[Webkit-unassigned] [Bug 82843] New: [chromium] Assertion failure in ~WorkerFileWriterCallbacksBridge.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=82843

           Summary: [chromium] Assertion failure in
                    ~WorkerFileWriterCallbacksBridge.
           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: zhenghao at chromium.org


Regressions: Unexpected DumpRenderTree crashes : (1)
  fast/filesystem/workers/file-writer-gc-blob.html = CRASH

Seen on our downstream WebKit layout test bot for Chromium Android. As the test rarely timeout on desktop bots, the crash is not seen by now on upstream bots. I haven't got a way to consistently reproduce the crash yet, though.

Reading symbols from /usr/local/google/code/clank.master/out/target/product/crespo4g/symbols
pid: 7449, tid: 7449  >>> /data/drt/DumpRenderTree <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr bbadbeef
    r0 00000079  r1 00cdeb2c  r2 bee2e98c  r3 bbadbeef
    r4 028567c8  r5 00000000  r6 028567d4  r7 bee2ea38
    r8 00000000  r9 024fcc90  sl 00000000  fp bee2ee6c
    ip 00004000  sp bee2e9a8  lr 005ddea7  pc 005ddea8

Stack Data:
  ADDR      VALUE     FUNCTION      FILE:LINE
  bee2e984  000b6a81  WTFReportArgumentAssertionFailure+4third_party/WebKit/Source/JavaScriptCore/wtf/Assertions.cpp:253
  bee2e9b4  0006333d  WebKit::WorkerFileWriterCallbacksBridge::~WorkerFileWriterCallbacksBridge()+68      third_party/WebKit/Source/WebKit/chromium/src/WorkerFileWriterCallbacksBridge.cpp:156
  bee2e9bc  0006337d  WebKit::WorkerFileWriterCallbacksBridge::~WorkerFileWriterCallbacksBridge()+132     third_party/WebKit/Source/WebKit/chromium/src/WorkerFileWriterCallbacksBridge.cpp:157
  bee2e9c4  0006116d  WTF::PassRefPtr<WebKit::WorkerFileWriterCallbacksBridge>::PassRefPtr<WebKit::WorkerFileWriterCallbacksBridge>(WTF::RefPtr<WebKit::WorkerFileWriterCallbacksBridge> const&)+20  third_party/WebKit/Source/JavaScriptCore/wtf/PassRefPtr.h:156
  bee2e9d4  00062e17  WebKit::WorkerFileWriterCallbacksBridge::notifyStop()+62third_party/WebKit/Source/WebKit/chromium/src/WorkerFileWriterCallbacksBridge.cpp:58
  bee2e9e4  000654dd  WebKit::WebIDBDatabaseError::assign(unsigned short, WebKit::WebString const&)+16    third_party/WebKit/Source/WebKit/chromium/src/WebIDBDatabaseError.cpp:50

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