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fix(il2cpp): validate selected FAT slice identity

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morluto
2026-10-27 12:37:39 +08:00
parent 279fc04095
commit 44310bba32
2 changed files with 19 additions and 10 deletions
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tests/boundary/il2cpp/il2cppBinaryFile.test.ts
+11
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@@ -1226,6 +1226,17 @@ it("checks the observed slice header against the caller-selected FAT architectur
]);
expect(failure(bytes, "amd64").reason).toBe("malformed-container");
});
it.each([1, 0x80000000])(
"checks the complete FAT CPU subtype including capability bits (%i)",
(subtype) => {
const thin = createIl2cppBinaryFixture();
thin.writeUInt32LE(subtype, 8);
const bytes = createUniversalFixture([{ cpu: 0x0100000c, bytes: thin }]);
expect(failure(bytes, "arm64").reason).toBe("malformed-container");
bytes.writeUInt32BE(subtype, 12);
expect(link(bytes, "arm64").method_addresses).toEqual(expectedAddresses);
},
);
it("still validates version 27 type indices when rendered names are unavailable", () => {
const decoded = readIl2cppMetadataForLinking(
createIl2cppMetadataFixture({ version: 27 }).bytes,