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authorStephan Bergmann <sbergman@redhat.com>2019-10-21 15:34:44 +0200
committerStephan Bergmann <sbergman@redhat.com>2019-10-21 19:18:25 +0200
commitb25fd58a1ecba62f7967dd118194f5994fcd5c23 (patch)
tree36bf90e6c26354bd89c5fe25fff01a47b8d9fc08 /compilerplugins/clang
parent1581c0d4c43b3516ec5f7cdeea63b3ffe3b6b22d (diff)
-fsanitize=nullptr-with-nonzero-offset
...(new with Clang 10 trunk), as seen during CppunitTest_emfio_wmf: > tools/source/stream/stream.cxx:808:32: runtime error: applying non-zero offset 10 to null pointer > #0 in SvStream::SeekRel(long) at tools/source/stream/stream.cxx:808:32 > #1 in (anonymous namespace)::ImplReadDIBFileHeader(SvStream&, unsigned long&) at vcl/source/gdi/dibtools.cxx:1085:19 > #2 in (anonymous namespace)::ImplReadDIB(Bitmap&, AlphaMask*, SvStream&, bool, bool, bool) at vcl/source/gdi/dibtools.cxx:1656:12 > #3 in ReadDIB(Bitmap&, SvStream&, bool, bool) at vcl/source/gdi/dibtools.cxx:1738:12 > #4 in emfio::EmfReader::ReadEnhWMF() at emfio/source/reader/emfreader.cxx:1507:33 > #5 in emfio::emfreader::XEmfParser::getDecomposition(com::sun::star::uno::Reference<com::sun::star::io::XInputStream> const&, rtl::OUString const&, com::sun::star::uno::Sequence<com::sun::star::beans::PropertyValue> const&) at emfio/source/emfuno/xemfparser.cxx:148:72 > #6 in non-virtual thunk to emfio::emfreader::XEmfParser::getDecomposition(com::sun::star::uno::Reference<com::sun::star::io::XInputStream> const&, rtl::OUString const&, com::sun::star::uno::Sequence<com::sun::star::beans::PropertyValue> const&) at emfio/source/emfuno/xemfparser.cxx > #7 in VectorGraphicData::ensureSequenceAndRange() at vcl/source/gdi/vectorgraphicdata.cxx:172:137 > #8 in VectorGraphicData::getPrimitive2DSequence() const at vcl/source/gdi/vectorgraphicdata.cxx:279:45 > #9 in ImpGraphic::ImplGetGDIMetaFile() const at vcl/source/gdi/impgraph.cxx:844:110 > #10 in Graphic::GetGDIMetaFile() const at vcl/source/gdi/graph.cxx:365:26 > #11 in ReadWindowMetafile(SvStream&, GDIMetaFile&) at vcl/source/filter/wmf/wmf.cxx:62:25 > #12 in WmfTest::testEmfProblem() at emfio/qa/cppunit/wmf/wmfimporttest.cxx:116:5 An invariant of SvStream appears to be that m_pRWBuf can be null and that m_pBufPos is null iff m_pRWBuf is null. So don't update m_pBufPos here when m_pRWBuf is null. (And assert the assumed invariant.) Change-Id: Iad2eb2723394f5564d43dfa8a3a1a8b8de79158d Reviewed-on: https://gerrit.libreoffice.org/81237 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Diffstat (limited to 'compilerplugins/clang')
0 files changed, 0 insertions, 0 deletions