From f40ec70478648c1e6cde43b8577c3c29380372ee Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 29 Jul 2015 13:34:50 +0200 Subject: [PATCH] avformat/wavdec: Check for data_size overflow Signed-off-by: Michael Niedermayer --- libavformat/wavdec.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c index db42f59826e..1803b5cdafe 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); -- 2.39.5