[webkit-changes] [WebKit/WebKit] d5cf7f: Crash in RemoteScrollingTree::tryToApplyLayerPosit...

[Simon Fraser]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: d5cf7f0e67dcf392f4b30234b300f9ef74f515cd
      https://github.com/WebKit/WebKit/commit/d5cf7f0e67dcf392f4b30234b300f9ef74f515cd
  Author: Simon Fraser <simon.fraser at apple.com>
  Date:   2023-06-09 (Fri, 09 Jun 2023)

  Changed paths:
    M Source/WebKit/UIProcess/RemoteLayerTree/mac/RemoteLayerTreeEventDispatcher.cpp

  Log Message:
  -----------
  Crash in RemoteScrollingTree::tryToApplyLayerPositions
https://bugs.webkit.org/show_bug.cgi?id=257877
rdar://110455075

Reviewed by Matt Woodrow.

Null-check the scrolling tree in `RemoteLayerTreeEventDispatcher::delayedRenderingUpdateDetectionTimerFired()`
as we do elsewhere.

* Source/WebKit/UIProcess/RemoteLayerTree/mac/RemoteLayerTreeEventDispatcher.cpp:
(WebKit::RemoteLayerTreeEventDispatcher::delayedRenderingUpdateDetectionTimerFired):

Canonical link: https://commits.webkit.org/265023@main