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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-02-01 19:55:03 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-10 16:04:26 +0200 |
| commit | bb8db0639e017b66a981e6b3cd868c25e7ee2d70 (patch) | |
| tree | 94a6a1397d36733d87f3ebeca218c9b8268d73a3 | |
| parent | 8c683b707ea85484b80ec044907aabd35a029293 (diff) | |
| download | ffmpeg-bb8db0639e017b66a981e6b3cd868c25e7ee2d70.tar.gz | |
avcodec/utils: Use more bits for intermediate for AV_CODEC_ID_ADPCM_MS
Fixes: signed integer overflow: 1172577312 * 2 cannot be represented in type 'int'
Fixes: 29924/clusterfuzz-testcase-minimized-ffmpeg_dem_BOA_fuzzer-4882912874594304
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0f441b9063281d8ef5d4c30b10379d08aad8924f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/utils.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index b11d90b2bf..47a76ef6d0 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -1712,7 +1712,7 @@ static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba, case AV_CODEC_ID_ADPCM_IMA_RAD: return blocks * ((ba - 4 * ch) * 2 / ch); case AV_CODEC_ID_ADPCM_MS: - return blocks * (2 + (ba - 7 * ch) * 2 / ch); + return blocks * (2 + (ba - 7 * ch) * 2LL / ch); case AV_CODEC_ID_ADPCM_MTAF: return blocks * (ba - 16) * 2 / ch; } |