From c739007373be4b2682252004108e8ecc42a14917 Mon Sep 17 00:00:00 2001 From: =?utf8?q?J=C3=A9r=C3=A9mie=20Galarneau?= Date: Mon, 1 Dec 2014 22:06:23 -0500 Subject: [PATCH] Fix: Missing RCU read lock in kernel_destroy_session() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Jérémie Galarneau --- src/bin/lttng-sessiond/kernel.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/bin/lttng-sessiond/kernel.c b/src/bin/lttng-sessiond/kernel.c index 44a71fc59..7a1b7a98b 100644 --- a/src/bin/lttng-sessiond/kernel.c +++ b/src/bin/lttng-sessiond/kernel.c @@ -772,6 +772,7 @@ 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; @@ -785,6 +786,7 @@ void kernel_destroy_session(struct ltt_kernel_session *ksess) } } } + rcu_read_unlock(); } /* Close any relayd session */ -- 2.34.1