--- a/sos/report/plugins/coredump.py
+++ b/sos/report/plugins/coredump.py
@@ -72,8 +72,8 @@
             cdump = line.split()
             pid = cdump[4]
             exe = cdump[-2]
-            if regex := self.get_option("executable"):
-                if not re.search(regex, exe, re.I):
+            if self.get_option("executable"):
+                if not re.search(self.get_option("executable"), exe, re.I):
                     continue
             cinfo = self.collect_cmd_output(f"coredumpctl info {pid}")
             if cinfo['status'] != 0:
--- a/sos/collector/sosnode.py
+++ b/sos/collector/sosnode.py
@@ -372,7 +372,8 @@
             for line in result.splitlines():
                 if not is_list:
                     try:
-                        if ls := line.split():
+                        ls = line.split()
+                        if ls:
                             res.append(ls[0])
                     except Exception as err:
                         self.log_debug(f"Error parsing sos help: {err}")