diff mbox series

[FFmpeg-devel,v5,7/9] avformat/wavdec: fix s337m/spdif probing beyond data_end

Message ID 20201019081929.1926-8-nicolas.gaullier@cji.paris
State New
Headers show
Series avformat: wav-s337m support + new probe_stream option | expand

Checks

Context Check Description
andriy/x86_make success Make finished
andriy/x86_make_fate success Make fate finished

Commit Message

Nicolas Gaullier Oct. 19, 2020, 8:19 a.m. UTC 
---
 libavformat/wavdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c
index 5b287680e2..9f48ff067b 100644
--- a/libavformat/wavdec.c
+++ b/libavformat/wavdec.c
@@ -80,7 +80,7 @@  static void set_spdif_s337m(AVFormatContext *s, WAVDemuxContext *wav)
                 ret = AVERROR(ENOMEM);
             } else {
                 int64_t pos = avio_tell(s->pb);
-                len = ret = avio_read(s->pb, buf, len);
+                len = ret = avio_read(s->pb, buf, FFMIN(len, wav->data_end - pos));
                 if (len >= 0) {
                     if (CONFIG_SPDIF_DEMUXER) {
                         ret = ff_spdif_probe(buf, len, &codec);