From e45226adc46e513a1bb39ec2b09fb7c77515ab14 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 16 May 2017 03:04:26 +0200 Subject: [PATCH] avcodec/truemotion1: Fix multiple runtime error: signed integer overflow: 1246906962 * 2 cannot be represented in type 'int' Fixes: 1616/clusterfuzz-testcase-minimized-5119196578971648 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/truemotion1.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/truemotion1.c b/libavcodec/truemotion1.c index 57694cb892..e1824384c5 100644 --- a/libavcodec/truemotion1.c +++ b/libavcodec/truemotion1.c @@ -180,7 +180,7 @@ static int make_ydt15_entry(int p1, int p2, int16_t *ydt) lo += (lo * 32) + (lo * 1024); hi = ydt[p2]; hi += (hi * 32) + (hi * 1024); - return (lo + (hi * (1 << 16))) * 2; + return (lo + (hi * (1U << 16))) * 2; } static int make_cdt15_entry(int p1, int p2, int16_t *cdt) @@ -190,7 +190,7 @@ static int make_cdt15_entry(int p1, int p2, int16_t *cdt) b = cdt[p2]; r = cdt[p1] * 1024; lo = b + r; - return (lo + (lo * (1 << 16))) * 2; + return (lo + (lo * (1U << 16))) * 2; } #if HAVE_BIGENDIAN