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| author | Zhong Li <zhongli_dev@126.com> | 2019-12-23 17:14:09 +0300 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2019-12-23 22:14:42 +0300 |
| commit | 5dc527f9cad2912069dcc9dc6c05bcf9bf05eb87 (patch) | |
| tree | 6ddf1ef3c0a6f0680d12acd17e3cb493a20a0a6c /libavcodec/midivid.c | |
| parent | 94ad5d0128a5896c5bb56a3cef24e8786e6de861 (diff) | |
lavc/midivid: check return value of init_get_bits8()
Fix CID 1456088
Signed-off-by: Zhong Li <zhongli_dev@126.com>
Diffstat (limited to 'libavcodec/midivid.c')
| -rw-r--r-- | libavcodec/midivid.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/midivid.c b/libavcodec/midivid.c index 38465c5fbc..bb5105bd57 100644 --- a/libavcodec/midivid.c +++ b/libavcodec/midivid.c @@ -63,7 +63,7 @@ static int decode_mvdv(MidiVidContext *s, AVCodecContext *avctx, AVFrame *frame) if (intra_flag) { nb_blocks = (avctx->width / 2) * (avctx->height / 2); } else { - int skip_linesize; + int ret, skip_linesize; nb_blocks = bytestream2_get_le32(gb); skip_linesize = avctx->width >> 1; @@ -73,7 +73,9 @@ static int decode_mvdv(MidiVidContext *s, AVCodecContext *avctx, AVFrame *frame) if (bytestream2_get_bytes_left(gb) < mask_size) return AVERROR_INVALIDDATA; - init_get_bits8(&mask, mask_start, mask_size); + ret = init_get_bits8(&mask, mask_start, mask_size); + if (ret < 0) + return ret; bytestream2_skip(gb, mask_size); skip = s->skip; |