From fe6767f849d9cfe51f422de9d807137d756de7aa Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 31 Jan 2013 03:36:59 +0100 Subject: [PATCH] asfdec: fix integer overflow in packet_replic_size check Fixes assertion failure Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavformat/asfdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c index 5c2cf8b9b0..465d9e5792 100644 --- a/libavformat/asfdec.c +++ b/libavformat/asfdec.c @@ -943,7 +943,7 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb){ av_dlog(asf, "key:%d stream:%d seq:%d offset:%d replic_size:%d\n", asf->packet_key_frame, asf->stream_index, asf->packet_seq, asf->packet_frag_offset, asf->packet_replic_size); - if (rsize+asf->packet_replic_size > asf->packet_size_left) { + if (rsize+(int64_t)asf->packet_replic_size > asf->packet_size_left) { av_log(s, AV_LOG_ERROR, "packet_replic_size %d is invalid\n", asf->packet_replic_size); return AVERROR_INVALIDDATA; }