netns xfrm: flush SA/SPDs on netns stop

SA/SPD doesn't pin netns (and it shouldn't), so get rid of them by hand.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 7c7bb54..fcf8c92 100644 (file)
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2441,9 +2441,23 @@ out_byidx:
 
 static void xfrm_policy_fini(struct net *net)
 {
+       struct xfrm_audit audit_info;
        unsigned int sz;
        int dir;
 
+       flush_work(&net->xfrm.policy_hash_work);
+#ifdef CONFIG_XFRM_SUB_POLICY
+       audit_info.loginuid = -1;
+       audit_info.sessionid = -1;
+       audit_info.secid = 0;
+       xfrm_policy_flush(net, XFRM_POLICY_TYPE_SUB, &audit_info);
+#endif
+       audit_info.loginuid = -1;
+       audit_info.sessionid = -1;
+       audit_info.secid = 0;
+       xfrm_policy_flush(net, XFRM_POLICY_TYPE_MAIN, &audit_info);
+       flush_work(&xfrm_policy_gc_work);
+
        WARN_ON(!list_empty(&net->xfrm.policy_all));
 
        for (dir = 0; dir < XFRM_POLICY_MAX * 2; dir++) {

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index d594b5a..662e47b 100644 (file)
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -2114,8 +2114,16 @@ out_bydst:
 
 void xfrm_state_fini(struct net *net)
 {
+       struct xfrm_audit audit_info;
        unsigned int sz;
 
+       flush_work(&net->xfrm.state_hash_work);
+       audit_info.loginuid = -1;
+       audit_info.sessionid = -1;
+       audit_info.secid = 0;
+       xfrm_state_flush(net, IPSEC_PROTO_ANY, &audit_info);
+       flush_work(&net->xfrm.state_gc_work);
+
        WARN_ON(!list_empty(&net->xfrm.state_all));
 
        sz = (net->xfrm.state_hmask + 1) * sizeof(struct hlist_head);