From: David Miller <davem@davemloft.net>
To: blackgod016574@gmail.com
Cc: kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, ast@kernel.org,
daniel@iogearbox.net, kafai@fb.com, songliubraving@fb.com,
yhs@fb.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org
Subject: Re: [PATCH] ip_sockglue: Fix missing-check bug in ip_ra_control()
Date: Sat, 25 May 2019 11:01:02 -0700 (PDT) [thread overview]
Message-ID: <20190525.110102.183178868031173654.davem@davemloft.net> (raw)
In-Reply-To: <20190524032337.GA6513@zhanggen-UX430UQ>
From: Gen Zhang <blackgod016574@gmail.com>
Date: Fri, 24 May 2019 11:24:26 +0800
> In function ip_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@gmail.com>
Applied.
prev parent reply other threads:[~2019-05-25 18:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-24 3:24 [PATCH] ip_sockglue: Fix missing-check bug in ip_ra_control() Gen Zhang
2019-05-25 18:01 ` David Miller [this message]
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