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author | Nicolas Pena <npm@chromium.org> | 2017-03-30 14:32:05 -0400 |
---|---|---|
committer | Chromium commit bot <commit-bot@chromium.org> | 2017-03-30 18:54:58 +0000 |
commit | 1c5e98c6fdd664eda5e6d04835e55125a2117970 (patch) | |
tree | b302ad49bc724217c327213b8acdd20ed9229e2a /third_party/libtiff/tif_ojpeg.c | |
parent | bccf573b72c76597f6b1f1e99e8db4e1cc759843 (diff) | |
download | pdfium-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.c | 8 |
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) |