[Fix] Prevent crashes when accessing upstream address in self-scan mode

diff --git a/src/rspamd_proxy.c b/src/rspamd_proxy.c
index 694e87c12adf401afe8390f9bdee8d3b8470c891..5f9f50fa0c88d947f9655070422fa4ab13723930 100644 (file)
--- a/src/rspamd_proxy.c
+++ b/src/rspamd_proxy.c
@@ -1600,8 +1600,8 @@ proxy_backend_master_error_handler(struct rspamd_http_connection *conn, GError *
        session->retries++;
        msg_info_session("abnormally closing connection from backend: %s, error: %e,"
                                         " retries left: %d",
-                                        rspamd_inet_address_to_string_pretty(
-                                                rspamd_upstream_addr_cur(session->master_conn->up)),
+                                        session->master_conn->up ? rspamd_inet_address_to_string_pretty(
+                                                rspamd_upstream_addr_cur(session->master_conn->up)) : "self-scan",
                                         err,
                                         session->ctx->max_retries - session->retries);
        rspamd_upstream_fail(bk_conn->up, FALSE, err ? err->message : "unknown");
@@ -2216,8 +2216,8 @@ proxy_client_finish_handler(struct rspamd_http_connection *conn,
        }
        else {
                msg_info_session("finished master connection to %s; HTTP code: %d",
-                                                rspamd_inet_address_to_string_pretty(
-                                                        rspamd_upstream_addr_cur(session->master_conn->up)),
+                                                session->master_conn->up ? rspamd_inet_address_to_string_pretty(
+                                                        rspamd_upstream_addr_cur(session->master_conn->up)) : "self-scan",
                                                 msg->code);
                proxy_backend_close_connection(session->master_conn);
                REF_RELEASE(session);