RESOLVED FIXED305800
[Site Isolation] Fix crash in imported/w3c/web-platform-tests/html/cross-origin-opener-policy/iframe-popup-same-origin-allow-popups-to-same-origin-allow-popups.https.html 
https://bugs.webkit.org/show_bug.cgi?id=305800
Summary [Site Isolation] Fix crash in imported/w3c/web-platform-tests/html/cross-orig...
Sihui Liu
Reported 2026-01-19 17:17:40 PST
...
Attachments
Add attachment proposed patch, testcase, etc.
Sihui Liu
Comment 1 2026-01-19 18:23:26 PST
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 WebCore 0x117ab1eb4 WebCore::RenderLayerCompositor::cacheAcceleratedCompositingFlags() + 76 1 WebCore 0x11a132b2c WebCore::RenderLayerCompositor::cacheAcceleratedCompositingFlagsAfterLayout() + 28 2 WebCore 0x117abf41c WebCore::RenderLayerCompositor::updateCompositingLayers(WebCore::CompositingUpdateType, WebCore::RenderLayer*) + 116 3 WebCore 0x117baf440 WebCore::ThreadTimers::sharedTimerFiredInternal() + 320 4 WebCore 0x117b7c274 WebCore::timerFired(__CFRunLoopTimer*, void*) + 32 5 CoreFoundation 0x18297ac0c __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 32 6 CoreFoundation 0x18297a904 __CFRunLoopDoTimer + 980 7 CoreFoundation 0x18297a47c __CFRunLoopDoTimers + 280 8 CoreFoundation 0x182960784 __CFRunLoopRun + 1816 9 CoreFoundation 0x182a325a8 _CFRunLoopRunSpecificWithOptions + 532 10 Foundation 0x18416bb34 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 212 11 Foundation 0x1841e3f90 -[NSRunLoop(NSRunLoop) run] + 64 12 libxpc.dylib 0x18258ebf8 _xpc_objc_main + 668 13 libxpc.dylib 0x1825a0b2c _xpc_main + 40 14 libxpc.dylib 0x18258e7b8 xpc_main + 64 15 WebKit 0x1086c9a7c WebKit::XPCServiceMain(int, char const**) + 44 16 dyld 0x1824f1244 start + 7188
Radar WebKit Bug Importer
Comment 2 2026-01-19 18:24:52 PST
<rdar://problem/168472141>
Sihui Liu
Comment 3 2026-01-19 18:33:01 PST
Pull request: https://github.com/WebKit/WebKit/pull/56870
EWS
Comment 4 2026-01-20 11:47:06 PST
Committed 305891@main (19207091a2dd): <https://commits.webkit.org/305891@main> Reviewed commits have been landed. Closing PR #56870 and removing active labels.
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