diff options
| author | Michael Niedermayer <[email protected]> | 2020-10-27 17:21:19 +0100 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2021-09-09 13:53:29 +0200 |
| commit | c07661c8cd9508d4db1ea8cd408ecc078acc7d0b (patch) | |
| tree | 32de9965e2bcc7d2f92d08980cca6badb8cca48b | |
| parent | 8d46937051b282a0fdb49c09ad2a3970d37becbb (diff) | |
avcodec/utils: Check sample rate before use for AV_CODEC_ID_BINKAUDIO_DCT in get_audio_frame_duration()
Fixes: shift exponent 95 is too large for 32-bit type 'int'
Fixes: 26590/clusterfuzz-testcase-minimized-ffmpeg_dem_SMACKER_fuzzer-5120609937522688
Reviewed-by: Peter Ross <[email protected]>
Signed-off-by: Michael Niedermayer <[email protected]>
(cherry picked from commit ec7e0d42884b40ce93b6b5e94de5f7849310f8a0)
Signed-off-by: Michael Niedermayer <[email protected]>
| -rw-r--r-- | libavcodec/utils.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 830bebc8c7..cdd6f9f0b8 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -1592,8 +1592,11 @@ static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba, if (ch > 0) { /* calc from sample rate and channels */ - if (id == AV_CODEC_ID_BINKAUDIO_DCT) + if (id == AV_CODEC_ID_BINKAUDIO_DCT) { + if (sr / 22050 > 22) + return 0; return (480 << (sr / 22050)) / ch; + } } if (id == AV_CODEC_ID_MP3) |