diff options
Diffstat (limited to 'target/linux/generic/backport-4.14/367-v4.18-netfilter-nf_flow_table-add-missing-condition-for-TC.patch')
-rw-r--r-- | target/linux/generic/backport-4.14/367-v4.18-netfilter-nf_flow_table-add-missing-condition-for-TC.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/target/linux/generic/backport-4.14/367-v4.18-netfilter-nf_flow_table-add-missing-condition-for-TC.patch b/target/linux/generic/backport-4.14/367-v4.18-netfilter-nf_flow_table-add-missing-condition-for-TC.patch deleted file mode 100644 index 2a470f77e3..0000000000 --- a/target/linux/generic/backport-4.14/367-v4.18-netfilter-nf_flow_table-add-missing-condition-for-TC.patch +++ /dev/null @@ -1,48 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Fri, 23 Mar 2018 17:15:22 +0100 -Subject: [PATCH] netfilter: nf_flow_table: add missing condition for TCP state - check - -Avoid looking at unrelated fields in UDP packets - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - ---- a/net/netfilter/nf_flow_table_ip.c -+++ b/net/netfilter/nf_flow_table_ip.c -@@ -15,11 +15,14 @@ - #include <linux/tcp.h> - #include <linux/udp.h> - --static int nf_flow_tcp_state_check(struct flow_offload *flow, -- struct sk_buff *skb, unsigned int thoff) -+static int nf_flow_state_check(struct flow_offload *flow, int proto, -+ struct sk_buff *skb, unsigned int thoff) - { - struct tcphdr *tcph; - -+ if (proto != IPPROTO_TCP) -+ return 0; -+ - if (!pskb_may_pull(skb, thoff + sizeof(*tcph))) - return -1; - -@@ -248,7 +251,7 @@ nf_flow_offload_ip_hook(void *priv, stru - return NF_DROP; - - thoff = ip_hdr(skb)->ihl * 4; -- if (nf_flow_tcp_state_check(flow, skb, thoff)) -+ if (nf_flow_state_check(flow, ip_hdr(skb)->protocol, skb, thoff)) - return NF_ACCEPT; - - if (flow->flags & (FLOW_OFFLOAD_SNAT | FLOW_OFFLOAD_DNAT) && -@@ -460,7 +463,8 @@ nf_flow_offload_ipv6_hook(void *priv, st - if (unlikely(nf_flow_exceeds_mtu(skb, flow->tuplehash[dir].tuple.mtu))) - return NF_ACCEPT; - -- if (nf_flow_tcp_state_check(flow, skb, sizeof(*ip6h))) -+ if (nf_flow_state_check(flow, ipv6_hdr(skb)->nexthdr, skb, -+ sizeof(*ip6h))) - return NF_ACCEPT; - - if (skb_try_make_writable(skb, sizeof(*ip6h))) |