src: guard against overflow in ParseArrayIndex()

src: guard against overflow in ParseArrayIndex() · nodejs/node@630096b

Original file line number	Diff line number	Diff line change
`@@ -1462,6 +1462,13 @@ assert.throws(function() {`
`1462`	`1462`	`Buffer.from(new ArrayBuffer(0), -1 >>> 0);`
`1463`	`1463`	`}, /RangeError: 'offset' is out of bounds/);`
`1464`	`1464`
	`1465`	`+// ParseArrayIndex() should reject values that don't fit in a 32 bits size_t.`
	`1466`	`+assert.throws(() => {`
	`1467`	`+const a = Buffer(1).fill(0);`
	`1468`	`+const b = Buffer(1).fill(0);`
	`1469`	`+a.copy(b, 0, 0x100000000, 0x100000001);`
	`1470`	`+}), /out of range index/;`
	`1471`	`+`
`1465`	`1472`	`// Unpooled buffer (replaces SlowBuffer)`
`1466`	`1473`	`const ubuf = Buffer.allocUnsafeSlow(10);`
`1467`	`1474`	`assert(ubuf);`