[Webkit-unassigned] [Bug 141662] New: Very frequent assertions in MachineThreads::removeCurrentThread in DatabaseProcess

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=141662

            Bug ID: 141662
           Summary: Very frequent assertions in
                    MachineThreads::removeCurrentThread in DatabaseProcess
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ap at webkit.org
                CC: beidson at apple.com, ggaren at apple.com,
                    mark.lam at apple.com

DatabaseProcess crashes are currently not reported as such, however looking at the bots, I see this crash happen several times a day.

Thread 2 Crashed:
0   com.apple.JavaScriptCore          0x0000000104e4c4ca WTFCrash + 42
1   com.apple.JavaScriptCore          0x0000000104c0564d JSC::MachineThreads::removeCurrentThread() + 397
2   com.apple.JavaScriptCore          0x0000000104c05199 JSC::MachineThreads::removeThread(void*) + 89
3   libsystem_pthread.dylib           0x00007fff982c372a _pthread_tsd_cleanup + 86
4   libsystem_pthread.dylib           0x00007fff982c3451 _pthread_exit + 117
5   libsystem_pthread.dylib           0x00007fff982c26cd _pthread_wqthread + 879
6   libsystem_pthread.dylib           0x00007fff982c040d start_wqthread + 13

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