avcodec/flvdec: make while get_bits loop more robust by checking bits left
authorMichael Niedermayer <michaelni@gmx.at>
Wed, 30 Oct 2013 13:23:30 +0000 (14:23 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Wed, 30 Oct 2013 13:39:31 +0000 (14:39 +0100)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavcodec/flvdec.c

index 3e55aaf..af60dad 100644 (file)
@@ -104,6 +104,8 @@ int ff_flv_decode_picture_header(MpegEncContext *s)
     /* PEI */
     while (get_bits1(&s->gb) != 0) {
         skip_bits(&s->gb, 8);
+        if (get_bits_left(&s->gb) <= 0)
+            return AVERROR_INVALIDDATA;
     }
     s->f_code = 1;