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Fix stack buffer overflow in resize_tensor #15626

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Merged
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Nov 12, 2025
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Fix stack buffer overflow in resize_tensor #15626

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6 changes: 6 additions & 0 deletions runtime/core/exec_aten/util/tensor_util.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1212,6 +1212,12 @@ ET_NODISCARD inline Error resize_tensor(
std::array<executorch::aten::SizesType, kTensorDimensionLimit>
new_sizes_casted{};
size_t new_sizes_ndim = new_sizes.size();
ET_CHECK_OR_RETURN_ERROR(
new_sizes_ndim <= kTensorDimensionLimit,
InvalidArgument,
"new_sizes_ndim %zu is greater than kTensorDimensionLimit %zu",
new_sizes_ndim,
kTensorDimensionLimit);
for (const auto i : c10::irange(new_sizes_ndim)) {
new_sizes_casted[i] =
static_cast<executorch::aten::SizesType>(new_sizes[i]);
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