[Webkit-unassigned] [Bug 110337] New: fast/workers/storage/interrupt-database.html hits assert frequently

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=110337

           Summary: fast/workers/storage/interrupt-database.html hits
                    assert frequently
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: koivisto at iki.fi
                CC: oliver at apple.com, mark.lam at apple.com


for example:

http://build.webkit.org/results/Apple%20MountainLion%20Debug%20WK1%20(Tests)/r143452%20(5665)/results.html
http://build.webkit.org/results/Apple%20MountainLion%20Debug%20WK1%20(Tests)/r143432%20(5656)/results.html

Thread 22 Crashed:: WebCore: Database
0   com.apple.WebCore                 0x000000010ff7db04 WebCore::SQLTransactionStateMachine<WebCore::SQLTransactionBackend>::setStateToRequestedState() + 84 (SQLTransactionStateMachine.h:85)
1   com.apple.WebCore                 0x000000010ff7cbf2 WebCore::SQLTransactionBackend::performNextStep() + 66 (SQLTransactionBackend.cpp:497)
2   com.apple.WebCore                 0x000000010eb7142d WebCore::DatabaseBackendAsync::DatabaseTransactionTask::doPerformTask() + 45 (DatabaseTask.cpp:174)
3   com.apple.WebCore                 0x000000010eb70f44 WebCore::DatabaseTask::performTask() + 180 (DatabaseTask.cpp:91)
4   com.apple.WebCore                 0x000000010eb71c37 WebCore::DatabaseThread::databaseThread() + 199 (DatabaseThread.cpp:112)
5   com.apple.WebCore                 0x000000010eb71afd WebCore::DatabaseThread::databaseThreadStart(void*) + 29 (DatabaseThread.cpp:100)
6   com.apple.JavaScriptCore          0x000000010d3b3fe0 WTF::threadEntryPoint(void*) + 144 (Threading.cpp:70)
7   com.apple.JavaScriptCore          0x000000010d3b49d8 WTF::wtfThreadEntryPoint(void*) + 104 (ThreadingPthreads.cpp:196)
8   libsystem_c.dylib                 0x00007fff8e7fd742 _pthread_start + 327
9   libsystem_c.dylib                 0x00007fff8e7ea181 thread_start + 13

template<typename T>
void SQLTransactionStateMachine<T>::setStateToRequestedState()
{
    ASSERT(m_nextState == SQLTransactionState::Idle);
...

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