webrtc contains explicit code to ignore the undefined behavior (RTC_NO_SANITIZE / OverflowingAddS32S32ToS32())
Probably fixes: Integer overflow (unreproducable here)
Probably fixes: 12215/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ILBC_fuzzer-
5767142427852800
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
for (j = 0; j < veclen; j++) {
a32 = SPL_MUL_16_16(*gainPtr++, cbvec0[j]);
a32 += SPL_MUL_16_16(*gainPtr++, cbvec1[j]);
- a32 += SPL_MUL_16_16(*gainPtr, cbvec2[j]);
+ a32 += (unsigned)SPL_MUL_16_16(*gainPtr, cbvec2[j]);
gainPtr -= 2;
decvector[j] = (a32 + 8192) >> 14;
}