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Diffstat (limited to 'net/xfrm/xfrm_replay.c')
-rw-r--r--net/xfrm/xfrm_replay.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 98943f8d01aa..c6a4338a0d08 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -89,7 +89,8 @@ static int xfrm_replay_overflow(struct xfrm_state *x, struct sk_buff *skb)
if (x->type->flags & XFRM_TYPE_REPLAY_PROT) {
XFRM_SKB_CB(skb)->seq.output.low = ++x->replay.oseq;
XFRM_SKB_CB(skb)->seq.output.hi = 0;
- if (unlikely(x->replay.oseq == 0)) {
+ if (unlikely(x->replay.oseq == 0) &&
+ !(x->props.extra_flags & XFRM_SA_XFLAG_OSEQ_MAY_WRAP)) {
x->replay.oseq--;
xfrm_audit_state_replay_overflow(x, skb);
err = -EOVERFLOW;
@@ -168,7 +169,8 @@ static int xfrm_replay_overflow_bmp(struct xfrm_state *x, struct sk_buff *skb)
if (x->type->flags & XFRM_TYPE_REPLAY_PROT) {
XFRM_SKB_CB(skb)->seq.output.low = ++replay_esn->oseq;
XFRM_SKB_CB(skb)->seq.output.hi = 0;
- if (unlikely(replay_esn->oseq == 0)) {
+ if (unlikely(replay_esn->oseq == 0) &&
+ !(x->props.extra_flags & XFRM_SA_XFLAG_OSEQ_MAY_WRAP)) {
replay_esn->oseq--;
xfrm_audit_state_replay_overflow(x, skb);
err = -EOVERFLOW;
@@ -572,7 +574,8 @@ static int xfrm_replay_overflow_offload(struct xfrm_state *x, struct sk_buff *sk
XFRM_SKB_CB(skb)->seq.output.hi = 0;
xo->seq.hi = 0;
- if (unlikely(oseq < x->replay.oseq)) {
+ if (unlikely(oseq < x->replay.oseq) &&
+ !(x->props.extra_flags & XFRM_SA_XFLAG_OSEQ_MAY_WRAP)) {
xfrm_audit_state_replay_overflow(x, skb);
err = -EOVERFLOW;
@@ -611,7 +614,8 @@ static int xfrm_replay_overflow_offload_bmp(struct xfrm_state *x, struct sk_buff
XFRM_SKB_CB(skb)->seq.output.hi = 0;
xo->seq.hi = 0;
- if (unlikely(oseq < replay_esn->oseq)) {
+ if (unlikely(oseq < replay_esn->oseq) &&
+ !(x->props.extra_flags & XFRM_SA_XFLAG_OSEQ_MAY_WRAP)) {
xfrm_audit_state_replay_overflow(x, skb);
err = -EOVERFLOW;