From 8d549c4f5d92d80fc6f888fd314e10972ae0ec37 Mon Sep 17 00:00:00 2001 From: Fan Du Date: Thu, 7 Nov 2013 17:47:49 +0800 Subject: xfrm: Using the right namespace to migrate key info because the home agent could surely be run on a different net namespace other than init_net. The original behavior could lead into inconsistent of key info. Signed-off-by: Fan Du Signed-off-by: Steffen Klassert --- net/xfrm/xfrm_policy.c | 10 +++++----- net/xfrm/xfrm_user.c | 3 ++- 2 files changed, 7 insertions(+), 6 deletions(-) (limited to 'net/xfrm') diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index a5bbdfb2874b..907fd2fa70bc 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -3076,14 +3076,14 @@ static bool xfrm_migrate_selector_match(const struct xfrm_selector *sel_cmp, } static struct xfrm_policy * xfrm_migrate_policy_find(const struct xfrm_selector *sel, - u8 dir, u8 type) + u8 dir, u8 type, struct net *net) { struct xfrm_policy *pol, *ret = NULL; struct hlist_head *chain; u32 priority = ~0U; read_lock_bh(&xfrm_policy_lock); - chain = policy_hash_direct(&init_net, &sel->daddr, &sel->saddr, sel->family, dir); + chain = policy_hash_direct(net, &sel->daddr, &sel->saddr, sel->family, dir); hlist_for_each_entry(pol, chain, bydst) { if (xfrm_migrate_selector_match(sel, &pol->selector) && pol->type == type) { @@ -3092,7 +3092,7 @@ static struct xfrm_policy * xfrm_migrate_policy_find(const struct xfrm_selector break; } } - chain = &init_net.xfrm.policy_inexact[dir]; + chain = &net->xfrm.policy_inexact[dir]; hlist_for_each_entry(pol, chain, bydst) { if (xfrm_migrate_selector_match(sel, &pol->selector) && pol->type == type && @@ -3216,7 +3216,7 @@ static int xfrm_migrate_check(const struct xfrm_migrate *m, int num_migrate) int xfrm_migrate(const struct xfrm_selector *sel, u8 dir, u8 type, struct xfrm_migrate *m, int num_migrate, - struct xfrm_kmaddress *k) + struct xfrm_kmaddress *k, struct net *net) { int i, err, nx_cur = 0, nx_new = 0; struct xfrm_policy *pol = NULL; @@ -3229,7 +3229,7 @@ int xfrm_migrate(const struct xfrm_selector *sel, u8 dir, u8 type, goto out; /* Stage 1 - find policy */ - if ((pol = xfrm_migrate_policy_find(sel, dir, type)) == NULL) { + if ((pol = xfrm_migrate_policy_find(sel, dir, type, net)) == NULL) { err = -ENOENT; goto out; } diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 4e0546e9bb0a..840cc8d9fbe4 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -2137,6 +2137,7 @@ static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh, u8 type; int err; int n = 0; + struct net *net = sock_net(skb->sk); if (attrs[XFRMA_MIGRATE] == NULL) return -EINVAL; @@ -2154,7 +2155,7 @@ static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh, if (!n) return 0; - xfrm_migrate(&pi->sel, pi->dir, type, m, n, kmp); + xfrm_migrate(&pi->sel, pi->dir, type, m, n, kmp, net); return 0; } -- cgit v1.2.3