diff options
Diffstat (limited to 'net/ipv6/ah6.c')
| -rw-r--r-- | net/ipv6/ah6.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index dda6035e3b84..7802b72196f3 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -25,6 +25,7 @@ #define pr_fmt(fmt) "IPv6: " fmt +#include <crypto/algapi.h> #include <crypto/hash.h> #include <linux/module.h> #include <linux/slab.h> @@ -423,7 +424,9 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb) ah->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output.low); sg_init_table(sg, nfrags + sglists); - skb_to_sgvec_nomark(skb, sg, 0, skb->len); + err = skb_to_sgvec_nomark(skb, sg, 0, skb->len); + if (unlikely(err < 0)) + goto out_free; if (x->props.flags & XFRM_STATE_ESN) { /* Attach seqhi sg right after packet payload */ @@ -481,7 +484,7 @@ static void ah6_input_done(struct crypto_async_request *base, int err) auth_data = ah_tmp_auth(work_iph, hdr_len); icv = ah_tmp_icv(ahp->ahash, auth_data, ahp->icv_trunc_len); - err = memcmp(icv, auth_data, ahp->icv_trunc_len) ? -EBADMSG : 0; + err = crypto_memneq(icv, auth_data, ahp->icv_trunc_len) ? -EBADMSG : 0; if (err) goto out; @@ -606,7 +609,9 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) ip6h->hop_limit = 0; sg_init_table(sg, nfrags + sglists); - skb_to_sgvec_nomark(skb, sg, 0, skb->len); + err = skb_to_sgvec_nomark(skb, sg, 0, skb->len); + if (unlikely(err < 0)) + goto out_free; if (x->props.flags & XFRM_STATE_ESN) { /* Attach seqhi sg right after packet payload */ @@ -627,7 +632,7 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) goto out_free; } - err = memcmp(icv, auth_data, ahp->icv_trunc_len) ? -EBADMSG : 0; + err = crypto_memneq(icv, auth_data, ahp->icv_trunc_len) ? -EBADMSG : 0; if (err) goto out_free; |