernel, linux-arm-kernel,
linux-imx, linux-kernel, linux-mtd, linux, miquel.raynal, richard,
s.hauer, shawnguo, syzkaller-bugs, vigneshr
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
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15b22972100000
start commit: c11d28ab Add linux-next specific files for 20200522
git tree: linux-next
final crash: https://syzkaller.appspot.com/x/report.txt?x=17b22972100000
console output: https://syzkaller.appspot.com/x/log.txt?x=13b22972100000
kernel config: https://syzkaller.appspot.com/x/.config?x=3f6dbdea4159fb66
dashboard link: https://syzkaller.appspot.com/bug?extid=0ce97ea45b008ba3b8bd
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14b23f06100000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=111b0172100000
Reported-by: syzbot+0ce97ea45b008ba3b8bd@syzkaller.appspotmail.com
Fixes: 32ec783ae19d ("firmware: imx: fix compile-testing")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: KASAN: use-after-free Read in uif_close
2020-05-24 6:03 ` KASAN: use-after-free Read in uif_close syzbot
@ 2020-05-24 8:09 ` Richard Weinberger
2020-05-24 11:14 ` Arnd Bergmann
0 siblings, 1 reply; 3+ messages in thread
From: Richard Weinberger @ 2020-05-24 8:09 UTC (permalink / raw)
To: syzbot
Cc: Vignesh Raghavendra, Arnd Bergmann, daniel baluta, Sascha Hauer,
Miquel Raynal, syzkaller-bugs, linux-kernel, linux, linux-mtd,
linux-imx, kernel, Greg Kroah-Hartman, shawnguo, festevam,
linux-arm-kernel
----- 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?
Thanks,
//richard
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: KASAN: use-after-free Read in uif_close
2020-05-24 8:09 ` Richard Weinberger
@ 2020-05-24 11:14 ` Arnd Bergmann
0 siblings, 0 replies; 3+ messages in thread
From: Arnd Bergmann @ 2020-05-24 11:14 UTC (permalink / raw)
To: Richard Weinberger
Cc: syzbot, Vignesh Raghavendra, festevam, Sascha Hauer,
Miquel Raynal, syzkaller-bugs, linux-kernel, Oleksij Rempel,
linux-mtd, linux-imx, kernel, Greg Kroah-Hartman, shawnguo,
daniel baluta, linux-arm-kernel
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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^ permalink raw reply [flat|nested] 3+ messages in thread
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2020-05-24 6:03 ` KASAN: use-after-free Read in uif_close syzbot
2020-05-24 8:09 ` Richard Weinberger
2020-05-24 11:14 ` Arnd Bergmann
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