Bug 247872 – [WinCairo] KeyedDecoderGeneric: TestWebCore.KeyedCoding.DecodeRandomData is crashing

• Status: RESOLVED
• Resolution: FIXED
• Component: WebCore Misc.

[Fujii Hironori]

[WinCairo] KeyedDecoderGeneric: TestWebCore.KeyedCoding.DecodeRandomData is failing

    TestWebCore.KeyedCoding.DecodeRandomData
        1   00007FF8FA44248B WTFCrash
        2   00007FF8D05E8FFF (null)
        3   00007FF8D062D7AE (null)
        4   00007FF8D062A6D1 (null)
        5   00007FF8D09D7FC3 WebCore::appendLinkedFonts
        6   00007FF8D0A5CB26 WebCore::KeyedDecoder::decoder
        7   00007FF8D0A5BAE0 WebCore::KeyedDecoder::decoder
        8   00007FF8D0A64313 WebCore::KeyedDecoder::decoder
        9   00007FF8D0A63A36 WebCore::KeyedDecoder::decoder
        10  00007FF8D0A5B898 WebCore::KeyedDecoder::decoder
        11  00007FF8D05E7884 (null)
        12  00007FF8D530961D WebCore::XPathResult::snapshotItem
        13  00007FF8D53094FC WebCore::XPathResult::snapshotItem
        14  00007FF8D52F068B WebCore::XPathResult::snapshotItem
        15  00007FF8D52F120D WebCore::XPathResult::snapshotItem
        16  00007FF8D52F1AEE WebCore::XPathResult::snapshotItem
        17  00007FF8D52F7E57 WebCore::XPathResult::snapshotItem
        18  00007FF8D53097AD WebCore::XPathResult::snapshotItem
        19  00007FF8D53095EC WebCore::XPathResult::snapshotItem
        20  00007FF8D52F2326 WebCore::XPathResult::snapshotItem
        21  00007FF8D0517573 (null)
        22  00007FF8D051490E (null)
        23  00007FF8D066666B WebCore::PlatformTimeRanges::length
        24  00007FF8D06666BC dllLauncherEntryPoint
        25  00007FF701AA1A0C (null)
        26  00007FF701AA5BD4 (null)
        27  00007FF9083E7974 BaseThreadInitThunk
        28  00007FF9247AA271 RtlUserThreadStart
        
        File name unavailable
        SEH exception with code 0xc0000005 thrown in the test body.
        
254680@main: Last good
254685@main: First bad, https://build.webkit.org/#/builders/60/builds/8127

[Fujii Hironori]

https://results.webkit.org/?suite=api-tests&test=TestWebCore.KeyedCoding.DecodeRandomData

[Fujii Hironori]

Backtrace:

> WTF.dll!WTFCrash() Line 327	C++
> TestWebCoreLib.dll!WTF::VectorBufferBase<unsigned char,WTF::FastMalloc>::allocateBuffer<0>(unsigned __int64 newCapacity) Line 313	C++
> TestWebCoreLib.dll!WTF::VectorBufferBase<unsigned char,WTF::FastMalloc>::allocateBuffer(unsigned __int64 newCapacity) Line 327	C++
> TestWebCoreLib.dll!WTF::VectorBuffer<unsigned char,0,WTF::FastMalloc>::VectorBuffer<unsigned char,0,WTF::FastMalloc>(unsigned __int64 capacity, unsigned __int64 size) Line 414	C++
> TestWebCoreLib.dll!WTF::Vector<unsigned char,0,WTF::CrashOnOverflow,16,WTF::FastMalloc>::Vector<unsigned char,0,WTF::CrashOnOverflow,16,WTF::FastMalloc>(unsigned __int64 size) Line 689	C++
> TestWebCoreLib.dll!WebCore::readString(WTF::Persistence::Decoder & decoder) Line 61	C++
> TestWebCoreLib.dll!WebCore::KeyedDecoderGeneric::KeyedDecoderGeneric(const unsigned char * data, unsigned __int64 size) Line 106	C++
> [External Code]	
> TestWebCoreLib.dll!WTF::makeUnique<WebCore::KeyedDecoderGeneric,unsigned char const * &,unsigned __int64 &>(const unsigned char * & <args_0>, unsigned __int64 & <args_1>) Line 539	C++
> TestWebCoreLib.dll!WebCore::KeyedDecoder::decoder(const unsigned char * data, unsigned __int64 size) Line 86	C++
> TestWebCoreLib.dll!TestWebKitAPI::KeyedCoding_DecodeRandomData_Test::TestBody() Line 309	C++
> TestWebCoreLib.dll!testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test,void>(testing::Test * object, void(testing::Test::*)() method, const char * location) Line 2592	C++
> TestWebCoreLib.dll!testing::internal::HandleExceptionsInMethodIfSupported<testing::Test,void>(testing::Test * object, void(testing::Test::*)() method, const char * location) Line 2662	C++
> TestWebCoreLib.dll!testing::Test::Run() Line 2689	C++
> TestWebCoreLib.dll!testing::TestInfo::Run() Line 2864	C++
> TestWebCoreLib.dll!testing::TestSuite::Run() Line 3016	C++
> TestWebCoreLib.dll!testing::internal::UnitTestImpl::RunAllTests() Line 5852	C++
> TestWebCoreLib.dll!testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl,bool>(testing::internal::UnitTestImpl * object, bool(testing::internal::UnitTestImpl::*)() method, const char * location) Line 2592	C++
> TestWebCoreLib.dll!testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl,bool>(testing::internal::UnitTestImpl * object, bool(testing::internal::UnitTestImpl::*)() method, const char * location) Line 2662	C++
> TestWebCoreLib.dll!testing::UnitTest::Run() Line 5434	C++
> TestWebCoreLib.dll!RUN_ALL_TESTS() Line 2472	C++
> TestWebCoreLib.dll!TestWebKitAPI::TestsController::run(int argc, char * * argv) Line 89	C++
> TestWebCoreLib.dll!main(int argc, char * * argv) Line 41	C++
> TestWebCoreLib.dll!dllLauncherEntryPoint(int argc, char * * argv) Line 49	C++
> TestWebCore.exe!main(int argc, const char * * argv) Line 223	C++
> [External Code]

[Fujii Hironori]

Created attachment 463511 [details]
Patch

[Ross Kirsling]

Comment on attachment 463511 [details]
Patch

LGTM

[EWS]

Committed 256642@main (6d664461ef74): <https://commits.webkit.org/256642@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 463511 [details].

[Radar WebKit Bug Importer]

<rdar://problem/102310938>