RESOLVED FIXED267388
[GPU Process] Possible null dereferencing when destroying the cached RenderingResources of a WebPage 
https://bugs.webkit.org/show_bug.cgi?id=267388
Summary [GPU Process] Possible null dereferencing when destroying the cached Renderin...
Said Abou-Hallawa
Reported 2024-01-10 18:04:58 PST
The destructor of WebPage calls RemoteResourceCacheProxy::clearRenderingResourceMap() via other calls. Because RemoteResourceCacheProxy stores the cached RenderingResources in a HashMap of WeakPtrs, we need to ensure the WeakPtr of the RenderingResource is not null before using it.
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Add attachment proposed patch, testcase, etc.
Said Abou-Hallawa
Comment 1 2024-01-10 18:05:24 PST
rdar://120464355
Said Abou-Hallawa
Comment 2 2024-01-10 18:09:13 PST
Pull request: https://github.com/WebKit/WebKit/pull/22639
EWS
Comment 3 2024-01-11 09:21:15 PST
Committed 272919@main (a71e93715498): <https://commits.webkit.org/272919@main> Reviewed commits have been landed. Closing PR #22639 and removing active labels.
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