[PATCH V3 1/2] drm/radeon: Fix integer overflow in radeon_cs_parser_init

[whitehat002 whitehat002]

Hello,

What is the current status of this patch, has it been applied?

Alex Deucher <alexdeucher at gmail.com> 于2023年4月19日周三 21:49写道：

> Applied.  Thanks!
>
> Alex
>
> On Wed, Apr 19, 2023 at 8:24 AM Christian König
> <christian.koenig at amd.com> wrote:
> >
> > Am 19.04.23 um 14:20 schrieb hackyzh002:
> > > The type of size is unsigned, if size is 0x40000000, there will be an
> > > integer overflow, size will be zero after size *= sizeof(uint32_t),
> > > will cause uninitialized memory to be referenced later
> > >
> > > Signed-off-by: hackyzh002 <hackyzh002 at gmail.com>
> >
> > Reviewed-by: Christian König <christian.koenig at amd.com> for the series.
> >
> > > ---
> > >   drivers/gpu/drm/radeon/radeon_cs.c | 3 ++-
> > >   1 file changed, 2 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/gpu/drm/radeon/radeon_cs.c
> b/drivers/gpu/drm/radeon/radeon_cs.c
> > > index 46a27ebf4..a6700d727 100644
> > > --- a/drivers/gpu/drm/radeon/radeon_cs.c
> > > +++ b/drivers/gpu/drm/radeon/radeon_cs.c
> > > @@ -270,7 +270,8 @@ int radeon_cs_parser_init(struct radeon_cs_parser
> *p, void *data)
> > >   {
> > >       struct drm_radeon_cs *cs = data;
> > >       uint64_t *chunk_array_ptr;
> > > -     unsigned size, i;
> > > +     u64 size;
> > > +     unsigned i;
> > >       u32 ring = RADEON_CS_RING_GFX;
> > >       s32 priority = 0;
> > >
> >
>
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