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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-02-02 20:02:55 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-05-19 17:17:36 +0200 |
| commit | f70d5d99ced390ae9e3f423104ff7205e7d0daef (patch) | |
| tree | b9eaec5a908798f798c67cf6089b53fafc45af4e | |
| parent | ed1c60d06bbecc54d85cad695fa83cb7ab2b7161 (diff) | |
| download | ffmpeg-f70d5d99ced390ae9e3f423104ff7205e7d0daef.tar.gz | |
avcodec/audiodsp: Fix integer overflow in scalarproduct_int16_c()
Fixes: signed integer overflow: 2145417478 + 76702564 cannot be represented in type 'int'
Fixes: 20313/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-5734487724130304
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 abb5762e985f4ce34e97c1b2fa6d1108ce8a881f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/audiodsp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/audiodsp.c b/libavcodec/audiodsp.c index 3c7a3a7583..efcb0a8e8a 100644 --- a/libavcodec/audiodsp.c +++ b/libavcodec/audiodsp.c @@ -79,7 +79,7 @@ static void vector_clipf_c(float *dst, const float *src, int len, static int32_t scalarproduct_int16_c(const int16_t *v1, const int16_t *v2, int order) { - int res = 0; + unsigned res = 0; while (order--) res += *v1++ **v2++; |