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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-06-02 19:56:10 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-06-02 19:56:10 +0200 |
| commit | b3675f890abee0bc446495711223a5c790234672 (patch) | |
| tree | e8e905d2fc9851990b0efdc341821c46956cee89 /libavcodec | |
| parent | 1bf22c3a8faf478255712ea95070d948d7614b8d (diff) | |
| download | ffmpeg-b3675f890abee0bc446495711223a5c790234672.tar.gz | |
bink: fix out of reference frame read
Fixes Ticket1374
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/bink.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/bink.c b/libavcodec/bink.c index 8a9367d07d..4ad2e6fd76 100644 --- a/libavcodec/bink.c +++ b/libavcodec/bink.c @@ -1128,6 +1128,11 @@ static int bink_decode_plane(BinkContext *c, GetBitContext *gb, int plane_idx, xoff = get_value(c, BINK_SRC_X_OFF); yoff = get_value(c, BINK_SRC_Y_OFF); ref = prev + xoff + yoff * stride; + if (ref < ref_start || ref > ref_end) { + av_log(c->avctx, AV_LOG_ERROR, "Copy out of bounds @%d, %d\n", + bx*8 + xoff, by*8 + yoff); + return -1; + } c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8); memset(dctblock, 0, sizeof(*dctblock) * 64); dctblock[0] = get_value(c, BINK_SRC_INTER_DC); |