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 <mich...@niedermayer.cc> --- libavcodec/apedec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index 27425b17e6..7a7097e7a4 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -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; -- 2.22.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
