Land rapid7#19285, Fix sysinfo fails when cwd in the implant is deleted

Author: cdelafuente-r7

lib/msf/base/sessions/meterpreter.rb

@@ -425,7 +425,11 @@ def load_priv
 
   def update_session_info
     # sys.config.getuid, and fs.dir.getwd cache their results, so update them
-    fs&.dir&.getwd
+    begin
+      fs&.dir&.getwd
+    rescue Rex::Post::Meterpreter::RequestError => e
+      elog('failed retrieving working directory', error: e)
+    end
     username = self.sys.config.getuid
     sysinfo  = self.sys.config.sysinfo