27 lines
802 B
Diff
27 lines
802 B
Diff
https://codereview.chromium.org/2389993002
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https://crbug.com/651632
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https://pdfium.googlesource.com/pdfium/+/master/libtiff/
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Author: dsinclair <dsinclair@chromium.org>
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Date: Mon Oct 3 13:59:57 2016 -0700
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Fix potentially uninitialized value.
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Depending on what ReadOK does it's possible for |dircount16| to be used without
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being initialized. The read code calls back into PDFium specific code which then
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calls into the stream reading code.
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Initialize the value to be sure it is set.
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--- a/libtiff/tif_dirread.c
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+++ b/libtiff/tif_dirread.c
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@@ -4443,7 +4443,7 @@ TIFFFetchDirectory(TIFF* tif, uint64 diroff, TIFFDirEntry** pdir,
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static const char module[] = "TIFFFetchDirectory";
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void* origdir;
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- uint16 dircount16;
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+ uint16 dircount16 = 0;
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uint32 dirsize;
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TIFFDirEntry* dir;
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uint8* ma;
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