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st/va: Fix potential buffer overread

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VASurfaceAttribExternalBuffers.pitches is indexed by
plane. Current implementation only supports single plane layout.

Reviewed-by: Kristian H. Kristensen <hoegsberg@chromium.org>
Reviewed-by: Leo Liu <leo.liu@amd.com>
This commit is contained in:
Drew Davenport 2018-04-24 17:01:32 -06:00 • committed by Leo Liu
parent deba56accf
commit 893808006a
1 changed files with 1 additions and 1 deletions
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2
src/gallium/state_trackers/va/surface.c
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@ -574,7 +574,7 @@ suface_from_external_memory(VADriverContextP ctx, vlVaSurface *surface,
memset(&whandle, 0, sizeof(struct winsys_handle));
whandle.type = DRM_API_HANDLE_TYPE_FD;
whandle.handle = memory_attibute->buffers[index];
whandle.stride = memory_attibute->pitches[index];
whandle.stride = memory_attibute->pitches[0];
resource = pscreen->resource_from_handle(pscreen, &res_templ, &whandle,
PIPE_HANDLE_USAGE_READ_WRITE);