selinux: don't revalidate inodes in selinux_socket_getpeersec_dgram()
We don't have to worry about socket inodes being invalidated so
use inode_security_novalidate() to fetch the inode's security blob.
Signed-off-by: Paul Moore <paul@paul-moore.com>
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 912deee..65642be 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4598,6 +4598,7 @@
{
u32 peer_secid = SECSID_NULL;
u16 family;
+ struct inode_security_struct *isec;
if (skb && skb->protocol == htons(ETH_P_IP))
family = PF_INET;
@@ -4608,9 +4609,10 @@
else
goto out;
- if (sock && family == PF_UNIX)
- selinux_inode_getsecid(SOCK_INODE(sock), &peer_secid);
- else if (skb)
+ if (sock && family == PF_UNIX) {
+ isec = inode_security_novalidate(SOCK_INODE(sock));
+ peer_secid = isec->sid;
+ } else if (skb)
selinux_skb_peerlbl_sid(skb, family, &peer_secid);
out: