Fix double free for the controller.

diff --git a/src/plugins/fuzzy_check.c b/src/plugins/fuzzy_check.c
index e7af9f42ee7d6c714baf9860212dc2ce690e7c8a..2db7e8da70eb974ad711f2099997c95c4c0072a5 100644 (file)
--- a/src/plugins/fuzzy_check.c
+++ b/src/plugins/fuzzy_check.c
@@ -1161,7 +1161,10 @@ cleanup:
                                "{\"success\":true}");
        }
 
-       rspamd_task_free (session->task, TRUE);
+       if (session->task != NULL) {
+               rspamd_task_free (session->task, TRUE);
+               session->task = NULL;
+       }
 
 }
 
@@ -1180,7 +1183,15 @@ fuzzy_controller_timer_callback (gint fd, short what, void *arg)
                msg_err_task ("got IO timeout with server %s, after %d retransmits",
                                rspamd_upstream_name (session->server),
                                session->retransmits);
-               rspamd_task_free (session->task, TRUE);
+
+               if (*session->saved > 0 ) {
+                       (*session->saved)--;
+                       if (*session->saved == 0 && session->task != NULL) {
+                               rspamd_task_free (session->task, TRUE);
+                               session->task = NULL;
+                       }
+               }
+
                rspamd_http_connection_unref (session->http_entry->conn);
                event_del (&session->ev);
                event_del (&session->timev);