[FFmpeg-cvslog] ffplay: Fix invalid array index

Michael Niedermayer git at videolan.org
Wed Aug 3 17:14:28 EEST 2016


ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Wed Aug  3 13:15:14 2016 +0200| [6cd9a8b67a95a136ea15bfe3c3bab6cf5e6d1cc9] | committer: Michael Niedermayer

ffplay: Fix invalid array index

Found-by: Thomas Guilbert <tguilbert at google.com>
Fixes: clusterfuzz_usan-2016-08-02
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6cd9a8b67a95a136ea15bfe3c3bab6cf5e6d1cc9
---

 ffplay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ffplay.c b/ffplay.c
index b0702eb..651e0cf 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -2936,7 +2936,7 @@ static int read_thread(void *arg)
         AVStream *st = ic->streams[i];
         enum AVMediaType type = st->codecpar->codec_type;
         st->discard = AVDISCARD_ALL;
-        if (wanted_stream_spec[type] && st_index[type] == -1)
+        if (type >= 0 && wanted_stream_spec[type] && st_index[type] == -1)
             if (avformat_match_stream_specifier(ic, st, wanted_stream_spec[type]) > 0)
                 st_index[type] = i;
     }



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