linux-kernel - Re: net/sctp: use-after-free in __sctp

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

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 19 Oct 2016 14:57:54 -0200
From:   Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:     Andrey Konovalov <andreyknvl@...gle.com>
Cc:     Vlad Yasevich <vyasevich@...il.com>,
        Neil Horman <nhorman@...driver.com>,
        "David S. Miller" <davem@...emloft.net>,
        linux-sctp@...r.kernel.org, netdev <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        syzkaller <syzkaller@...glegroups.com>,
        Kostya Serebryany <kcc@...gle.com>,
        Alexander Potapenko <glider@...gle.com>,
        Sasha Levin <sasha.levin@...cle.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: net/sctp: use-after-free in __sctp_connect

On Wed, Oct 19, 2016 at 02:25:24PM +0200, Andrey Konovalov wrote:
> Hi,
> 
> I've got the following error report while running the syzkaller fuzzer:
> 
> ==================================================================
> BUG: KASAN: use-after-free in __sctp_connect+0xabe/0xbf0 at addr
> ffff88006b1dc610

Seems this is the same that Dmitry Vyukov had reported back in Jan 13th.
So far I couldn't identify the reason.
"Good" to know it's still there, thanks for reporting it.