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Merge pull request #6132 from ethereum/ossfuzz-nullref-typechecker

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TypeChecker: Check if type exists before dereferencing it
This commit is contained in:
chriseth
2019-02-28 16:38:54 +01:00
committed by GitHub
parent 3dee9c50cd 50b4193705
commit ab33ff1408
3 changed files with 26 additions and 7 deletions
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test/libsolidity/syntaxTests/types/var_decl_val_mismatch.sol
+17
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@@ -0,0 +1,17 @@
contract n
{
function()
{
// Used to cause a segfault
var (x,y) = (1);
var (z) = ();
assembly {
mstore(y, z)
}
}
}
// ----
// SyntaxError: (14-129): No visibility specified. Did you intend to add "external"?
// TypeError: (14-129): Fallback function must be defined as "external".
// TypeError: (60-75): Different number of components on the left hand side (2) than on the right hand side (1).
test/libsolidity/syntaxTests/types/var_type_suggest.sol
-7
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@@ -28,10 +28,3 @@ contract C {
// SyntaxError: (360-384): Use of the "var" keyword is disallowed. Use explicit declaration `(uint8 a, string memory b) = ...´ instead.
// SyntaxError: (394-411): Use of the "var" keyword is disallowed. Use explicit declaration `(uint256 x, , uint256 z) = ...´ instead.
// TypeError: (421-438): Different number of components on the left hand side (2) than on the right hand side (1).
// SyntaxError: (421-438): Use of the "var" keyword is disallowed. Type cannot be expressed in syntax.
// TypeError: (448-464): Different number of components on the left hand side (2) than on the right hand side (1).
// SyntaxError: (448-464): Use of the "var" keyword is disallowed. Type cannot be expressed in syntax.
// TypeError: (474-488): Different number of components on the left hand side (2) than on the right hand side (1).
// SyntaxError: (474-488): Use of the "var" keyword is disallowed. Type cannot be expressed in syntax.
// TypeError: (498-513): Different number of components on the left hand side (2) than on the right hand side (1).
// SyntaxError: (498-513): Use of the "var" keyword is disallowed. Type cannot be expressed in syntax.