[PATCH v6 1/2] drm/amd: validate user pitch alignment

Michel Dänzer michel at daenzer.net
Tue Jan 8 15:25:45 UTC 2019

On 2019-01-07 11:51 p.m., Yu Zhao wrote:
> Userspace may request pitch alignment that is not supported by GPU.
> Some requests 32, but GPU ignores it and uses default 64 when cpp is
> 4. If GEM object is allocated based on the smaller alignment, GPU
> DMA will go out of bound.
> Cc: stable at vger.kernel.org # v4.2+
> Signed-off-by: Yu Zhao <yuzhao at google.com>

Both patches applied to amd-staging-drm-next (should land in 5.0), thanks!

Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer

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