Fix crash when pTargetMD is null (#110652)

github-actions[bot] · thaystg · web-flow · commit 51fd1e2a44e5 · 2024-12-13T14:55:59.000-03:00
Co-authored-by: Thays Grazia &lt;thaystg@gmail.com&gt;
diff --git a/src/coreclr/debug/ee/controller.cpp b/src/coreclr/debug/ee/controller.cpp
@@ -5657,7 +5657,7 @@ static bool IsTailCall(const BYTE * ip, ControllerStackInfo* info, TailCallFunct
 
     if (type == TailCallFunctionType::StoreTailCallArgs)
     {
-        return (pTargetMD->IsDynamicMethod() && pTargetMD->AsDynamicMethodDesc()->GetILStubType() == DynamicMethodDesc::StubTailCallStoreArgs);
+        return (pTargetMD && pTargetMD->IsDynamicMethod() && pTargetMD->AsDynamicMethodDesc()->GetILStubType() == DynamicMethodDesc::StubTailCallStoreArgs);
     }
 
     if (pTargetMD != pTailCallDispatcherMD)

Original file line number	Diff line number	Diff line change
`@@ -5657,7 +5657,7 @@ static bool IsTailCall(const BYTE * ip, ControllerStackInfo* info, TailCallFunct`
`5657`	`5657`
`5658`	`5658`	`if (type == TailCallFunctionType::StoreTailCallArgs)`
`5659`	`5659`	`{`
`5660`		`- return (pTargetMD->IsDynamicMethod() && pTargetMD->AsDynamicMethodDesc()->GetILStubType() == DynamicMethodDesc::StubTailCallStoreArgs);`
	`5660`	`+ return (pTargetMD && pTargetMD->IsDynamicMethod() && pTargetMD->AsDynamicMethodDesc()->GetILStubType() == DynamicMethodDesc::StubTailCallStoreArgs);`
`5661`	`5661`	`}`
`5662`	`5662`
`5663`	`5663`	`if (pTargetMD != pTailCallDispatcherMD)`