197925 2019-05-15 14:13:31 -0700 ASSERTION FAILED: m_ptr WebKit::WebProcessProxy, WTF::DumbPtrTraits<WebKit::WebProcessProxy> >::ptr() 79 API Tests are crashing 2019-05-15 14:15:38 -0700 1 1 1 Unclassified WebKit WebKit API WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=197856 InRadar P2 Normal --- 1 sroberts webkit-unassigned cdumez jlewis3 ryanhaddad sihui_liu tsavell webkit-bug-importer oldest_to_newest 1536578 0 sroberts 2019-05-15 14:13:31 -0700 After changes in https://trac.webkit.org/changeset/245339 , seeing 79 API test crashes on several queues. https://build.webkit.org/builders/Apple%20Mojave%20Release%20WK1%20%28Tests%29/builds/4988/steps/run-api-tests/logs/stdio run-api-tests TestWebKitAPI.ProcessSwap.NavigateBackAfterClientSideRedirect --debug Hits the following Assertion with r245339, passes in prior builds. ASSERTION FAILED: m_ptr /Volumes/Data/worker/liberty-debug-archive/build/OpenSource/WebKitBuild/Debug/usr/local/include/wtf/Ref.h(120) : T *WTF::Ref<WebKit::WebProcessProxy, WTF::DumbPtrTraits<WebKit::WebProcessProxy> >::ptr() const [T = WebKit::WebProcessProxy, PtrTraits = WTF::DumbPtrTraits<WebKit::WebProcessProxy>] 1 0x1133c4429 WTFCrash 2 0x118e0ebcb WTFCrashWithInfo(int, char const*, char const*, int) 3 0x1196b53e8 WTF::Ref<WebKit::WebProcessProxy, WTF::DumbPtrTraits<WebKit::WebProcessProxy> >::ptr() const 4 0x1199219f1 WebKit::WebProcessCache::CachedProcess::CachedProcess(WTF::Ref<WebKit::WebProcessProxy, WTF::DumbPtrTraits<WebKit::WebProcessProxy> >&&) Will attach full crash log to Radar. 1536580 1 cdumez 2019-05-15 14:15:16 -0700 <https://trac.webkit.org/changeset/245343> 1536581 2 webkit-bug-importer 2019-05-15 14:15:38 -0700 <rdar://problem/50825960>