[webkit-changes] [WebKit/WebKit] 1a18bd: Prevent integer overflow in runVertexBufferValidat...

[darryl-apple]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 1a18bdf5a543ddaec95484da647f03af11b41f0c
      https://github.com/WebKit/WebKit/commit/1a18bdf5a543ddaec95484da647f03af11b41f0c
  Author: Darryl Parkinson <d_parkinson at apple.com>
  Date:   2024-05-31 (Fri, 31 May 2024)

  Changed paths:
    M Source/WebGPU/WebGPU/RenderBundleEncoder.mm
    M Source/WebGPU/WebGPU/RenderPassEncoder.mm

  Log Message:
  -----------
  Prevent integer overflow in runVertexBufferValidation by using CheckedNumerics
rdar://129055369

Reviewed by Mike Wyrzykowski.

Use CheckedSum for addition in runVertexBufferValidation to prevent a possible integer overflow of strideCount

* Source/WebGPU/WebGPU/RenderBundleEncoder.mm:
(WebGPU::RenderBundleEncoder::runVertexBufferValidation):
* Source/WebGPU/WebGPU/RenderPassEncoder.mm:
(WebGPU::RenderPassEncoder::runVertexBufferValidation):
(WebGPU::RenderPassEncoder::draw):

Canonical link: https://commits.webkit.org/279595@main



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