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Explicitly turn uninitialized internal function pointers into invalid function when loaded from storage.

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This commit is contained in:
chriseth
2019-05-27 17:26:37 +02:00
parent b836079006
commit 5b1a984882
3 changed files with 41 additions and 0 deletions
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test/libsolidity/SolidityEndToEndTest.cpp
+34
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@@ -15683,6 +15683,40 @@ BOOST_AUTO_TEST_CASE(event_wrong_abi_name)
BOOST_CHECK_EQUAL(m_logs[0].topics[0], dev::keccak256(string("Deposit(address,bytes32,uint256)")));
}
BOOST_AUTO_TEST_CASE(uninitialized_internal_storage_function)
{
char const* sourceCode = R"(
contract Test {
function() internal x;
function f() public returns (uint r) {
function() internal t = x;
assembly { r := t }
}
}
)";
compileAndRun(sourceCode, 0, "Test");
bytes result = callContractFunction("f()");
BOOST_CHECK(!result.empty());
BOOST_CHECK(result != encodeArgs(0));
}
BOOST_AUTO_TEST_CASE(uninitialized_internal_storage_function_call)
{
char const* sourceCode = R"(
contract Test {
function() internal x;
function f() public returns (uint r) {
x();
return 2;
}
}
)";
compileAndRun(sourceCode, 0, "Test");
ABI_CHECK(callContractFunction("f()"), bytes{});
}
BOOST_AUTO_TEST_SUITE_END()
}