linux-kernel - Re: [PATCH] ipv6: ip6t_srh: fix NULL pointer dereferences

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Date:   Mon, 18 Mar 2019 16:01:32 +0100
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Kangjie Lu <kjlu@....edu>
Cc:     pakki001@....edu, Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
        Florian Westphal <fw@...len.de>,
        "David S. Miller" <davem@...emloft.net>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipv6: ip6t_srh: fix NULL pointer dereferences

On Thu, Mar 14, 2019 at 02:58:18AM -0500, Kangjie Lu wrote:
> skb_header_pointer may return NULL. The current code dereference
> its return values without a NULL check.
> 
> The fix inserts the checks to avoid NULL pointer dereferences.

Applied, thanks.