diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-17 22:24:49 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-09-24 23:58:19 +0300 |
| commit | 08047db178ecef92195127e44aa17e7977aec3db (patch) | |
| tree | b9e7ff512ab2f0f2023753b952d9e75767a84e6e | |
| parent | ca55032020b1b441a493c2f4e2b69ce17d2438d2 (diff) | |
avformat/apm: Use 64bit for bit_rate computation
Fixes: signed integer overflow: -1155522528 * 4 cannot be represented in type 'int'
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_APM_fuzzer-6580670570299392
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 5b23cab5c769d6611a3fe111546d65809046a4d8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/apm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/apm.c b/libavformat/apm.c index baf7d2f941..a3ddc08e83 100644 --- a/libavformat/apm.c +++ b/libavformat/apm.c @@ -148,7 +148,7 @@ static int apm_read_header(AVFormatContext *s) par->codec_id = AV_CODEC_ID_ADPCM_IMA_APM; par->format = AV_SAMPLE_FMT_S16; par->bit_rate = par->ch_layout.nb_channels * - par->sample_rate * + (int64_t)par->sample_rate * par->bits_per_coded_sample; if ((ret = avio_read(s->pb, buf, APM_FILE_EXTRADATA_SIZE)) < 0) |