From: Stephan Bosch <stephan.bosch@open-xchange.com>
Date: Wed, 5 Nov 2025 23:30:02 +0000 (+0100)
Subject: login-common: client-common-auth - Assert that a new authentication does not occur... 
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=103c1ec67ae23d90051b60933854bfdcfde20e08;p=thirdparty%2Fdovecot%2Fcore.git

login-common: client-common-auth - Assert that a new authentication does not occur when one is still running
---

diff --git a/src/login-common/client-common-auth.c b/src/login-common/client-common-auth.c
index 350bbbfacf..7815e687f5 100644
--- a/src/login-common/client-common-auth.c
+++ b/src/login-common/client-common-auth.c
@@ -1097,6 +1097,8 @@ client_auth_begin_common(struct client *client, const char *mech_name,
 			 enum sasl_server_auth_flags auth_flags,
 			 const char *init_resp)
 {
+	i_assert(!client->authenticating);
+
 	if (!client->connection_secured &&
 	    strcmp(client->ssl_server_set->ssl, "required") == 0) {
 		e_info(client->event_auth, "Login failed: "