diff options
| author | Sabrina Dubroca <sd@queasysnail.net> | 2022-11-24 15:43:42 +0100 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com> | 2022-11-25 10:11:41 +0100 |
| commit | bd12240337f43522b99c43f8976af34c712b5f57 (patch) | |
| tree | f2f27a2f87090d1bf58444706004e73eecb45331 /net/xfrm/xfrm_user.c | |
| parent | 643bc1a2ee30efc9ab832401e89c9400cd9f52ac (diff) | |
xfrm: add extack to xfrm_do_migrate
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/xfrm/xfrm_user.c')
| -rw-r--r-- | net/xfrm/xfrm_user.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 13607df4f30d..c5d6a92d73cb 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -2687,7 +2687,8 @@ nomem: #ifdef CONFIG_XFRM_MIGRATE static int copy_from_user_migrate(struct xfrm_migrate *ma, struct xfrm_kmaddress *k, - struct nlattr **attrs, int *num) + struct nlattr **attrs, int *num, + struct netlink_ext_ack *extack) { struct nlattr *rt = attrs[XFRMA_MIGRATE]; struct xfrm_user_migrate *um; @@ -2706,8 +2707,10 @@ static int copy_from_user_migrate(struct xfrm_migrate *ma, um = nla_data(rt); num_migrate = nla_len(rt) / sizeof(*um); - if (num_migrate <= 0 || num_migrate > XFRM_MAX_DEPTH) + if (num_migrate <= 0 || num_migrate > XFRM_MAX_DEPTH) { + NL_SET_ERR_MSG(extack, "Invalid number of SAs to migrate, must be 0 < num <= XFRM_MAX_DEPTH (6)"); return -EINVAL; + } for (i = 0; i < num_migrate; i++, um++, ma++) { memcpy(&ma->old_daddr, &um->old_daddr, sizeof(ma->old_daddr)); @@ -2740,8 +2743,10 @@ static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh, struct xfrm_encap_tmpl *encap = NULL; u32 if_id = 0; - if (!attrs[XFRMA_MIGRATE]) + if (!attrs[XFRMA_MIGRATE]) { + NL_SET_ERR_MSG(extack, "Missing required MIGRATE attribute"); return -EINVAL; + } kmp = attrs[XFRMA_KMADDRESS] ? &km : NULL; @@ -2749,7 +2754,7 @@ static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh, if (err) return err; - err = copy_from_user_migrate(m, kmp, attrs, &n); + err = copy_from_user_migrate(m, kmp, attrs, &n, extack); if (err) return err; @@ -2766,7 +2771,8 @@ static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh, if (attrs[XFRMA_IF_ID]) if_id = nla_get_u32(attrs[XFRMA_IF_ID]); - err = xfrm_migrate(&pi->sel, pi->dir, type, m, n, kmp, net, encap, if_id); + err = xfrm_migrate(&pi->sel, pi->dir, type, m, n, kmp, net, encap, + if_id, extack); kfree(encap); |