From: Stephan Bosch <stephan.bosch@open-xchange.com>
Date: Thu, 28 Aug 2025 11:19:17 +0000 (+0200)
Subject: lib-auth-client: auth-master - Fix potential segfault in auth_master_wait()
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=35574e173f9c82bcf86dbdae653c3f433d7c04a0;p=thirdparty%2Fdovecot%2Fcore.git

lib-auth-client: auth-master - Fix potential segfault in auth_master_wait()

Found by Coverity (#41970).
---

diff --git a/src/lib-auth-client/auth-master.c b/src/lib-auth-client/auth-master.c
index 56bedef9f9..39a571e60c 100644
--- a/src/lib-auth-client/auth-master.c
+++ b/src/lib-auth-client/auth-master.c
@@ -632,8 +632,8 @@ void auth_master_wait(struct auth_master_connection *conn)
 	if (conn->conn.input != NULL &&
 	    i_stream_get_data_size(conn->conn.input) > 0)
 		i_stream_set_input_pending(conn->conn.input, TRUE);
-	o_stream_set_flush_pending(conn->conn.output, TRUE);
 	if (conn->conn.output != NULL) {
+		o_stream_set_flush_pending(conn->conn.output, TRUE);
 		was_corked = o_stream_is_corked(conn->conn.output);
 		o_stream_uncork(conn->conn.output);
 	}