[Webkit-unassigned] [Bug 233882] New: REGRESSION (r286527): Three API tests crashing under WebKit::ProcessLauncher::launchProcess()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=233882

            Bug ID: 233882
           Summary: REGRESSION (r286527): Three API tests crashing under
                    WebKit::ProcessLauncher::launchProcess()
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com

Created attachment 446052

  --> https://bugs.webkit.org/attachment.cgi?id=446052&action=review

crash log

The following three API tests are crashing on iOS and macOS debug gots after https://trac.webkit.org/changeset/286527/webkit landed

TestWebKitAPI.WKNavigation.FailureToStartWebProcessAfterCrashRecovery
TestWebKitAPI.WKNavigation.FailureToStartWebProcessRecovery
TestWebKitAPI.WebKit.NetworkProcessRelaunchOnLaunchFailure

Thread 0 Crashed:
0   libxpc.dylib                        0x00000001870b9ff8 0x187094000 + 155640
1   libxpc.dylib                        0x0000000187099fa0 0x187094000 + 24480
2   libxpc.dylib                        0x0000000187099da4 0x187094000 + 23972
3   com.apple.WebKit                    0x000000010e40d008 WebKit::ProcessLauncher::launchProcess()::$_0::operator()(NSObject<OS_xpc_object>*) const + 200 (ProcessLauncherCocoa.mm:256)
4   com.apple.WebKit                    0x000000010e40cf34 WebKit::ProcessLauncher::launchProcess()::$_1::operator()(NSObject<OS_xpc_object>*)::'lambda'()::operator()() const + 56 (ProcessLauncherCocoa.mm:281)
5   com.apple.WebKit                    0x000000010e40ce0c WTF::Detail::CallableWrapper<WebKit::ProcessLauncher::launchProcess()::$_1::operator()(NSObject<OS_xpc_object>*)::'lambda'(), void>::call() + 28 (Function.h:53)
6   com.apple.JavaScriptCore            0x00000001040e8a3c WTF::Function<void ()>::operator()() const + 124 (Function.h:82)
7   com.apple.JavaScriptCore            0x0000000104179088 WTF::RunLoop::performWork() + 316 (RunLoop.cpp:133)
8   com.apple.JavaScriptCore            0x000000010417de54 WTF::RunLoop::performWork(void*) + 44 (RunLoopCF.cpp:46)

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