RESOLVED DUPLICATE of bug 288073287998
[Site Isolation] Main frame history state may be incorrectly created when navigating during iframe creation 
https://bugs.webkit.org/show_bug.cgi?id=287998
Summary [Site Isolation] Main frame history state may be incorrectly created when nav...
Charlie Wolfe
Reported 2025-02-19 13:31:25 PST
Site Isolation introduces an unavoidable race condition where the history state committed by a web process may have been created for a frame that the UI process has already destroyed. When this happens, we should return early instead of adding an incorrect back/forward item.
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Radar WebKit Bug Importer
Comment 1 2025-02-19 13:31:51 PST
<rdar://problem/145164046>
Charlie Wolfe
Comment 2 2025-02-19 13:33:14 PST
Pull request: https://github.com/WebKit/WebKit/pull/40888
EWS
Comment 3 2025-02-19 17:38:22 PST
Committed 290673@main (da11536420a6): <https://commits.webkit.org/290673@main> Reviewed commits have been landed. Closing PR #40888 and removing active labels.
WebKit Commit Bot
Comment 4 2025-02-19 21:29:06 PST
Re-opened since this is blocked by bug 288063
Charlie Wolfe
Comment 5 2025-02-20 00:15:33 PST
*** This bug has been marked as a duplicate of bug 288073 ***
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