[sdb] Error out when trying to obtain objects from unloaded domains, we have to check domain->state as well since the object references become invalid before we received the domain unloaded profiler event. Fixes #44381.

2 files changed, 14 insertions, 0 deletions

diff --git a/mcs/class/Mono.Debugger.Soft/Test/dtest-app.cs b/mcs/class/Mono.Debugger.Soft/Test/dtest-app.cs
index ac3b91b9247..16e35d301e1 100644
--- a/mcs/class/Mono.Debugger.Soft/Test/dtest-app.cs
+++ b/mcs/class/Mono.Debugger.Soft/Test/dtest-app.cs
@@ -1322,6 +1322,8 @@ public class Tests : TestsBase, ITest2
 
 		o.invoke_2 ();
 
+		o.assembly_load ();
+
 		AppDomain.Unload (domain);
 
 		domains_3 ();
@@ -1354,6 +1356,11 @@ public class Tests : TestsBase, ITest2
 	}
 
 	[MethodImplAttribute (MethodImplOptions.NoInlining)]
+	public static void assembly_load_in_domain () {
+		Assembly.Load ("System.Transactions");
+	}
+
+	[MethodImplAttribute (MethodImplOptions.NoInlining)]
 	public static void dynamic_methods () {
 		var m = new DynamicMethod ("dyn_method", typeof (void), new Type []  { typeof (int) }, typeof (object).Module);
 		var ig = m.GetILGenerator ();
@@ -1627,6 +1634,10 @@ public class CrossDomain : MarshalByRefObject
 	public int invoke_3 () {
 		return 42;
 	}
+
+	public void assembly_load () {
+		Tests.assembly_load_in_domain ();
+	}
 }	
 
 public class Foo
diff --git a/mcs/class/Mono.Debugger.Soft/Test/dtest.cs b/mcs/class/Mono.Debugger.Soft/Test/dtest.cs
index c07fdd26d21..f40e1aa83de 100644
--- a/mcs/class/Mono.Debugger.Soft/Test/dtest.cs
+++ b/mcs/class/Mono.Debugger.Soft/Test/dtest.cs
@@ -3345,6 +3345,9 @@ public class DebuggerTests
 			vm.Resume ();
 			e = GetNextEvent ();
 			if (e is AssemblyUnloadEvent) {
+				AssertThrows<Exception> (delegate () {
+						var assembly_obj = (e as AssemblyUnloadEvent).Assembly.GetAssemblyObject ();
+					});
 				continue;
 			} else {
 				break;