Fix: Missing RCU read lock in kernel_destroy_session()

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

diff --git a/src/bin/lttng-sessiond/kernel.c b/src/bin/lttng-sessiond/kernel.c
index b7a362dc062a3dad32a6354e069ab3e96a17f4cf..6b404c0ed97f260d3517d91044315ff8877ec9d7 100644 (file)
--- a/src/bin/lttng-sessiond/kernel.c
+++ b/src/bin/lttng-sessiond/kernel.c
@@ -794,6 +794,7 @@ void kernel_destroy_session(struct ltt_kernel_session *ksess)
                struct lttng_ht_iter iter;
 
                /* For each consumer socket. */
+               rcu_read_lock();
                cds_lfht_for_each_entry(ksess->consumer->socks->ht, &iter.iter,
                                socket, node.node) {
                        struct ltt_kernel_channel *chan;
@@ -807,6 +808,7 @@ void kernel_destroy_session(struct ltt_kernel_session *ksess)
                                }
                        }
                }
+               rcu_read_unlock();
        }
 
        /* Close any relayd session */