netdev - Re: [PATCH net-next] ipv6: use ipv6_dup_options() from ip6_append

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Message-Id: <20130518.125745.1801641505342864639.davem@davemloft.net>
Date:	Sat, 18 May 2013 12:57:45 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	herbert@...dor.apana.org.au, netdev@...r.kernel.org,
	yoshfuji@...ux-ipv6.org, ncardwell@...gle.com
Subject: Re: [PATCH net-next] ipv6: use ipv6_dup_options() from
 ip6_append_data()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Fri, 17 May 2013 07:53:13 -0700

> [PATCH] ipv6: fix possible crashes in ip6_cork_release()
> 
> commit 0178b695fd6b4 ("ipv6: Copy cork options in ip6_append_data")
> added some code duplication and bad error recovery, leading to potential
> crash in ip6_cork_release() as kfree() could be called with garbage.
> 
> use kzalloc() to make sure this wont happen.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied and queued up for -stable, thanks.
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