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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-12-11 22:37:07 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-12-24 02:55:52 +0100 |
| commit | 93270930798da368d5b1954a73ef7ff9dfa48f73 (patch) | |
| tree | 956231618eddcbec2eaab5232d8ba0de60349c12 /libavcodec/utils.c | |
| parent | 361d24e6d920e4f7e4e5fa1fd6fbb6922bff35f2 (diff) | |
| download | ffmpeg-93270930798da368d5b1954a73ef7ff9dfa48f73.tar.gz | |
avcodec/utils: Fix block align overflow for ADPCM_IMA_WAV
Fixes: signed integer overflow: 529008646 * 8 cannot be represented in type 'int'
Fixes: 383379145/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6674045107503104
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 2c478ede13..dd846b4ae9 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -729,7 +729,7 @@ static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba, case AV_CODEC_ID_ADPCM_IMA_WAV: if (bps < 2 || bps > 5) return 0; - tmp = blocks * (1LL + (ba - 4 * ch) / (bps * ch) * 8); + tmp = blocks * (1LL + (ba - 4 * ch) / (bps * ch) * 8LL); break; case AV_CODEC_ID_ADPCM_IMA_DK3: tmp = blocks * (((ba - 16LL) * 2 / 3 * 4) / ch); |