netdev - Re: [PATCH] mkiss: fix scribble on freed memory

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Date:	Wed, 6 Jan 2016 23:29:27 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Alan <gnomes@...rguk.ukuu.org.uk>, netdev@...r.kernel.org,
	davem@...r.kernel.org
Subject: Re: [PATCH] mkiss: fix scribble on freed memory

Hello.

On 1/6/2016 5:55 PM, Alan wrote:

> commit d79f16c046086f4fe0d42184a458e187464eb83e fixed a user triggerable

    scripts/checkpatch.pl now enforces certain format of the commit citing.

> scribble on free memory but added a new one which allows the user to
> scribble even more and user controlled data into freed space.
>
> As with 6pack we need to halt the queue before we free the buffers, because
> the transmit logic is not protected by the semaphore.
>
> Signed-off-by: Alan Cox <alan@...ux.intel.com>
[...]

MBR, Sergei


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