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| author | Luca Barbato <lu_zero@gentoo.org> | 2013-06-29 02:16:50 +0200 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2013-06-29 18:11:59 +0200 |
| commit | 02ec656af72030eea4f3d63e30b25625cce6a3df (patch) | |
| tree | 9578d1ddb33b2a8544e83249a60f844a836f7896 | |
| parent | d4a217a408da4bd63acc02cd8f9ebe378a2ad65a (diff) | |
| download | ffmpeg-02ec656af72030eea4f3d63e30b25625cce6a3df.tar.gz | |
wmapro: error out on impossible scale factor offsets
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
| -rw-r--r-- | libavcodec/wmaprodec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c index 302f58a483..d3bd3816fa 100644 --- a/libavcodec/wmaprodec.c +++ b/libavcodec/wmaprodec.c @@ -436,7 +436,8 @@ static av_cold int decode_init(AVCodecContext *avctx) for (x = 0; x < num_possible_block_sizes; x++) { int v = 0; while (s->sfb_offsets[x][v + 1] << x < offset) - ++v; + if (++v >= MAX_BANDS) + return AVERROR_INVALIDDATA; s->sf_offsets[i][x][b] = v; } } |