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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-05-31 21:40:17 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-09 13:54:52 +0200 |
| commit | 68765c25cd1534e685477c7bc21dbed5be979a8d (patch) | |
| tree | 2df07aad38e505b332424f26097862c9611a82bd | |
| parent | 97d0d3ae61683b000faa67d1260c4bb33fa42f73 (diff) | |
| download | ffmpeg-68765c25cd1534e685477c7bc21dbed5be979a8d.tar.gz | |
avcodec/vc2enc: Check for non negative slice bounds
Fixes: invalid shifts
Fixes: Ticket 8221
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f7862e82686b347eb6a9e64fa7ccdf25d5a76b4b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -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 d0101e01e4..e83442ed55 100644 --- a/libavcodec/vc2enc.c +++ b/libavcodec/vc2enc.c @@ -981,6 +981,8 @@ 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) |