[mono] MarshalingPInvokeScanner tolerates DLLs without metadata (#89430)

* Acquire MetadataReader under try. * Logging failed metadata access. * Update src/tasks/MonoTargetsTasks/MarshalingPInvokeScanner/MarshalingPInvokeScanner.cs Co-authored-by: Theodore Tsirpanis <teo@tsirpanis.gr> --------- Co-authored-by: Theodore Tsirpanis <teo@tsirpanis.gr>
dotnet · Jul 26, 2023 · ef3fd85 · ef3fd85
1 parent ed12a81
commit ef3fd85
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/tasks/MonoTargetsTasks/MarshalingPInvokeScanner/MarshalingPInvokeScanner.cs b/src/tasks/MonoTargetsTasks/MarshalingPInvokeScanner/MarshalingPInvokeScanner.cs
@@ -106,6 +106,10 @@ private bool IsAssemblyIncompatible(string assyPath, MinimalMarshalingTypeCompat
         {
             using FileStream file = new FileStream(assyPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
             using PEReader peReader = new PEReader(file);
+            if (!peReader.HasMetadata)
+            {
+                return false;
+            }
             MetadataReader mdtReader = peReader.GetMetadataReader();
 
             foreach(CustomAttributeHandle attrHandle in mdtReader.CustomAttributes)