summaryrefslogtreecommitdiff
path: root/net/ipv4/syncookies.c
diff options
context:
space:
mode:
authorPaul Moore <paul@paul-moore.com>2020-09-27 22:38:26 -0400
committerPaul Moore <paul@paul-moore.com>2020-11-23 18:36:21 -0500
commit3df98d79215ace13d1e91ddfc5a67a0f5acbd83f (patch)
tree3e0db692f0d85f9a73ec0e2dd4298bda62f57b8b /net/ipv4/syncookies.c
parentb2d99bcb27225fe420a8923b21861aef2bb43d9b (diff)
downloadlwn-3df98d79215ace13d1e91ddfc5a67a0f5acbd83f.tar.gz
lwn-3df98d79215ace13d1e91ddfc5a67a0f5acbd83f.zip
lsm,selinux: pass flowi_common instead of flowi to the LSM hooks
As pointed out by Herbert in a recent related patch, the LSM hooks do not have the necessary address family information to use the flowi struct safely. As none of the LSMs currently use any of the protocol specific flowi information, replace the flowi pointers with pointers to the address family independent flowi_common struct. Reported-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: James Morris <jamorris@linux.microsoft.com> Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'net/ipv4/syncookies.c')
-rw-r--r--net/ipv4/syncookies.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 6ac473b47f30..36b3b9b72b75 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -418,7 +418,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb)
inet_sk_flowi_flags(sk),
opt->srr ? opt->faddr : ireq->ir_rmt_addr,
ireq->ir_loc_addr, th->source, th->dest, sk->sk_uid);
- security_req_classify_flow(req, flowi4_to_flowi(&fl4));
+ security_req_classify_flow(req, flowi4_to_flowi_common(&fl4));
rt = ip_route_output_key(sock_net(sk), &fl4);
if (IS_ERR(rt)) {
reqsk_free(req);