Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: ae9baa4b0135d0c8e4c549793240905223f69d3e
https://github.com/WebKit/WebKit/commit/ae9baa4b0135d0c8e4c549793240905223f69d3e
Author: Chris Dumez <[email protected]>
Date: 2026-06-29 (Mon, 29 Jun 2026)
Changed paths:
A LayoutTests/fast/dom/CloseWatcher-watcher-crash-expected.txt
A LayoutTests/fast/dom/CloseWatcher-watcher-crash.html
M Source/WebCore/html/closewatcher/CloseWatcher.cpp
Log Message:
-----------
use-after-free in CloseWatcher::destroy(): abort-signal algorithm calls
destroy() via WeakPtr while CloseWatcherManager holds the last Ref
https://bugs.webkit.org/show_bug.cgi?id=313626
rdar://175672431
Reviewed by Ryosuke Niwa.
Protect the watcher before calling destroy() on it.
Test: fast/dom/CloseWatcher-watcher-crash.html
* LayoutTests/fast/dom/CloseWatcher-watcher-crash-expected.txt: Added.
* LayoutTests/fast/dom/CloseWatcher-watcher-crash.html: Added.
* Source/WebCore/html/closewatcher/CloseWatcher.cpp:
(WebCore::CloseWatcher::create):
Originally-landed-as: 305413.770@safari-7624-branch (a2cb3a724645).
rdar://180428565
Canonical link: https://commits.webkit.org/316040@main
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