Add fuzz calls for SBModule and SBProcess.

llvm-svn: 134037

lldb/source/API/SBModule.cpp

@@ -223,10 +223,11 @@ SBModule::SetModule (const lldb::ModuleSP& module_sp)
 bool
 SBModule::ResolveFileAddress (lldb::addr_t vm_addr, SBAddress& addr)
 {
-    if (m_opaque_sp)
+    if (m_opaque_sp && addr.IsValid())
         return m_opaque_sp->ResolveFileAddress (vm_addr, *addr);
     
-    addr->Clear();
+    if (addr.IsValid())
+        addr->Clear();
     return false;
 }
 

lldb/test/python_api/default-constructor/TestDefaultConstructorForAPIObjects.py

@@ -211,6 +211,9 @@ class APIDefaultConstructorTestCase(TestBase):
         if self.TraceOn():
             print obj
         self.assertFalse(obj)
+        # Do fuzz testing on the invalid obj, it should not crash lldb.
+        import sb_module
+        sb_module.fuzz_obj(obj)
 
     @python_api_test
     def test_SBProcess(self):
@@ -218,6 +221,9 @@ class APIDefaultConstructorTestCase(TestBase):
         if self.TraceOn():
             print obj
         self.assertFalse(obj)
+        # Do fuzz testing on the invalid obj, it should not crash lldb.
+        import sb_process
+        sb_process.fuzz_obj(obj)
 
     @python_api_test
     def test_SBStream(self):

lldb/test/python_api/default-constructor/sb_module.py

@@ -0,0 +1,19 @@
+"""
+Fuzz tests an object after the default construction to make sure it does not crash lldb.
+"""
+
+import sys
+import lldb
+
+def fuzz_obj(obj):
+    obj.GetFileSpec()
+    obj.GetPlatformFileSpec()
+    obj.SetPlatformFileSpec(lldb.SBFileSpec())
+    obj.GetUUIDBytes()
+    obj.GetUUIDString()
+    obj.ResolveFileAddress(sys.maxint, lldb.SBAddress())
+    obj.ResolveSymbolContextForAddress(lldb.SBAddress(), 0)
+    obj.GetDescription(lldb.SBStream())
+    obj.GetNumSymbols()
+    obj.GetSymbolAtIndex(sys.maxint)
+    obj.FindFunctions("my_func", 0xffffffff, True, lldb.SBSymbolContextList())

lldb/test/python_api/default-constructor/sb_process.py

@@ -0,0 +1,42 @@
+"""
+Fuzz tests an object after the default construction to make sure it does not crash lldb.
+"""
+
+import sys
+import lldb
+
+def fuzz_obj(obj):
+    obj.GetTarget()
+    obj.GetByteOrder()
+    obj.PutSTDIN("my data", 7)
+    obj.GetSTDOUT(6)
+    obj.GetSTDERR(6)
+    event = lldb.SBEvent()
+    obj.ReportEventState(event, None)
+    obj.AppendEventStateReport(event, lldb.SBCommandReturnObject())
+    error = lldb.SBError()
+    obj.RemoteAttachToProcessWithID(123, error)
+    obj.RemoteLaunch(None, None, None, None, None, None, 0, False, error)
+    obj.GetNumThreads()
+    obj.GetThreadAtIndex(0)
+    obj.GetThreadByID(0)
+    obj.GetSelectedThread()
+    obj.SetSelectedThread(lldb.SBThread())
+    obj.SetSelectedThreadByID(0)
+    obj.GetState()
+    obj.GetExitStatus()
+    obj.GetExitDescription()
+    obj.GetProcessID()
+    obj.GetAddressByteSize()
+    obj.Destroy()
+    obj.Continue()
+    obj.Stop()
+    obj.Kill()
+    obj.Detach()
+    obj.Signal(7)
+    obj.ReadMemory(0x0000ffff, 10, error)
+    obj.WriteMemory(0x0000ffff, "hi data", error)
+    obj.GetBroadcaster()
+    obj.GetDescription(lldb.SBStream())
+    obj.LoadImage(lldb.SBFileSpec(), error)
+    obj.UnloadImage(0)