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drm/amdgpu: check PS, WS index

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Theoretically, it would be possible for a buggy or malicious VBIOS to
overwrite past the bounds of the passed parameters (or its own
workspace); add bounds checking to prevent this from happening.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3093
Signed-off-by: Alexander Richards <electrodeyt@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alexander Richards 2024-01-11 16:04:48 +01:00 • committed by Alex Deucher
commit 4630d5031c
14 changed files with 102 additions and 74 deletions
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