lib-smtp: smtp-client-command - Assert aborted command pointer is (still) valid

diff --git a/src/lib-smtp/smtp-client-command.c b/src/lib-smtp/smtp-client-command.c
index ddeaa58057095733b6086d0260094c58ae1219b9..05757ee9d7d4c0b121856aa7813c0132c106cdbf 100644 (file)
--- a/src/lib-smtp/smtp-client-command.c
+++ b/src/lib-smtp/smtp-client-command.c
@@ -186,6 +186,8 @@ void smtp_client_command_abort(struct smtp_client_command **_cmd)
                return;
        *_cmd = NULL;
 
+       i_assert(cmd->refcount > 0);
+
        struct smtp_client_connection *conn = cmd->conn;
        enum smtp_client_command_state state = cmd->state;
        bool disconnected =