diff options
| author | Michael Niedermayer <[email protected]> | 2021-05-31 21:40:17 +0200 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2021-06-18 20:53:56 +0200 |
| commit | 350bedf7e2892a1201fdfac8260040d8ec4d4c6c (patch) | |
| tree | 1fd3eeb40cbf89966e6b709081f01e775310b404 | |
| parent | 5664263561ecd8e2781432bdf99322c7fa195b00 (diff) | |
avcodec/vc2enc: Check for non negative slice bounds
Fixes: invalid shifts
Fixes: Ticket 8221
Signed-off-by: Michael Niedermayer <[email protected]>
(cherry picked from commit f7862e82686b347eb6a9e64fa7ccdf25d5a76b4b)
Signed-off-by: Michael Niedermayer <[email protected]>
| -rw-r--r-- | libavcodec/vc2enc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/vc2enc.c b/libavcodec/vc2enc.c index 7bd2e4c2ab..295cc21dfa 100644 --- a/libavcodec/vc2enc.c +++ b/libavcodec/vc2enc.c @@ -982,6 +982,8 @@ static av_cold int vc2_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, } s->slice_min_bytes = s->slice_max_bytes - s->slice_max_bytes*(s->tolerance/100.0f); + if (s->slice_min_bytes < 0) + return AVERROR(EINVAL); ret = encode_frame(s, avpkt, frame, aux_data, header_size, s->interlaced); if (ret) |