avcodec/shorten: Check residual size

Fixes assertion failure Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
8 years ago · df8575584d
parent 1283c42447
commit df8575584d
1 changed files with 4 additions and 0 deletions
--- a/libavcodec/shorten.c
+++ b/libavcodec/shorten.c
@ -661,6 +661,10 @@ static int shorten_decode_frame(AVCodecContext *avctx, void *data,
                 * of get_sr_golomb_shorten(). */
                if (s->version == 0)
                    residual_size--;
+                if (residual_size > 30U) {
+                    av_log(avctx, AV_LOG_ERROR, "residual size unsupportd: %d\n", residual_size);
+                    return AVERROR_INVALIDDATA;
+                }
            }

            /* calculate sample offset using means from previous blocks */