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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-06-18 21:00:03 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-06-23 02:06:45 +0200 |
| commit | a4bf559683a999c8faa408fdd8f29bd28a6a47ea (patch) | |
| tree | d7870f9328e8e64c42ba916d24ba7ea3b4ae91b4 | |
| parent | 25ce1c8333337ca27cd0ca54da2179f122a0dc83 (diff) | |
| download | ffmpeg-a4bf559683a999c8faa408fdd8f29bd28a6a47ea.tar.gz | |
avcodec/utils: fix 2 integer overflows in get_audio_frame_duration()
Fixes: signed integer overflow: 256 * 668003712 cannot be represented in type 'int'
Fixes: 59819/clusterfuzz-testcase-minimized-ffmpeg_dem_MATROSKA_fuzzer-4674636538052608
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/utils.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index a8514ba6c1..672eb15d98 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -641,9 +641,9 @@ static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba, if (sr > 0) { /* calc from sample rate */ if (id == AV_CODEC_ID_TTA) - return 256 * sr / 245; + return 256ll * sr / 245; else if (id == AV_CODEC_ID_DST) - return 588 * sr / 44100; + return 588ll * sr / 44100; else if (id == AV_CODEC_ID_BINKAUDIO_DCT) { if (sr / 22050 > 22) return 0; |