[FFmpeg-cvslog] avcodec/rawdec: Check the return code of avpicture_get_size()

[Michael Niedermayer]

ffmpeg | branch: release/2.4 | Michael Niedermayer <michaelni at gmx.at> | Wed Nov 26 18:56:39 2014 +0100| [12e064d6c2ae66bd501872ab4fc2033588419f85] | committer: Michael Niedermayer

avcodec/rawdec: Check the return code of avpicture_get_size()

Fixes out of array access
Fixes: asan_heap-oob_22388d0_3435_cov_3297128910_small_roll5_FlashCine1.cine
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit 1d3a3b9f8907625b361420d48fe05716859620ff)

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=12e064d6c2ae66bd501872ab4fc2033588419f85
---

 libavcodec/rawdec.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/rawdec.c b/libavcodec/rawdec.c
index 28792a1..647dfa9 100644
--- a/libavcodec/rawdec.c
+++ b/libavcodec/rawdec.c
@@ -172,6 +172,9 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame,
         context->frame_size = avpicture_get_size(avctx->pix_fmt, avctx->width,
                                                  avctx->height);
     }
+    if (context->frame_size < 0)
+        return context->frame_size;
+
     need_copy = !avpkt->buf || context->is_2_4_bpp || context->is_yuv2 || context->is_lt_16bpp;
 
     frame->pict_type        = AV_PICTURE_TYPE_I;