Fix crash when pTargetMD is null (#110651)

github-actions[bot] · thaystg · web-flow · commit 4f2c30f8b28b · 2024-12-16T14:15:37.000-03:00
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
@@ -5662,7 +5662,7 @@ 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
`@@ -5662,7 +5662,7 @@ static bool IsTailCall(const BYTE * ip, ControllerStackInfo* info, TailCallFunct`
`5662`	`5662`
`5663`	`5663`	`if (type == TailCallFunctionType::StoreTailCallArgs)`
`5664`	`5664`	`{`
`5665`		`- return (pTargetMD->IsDynamicMethod() && pTargetMD->AsDynamicMethodDesc()->GetILStubType() == DynamicMethodDesc::StubTailCallStoreArgs);`
	`5665`	`+ return (pTargetMD && pTargetMD->IsDynamicMethod() && pTargetMD->AsDynamicMethodDesc()->GetILStubType() == DynamicMethodDesc::StubTailCallStoreArgs);`
`5666`	`5666`	`}`
`5667`	`5667`
`5668`	`5668`	`if (pTargetMD != pTailCallDispatcherMD)`