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[ET][Portable] Check scalar overflow: op_constant_pad_nd #12026

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Merged
merged 2 commits into from
Jun 27, 2025
Merged

[ET][Portable] Check scalar overflow: op_constant_pad_nd #12026

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7e89ade
[ET][Portable] Check scalar overflow: op_constant_pad_nd
manuelcandales Jun 26, 2025
6c6e1cf
Update on "[ET][Portable] Check scalar overflow: op_constant_pad_nd"
manuelcandales Jun 27, 2025
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5 changes: 4 additions & 1 deletion kernels/portable/cpu/op_constant_pad_nd.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -185,7 +185,10 @@ Tensor& constant_pad_nd_out(
ScalarType in_type = in.scalar_type();

ET_SWITCH_REALHBBF16_TYPES(in_type, ctx, "constant_pad_nd.out", CTYPE, [&]() {
const CTYPE value_casted = utils::scalar_to<CTYPE>(value);
auto opt_value_casted =
utils::internal::check_overflow_scalar_cast<CTYPE>(value);
ET_KERNEL_CHECK(ctx, opt_value_casted.has_value(), InvalidArgument, );
auto value_casted = opt_value_casted.value();
constant_pad_nd_out_impl<CTYPE>(in, pad, value_casted, out);
});

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18 changes: 18 additions & 0 deletions kernels/test/op_constant_pad_nd_test.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@
*/

#include <executorch/kernels/test/FunctionHeaderWrapper.h> // Declares the operator
#include <executorch/kernels/test/ScalarOverflowTestMacros.h>
#include <executorch/kernels/test/TestUtil.h>
#include <executorch/kernels/test/supported_features.h>
#include <executorch/runtime/core/exec_aten/exec_aten.h>
Expand Down Expand Up @@ -347,6 +348,21 @@ class OpConstantPadNDOutTest : public OperatorTest {
op_constant_pad_nd_out(self, padding_ref, 7, out);
EXPECT_TENSOR_CLOSE(out, expected);
}

template <ScalarType DTYPE>
void expect_bad_scalar_value_dies(const Scalar& bad_value) {
TensorFactory<DTYPE> tf;
const std::vector<int32_t> sizes = {2, 2};
const std::vector<int32_t> sizes_out = {2, 4};
const std::vector<int64_t> padding = {1, 1};

IntArrayRef padding_ref = IntArrayRef(padding.data(), padding.size());
Tensor self = tf.ones(sizes);
Tensor out = tf.zeros(sizes_out);

ET_EXPECT_KERNEL_FAILURE(
context_, op_constant_pad_nd_out(self, padding_ref, bad_value, out));
}
};

TEST_F(OpConstantPadNDOutTest, TestPadDim2) {
Expand Down Expand Up @@ -465,3 +481,5 @@ TEST_F(OpConstantPadNDOutTest, IncorrectOutputShapeFail) {
ET_EXPECT_KERNEL_FAILURE(
context_, op_constant_pad_nd_out(self, padding_ref, 0, out));
}

GENERATE_SCALAR_OVERFLOW_TESTS(OpConstantPadNDOutTest)
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