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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-23 14:50:55 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-23 16:11:27 +0200 |
| commit | fb75ad79cb8a00d42857b252e0049a0bbe90da66 (patch) | |
| tree | 1b44a3746f2e39dd902b0d029cae0faca736b70f | |
| parent | 948b54763b6c851b2a0bec6702cd9c419065fdb6 (diff) | |
| download | ffmpeg-fb75ad79cb8a00d42857b252e0049a0bbe90da66.tar.gz | |
avcodec/celp_filters: Fix runtime error: signed integer overflow: 1892453989 + 381702783 cannot be represented in type 'int'
Fixes: 1766/clusterfuzz-testcase-minimized-6562020075765760
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/celp_filters.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/celp_filters.c b/libavcodec/celp_filters.c index a81fd8831b..fafedd99a3 100644 --- a/libavcodec/celp_filters.c +++ b/libavcodec/celp_filters.c @@ -67,7 +67,7 @@ int ff_celp_lp_synthesis_filter(int16_t *out, const int16_t *filter_coeffs, for (n = 0; n < buffer_length; n++) { int sum = -rounder, sum1; for (i = 1; i <= filter_length; i++) - sum += filter_coeffs[i-1] * out[n-i]; + sum += (unsigned)(filter_coeffs[i-1] * out[n-i]); sum1 = ((-sum >> 12) + in[n]) >> shift; sum = av_clip_int16(sum1); |