Fix reporting crash in on-chain analysis

mythril/analysis/modules/integer.py

@@ -184,7 +184,7 @@ def _check_integer_underflow(statespace, state, node):
                 # If we get to this point then there has been an integer overflow
                 # Find out if the overflowed value is actually used
                 interesting_usages = _search_children(statespace, node, (op0 - op1), index=node.states.index(state))
-                logging.info(interesting_usages)
+                logging.debug(interesting_usages)
 
                 # Stop if it isn't
                 if len(interesting_usages) == 0:
@@ -232,7 +232,7 @@ def _check_taint(statement, expression):
 
 def _check_jumpi(state, expression):
     """ Check if conditional jump is dependent on the result of expression"""
-    logging.info(state.get_current_instruction()['opcode'])
+    logging.debug(state.get_current_instruction()['opcode'])
     assert state.get_current_instruction()['opcode'] == 'JUMPI'
     condition = state.mstate.stack[-2]
     return _check_taint(condition, expression)
@@ -240,7 +240,7 @@ def _check_jumpi(state, expression):
 
 def _check_sstore(state, expression):
     """ Check if store operation is dependent on the result of expression"""
-    logging.info(state.get_current_instruction()['opcode'])
+    logging.debug(state.get_current_instruction()['opcode'])
     assert state.get_current_instruction()['opcode'] == 'SSTORE'
     value = state.mstate.stack[-2]
     return _check_taint(value, expression)

mythril/analysis/report.py

@@ -92,7 +92,9 @@ class Report:
         for key, issue in self.issues.items():
 
             if text == "":
-                text += "# Analysis results for " + issue.filename
+                if (issue.filename):
+                    text += "# Analysis results for " + issue.filename
+               
             text += "\n\n## " + issue.title + "\n\n"
             text += "- Type: " + issue.type + "\n"