Re: [PATCH] drm/panthor: avoid garbage value in panthor_ioctl_dev_query()
From: Boris Brezillon
Date: Fri Feb 07 2025 - 11:45:30 EST
On Mon, 20 Jan 2025 10:21:49 +0300
Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> On Sun, Jan 19, 2025 at 10:58:29AM +0800, Su Hui wrote:
> > 'priorities_info' is uninitialized, and the uninitialized value is copied
> > to user object when calling PANTHOR_UOBJ_SET(). Using memset to initialize
> > 'priorities_info' to avoid this garbage value problem.
> >
> > Fixes: f70000ef2352 ("drm/panthor: Add DEV_QUERY_GROUP_PRIORITIES_INFO dev query")
> > Signed-off-by: Su Hui <suhui@xxxxxxxxxxxx>
>
> Reviewed-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Queued to drm-misc-fixes.
>
> How did you find this bug?
>
> regards,
> dan carpenter
>