From d89fb163c6c9dd2d6f0373dda307007a857aa56a Mon Sep 17 00:00:00 2001
From: berak <px1704@web.de>
Date: Sat, 21 Apr 2018 11:43:05 +0200
Subject: [PATCH] core: add a check for empty input in inRange()

---
 modules/core/src/arithm.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/core/src/arithm.cpp b/modules/core/src/arithm.cpp
index 45721538bb..10f739c0c1 100644
--- a/modules/core/src/arithm.cpp
+++ b/modules/core/src/arithm.cpp
@@ -1752,6 +1752,8 @@ void cv::inRange(InputArray _src, InputArray _lowerb,
 {
     CV_INSTRUMENT_REGION()
 
+    CV_Assert(! _src.empty());
+
     CV_OCL_RUN(_src.dims() <= 2 && _lowerb.dims() <= 2 &&
                _upperb.dims() <= 2 && OCL_PERFORMANCE_CHECK(_dst.isUMat()),
                ocl_inRange(_src, _lowerb, _upperb, _dst))