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Date: Tue, 10 Oct 2017 10:26:10 -0700
From: Eric Dumazet <eric.dumazet@...il.com>
To: Colin King <colin.king@...onical.com>
Cc: "David S . Miller" <davem@...emloft.net>,
Alexey Kuznetsov <kuznet@....inr.ac.ru>,
Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
netdev@...r.kernel.org, kernel-janitors@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH][net-next] ipv6: fix dereference of rt6_ex before null
check error
On Tue, 2017-10-10 at 18:01 +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
>
> Currently rt6_ex is being dereferenced before it is null checked
> hence there is a possible null dereference bug. Fix this by only
> dereferencing rt6_ex after it has been null checked.
>
> Detected by CoverityScan, CID#1457749 ("Dereference before null check")
>
> Fixes: 81eb8447daae ("ipv6: take care of rt6_stats")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
Reviewed-by: Eric Dumazet <edumazet@...gle.com>
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