[PATCH net-next 15/17] audit: add netns refcount tracker to struct audit_net
flat view
STALE1774d
From: Eric Dumazet <hidden>
Date: 2021-12-07 00:52:18
Subsystem:
audit subsystem, the rest · Maintainers:
Paul Moore, Eric Paris, Linus Torvalds
From: Eric Dumazet <redacted> Signed-off-by: Eric Dumazet <redacted> --- kernel/audit.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/kernel/audit.c b/kernel/audit.c
index 121d37e700a62b53854c06199d9a89850ec39dd4..27013414847678af4283484feab2461e3d9c67ed 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c@@ -96,6 +96,7 @@ struct audit_net { * @pid: auditd PID * @portid: netlink portid * @net: the associated network namespace + * ns_tracker: tracker for @net reference * @rcu: RCU head * * Description:
@@ -106,6 +107,7 @@ struct auditd_connection { struct pid *pid; u32 portid; struct net *net; + netns_tracker ns_tracker; struct rcu_head rcu; }; static struct auditd_connection __rcu *auditd_conn;
@@ -481,7 +483,7 @@ static void auditd_conn_free(struct rcu_head *rcu) ac = container_of(rcu, struct auditd_connection, rcu); put_pid(ac->pid); - put_net(ac->net); + put_net_track(ac->net, &ac->ns_tracker); kfree(ac); }
@@ -508,7 +510,7 @@ static int auditd_set(struct pid *pid, u32 portid, struct net *net) return -ENOMEM; ac_new->pid = get_pid(pid); ac_new->portid = portid; - ac_new->net = get_net(net); + ac_new->net = get_net_track(net, &ac_new->ns_tracker, GFP_KERNEL); spin_lock_irqsave(&auditd_conn_lock, flags); ac_old = rcu_dereference_protected(auditd_conn,
--
2.34.1.400.ga245620fadb-goog