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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-08-26 02:26:24 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-09-03 00:01:32 +0200 |
| commit | 93a203662f6ff1bb9fd2e966bf7df27e9bdb1916 (patch) | |
| tree | bac7dd16fb1fc757a434ca2ea8b8491a3e918bf7 | |
| parent | 7592e88bfe3d5bf9109a55acd025af9110618405 (diff) | |
| download | ffmpeg-93a203662f6ff1bb9fd2e966bf7df27e9bdb1916.tar.gz | |
avcodec/ra144: Fix undefined integer overflow in add_wav()
Fixes: signed integer overflow: -26884 * 91439 cannot be represented in type 'int'
Fixes: 9687/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-4995588121690112
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/ra144.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c index cf8127c236..573703d70b 100644 --- a/libavcodec/ra144.c +++ b/libavcodec/ra144.c @@ -1516,7 +1516,7 @@ static void add_wav(int16_t *dest, int n, int skip_first, int *m, if (v[0]) { for (i=0; i < BLOCKSIZE; i++) - dest[i] = (s1[i]*v[0] + s2[i]*v[1] + s3[i]*v[2]) >> 12; + dest[i] = ((int)(s1[i]*(unsigned)v[0]) + s2[i]*v[1] + s3[i]*v[2]) >> 12; } else { for (i=0; i < BLOCKSIZE; i++) dest[i] = ( s2[i]*v[1] + s3[i]*v[2]) >> 12; |