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-rw-r--r--libavcodec/interplayvideo.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/interplayvideo.c b/libavcodec/interplayvideo.c
index 8d2f3ab48c..df3314d4b7 100644
--- a/libavcodec/interplayvideo.c
+++ b/libavcodec/interplayvideo.c
@@ -928,6 +928,8 @@ static void ipvideo_decode_opcodes(IpvideoContext *s, AVFrame *frame)
init_get_bits(&gb, s->decoding_map, s->decoding_map_size * 8);
for (y = 0; y < s->avctx->height; y += 8) {
for (x = 0; x < s->avctx->width; x += 8) {
+ if (get_bits_left(&gb) < 4)
+ return;
opcode = get_bits(&gb, 4);
ff_tlog(s->avctx,