tree d75ee04d4e961b9571f44fb43de3b956adacc82e
parent 265fb062be9b61e8f5760fcf0e3ae8904c59742c
author Bryan Bernhart <bryan.bernhart@intel.com> 1591901906 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1591901906 +0000

Prevent size overflow for sub-allocation.

D3D/VK driver may return a size larger than requested and could cause
PowerOfTwo() to overflow. This change adds a check to ensure the size
is within the limit before attempting sub-allocation.

BUG=dawn:27

Change-Id: I2b2ce727abff953642a69b65c8f30be8e53e562d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/23060
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com>