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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

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Pull security layer fix from James Morris:
 "Smack casting fix"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  Smack: IPv6 casting error fix for 3.11
This commit is contained in:
Linus Torvalds 2013-08-08 09:36:38 -07:00
commit 64b4aaf025
1 changed files with 11 additions and 13 deletions
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24
security/smack/smack_lsm.c
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@ -1998,12 +1998,11 @@ static void smk_ipv6_port_label(struct socket *sock, struct sockaddr *address)
*
* Create or update the port list entry
*/
static int smk_ipv6_port_check(struct sock *sk, struct sockaddr *address,
static int smk_ipv6_port_check(struct sock *sk, struct sockaddr_in6 *address,
int act)
{
__be16 *bep;
__be32 *be32p;
struct sockaddr_in6 *addr6;
struct smk_port_label *spp;
struct socket_smack *ssp = sk->sk_security;
struct smack_known *skp;
@ -2025,10 +2024,9 @@ static int smk_ipv6_port_check(struct sock *sk, struct sockaddr *address,
/*
* Get the IP address and port from the address.
*/
addr6 = (struct sockaddr_in6 *)address;
port = ntohs(addr6->sin6_port);
bep = (__be16 *)(&addr6->sin6_addr);
be32p = (__be32 *)(&addr6->sin6_addr);
port = ntohs(address->sin6_port);
bep = (__be16 *)(&address->sin6_addr);
be32p = (__be32 *)(&address->sin6_addr);
/*
* It's remote, so port lookup does no good.
@ -2060,9 +2058,9 @@ static int smk_ipv6_port_check(struct sock *sk, struct sockaddr *address,
ad.a.u.net->family = sk->sk_family;
ad.a.u.net->dport = port;
if (act == SMK_RECEIVING)
ad.a.u.net->v6info.saddr = addr6->sin6_addr;
ad.a.u.net->v6info.saddr = address->sin6_addr;
else
ad.a.u.net->v6info.daddr = addr6->sin6_addr;
ad.a.u.net->v6info.daddr = address->sin6_addr;
#endif
return smk_access(skp, object, MAY_WRITE, &ad);
}
@ -2201,7 +2199,8 @@ static int smack_socket_connect(struct socket *sock, struct sockaddr *sap,
case PF_INET6:
if (addrlen < sizeof(struct sockaddr_in6))
return -EINVAL;
rc = smk_ipv6_port_check(sock->sk, sap, SMK_CONNECTING);
rc = smk_ipv6_port_check(sock->sk, (struct sockaddr_in6 *)sap,
SMK_CONNECTING);
break;
}
return rc;
@ -3034,7 +3033,7 @@ static int smack_socket_sendmsg(struct socket *sock, struct msghdr *msg,
int size)
{
struct sockaddr_in *sip = (struct sockaddr_in *) msg->msg_name;
struct sockaddr *sap = (struct sockaddr *) msg->msg_name;
struct sockaddr_in6 *sap = (struct sockaddr_in6 *) msg->msg_name;
int rc = 0;
/*
@ -3121,9 +3120,8 @@ static struct smack_known *smack_from_secattr(struct netlbl_lsm_secattr *sap,
return smack_net_ambient;
}
static int smk_skb_to_addr_ipv6(struct sk_buff *skb, struct sockaddr *sap)
static int smk_skb_to_addr_ipv6(struct sk_buff *skb, struct sockaddr_in6 *sip)
{
struct sockaddr_in6 *sip = (struct sockaddr_in6 *)sap;
u8 nexthdr;
int offset;
int proto = -EINVAL;
@ -3181,7 +3179,7 @@ static int smack_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
struct netlbl_lsm_secattr secattr;
struct socket_smack *ssp = sk->sk_security;
struct smack_known *skp;
struct sockaddr sadd;
struct sockaddr_in6 sadd;
int rc = 0;
struct smk_audit_info ad;
#ifdef CONFIG_AUDIT