205727 2020-01-03 09:25:54 -0800 REGRESSION: [ iOS Debug ] r253984 Caused iOS Debug Testing to exit early with Crashes 2020-01-03 09:30:06 -0800 1 1 1 Unclassified WebKit WebKit2 WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 tsavell webkit-unassigned cdumez webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1602465 0 tsavell 2020-01-03 09:25:54 -0800 After the changes in https://trac.webkit.org/changeset/253984/webkit iOS Debug testing has been exiting early with 50+ crashes. and 2290 API failures Build: https://build.webkit.org/builders/Apple%20iOS%2013%20Simulator%20Debug%20WK2%20%28Tests%29/builds/1516 No crash log found for com.apple.WebKit.WebContent.Development:68426. stdout: stderr: SHOULD NEVER BE REACHED /Volumes/Data/slave/ios-simulator-13-debug/build/Source/WebKit/Shared/ios/DependencyProcessAssertionIOS.mm(43) : WebKit::DependencyProcessAssertion::DependencyProcessAssertion(WTF::ProcessID, WTF::ASCIILiteral) 1 0x54e60db29 WTFCrash 2 0x5400a59bb WTFCrashWithInfo(int, char const*, char const*, int) 3 0x540832167 WebKit::DependencyProcessAssertion::DependencyProcessAssertion(int, WTF::ASCIILiteral) 4 0x540832433 WebKit::DependencyProcessAssertion::DependencyProcessAssertion(int, WTF::ASCIILiteral) 5 0x5411288ba std::__1::__unique_if<WebKit::DependencyProcessAssertion>::__unique_single std::__1::make_unique<WebKit::DependencyProcessAssertion, int, WTF::ASCIILiteral>(int&&, WTF::ASCIILiteral&&) 6 0x541111324 decltype(auto) WTF::makeUnique<WebKit::DependencyProcessAssertion, int, WTF::ASCIILiteral>(int&&, WTF::ASCIILiteral&&) 7 0x541111023 WebKit::WebProcess::initializeConnection(IPC::Connection*) 8 0x5400d9082 WebKit::AuxiliaryProcess::initialize(WebKit::AuxiliaryProcessInitializationParameters const&) 9 0x540faa2aa void WebKit::initializeAuxiliaryProcess<WebKit::WebProcess>(WebKit::AuxiliaryProcessInitializationParameters&&) 10 0x540fa73f0 void WebKit::XPCServiceInitializer<WebKit::WebProcess, WebKit::XPCServiceInitializerDelegate>(WTF::OSObjectPtr<NSObject<OS_xpc_object>*>, NSObject<OS_xpc_object>*, NSObject<OS_xpc_object>*) 11 0x540fa6ffb WebContentServiceInitializer 12 0x54081902a invocation function for block in WebKit::XPCServiceEventHandler(NSObject<OS_xpc_object>*) 13 0x7fff5190dfb4 _xpc_connection_call_event_handler 14 0x7fff5190e33e _xpc_connection_mach_event 15 0x7fff516ad821 _dispatch_client_callout4 16 0x7fff516c4154 _dispatch_mach_msg_invoke 17 0x7fff516b335c _dispatch_lane_serial_drain 18 0x7fff516c4d30 _dispatch_mach_invoke 19 0x7fff516b9b47 _dispatch_main_queue_callback_4CF 20 0x7fff23b0ce49 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ 21 0x7fff23b07aa9 __CFRunLoopRun 22 0x7fff23b06e66 CFRunLoopRunSpecific 23 0x7fff2569694f -[NSRunLoop(NSRunLoop) runMode:beforeDate:] 24 0x7fff25696b67 -[NSRunLoop(NSRunLoop) run] 25 0x7fff519154e6 _xpc_objc_main 26 0x7fff51917b87 xpc_main 27 0x540812fe9 WebKit::XPCServiceMain(int, char const**) 28 0x5418d78bb WKXPCServiceMain 29 0x10839fd72 main 30 0x7fff516ecd29 start LEAK: 1 WebPageProxy 1602467 1 webkit-bug-importer 2020-01-03 09:27:43 -0800 <rdar://problem/58299365> 1602468 2 cdumez 2020-01-03 09:27:57 -0800 Will fix now. 1602469 3 cdumez 2020-01-03 09:30:06 -0800 <https://trac.webkit.org/changeset/254003>