ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Jul 29 13:34:50 2015 +0200| [f40ec70478648c1e6cde43b8577c3c29380372ee] | committer: Michael Niedermayer
avformat/wavdec: Check for data_size overflow Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f40ec70478648c1e6cde43b8577c3c29380372ee --- libavformat/wavdec.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c index db42f59..1803b5c 100644 --- a/libavformat/wavdec.c +++ b/libavformat/wavdec.c @@ -429,6 +429,11 @@ break_loop: avio_seek(pb, data_ofs, SEEK_SET); + if (data_size > (INT64_MAX>>3)) { + av_log(s, AV_LOG_WARNING, "Data size %"PRId64" is too large\n", data_size); + data_size = 0; + } + if ( data_size > 0 && sample_count && st->codec->channels && (data_size << 3) / sample_count / st->codec->channels > st->codec->bits_per_coded_sample) { av_log(s, AV_LOG_WARNING, "ignoring wrong sample_count %"PRId64"\n", sample_count); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
