avcodec/pafvideo: Fix assertion failure

Fixes: 2100/clusterfuzz-testcase-minimized-4522961547558912

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-06-06 16:21:37 +02:00
parent e4efd41b83
commit c4360559ee

View File

@ -273,7 +273,7 @@ static int paf_video_decode(AVCodecContext *avctx, void *data,
bytestream2_init(&c->gb, pkt->data, pkt->size);
code = bytestream2_get_byte(&c->gb);
if ((code & 0xF) > 4) {
if ((code & 0xF) > 4 || (code & 0xF) == 3) {
avpriv_request_sample(avctx, "unknown/invalid code");
return AVERROR_INVALIDDATA;
}