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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-10-11 00:40:07 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-10-17 18:04:37 +0200 |
| commit | 2fca09bce49c7de590560d9517fd2414b6c0c14f (patch) | |
| tree | ca1f7324b3c7825716bd48e6db48e4bf61d0d394 | |
| parent | b288a7eb3d963a175e177b6219c8271076ee8590 (diff) | |
| download | ffmpeg-2fca09bce49c7de590560d9517fd2414b6c0c14f.tar.gz | |
avcodec/binkaudio: Check sample rate
Fixes: signed integer overflow: 1092624416 * 2 cannot be represented in type 'int'
Fixes: 18045/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BINKAUDIO_RDFT_fuzzer-5718519492116480
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/binkaudio.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/binkaudio.c b/libavcodec/binkaudio.c index 96cf968c66..2384ebf312 100644 --- a/libavcodec/binkaudio.c +++ b/libavcodec/binkaudio.c @@ -95,6 +95,8 @@ static av_cold int decode_init(AVCodecContext *avctx) if (avctx->codec->id == AV_CODEC_ID_BINKAUDIO_RDFT) { // audio is already interleaved for the RDFT format variant avctx->sample_fmt = AV_SAMPLE_FMT_FLT; + if (sample_rate > INT_MAX / avctx->channels) + return AVERROR_INVALIDDATA; sample_rate *= avctx->channels; s->channels = 1; if (!s->version_b) |