mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-12 13:55:32 +00:00
Code Issues Releases Wiki Activity

netfilter: flowtable: refresh timeout after dst and writable checks

Browse source 
Refresh the timeout (and retry hardware offload) once the skbuff dst
is confirmed to be current and after the skbuff is made writable.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2021-03-17 15:56:40 +01:00
parent e5075c0bad
commit 1b9cd7690a
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
net/netfilter/nf_flow_table_ip.c
View file

@ -246,8 +246,6 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb,
if (nf_flow_state_check(flow, iph->protocol, skb, thoff))
return NF_ACCEPT;
flow_offload_refresh(flow_table, flow);
if (!dst_check(&rt->dst, 0)) {
flow_offload_teardown(flow);
return NF_ACCEPT;
@ -256,6 +254,8 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb,
if (skb_try_make_writable(skb, thoff + hdrsize))
return NF_DROP;
flow_offload_refresh(flow_table, flow);
iph = ip_hdr(skb);
nf_flow_nat_ip(flow, skb, thoff, dir, iph);
@ -466,8 +466,6 @@ nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb,
sizeof(*ip6h)))
return NF_ACCEPT;
flow_offload_refresh(flow_table, flow);
if (!dst_check(&rt->dst, 0)) {
flow_offload_teardown(flow);
return NF_ACCEPT;
@ -476,6 +474,8 @@ nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb,
if (skb_try_make_writable(skb, sizeof(*ip6h) + hdrsize))
return NF_DROP;
flow_offload_refresh(flow_table, flow);
ip6h = ipv6_hdr(skb);
nf_flow_nat_ipv6(flow, skb, dir, ip6h);