linux-kernel - RE: Use-after-free oops in next-20150204

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <AM3PR05MB0935A7C27C0F9D9BCD5B70E5DC2B0@AM3PR05MB0935.eurprd05.prod.outlook.com>
Date:	Sat, 21 Feb 2015 15:36:11 +0000
From:	Shachar Raindel <raindel@...lanox.com>
To:	Thomas Graf <tgraf@...g.ch>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: Use-after-free oops in next-20150204 - probably nelink related


> -----Original Message-----
> From: Thomas Graf [mailto:tgr@...radead.org] On Behalf Of Thomas Graf
> Sent: Thursday, February 19, 2015 5:49 PM
> To: Shachar Raindel
> Cc: netdev@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: Use-after-free oops in next-20150204 - probably nelink
> related
> 
> On 02/18/15 at 03:52pm, Shachar Raindel wrote:
> > Hi,
> >
> > I'm running trinity inside a VM running linux-next tagged next-
> 20150204.
> >
> > The kernel debugging infrastructure detected a use-after-free
> situation, probably in netlink:
> 
> This is most likely rhashtable related. The fixes for the
> use-after-free issues have been merged Feb 6 so they are probably
> not included in the Feb 04 snapshot that you use.
> 
> The relevant net-next commits are:
> commit 020219a69d40a205dad12b0ea1e6a46153793368
> commit cf52d52f9ccb9966ac019d9f79824195583e3e6c
> commit 2af4b52988fd4f7ae525fcada29d4db8680033d6
> commit a5ec68e3b8f2c95ea1a5d23dd543abbe0c8d0624

Most likely so - haven't seen this reproducing so far on next-20150219,
which contains the relevant commits.

Thanks for pointing this out.

BTW, why is there no MAINTAINERS entry for the netlink subsystem?

Thanks,
--Shachar

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/