@@ -1376,7 +1376,7 @@ static void ape_unpack_mono(APEContext *ctx, int count)
static void ape_unpack_stereo(APEContext *ctx, int count)
{
- int32_t left, right;
+ unsigned left, right;
int32_t *decoded0 = ctx->decoded[0];
int32_t *decoded1 = ctx->decoded[1];
@@ -1393,7 +1393,7 @@ static void ape_unpack_stereo(APEContext *ctx, int count)
/* Decorrelate and scale to output depth */
while (count--) {
- left = *decoded1 - (*decoded0 / 2);
+ left = *decoded1 - (unsigned)(*decoded0 / 2);
right = left + *decoded0;
*(decoded0++) = left;
Fixes: signed integer overflow: 755176387 + 1515360583 cannot be represented in type 'int' Fixes: 15506/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5706859232624640 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/apedec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)