From 0070b8bafe1365b97ed922bd0ede84de7edd7dc7 Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl>
Date: Thu, 2 Dec 2021 11:45:41 +0100
Subject: Fix potential invalid memory access in par3d_fp with many angles
---
cuda/3d/par3d_fp.cu | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/cuda/3d/par3d_fp.cu b/cuda/3d/par3d_fp.cu
index b2178ec..9475897 100644
--- a/cuda/3d/par3d_fp.cu
+++ b/cuda/3d/par3d_fp.cu
@@ -401,7 +401,7 @@ bool Par3DFP_Array_internal(cudaPitchedPtr D_projData,
const SProjectorParams3D& params)
{
// transfer angles to constant memory
- float* tmp = new float[dims.iProjAngles];
+ float* tmp = new float[angleCount];
#define TRANSFER_TO_CONSTANT(name) do { for (unsigned int i = 0; i < angleCount; ++i) tmp[i] = angles[i].f##name ; cudaMemcpyToSymbol(gC_##name, tmp, angleCount*sizeof(float), 0, cudaMemcpyHostToDevice); } while (0)
@@ -468,7 +468,7 @@ bool Par3DFP_Array_internal(cudaPitchedPtr D_projData,
for (unsigned int a = 0; a <= angleCount; ++a) {
int dir = -1;
- if (a != dims.iProjAngles) {
+ if (a != angleCount) {
float dX = fabsf(angles[a].fRayX);
float dY = fabsf(angles[a].fRayY);
float dZ = fabsf(angles[a].fRayZ);
--
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