netdev - Re: netlink & rhashtable status

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-prev] [day] [month] [year] [list]

Message-ID: <20150627070902.GB29671@gondor.apana.org.au>
Date:	Sat, 27 Jun 2015 16:09:02 +0900
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	David Miller <davem@...emloft.net>,
	Thomas Graf <tgraf@...g.ch>, netdev <netdev@...r.kernel.org>
Subject: Re: netlink & rhashtable status

On Fri, Jun 26, 2015 at 01:44:04PM +0300, Konstantin Khlebnikov wrote:
>
> I've found race in v3.18 in __netlink_lookup: rhashtable_hashfn
> computes hash using one table and following rhashtable_lookup_compare
> dereferences ht->tbl once again and could see different table.
> 
> patch follows...

Sounds like this is it.  Thanks for digging into this!
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html