doveadm auth: Fix potential crash when auth is aborted with a signal

diff --git a/src/doveadm/doveadm-auth.c b/src/doveadm/doveadm-auth.c
index 4c71b8c6bd82cbc8051128adb52fa43f35965bc2..7e91307dc5a3adb912784fe2cd1e1e8b1643254f 100644 (file)
--- a/src/doveadm/doveadm-auth.c
+++ b/src/doveadm/doveadm-auth.c
@@ -80,7 +80,10 @@ doveadm_get_auth_master_conn(const char *auth_socket_path)
 static void cancel_auth(struct authtest_input *input)
 {
        io_loop_stop(current_ioloop);
-       auth_client_request_abort(&input->request, "User cancelled request");
+       if (input->request != NULL) {
+               auth_client_request_abort(&input->request,
+                                         "User cancelled request");
+       }
 }
 
 static void cancel_login(struct login_server_auth *auth)