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Hello

This problem occurs at the end of the connection init. At the end of the connection_init, the connection is provided to the listener list (through slapd_add_internal call) and then, the connection mutex is freed.

==> At this point, the connection is available to the listener but the back end initialization has not been done.

The backend_connection_init call is done out of the connection mutex protection. If the connection mutex is freed after the connection_init call, all the back end should performed their initialization before it could be used in the operation