ffmpeg | branch: master | Alexandra Hájková <alexandra.khirn...@gmail.com> | Tue Jul 21 10:45:01 2015 +0200| [2a187a074a7f5ad9f01f72ac9715ddfcb2dbb8ec] | committer: Anton Khirnov
asfdec: avoid crash in the case when chunk_len is 0 or pkt_len is 0 Signed-off-by: Anton Khirnov <an...@khirnov.net> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2a187a074a7f5ad9f01f72ac9715ddfcb2dbb8ec --- libavformat/asfdec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c index 6a71be9..6dc34d9 100644 --- a/libavformat/asfdec.c +++ b/libavformat/asfdec.c @@ -776,6 +776,8 @@ static int asf_read_stream_properties(AVFormatContext *s, const GUIDParseTable * asf_st->span = span; asf_st->virtual_pkt_len = avio_rl16(pb); asf_st->virtual_chunk_len = avio_rl16(pb); + if (!asf_st->virtual_chunk_len || !asf_st->virtual_pkt_len) + return AVERROR_INVALIDDATA; avio_skip(pb, err_data_len - 5); } else avio_skip(pb, err_data_len - 1); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
