From 8ae5d2cbb254e9e967184b2aad6fa43fe2780eaf Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 18 Aug 2019 00:36:17 +0200 Subject: [PATCH] vcodec/apedec: Fix integer overflow in filter_3800() Fixes: signed integer overflow: 2021654528 + 2032575680 cannot be represented in type 'int' Fixes: 16270/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5732438816325632 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/apedec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index 5d82ff53ff..490b11b94e 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -842,7 +842,7 @@ static av_always_inline int filter_fast_3320(APEPredictor *p, } static av_always_inline int filter_3800(APEPredictor *p, - const int decoded, const int filter, + const unsigned decoded, const int filter, const int delayA, const int delayB, const int start, const int shift) {