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[ET-VK][ez] Fix underflow error in calculate_dim_order() #5498

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[ET-VK][ez] Fix underflow error in calculate_dim_order() #5498

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3 changes: 2 additions & 1 deletion backends/vulkan/runtime/api/containers/Tensor.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,8 @@ std::vector<int64_t> calculate_dim_order(
return {0};
}
std::vector<int64_t> dim_order(ndim);
int64_t last_dim = ndim - 1 - packed_dim;
// Explicitly convert ndim to signed to prevent underflow
int64_t last_dim = int64_t(ndim) - 1 - packed_dim;

int64_t cur_dim = 0;
for (int d = 0; d < ndim; ++d) {
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