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authorEric Dumazet <edumazet@google.com>2015-11-08 19:54:10 +0100
committerDavid S. Miller <davem@davemloft.net>2015-11-09 02:56:39 +0100
commit743b2a66744635b6d91e3d9da1fff29ad5ceb456 (patch)
treecdf035dfa9564f62e13d3bc76fb6d6378f895301 /net
parentnetfilter: xt_owner: use skb_to_full_sk() helper (diff)
downloadlinux-743b2a66744635b6d91e3d9da1fff29ad5ceb456.tar.xz
linux-743b2a66744635b6d91e3d9da1fff29ad5ceb456.zip
sched: cls_flow: use skb_to_full_sk() helper
SYNACK packets might be attached to request sockets. Fixes: ca6fb0651883 ("tcp: attach SYNACK messages to request sockets instead of listener") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/sched/cls_flow.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 536838b657bf..fbfec6a18839 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -22,6 +22,7 @@
#include <linux/if_vlan.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <net/inet_sock.h>
#include <net/pkt_cls.h>
#include <net/ip.h>
@@ -197,8 +198,11 @@ static u32 flow_get_rtclassid(const struct sk_buff *skb)
static u32 flow_get_skuid(const struct sk_buff *skb)
{
- if (skb->sk && skb->sk->sk_socket && skb->sk->sk_socket->file) {
- kuid_t skuid = skb->sk->sk_socket->file->f_cred->fsuid;
+ struct sock *sk = skb_to_full_sk(skb);
+
+ if (sk && sk->sk_socket && sk->sk_socket->file) {
+ kuid_t skuid = sk->sk_socket->file->f_cred->fsuid;
+
return from_kuid(&init_user_ns, skuid);
}
return 0;
@@ -206,8 +210,11 @@ static u32 flow_get_skuid(const struct sk_buff *skb)
static u32 flow_get_skgid(const struct sk_buff *skb)
{
- if (skb->sk && skb->sk->sk_socket && skb->sk->sk_socket->file) {
- kgid_t skgid = skb->sk->sk_socket->file->f_cred->fsgid;
+ struct sock *sk = skb_to_full_sk(skb);
+
+ if (sk && sk->sk_socket && sk->sk_socket->file) {
+ kgid_t skgid = sk->sk_socket->file->f_cred->fsgid;
+
return from_kgid(&init_user_ns, skgid);
}
return 0;