I'm trying to look into it myself, and I will post any findings I have, but perhaps someone else will have better insight. I'm posting the beginning of one of the PDFs in the hopes that someone with a better understanding of what's going on will be able to identify the issue (note that the attached file is in no way a valid PDF, just the first 25 lines of one).==20954== Conditional jump or move depends on uninitialised value(s) ==20954== at 0x4027448: index (mc_replace_strmem.c:160) ==20954== by 0x51B677F: strstr (in /lib/tls/i686/cmov/libc-2.9.so)==20954== by 0x41F33CF: PoDoFo::PdfParser::HasLinearizationDict() (PdfParser.cpp:365) ==20954== by 0x41F3B66: PoDoFo::PdfParser::ReadDocumentStructure() (PdfParser.cpp:229) ==20954== by 0x41F486E: PoDoFo::PdfParser::ParseFile(PoDoFo::PdfRefCountedInputDevice const&, bool) (PdfParser.cpp:192) ==20954== by 0x41F4C99: PoDoFo::PdfParser::ParseFile(char const*, bool) (PdfParser.cpp:136) ==20954== by 0x41F5561: PoDoFo::PdfParser::PdfParser(PoDoFo::PdfVecObjects*, char const*, bool) (PdfParser.cpp:62) ==20954== by 0x41C81B2: PoDoFo::PdfMemDocument::Load(char const*) (PdfMemDocument.cpp:144)==20954== Uninitialised value was created by a heap allocation ==20954== at 0x4026FDE: malloc (vg_replace_malloc.c:207)==20954== by 0x41FAF3D: PoDoFo::PdfRefCountedBuffer::ReallyResize(unsigned int) (PdfRefCountedBuffer.cpp:145) ==20954== by 0x41AFD58: PoDoFo::PdfRefCountedBuffer::Resize(unsigned int) (PdfRefCountedBuffer.h:293) ==20954== by 0x41AFD8C: PoDoFo::PdfRefCountedBuffer::PdfRefCountedBuffer(unsigned int) (PdfRefCountedBuffer.h:213) ==20954== by 0x420F519: PoDoFo::PdfTokenizer::PdfTokenizer() (PdfTokenizer.cpp:132) ==20954== by 0x41F5502: PoDoFo::PdfParser::PdfParser(PoDoFo::PdfVecObjects*, char const*, bool) (PdfParser.cpp:59) ==20954== by 0x41C81B2: PoDoFo::PdfMemDocument::Load(char const*) (PdfMemDocument.cpp:144)
Actually, I think I might have realized something just before I was about to send this along: should that strstr be using the linearizeBuffer instead of m_buffer since linearizeBuffer was just read into?
Thanks, Mike Slegeir
uninited.pdf
Description: Adobe PDF document
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