diff options
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/lscrdec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/lscrdec.c b/libavcodec/lscrdec.c index f5cfe1fa04..042da84bf9 100644 --- a/libavcodec/lscrdec.c +++ b/libavcodec/lscrdec.c @@ -76,6 +76,10 @@ static int decode_idat(LSCRContext *s, int length) int ret; s->zstream.avail_in = FFMIN(length, bytestream2_get_bytes_left(&s->gb)); s->zstream.next_in = s->gb.buffer; + + if (length <= 0) + return AVERROR_INVALIDDATA; + bytestream2_skip(&s->gb, length); /* decode one line if possible */ |