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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-02-13 20:56:56 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-05-10 09:55:57 +0200 |
| commit | 5727b1f13f36c4db30d5d0de51640f740edf01e8 (patch) | |
| tree | c9c75eb01307d65ab59340fa2134670d4ba36c18 /libavcodec/dstdec.c | |
| parent | 6dd5da3f8b5a6dad4850e60ba26be0623c9a9bcb (diff) | |
| download | ffmpeg-5727b1f13f36c4db30d5d0de51640f740edf01e8.tar.gz | |
avcodec/dstdec: Check sample rate
Fixes: out of array access
Fixes: 20659/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DST_fuzzer-5735812071424000
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/dstdec.c')
| -rw-r--r-- | libavcodec/dstdec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/dstdec.c b/libavcodec/dstdec.c index 9feca4b085..771887faf9 100644 --- a/libavcodec/dstdec.c +++ b/libavcodec/dstdec.c @@ -86,6 +86,10 @@ static av_cold int decode_init(AVCodecContext *avctx) return AVERROR_PATCHWELCOME; } + if (DST_SAMPLES_PER_FRAME(avctx->sample_rate) & 7) { + return AVERROR_PATCHWELCOME; + } + avctx->sample_fmt = AV_SAMPLE_FMT_FLT; for (i = 0; i < avctx->channels; i++) |