Re: [PATCH] vduse: prevent uninitialized memory accesses

Maxime Coquelin
2022-08-29T07:23:47Z

On 8/27/22 08:54, Dan Carpenter wrote:
> On Fri, Aug 26, 2022 at 06:16:05PM +0200, Maxime Coquelin wrote:
>> If the VDUSE application provides a smaller config space
>> than the driver expects, the driver may use uninitialized
>> memory from the stack.
>>
>> This patch prevents it by initializing the buffer passed by
>> the driver to store the config value.
>>
>> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
>
> This sounds like it needs a Fixes tag?

Yes, I actually did it, but somehow forgot to generate the patch bedore
posting.

I'll post a v2 soon.

Thanks,
Maxime

> regards,
> dan carpenter
>