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authorNicolas Pena <npm@chromium.org>2017-03-30 14:32:05 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-03-30 18:54:58 +0000
commit1c5e98c6fdd664eda5e6d04835e55125a2117970 (patch)
treeb302ad49bc724217c327213b8acdd20ed9229e2a /third_party/libtiff/tif_ojpeg.c
parentbccf573b72c76597f6b1f1e99e8db4e1cc759843 (diff)
downloadpdfium-1c5e98c6fdd664eda5e6d04835e55125a2117970.tar.xz
Libtiff security upstream patches
CL list: https://github.com/vadz/libtiff/commit/438274f938e046d33cb0e1230b41da32ffe223e1 https://github.com/vadz/libtiff/commit/43bc256d8ae44b92d2734a3c5bc73957a4d7c1ec https://github.com/vadz/libtiff/commit/1044b43637fa7f70fb19b93593777b78bd20da86 https://github.com/vadz/libtiff/commit/9a72a69e035ee70ff5c41541c8c61cd97990d018 https://github.com/vadz/libtiff/commit/b4b41925115059b49f97432bda0613411df2f686 Bug: chromium:706349 Change-Id: I782156e7486919a62e25eeb95cb8699f1b2c5ee1 Reviewed-on: https://pdfium-review.googlesource.com/3374 Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
Diffstat (limited to 'third_party/libtiff/tif_ojpeg.c')
-rw-r--r--third_party/libtiff/tif_ojpeg.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/third_party/libtiff/tif_ojpeg.c b/third_party/libtiff/tif_ojpeg.c
index e128887bf6..cb84be96ba 100644
--- a/third_party/libtiff/tif_ojpeg.c
+++ b/third_party/libtiff/tif_ojpeg.c
@@ -253,6 +253,7 @@ typedef enum {
typedef struct {
TIFF* tif;
+ int decoder_ok;
#ifndef LIBJPEG_ENCAP_EXTERNAL
JMP_BUF exit_jmpbuf;
#endif
@@ -731,6 +732,7 @@ OJPEGPreDecode(TIFF* tif, uint16 s)
}
sp->write_curstrile++;
}
+ sp->decoder_ok = 1;
return(1);
}
@@ -793,8 +795,14 @@ OJPEGPreDecodeSkipScanlines(TIFF* tif)
static int
OJPEGDecode(TIFF* tif, uint8* buf, tmsize_t cc, uint16 s)
{
+ static const char module[]="OJPEGDecode";
OJPEGState* sp=(OJPEGState*)tif->tif_data;
(void)s;
+ if( !sp->decoder_ok )
+ {
+ TIFFErrorExt(tif->tif_clientdata,module,"Cannot decode: decoder not correctly initialized");
+ return 0;
+ }
if (sp->libjpeg_jpeg_query_style==0)
{
if (OJPEGDecodeRaw(tif,buf,cc)==0)