diff options
Diffstat (limited to 'media-libs/tiff/files/tiff-4.0.7-pdfium-0007-uninitialized-value.patch')
| -rw-r--r-- | media-libs/tiff/files/tiff-4.0.7-pdfium-0007-uninitialized-value.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/media-libs/tiff/files/tiff-4.0.7-pdfium-0007-uninitialized-value.patch b/media-libs/tiff/files/tiff-4.0.7-pdfium-0007-uninitialized-value.patch new file mode 100644 index 000000000000..ab5627f5c169 --- /dev/null +++ b/media-libs/tiff/files/tiff-4.0.7-pdfium-0007-uninitialized-value.patch @@ -0,0 +1,26 @@ +https://codereview.chromium.org/2389993002 +https://crbug.com/651632 +https://pdfium.googlesource.com/pdfium/+/master/libtiff/ + +Author: dsinclair <dsinclair@chromium.org> +Date: Mon Oct 3 13:59:57 2016 -0700 + +Fix potentially uninitialized value. + +Depending on what ReadOK does it's possible for |dircount16| to be used without +being initialized. The read code calls back into PDFium specific code which then +calls into the stream reading code. + +Initialize the value to be sure it is set. + +--- a/libtiff/tif_dirread.c ++++ b/libtiff/tif_dirread.c +@@ -4443,7 +4443,7 @@ TIFFFetchDirectory(TIFF* tif, uint64 diroff, TIFFDirEntry** pdir, + static const char module[] = "TIFFFetchDirectory"; + + void* origdir; +- uint16 dircount16; ++ uint16 dircount16 = 0; + uint32 dirsize; + TIFFDirEntry* dir; + uint8* ma; |