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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-02-01 19:55:03 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-03-15 22:24:31 +0100 |
| commit | 0f441b9063281d8ef5d4c30b10379d08aad8924f (patch) | |
| tree | 1a9cfbbd3a36dd64fca36704c7d9ee77a6172d25 /libavcodec/utils.c | |
| parent | 712d3ac539f30239b764d8621829dc9dc913da61 (diff) | |
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>
Diffstat (limited to 'libavcodec/utils.c')
| -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 b8a8c0ac2e..66d286565b 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -1797,7 +1797,7 @@ 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; } |