From: vinod.koul@intel.com (Vinod Koul)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] dmaengine: at_hdmac: fix potential NULL pointer dereference in atc_prep_dma_interleaved
Date: Wed, 29 Nov 2017 19:49:30 +0530 [thread overview]
Message-ID: <20171129141930.GJ32417@localhost> (raw)
In-Reply-To: <20171120142814.GA3315@embeddedor.com>
On Mon, Nov 20, 2017 at 08:28:14AM -0600, Gustavo A. R. Silva wrote:
> _xt_ is being dereferenced before it is null checked, hence there is a
> potential null pointer dereference.
>
> Fix this by moving the pointer dereference after _xt_ has been null
> checked.
>
> This issue was detected with the help of Coccinelle.
Applied, thanks
--
~Vinod
WARNING: multiple messages have this Message-ID (diff)
From: Vinod Koul <vinod.koul@intel.com>
To: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>,
Dan Williams <dan.j.williams@intel.com>,
linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dmaengine: at_hdmac: fix potential NULL pointer dereference in atc_prep_dma_interleaved
Date: Wed, 29 Nov 2017 19:49:30 +0530 [thread overview]
Message-ID: <20171129141930.GJ32417@localhost> (raw)
In-Reply-To: <20171120142814.GA3315@embeddedor.com>
On Mon, Nov 20, 2017 at 08:28:14AM -0600, Gustavo A. R. Silva wrote:
> _xt_ is being dereferenced before it is null checked, hence there is a
> potential null pointer dereference.
>
> Fix this by moving the pointer dereference after _xt_ has been null
> checked.
>
> This issue was detected with the help of Coccinelle.
Applied, thanks
--
~Vinod
next prev parent reply other threads:[~2017-11-29 14:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-20 14:28 [PATCH] dmaengine: at_hdmac: fix potential NULL pointer dereference in atc_prep_dma_interleaved Gustavo A. R. Silva
2017-11-20 14:28 ` Gustavo A. R. Silva
2017-11-23 10:11 ` Ludovic Desroches
2017-11-23 10:11 ` Ludovic Desroches
2017-11-29 14:19 ` Vinod Koul [this message]
2017-11-29 14:19 ` Vinod Koul
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