lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 5 Nov 2019 09:39:26 +0100 From: Dmitry Vyukov <dvyukov@...gle.com> To: Marc Kleine-Budde <mkl@...gutronix.de> Cc: Jose Abreu <Jose.Abreu@...opsys.com>, syzbot <syzbot+d9536adc269404a984f8@...kaller.appspotmail.com>, "arvid.brodin@...en.se" <arvid.brodin@...en.se>, "davem@...emloft.net" <davem@...emloft.net>, "ilias.apalodimas@...aro.org" <ilias.apalodimas@...aro.org>, "kernel@...gutronix.de" <kernel@...gutronix.de>, "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux@...pel-privat.de" <linux@...pel-privat.de>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "robin@...tonic.nl" <robin@...tonic.nl>, "socketcan@...tkopp.net" <socketcan@...tkopp.net>, "syzkaller-bugs@...glegroups.com" <syzkaller-bugs@...glegroups.com> Subject: Re: KASAN: use-after-free Read in j1939_session_get_by_addr On Tue, Nov 5, 2019 at 9:35 AM Marc Kleine-Budde <mkl@...gutronix.de> wrote: > > On 11/5/19 9:21 AM, Jose Abreu wrote: > > From: syzbot <syzbot+d9536adc269404a984f8@...kaller.appspotmail.com> > > Date: Nov/05/2019, 08:05:01 (UTC+00:00) > > > >> syzbot has bisected this bug to: > >> > >> commit 2af6106ae949651d529c8c3f0734c3a7babd0d4b > >> Author: Jose Abreu <Jose.Abreu@...opsys.com> > >> Date: Tue Jul 9 08:03:00 2019 +0000 > >> > >> net: stmmac: Introducing support for Page Pool > > > > From the config provided, stmmac driver is not even enabled. Can you > > please confirm the bisection process ? > > Looks like a false positive, as j1939 (net/can/j1939/) hit mainline with > v5.4-rc1~131^2~78^2. > > While the bisected commit is v5.3-rc1~140^2~13^2. Yes, the commit is most likely irrelevant. As you can see in the bisection log the process was diverged by "WARNING: ODEBUG bug in netdev_freemem". I think it's not the first and not the second time I see that crash breaks bisection: https://syzkaller.appspot.com/bug?id=96a64fde216dca408a5c25db4e57838c51e435aa
Powered by blists - more mailing lists