[Webkit-unassigned] [Bug 61431] New: assertion failure in addIDBBackingStore

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=61431

           Summary: assertion failure in addIDBBackingStore
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ukai at chromium.org
                CC: gregsimon at chromium.org


>From http://trac.webkit.org/changeset/87257/, several layout tests in storage/indexdb started crashing in chromium.

http://test-results.appspot.com/dashboards/flakiness_dashboard.html#showExpectations=true&group=%40ToT%20-%20chromium.org&tests=storage%2Findexeddb%2Fcreate-and-remove-object-store.html%2Cstorage%2Findexeddb%2Fcursor-continue.html%2Cstorage%2Findexeddb%2Fcursor-index-delete.html%2Cstorage%2Findexeddb%2Fcursor-update.html%2Cstorage%2Findexeddb%2Fdatabase-basics.html%2Cstorage%2Findexeddb%2Fduplicates.html%2Cstorage%2Findexeddb%2Fexception-in-event-aborts.html%2Cstorage%2Findexeddb%2Findex-cursor.html%2Cstorage%2Findexeddb%2Fmigrate-basics.html%2Cstorage%2Findexeddb%2Fmozilla%2Fadd-twice-failure.html%2Cstorage%2Findexeddb%2Fmozilla%2Fbad-keypath.html%2Cstorage%2Findexeddb%2Fobjectstore-basics.html%2Cstorage%2Findexeddb%2Fobjectstore-cursor.html%2Cstorage%2Findexeddb%2Fopen-cursor.html%2Cstorage%2Findexeddb%2Frequest-event-propagation.html%2Cstorage%2Findexeddb%2Fset_version_queue.html%2Cstorage%2Findexeddb%2Ftransaction-after-close.html%2Cstorage%2Findexeddb%2Ftransaction-basic
 s.html%2Cstorage%2Findexeddb%2Ftransaction-event-propagation.html%2Cstorage%2Findexeddb%2Ftransaction-rollback.html

For example,
ASSERTION FAILED: !m_backingStoreMap.contains(uniqueIdentifier)
third_party/WebKit/Source/WebCore/storage/IDBFactoryBackendImpl.cpp(64) : void WebCore::IDBFactoryBackendImpl::addIDBBackingStore(const WTF::String&, WebCore::IDBBackingStore*)
[31013:31013:3159816971990:ERROR:process_util_posix.cc(108)] Received signal 11

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