[webkit-changes] [WebKit/WebKit] 33e3b6: [WebGPU] Queue::writeTexture may write outside its...

mwyrzykowski noreply at github.com
Mon May 20 17:38:26 PDT 2024


  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 33e3b624376351c570ad33875694b46fe9cfefd4
      https://github.com/WebKit/WebKit/commit/33e3b624376351c570ad33875694b46fe9cfefd4
  Author: Mike Wyrzykowski <mwyrzykowski at apple.com>
  Date:   2024-05-20 (Mon, 20 May 2024)

  Changed paths:
    M LayoutTests/TestExpectations
    A LayoutTests/fast/webgpu/fuzz-274171-expected.txt
    A LayoutTests/fast/webgpu/fuzz-274171.html
    M Source/WebGPU/WebGPU/Queue.mm

  Log Message:
  -----------
  [WebGPU] Queue::writeTexture may write outside its temporary buffer
https://bugs.webkit.org/show_bug.cgi?id=274171
<radar://128064885>

Reviewed by Dan Glastonbury.

bytesPerImage must be a multiple of the blockHeight, but the division
was occurring outside the max() operation instead of inside the right
hand side.

* LayoutTests/TestExpectations:
* LayoutTests/fast/webgpu/fuzz-274171-expected.txt: Added.
* LayoutTests/fast/webgpu/fuzz-274171.html: Added.
Add regression test.

* Source/WebGPU/WebGPU/Queue.mm:
(WebGPU::Queue::writeTexture):

Canonical link: https://commits.webkit.org/279027@main



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