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LibJS: Add overflow checks when creating TypedArray from ArrayBuffer

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Thanks to Iliad for finding this! :^)
This commit is contained in:
Andreas Kling 2021-01-27 07:50:46 +01:00
parent c899ace3ad
commit f6c6047e49
2 changed files with 28 additions and 7 deletions
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5
Userland/Libraries/LibJS/Tests/builtins/TypedArray/typed-array-from-ArrayBuffer-bad-offset.js Normal file
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@ -0,0 +1,5 @@
test("construct Uint32Array with zero-length ArrayBuffer and overflowing offset", () => {
expect(() => new Uint32Array(new ArrayBuffer(0), 4, 1024 * 1024 * 1024 - 1)).toThrow(
RangeError
);
});