memory-safety

Amxx · Amxx · commit 0227ab4a8303 · 2025-08-22T14:23:08.000+02:00
diff --git a/contracts/utils/LowLevelCall.sol b/contracts/utils/LowLevelCall.sol
@@ -112,8 +112,9 @@ library LowLevelCall {
     /// @dev Revert with the return data from the last call.
     function bubbleRevert() internal pure {
         assembly ("memory-safe") {
-            returndatacopy(0, 0, returndatasize())
-            revert(0, returndatasize())
+            let fmp := mload(0x40)
+            returndatacopy(fmp, 0, returndatasize())
+            revert(fmp, returndatasize())
         }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -112,8 +112,9 @@ library LowLevelCall {`
`112`	`112`	`/// @dev Revert with the return data from the last call.`
`113`	`113`	`function bubbleRevert() internal pure {`
`114`	`114`	`assembly ("memory-safe") {`
`115`		`- returndatacopy(0, 0, returndatasize())`
`116`		`- revert(0, returndatasize())`
	`115`	`+ let fmp := mload(0x40)`
	`116`	`+ returndatacopy(fmp, 0, returndatasize())`
	`117`	`+ revert(fmp, returndatasize())`
`117`	`118`	`}`
`118`	`119`	`}`
`119`	`120`