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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-09-22 20:31:58 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-09-24 15:37:18 +0200 |
| commit | 050b5e85cbe61414ba9b78f76a04b2488e816f42 (patch) | |
| tree | 22a5a7206129a53bee8e42d27bb37b6b04636fad | |
| parent | 6190e826471fd9d3a66685000b5b3e4d8b163013 (diff) | |
| download | ffmpeg-050b5e85cbe61414ba9b78f76a04b2488e816f42.tar.gz | |
avcodec/svq3: Check for minimum size input
Fixes: Timeout
Fixes: 71295/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SVQ3_fuzzer-4999941125111808
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/svq3.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c index ce4c58e14f..f730358e2f 100644 --- a/libavcodec/svq3.c +++ b/libavcodec/svq3.c @@ -1400,6 +1400,9 @@ static int svq3_decode_frame(AVCodecContext *avctx, AVFrame *rframe, if (svq3_decode_slice_header(avctx)) return -1; + if (avpkt->size < s->mb_width * s->mb_height / 8) + return AVERROR_INVALIDDATA; + s->pict_type = s->slice_type; if (s->pict_type != AV_PICTURE_TYPE_B) |