Fixes: signed integer overflow: -2147483648 * -1 cannot be represented in type 'int'
Fixes: 18643/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5672182449700864
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
val = d - pred[j];
sign = sign_only(val) * error_sign;
lpc_coefs[j] -= sign;
- val *= sign;
+ val *= (unsigned)sign;
error_val -= (val >> lpc_quant) * (j + 1);
}
}