From: Michael Niedermayer Date: Tue, 9 May 2017 17:45:46 +0000 (+0200) Subject: avcodec/scpr: Fix multiple runtime error: signed integer overflow: 2147483647 + 1... X-Git-Tag: n3.4~1640 X-Git-Url: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff_plain;h=f1a4dd5e480932ee580fb686988599d46bb71637 avcodec/scpr: Fix multiple runtime error: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int' Fixes: 1422/clusterfuzz-testcase-minimized-5030993939398656 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- diff --git a/libavcodec/scpr.c b/libavcodec/scpr.c index 465926af19..ba1f65f2e9 100644 --- a/libavcodec/scpr.c +++ b/libavcodec/scpr.c @@ -161,7 +161,7 @@ static int get_freq(RangeCoder *rc, unsigned total_freq, unsigned *freq) static int decode0(GetByteContext *gb, RangeCoder *rc, unsigned cumFreq, unsigned freq, unsigned total_freq) { - int t; + unsigned t; if (total_freq == 0) return AVERROR_INVALIDDATA;