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Date:   Sat, 25 May 2019 11:00:29 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     blackgod016574@...il.com
Cc:     kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipv6_sockglue: Fix a missing-check bug in
 ip6_ra_control()

From: Gen Zhang <blackgod016574@...il.com>
Date: Fri, 24 May 2019 11:19:46 +0800

> In function ip6_ra_control(), the pointer new_ra is allocated a memory 
> space via kmalloc(). And it is used in the following codes. However, 
> when there is a memory allocation error, kmalloc() fails. Thus null 
> pointer dereference may happen. And it will cause the kernel to crash. 
> Therefore, we should check the return value and handle the error.
> 
> Signed-off-by: Gen Zhang <blackgod016574@...il.com>

Applied.

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