diff mbox series

[v3,2/2] drm/amdgpu: Fix integer overflow in amdgpu_cs_pass1

Message ID 20230419122233.3440-1-hackyzh002@gmail.com
State Accepted
Commit 87c2213e85bd81e4a9a4d0880c256568794ae388
Headers show
Series [V3,1/2] drm/radeon: Fix integer overflow in radeon_cs_parser_init | expand

Commit Message

whitehat002 whitehat002 April 19, 2023, 12:22 p.m. UTC
The type of size is unsigned int, 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@gmail.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

whitehat002 whitehat002 April 27, 2023, 7:44 a.m. UTC | #1
hello
What is the current status of this patch, has it been applied?


hackyzh002 <hackyzh002@gmail.com> 于2023年4月19日周三 20:23写道:
>
> The type of size is unsigned int, 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@gmail.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> index 08eced097..89bcacc65 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> @@ -192,7 +192,7 @@ static int amdgpu_cs_pass1(struct amdgpu_cs_parser *p,
>         uint64_t *chunk_array_user;
>         uint64_t *chunk_array;
>         uint32_t uf_offset = 0;
> -       unsigned int size;
> +       size_t size;
>         int ret;
>         int i;
>
> --
> 2.34.1
>
Alex Deucher April 27, 2023, 12:39 p.m. UTC | #2
As per my prior reply, it has been applied.

Thanks,

Alex

On Thu, Apr 27, 2023 at 8:39 AM whitehat002 whitehat002
<hackyzh002@gmail.com> wrote:
>
> hello
> What is the current status of this patch, has it been applied?
>
>
> hackyzh002 <hackyzh002@gmail.com> 于2023年4月19日周三 20:23写道:
> >
> > The type of size is unsigned int, 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@gmail.com>
> > ---
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> > index 08eced097..89bcacc65 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> > @@ -192,7 +192,7 @@ static int amdgpu_cs_pass1(struct amdgpu_cs_parser *p,
> >         uint64_t *chunk_array_user;
> >         uint64_t *chunk_array;
> >         uint32_t uf_offset = 0;
> > -       unsigned int size;
> > +       size_t size;
> >         int ret;
> >         int i;
> >
> > --
> > 2.34.1
> >
Alex Deucher April 28, 2023, 1:31 p.m. UTC | #3
these?
https://patchwork.freedesktop.org/series/116699/
https://patchwork.freedesktop.org/series/116695/

On Thu, Apr 27, 2023 at 8:45 PM whitehat002 whitehat002
<hackyzh002@gmail.com> wrote:
>
> Alex,I have a question, why I don't see it on the
> https://patchwork.freedesktop.org/
>
> Alex Deucher <alexdeucher@gmail.com> 于2023年4月27日周四 20:40写道:
> >
> > As per my prior reply, it has been applied.
> >
> > Thanks,
> >
> > Alex
> >
> > On Thu, Apr 27, 2023 at 8:39 AM whitehat002 whitehat002
> > <hackyzh002@gmail.com> wrote:
> > >
> > > hello
> > > What is the current status of this patch, has it been applied?
> > >
> > >
> > > hackyzh002 <hackyzh002@gmail.com> 于2023年4月19日周三 20:23写道:
> > > >
> > > > The type of size is unsigned int, 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@gmail.com>
> > > > ---
> > > >  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +-
> > > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > >
> > > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> > > > index 08eced097..89bcacc65 100644
> > > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> > > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> > > > @@ -192,7 +192,7 @@ static int amdgpu_cs_pass1(struct amdgpu_cs_parser *p,
> > > >         uint64_t *chunk_array_user;
> > > >         uint64_t *chunk_array;
> > > >         uint32_t uf_offset = 0;
> > > > -       unsigned int size;
> > > > +       size_t size;
> > > >         int ret;
> > > >         int i;
> > > >
> > > > --
> > > > 2.34.1
> > > >
diff mbox series

Patch

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 08eced097..89bcacc65 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -192,7 +192,7 @@  static int amdgpu_cs_pass1(struct amdgpu_cs_parser *p,
 	uint64_t *chunk_array_user;
 	uint64_t *chunk_array;
 	uint32_t uf_offset = 0;
-	unsigned int size;
+	size_t size;
 	int ret;
 	int i;