Fix: missing rcu_read_lock in trace_ust_destroy_session()

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/src/bin/lttng-sessiond/trace-ust.c b/src/bin/lttng-sessiond/trace-ust.c
index 339148ae9cdb8fa8da1121bd39d335b5f2b89141..19a1c95d3e803fa9bf95683a0b82a4a953bf9d87 100644 (file)
--- a/src/bin/lttng-sessiond/trace-ust.c
+++ b/src/bin/lttng-sessiond/trace-ust.c
@@ -752,10 +752,12 @@ void trace_ust_destroy_session(struct ltt_ust_session *session)
        /* Cleaning up UST domain */
        destroy_domain_global(&session->domain_global);
 
+       rcu_read_lock();
        cds_lfht_for_each_entry(session->agents->ht, &iter.iter, agt, node.node) {
                lttng_ht_del(session->agents, &iter);
                agent_destroy(agt);
        }
+       rcu_read_unlock();
 
        /* Cleanup UID buffer registry object(s). */
        cds_list_for_each_entry_safe(reg, sreg, &session->buffer_reg_uid_list,