diff options
Diffstat (limited to 'gst-libs/ext/libav/libavcodec/flacdec.c')
-rw-r--r-- | gst-libs/ext/libav/libavcodec/flacdec.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gst-libs/ext/libav/libavcodec/flacdec.c b/gst-libs/ext/libav/libavcodec/flacdec.c index 58eb66d..440a55d 100644 --- a/gst-libs/ext/libav/libavcodec/flacdec.c +++ b/gst-libs/ext/libav/libavcodec/flacdec.c @@ -422,7 +422,16 @@ static inline int decode_subframe(FLACContext *s, int channel) type = get_bits(&s->gb, 6); if (get_bits1(&s->gb)) { + int left = get_bits_left(&s->gb); wasted = 1; + if ( left < 0 || + (left < s->curr_bps && !show_bits_long(&s->gb, left)) || + !show_bits_long(&s->gb, s->curr_bps)) { + av_log(s->avctx, AV_LOG_ERROR, + "Invalid number of wasted bits > available bits (%d) - left=%d\n", + s->curr_bps, left); + return AVERROR_INVALIDDATA; + } while (!get_bits1(&s->gb)) wasted++; s->curr_bps -= wasted; |