Subject: Re: [PATCH] mkiss: fix scribble on freed memory

From: Sergei Shtylyov <[email-masked]>
Date: Wed, 6 Jan 2016 23:29:27 +0300

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 <[email-masked]>
[...]

MBR, Sergei