Commit: 9c412b6e2d4d5ae3c0cbd4a8d0249a3c12c6bd65
Author: Sergey Sharybin
Date: Wed Oct 13 10:06:30 2021 +0200
Branches: master
https://developer.blender.org/rB9c412b6e2d4d5ae3c0cbd4a8d0249a3c12c6bd65
Fix possible integer overflow in Cycles baking
Ensure math happens on size_t type instead of int followed by a cast
to the size_t.
===================================================================
M intern/cycles/integrator/pass_accessor.cpp
===================================================================
diff --git a/intern/cycles/integrator/pass_accessor.cpp
b/intern/cycles/integrator/pass_accessor.cpp
index 4f76f1fa9df..4a0b1ed6ece 100644
--- a/intern/cycles/integrator/pass_accessor.cpp
+++ b/intern/cycles/integrator/pass_accessor.cpp
@@ -96,7 +96,7 @@ static void pad_pixels(const BufferParams &buffer_params,
return;
}
- const size_t size = buffer_params.width * buffer_params.height;
+ const size_t size = static_cast<size_t>(buffer_params.width) *
buffer_params.height;
if (destination.pixels) {
float *pixel = destination.pixels;
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