Fixes: signed integer overflow: -1094995529 * 24 cannot be represented in type 'int' Fixes: 44436/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SONIC_fuzzer-4874459459223552
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/sonic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/sonic.c b/libavcodec/sonic.c index cf1cfb1460..0d539e8879 100644 --- a/libavcodec/sonic.c +++ b/libavcodec/sonic.c @@ -1004,7 +1004,7 @@ static int sonic_decode_frame(AVCodecContext *avctx, // dequantize for (i = 0; i < s->num_taps; i++) - s->predictor_k[i] *= s->tap_quant[i]; + s->predictor_k[i] *= (unsigned) s->tap_quant[i]; if (s->lossless) quant = 1; -- 2.17.1 _______________________________________________ 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".
