@@ -433,8 +433,8 @@ static inline int wv_unpack_stereo(WavpackFrameContext *s, GetBitContext *gb,
L2 = L + ((s->decorr[i].weightA * (int64_t)A + 512) >> 10);
R2 = R + ((s->decorr[i].weightB * (int64_t)B + 512) >> 10);
} else {
- L2 = L + ((int)(s->decorr[i].weightA * A + 512U) >> 10);
- R2 = R + ((int)(s->decorr[i].weightB * B + 512U) >> 10);
+ L2 = L + ((int)(s->decorr[i].weightA * (unsigned)A + 512) >> 10);
+ R2 = R + ((int)(s->decorr[i].weightB * (unsigned)B + 512) >> 10);
}
if (A && L)
s->decorr[i].weightA -= ((((L ^ A) >> 30) & 2) - 1) * s->decorr[i].delta;
@@ -446,13 +446,13 @@ static inline int wv_unpack_stereo(WavpackFrameContext *s, GetBitContext *gb,
if (type != AV_SAMPLE_FMT_S16P)
L2 = L + ((s->decorr[i].weightA * (int64_t)s->decorr[i].samplesA[0] + 512) >> 10);
else
- L2 = L + ((s->decorr[i].weightA * s->decorr[i].samplesA[0] + 512) >> 10);
+ L2 = L + ((int)(s->decorr[i].weightA * (unsigned)s->decorr[i].samplesA[0] + 512) >> 10);
UPDATE_WEIGHT_CLIP(s->decorr[i].weightA, s->decorr[i].delta, s->decorr[i].samplesA[0], L);
L = L2;
if (type != AV_SAMPLE_FMT_S16P)
R2 = R + ((s->decorr[i].weightB * (int64_t)L2 + 512) >> 10);
else
- R2 = R + ((s->decorr[i].weightB * L2 + 512) >> 10);
+ R2 = R + ((int)(s->decorr[i].weightB * (unsigned)L2 + 512) >> 10);
UPDATE_WEIGHT_CLIP(s->decorr[i].weightB, s->decorr[i].delta, L2, R);
R = R2;
s->decorr[i].samplesA[0] = R;
@@ -460,7 +460,7 @@ static inline int wv_unpack_stereo(WavpackFrameContext *s, GetBitContext *gb,
if (type != AV_SAMPLE_FMT_S16P)
R2 = R + ((s->decorr[i].weightB * (int64_t)s->decorr[i].samplesB[0] + 512) >> 10);
else
- R2 = R + ((s->decorr[i].weightB * s->decorr[i].samplesB[0] + 512) >> 10);
+ R2 = R + ((int)(s->decorr[i].weightB * (unsigned)s->decorr[i].samplesB[0] + 512) >> 10);
UPDATE_WEIGHT_CLIP(s->decorr[i].weightB, s->decorr[i].delta, s->decorr[i].samplesB[0], R);
R = R2;
@@ -472,7 +472,7 @@ static inline int wv_unpack_stereo(WavpackFrameContext *s, GetBitContext *gb,
if (type != AV_SAMPLE_FMT_S16P)
L2 = L + ((s->decorr[i].weightA * (int64_t)R2 + 512) >> 10);
else
- L2 = L + ((s->decorr[i].weightA * R2 + 512) >> 10);
+ L2 = L + ((int)(s->decorr[i].weightA * (unsigned)R2 + 512) >> 10);
UPDATE_WEIGHT_CLIP(s->decorr[i].weightA, s->decorr[i].delta, R2, L);
L = L2;
s->decorr[i].samplesB[0] = L;
Fixes: 1659/clusterfuzz-testcase-minimized-5396490639900672 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/wavpack.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)