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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-02-13 20:56:56 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-07-03 12:10:24 +0200 |
| commit | f65d68abd966f4c59f31cdcf042cef2c98a619a9 (patch) | |
| tree | 47506a9256643f26216fe7b24ea7fd42642890d3 /libavcodec/dstdec.c | |
| parent | 5cdbb2a977964f879cd059c903cee611b8fbcc6f (diff) | |
| download | ffmpeg-f65d68abd966f4c59f31cdcf042cef2c98a619a9.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>
(cherry picked from commit 5727b1f13f36c4db30d5d0de51640f740edf01e8)
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 b70e0d27ec..d8f80bd114 100644 --- a/libavcodec/dstdec.c +++ b/libavcodec/dstdec.c @@ -85,6 +85,10 @@ 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++) |