Fixes: left shift of negative value -
14671840
Fixes: 16000/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFWAVESYNTH_fuzzer-
5145977817661440
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
default:
return AVERROR(EINVAL);
}
- in->amp0 = (int64_t)a1 << 32;
- in->damp = (((int64_t)a2 << 32) - ((int64_t)a1 << 32)) / dt;
+ in->amp0 = (uint64_t)a1 << 32;
+ in->damp = (int64_t)(((uint64_t)a2 << 32) - ((uint64_t)a1 << 32)) / dt;
}
if (edata != edata_end)
return AVERROR(EINVAL);