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Fix: Missing rcu_read_locks in cmd_list_domains()
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
cmd.c
diff --git
a/src/bin/lttng-sessiond/cmd.c
b/src/bin/lttng-sessiond/cmd.c
index 0b97ed61a1ec54fc928b1e5a69890ede4002a162..9fc21fcaf60c3ef57156145998381e9fd487765a 100644
(file)
--- a/
src/bin/lttng-sessiond/cmd.c
+++ b/
src/bin/lttng-sessiond/cmd.c
@@
-2415,12
+2415,14
@@
ssize_t cmd_list_domains(struct ltt_session *session,
DBG3("Listing domains found UST global domain");
nb_dom++;
DBG3("Listing domains found UST global domain");
nb_dom++;
+ rcu_read_lock();
cds_lfht_for_each_entry(session->ust_session->agents->ht, &iter.iter,
agt, node.node) {
if (agt->being_used) {
nb_dom++;
}
}
cds_lfht_for_each_entry(session->ust_session->agents->ht, &iter.iter,
agt, node.node) {
if (agt->being_used) {
nb_dom++;
}
}
+ rcu_read_unlock();
}
if (!nb_dom) {
}
if (!nb_dom) {
@@
-2443,6
+2445,7
@@
ssize_t cmd_list_domains(struct ltt_session *session,
(*domains)[index].buf_type = session->ust_session->buffer_type;
index++;
(*domains)[index].buf_type = session->ust_session->buffer_type;
index++;
+ rcu_read_lock();
cds_lfht_for_each_entry(session->ust_session->agents->ht, &iter.iter,
agt, node.node) {
if (agt->being_used) {
cds_lfht_for_each_entry(session->ust_session->agents->ht, &iter.iter,
agt, node.node) {
if (agt->being_used) {
@@
-2451,6
+2454,7
@@
ssize_t cmd_list_domains(struct ltt_session *session,
index++;
}
}
index++;
}
}
+ rcu_read_unlock();
}
end:
return nb_dom;
}
end:
return nb_dom;
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