[webkit-changes] [WebKit/WebKit] 4b1a0c: Cherry-pick 252432.845 at safari-7614-branch (2fc9fcf...

[mattwoodrow]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 4b1a0c93dadf031285667d2d3fc09ecbca5001d1
      https://github.com/WebKit/WebKit/commit/4b1a0c93dadf031285667d2d3fc09ecbca5001d1
  Author: Matt Woodrow <mattwoodrow at apple.com>
  Date:   2023-01-24 (Tue, 24 Jan 2023)

  Changed paths:
    M Source/WebKit/GPUProcess/media/RemoteImageDecoderAVFProxy.cpp

  Log Message:
  -----------
  Cherry-pick 252432.845 at safari-7614-branch (2fc9fcfb0857). rdar://104611648

    Use-after-free in RemoteImageDecoderAVFProxy::createDecoder.
    https://bugs.webkit.org/show_bug.cgi?id=248317
    <rdar://101576935>

    Reviewed by Jonathan Bedard and David Kilzer.

    Passes a WeakPtr into the lambda instead, so that we can check if it's still
    alive before accessing it.

    * Source/WebKit/GPUProcess/media/RemoteImageDecoderAVFProxy.cpp:
    (WebKit::RemoteImageDecoderAVFProxy::createDecoder):

    Canonical link: https://commits.webkit.org/252432.845@safari-7614-branch

Canonical link: https://commits.webkit.org/259335@main