netdev - Re: [PATCH] ipv6: fix a potential use after free in sit.c

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Date:	Sat, 18 Oct 2014 08:52:20 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	roy.qing.li@...il.com
Cc:	netdev@...r.kernel.org, ghorbel@...asoftware.com
Subject: Re: [PATCH] ipv6: fix a potential use after free in sit.c

On Sat, 2014-10-18 at 17:33 +0800, roy.qing.li@...il.com wrote:
> From: Li RongQing <roy.qing.li@...il.com>
> 
> pskb_may_pull() maybe change skb->data and make iph pointer oboslete,
> fix it by geting ip header length directly.
> 
> Fixes: ca15a078 (sit: generate icmpv6 error when receiving icmpv4 error)
> Cc: Oussama Ghorbel <ghorbel@...asoftware.com>
> Signed-off-by: Li RongQing <roy.qing.li@...il.com>
> ---
>  net/ipv6/sit.c |    6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Acked-by: Eric Dumazet <edumazet@...gle.com>

Thanks for doing all these checks !


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