[FFmpeg-cvslog] avcodec/cdxl: Fix signed integer overflow: 14243456 * 164 cannot be represented in type 'int'

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Fri May  5 19:26:02 2017 +0200| [1002932a3b16d35c46a08455f76462909eebb5aa] | committer: Michael Niedermayer

avcodec/cdxl: Fix signed integer overflow: 14243456 * 164 cannot be represented in type 'int'

Fixes: 1341/clusterfuzz-testcase-minimized-5441502618583040

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1002932a3b16d35c46a08455f76462909eebb5aa
---

 libavcodec/cdxl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/cdxl.c b/libavcodec/cdxl.c
index c8d66b5845..7a9b41943d 100644
--- a/libavcodec/cdxl.c
+++ b/libavcodec/cdxl.c
@@ -275,7 +275,7 @@ static int cdxl_decode_frame(AVCodecContext *avctx, void *data,
     else
         aligned_width = FFALIGN(c->avctx->width, 16);
     c->padded_bits  = aligned_width - c->avctx->width;
-    if (c->video_size < aligned_width * avctx->height * c->bpp / 8)
+    if (c->video_size < aligned_width * avctx->height * (int64_t)c->bpp / 8)
         return AVERROR_INVALIDDATA;
     if (!encoding && c->palette_size && c->bpp <= 8) {
         avctx->pix_fmt = AV_PIX_FMT_PAL8;