[webkit-changes] [WebKit/WebKit] 3af977: WebGPU, heap-use-after-free in in WebGPU::Device::...

[geoffreygaren]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 3af977b5f7ffe871816bd6f826380eee28ff3561
      https://github.com/WebKit/WebKit/commit/3af977b5f7ffe871816bd6f826380eee28ff3561
  Author: Geoffrey Garen <ggaren at apple.com>
  Date:   2024-10-28 (Mon, 28 Oct 2024)

  Changed paths:
    M Source/WebGPU/WebGPU/Adapter.h
    M Source/WebGPU/WebGPU/Device.h
    M Source/WebGPU/WebGPU/Device.mm

  Log Message:
  -----------
  WebGPU, heap-use-after-free in in WebGPU::Device::instance()
https://bugs.webkit.org/show_bug.cgi?id=282177
rdar://138765627

Reviewed by Mike Wyrzykowski.

Avoid using Adapter on a secondary thread since it's single-threaded. We can
store Instance directly, since that's thread-safe.

* Source/WebGPU/WebGPU/Adapter.h:
(WebGPU::Adapter::weakInstance const):
* Source/WebGPU/WebGPU/Device.h:
(WebGPU::Device::instance const):
* Source/WebGPU/WebGPU/Device.mm:
(WebGPU::Device::Device):

Canonical link: https://commits.webkit.org/285774@main



To unsubscribe from these emails, change your notification settings at https://github.com/WebKit/WebKit/settings/notifications