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Fix for out of bounds access (#2105)

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Rounding up the clusters_results size to avoid out of bounds access when
subgroup_size is not a multiple of cluster_size.
This commit is contained in:
tomasz-platek
2024-10-29 17:39:42 +01:00
committed by GitHub
parent dd2454685b
commit 66fd9e4742
1 changed files with 2 additions and 1 deletions
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3
test_conformance/subgroups/test_subgroup_clustered_reduce.cpp
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@@ -103,7 +103,8 @@ template <typename Ty, ArithmeticOp operation> struct RED_CLU
int ii = j * ns;
int n = ii + ns > nw ? nw - ii : ns;
std::vector<Ty> clusters_results;
int clusters_counter = ns / test_params.cluster_size;
int clusters_counter = (ns + test_params.cluster_size - 1)
/ test_params.cluster_size;
clusters_results.resize(clusters_counter);
// Compute target