ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Sat Apr 30 17:50:22 2016 +0200| [d171cd076f611b70a9d2e08bc261b470affcb932] | committer: Paul B Mahol
avformat/dsfdec: check if number of channels is <= 0 Fixes FPE bellow. Signed-off-by: Paul B Mahol <one...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d171cd076f611b70a9d2e08bc261b470affcb932 --- libavformat/dsfdec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/dsfdec.c b/libavformat/dsfdec.c index beb2fbf..a8c78e4 100644 --- a/libavformat/dsfdec.c +++ b/libavformat/dsfdec.c @@ -107,6 +107,9 @@ static int dsf_read_header(AVFormatContext *s) st->codecpar->channels = avio_rl32(pb); st->codecpar->sample_rate = avio_rl32(pb) / 8; + if (st->codecpar->channels <= 0) + return AVERROR_INVALIDDATA; + switch(avio_rl32(pb)) { case 1: st->codecpar->codec_id = AV_CODEC_ID_DSD_LSBF_PLANAR; break; case 8: st->codecpar->codec_id = AV_CODEC_ID_DSD_MSBF_PLANAR; break; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
