netdev - Re: [PATCH net] netlabel: out of bound access in cipso_v4

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Message-Id: <20170204.194512.872874146522400400.davem@davemloft.net>
Date:   Sat, 04 Feb 2017 19:45:12 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     eric.dumazet@...il.com
Cc:     netdev@...r.kernel.org, paul@...l-moore.com, dvyukov@...gle.com
Subject: Re: [PATCH net] netlabel: out of bound access in
 cipso_v4_validate()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Fri, 03 Feb 2017 00:03:26 -0800

> From: Eric Dumazet <edumazet@...gle.com>
> 
> syzkaller found another out of bound access in ip_options_compile(),
> or more exactly in cipso_v4_validate()
> 
> Fixes: 20e2a8648596 ("cipso: handle CIPSO options correctly when NetLabel is disabled")
> Fixes: 446fda4f2682 ("[NetLabel]: CIPSOv4 engine")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Reported-by: Dmitry Vyukov  <dvyukov@...gle.com>

Applied and queued up for -stable.