WebKit Bugzilla
New
Browse
Search+
Log In
×
Sign in with GitHub
or
Remember my login
Create Account
·
Forgot Password
Forgotten password account recovery
RESOLVED FIXED
257982
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.
Note
You need to
log in
before you can comment on or make changes to this bug.
Top of Page
Format For Printing
XML
Clone This Bug