[webkit-changes] [WebKit/WebKit] 1b7627: Crash in WebKit::RemoteScrollingCoordinatorProxyIO...

[mattwoodrow]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 1b762776d1903cd3425e68d42472750c1e483d55
      https://github.com/WebKit/WebKit/commit/1b762776d1903cd3425e68d42472750c1e483d55
  Author: Matt Woodrow <mattwoodrow at apple.com>
  Date:   2025-01-24 (Fri, 24 Jan 2025)

  Changed paths:
    M Source/WebKit/UIProcess/RemoteLayerTree/ios/RemoteScrollingCoordinatorProxyIOS.mm

  Log Message:
  -----------
  Crash in WebKit::RemoteScrollingCoordinatorProxyIOS::establishLayerTreeScrollingRelations
https://bugs.webkit.org/show_bug.cgi?id=286459
<rdar://138788281>

Reviewed by Simon Fraser.

Add a MESSAGE_CHECK style null-check for the result of RemoteLayerTreeNode::layerID.

* Source/WebKit/UIProcess/RemoteLayerTree/ios/RemoteScrollingCoordinatorProxyIOS.mm:
(WebKit::RemoteScrollingCoordinatorProxyIOS::establishLayerTreeScrollingRelations):

Canonical link: https://commits.webkit.org/289366@main



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