netdev - Re: [PATCH] ipv4: ipv6: initialize treq->txhash in cookie_v[46]

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: <20170718.112338.288656675048363598.davem@davemloft.net>
Date:   Tue, 18 Jul 2017 11:23:38 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     glider@...gle.com
Cc:     dvyukov@...gle.com, kcc@...gle.com, edumazet@...gle.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] ipv4: ipv6: initialize treq->txhash in
 cookie_v[46]_check()

From: Alexander Potapenko <glider@...gle.com>
Date: Mon, 17 Jul 2017 12:35:58 +0200

> KMSAN reported use of uninitialized memory in skb_set_hash_from_sk(),
> which originated from the TCP request socket created in
> cookie_v6_check():
 ...
> Similar error is reported for cookie_v4_check().
> 
> Signed-off-by: Alexander Potapenko <glider@...gle.com>
> Fixes: 58d607d3e52f ("tcp: provide skb->hash to synack packets")

Applied and queued up for -stable, thanks!