Created attachment 392587 [details] append-node-under-document-crash-log editing/execCommand/append-node-under-document.html Description: This test is flaky crashing on Mac wk2 Debug. It appears to have a regression point of r257760. History: https://results.webkit.org/?suite=layout-tests&test=editing%2FexecCommand%2Fappend-node-under-document.html&style=debug&flavor=wk2&flavor=gpuprocess&platform=mac&limit=50000 Crash log attached; ASSERTION FAILED: child->parentObject() == this ./accessibility/AccessibilityObject.cpp(496) : virtual void WebCore::AccessibilityObject::insertChild(WebCore::AXCoreObject *, unsigned int) 1 0x23188db29 WTFCrash 2 0x214d7bdeb WTFCrashWithInfo(int, char const*, char const*, int) 3 0x216f7e1a5 WebCore::AccessibilityObject::insertChild(WebCore::AXCoreObject*, unsigned int)
<rdar://problem/60087221>
I can reproduce this issue on r257778, but cannot reproduce it on r257745. Command: run-webkit-tests --iterations 1000 --exit-after-n-failures 3 --force -f --no-retry --debug editing/execCommand/append-node-under-document.html r25778: [6/1000] editing/execCommand/append-node-under-document.html failed unexpectedly (com.apple.WebKit.Networking.Development crashed [pid=1766]) [6/1000] editing/execCommand/append-node-under-document.html failed unexpectedly (com.apple.WebKit.Networking.Development crashed [pid=1768]) [6/1000] editing/execCommand/append-node-under-document.html failed unexpectedly (com.apple.WebKit.Networking.Development crashed [pid=1774]) Exiting early after 3 failures. 3 tests run. 0 tests ran as expected, 3 didn't (997 didn't run): r257745: All 1000 tests ran as expected.
I have marked this test as failing while this issue is investigated. https://trac.webkit.org/changeset/257937/webkit
I have removed the test expectations here: https://trac.webkit.org/changeset/258023/webkit
Reopening to attach new patch.
Created attachment 392919 [details] Patch
Comment on attachment 392919 [details] Patch Clearing flags on attachment: 392919 Committed r258094: <https://trac.webkit.org/changeset/258094>
All reviewed patches have been landed. Closing bug.