pmpdec: fix integer overflow
authorMichael Niedermayer <michaelni@gmx.at>
Sun, 24 Feb 2013 21:53:58 +0000 (22:53 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Mon, 25 Feb 2013 17:36:21 +0000 (18:36 +0100)
Its unlikely this affects any valid files.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavformat/pmpdec.c

index 06b2271..3b8c5f7 100644 (file)
@@ -93,7 +93,7 @@ static int pmp_header(AVFormatContext *s)
     avio_skip(pb, 10);
     srate = avio_rl32(pb);
     channels = avio_rl32(pb) + 1;
-    pos = avio_tell(pb) + 4*index_cnt;
+    pos = avio_tell(pb) + 4LL*index_cnt;
     for (i = 0; i < index_cnt; i++) {
         uint32_t size = avio_rl32(pb);
         int flags = size & 1 ? AVINDEX_KEYFRAME : 0;