RESOLVED FIXED257982
REGRESSION(262585@main): Potential null dereference of cached images in MemoryCache::destroyDecodedDataForAllImages() 
https://bugs.webkit.org/show_bug.cgi?id=257982
Summary REGRESSION(262585@main): Potential null dereference of cached images in Memor...
Said Abou-Hallawa
Reported 2023-06-12 14:57:43 PDT
When the WebProcess cleanup timer fires, MemoryCache may try to release the decoded data of an already deleted CachedImage. MemoryCache stores the list of cached resources as WeakPtrs. So we need to null check these WeakPtrs in forEachResource() before using them.
Attachments
Add attachment proposed patch, testcase, etc.
Said Abou-Hallawa
Comment 1 2023-06-12 14:58:13 PDT
rdar://110339514
Said Abou-Hallawa
Comment 2 2023-06-12 15:31:14 PDT
Pull request: https://github.com/WebKit/WebKit/pull/14890
EWS
Comment 3 2023-06-12 17:12:23 PDT
Committed 265093@main (1fc9a2418bc9): <https://commits.webkit.org/265093@main> Reviewed commits have been landed. Closing PR #14890 and removing active labels.
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