Hi,
Minor fix (un-export selinux_get_sock_sid()).
thanks,
Catherine
--
From: [EMAIL PROTECTED]
This patch implements an API whereby an application can determine the
label of its peer's Unix datagram sockets via the auxiliary data mechanism of
recvmsg.
Patch purpose:
This patch enables a security-aware application to retrieve the
security context of the peer of a Unix datagram socket. The application
can then use this security context to determine the security context for
processing on behalf of the peer who sent the packet.
Patch design and implementation:
The design and implementation is very similar to the UDP case for INET
sockets. Basically we build upon the existing Unix domain socket API for
retrieving user credentials. Linux offers the API for obtaining user
credentials via ancillary messages (i.e., out of band/control messages
that are bundled together with a normal message). To retrieve the security
context, the application first indicates to the kernel such desire by
setting the SO_PASSSEC option via getsockopt. Then the application
retrieves the security context using the auxiliary data mechanism.
An example server application for Unix datagram socket should look like this:
toggle = 1;
toggle_len = sizeof(toggle);
setsockopt(sockfd, SOL_SOCKET, SO_PASSSEC, &toggle, &toggle_len);
recvmsg(sockfd, &msg_hdr, 0);
if (msg_hdr.msg_controllen > sizeof(struct cmsghdr)) {
cmsg_hdr = CMSG_FIRSTHDR(&msg_hdr);
if (cmsg_hdr->cmsg_len <= CMSG_LEN(sizeof(scontext)) &&
cmsg_hdr->cmsg_level == SOL_SOCKET &&
cmsg_hdr->cmsg_type == SCM_SECURITY) {
memcpy(&scontext, CMSG_DATA(cmsg_hdr), sizeof(scontext));
}
}
sock_setsockopt is enhanced with a new socket option SOCK_PASSSEC to allow
a server socket to receive security context of the peer.
Testing:
We have tested the patch by setting up Unix datagram client and server
applications. We verified that the server can retrieve the security context
using the auxiliary data mechanism of recvmsg.
---
include/asm-alpha/socket.h | 1 +
include/asm-arm/socket.h | 1 +
include/asm-arm26/socket.h | 1 +
include/asm-cris/socket.h | 1 +
include/asm-frv/socket.h | 1 +
include/asm-h8300/socket.h | 1 +
include/asm-i386/socket.h | 1 +
include/asm-ia64/socket.h | 1 +
include/asm-m32r/socket.h | 1 +
include/asm-m68k/socket.h | 1 +
include/asm-mips/socket.h | 1 +
include/asm-parisc/socket.h | 1 +
include/asm-powerpc/socket.h | 1 +
include/asm-s390/socket.h | 1 +
include/asm-sh/socket.h | 1 +
include/asm-sparc/socket.h | 1 +
include/asm-sparc64/socket.h | 1 +
include/asm-v850/socket.h | 1 +
include/asm-x86_64/socket.h | 1 +
include/asm-xtensa/socket.h | 1 +
include/linux/net.h | 1 +
include/net/af_unix.h | 6 ++++++
include/net/scm.h | 17 +++++++++++++++++
net/core/sock.c | 11 +++++++++++
net/unix/af_unix.c | 27 +++++++++++++++++++++++++++
security/selinux/hooks.c | 11 ++++++++---
26 files changed, 90 insertions(+), 3 deletions(-)
diff -puN include/asm-alpha/socket.h~lsm-secpeer-unix include/asm-alpha/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-alpha/socket.h~lsm-secpeer-unix
2006-06-27 18:14:52.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-alpha/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -51,6 +51,7 @@
#define SCM_TIMESTAMP SO_TIMESTAMP
#define SO_PEERSEC 30
+#define SO_PASSSEC 34
/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION 19
diff -puN include/asm-arm/socket.h~lsm-secpeer-unix include/asm-arm/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-arm/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-arm/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -48,5 +48,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_SOCKET_H */
diff -puN include/asm-arm26/socket.h~lsm-secpeer-unix include/asm-arm26/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-arm26/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-arm26/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -48,5 +48,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_SOCKET_H */
diff -puN include/asm-cris/socket.h~lsm-secpeer-unix include/asm-cris/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-cris/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-cris/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -50,6 +50,7 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_SOCKET_H */
diff -puN include/asm-frv/socket.h~lsm-secpeer-unix include/asm-frv/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-frv/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-frv/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -48,6 +48,7 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_SOCKET_H */
diff -puN include/asm-h8300/socket.h~lsm-secpeer-unix include/asm-h8300/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-h8300/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-h8300/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -48,5 +48,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_SOCKET_H */
diff -puN include/asm-i386/socket.h~lsm-secpeer-unix include/asm-i386/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-i386/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-i386/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -48,5 +48,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_SOCKET_H */
diff -puN include/asm-ia64/socket.h~lsm-secpeer-unix include/asm-ia64/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-ia64/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-ia64/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -57,5 +57,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_IA64_SOCKET_H */
diff -puN include/asm-m32r/socket.h~lsm-secpeer-unix include/asm-m32r/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-m32r/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-m32r/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -48,5 +48,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_M32R_SOCKET_H */
diff -puN include/asm-m68k/socket.h~lsm-secpeer-unix include/asm-m68k/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-m68k/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-m68k/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -48,5 +48,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_SOCKET_H */
diff -puN include/asm-mips/socket.h~lsm-secpeer-unix include/asm-mips/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-mips/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-mips/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -69,6 +69,7 @@ To add: #define SO_REUSEPORT 0x0200 /* A
#define SO_PEERSEC 30
#define SO_SNDBUFFORCE 31
#define SO_RCVBUFFORCE 33
+#define SO_PASSSEC 34
#ifdef __KERNEL__
diff -puN include/asm-parisc/socket.h~lsm-secpeer-unix
include/asm-parisc/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-parisc/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-parisc/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -48,5 +48,6 @@
#define SO_ACCEPTCONN 0x401c
#define SO_PEERSEC 0x401d
+#define SO_PASSSEC 0x401e
#endif /* _ASM_SOCKET_H */
diff -puN include/asm-powerpc/socket.h~lsm-secpeer-unix
include/asm-powerpc/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-powerpc/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-powerpc/socket.h
2006-06-27 18:16:31.000000000 -0400
@@ -55,5 +55,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_POWERPC_SOCKET_H */
diff -puN include/asm-s390/socket.h~lsm-secpeer-unix include/asm-s390/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-s390/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-s390/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -56,5 +56,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_SOCKET_H */
diff -puN include/asm-sh/socket.h~lsm-secpeer-unix include/asm-sh/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-sh/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-sh/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -48,5 +48,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* __ASM_SH_SOCKET_H */
diff -puN include/asm-sparc/socket.h~lsm-secpeer-unix include/asm-sparc/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-sparc/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-sparc/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -48,6 +48,7 @@
#define SCM_TIMESTAMP SO_TIMESTAMP
#define SO_PEERSEC 0x001e
+#define SO_PASSSEC 0x001f
/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION 0x5001
diff -puN include/asm-sparc64/socket.h~lsm-secpeer-unix
include/asm-sparc64/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-sparc64/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-sparc64/socket.h
2006-06-27 18:16:31.000000000 -0400
@@ -48,6 +48,7 @@
#define SCM_TIMESTAMP SO_TIMESTAMP
#define SO_PEERSEC 0x001e
+#define SO_PASSSEC 0x001f
/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION 0x5001
diff -puN include/asm-v850/socket.h~lsm-secpeer-unix include/asm-v850/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-v850/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-v850/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -48,5 +48,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* __V850_SOCKET_H__ */
diff -puN include/asm-x86_64/socket.h~lsm-secpeer-unix
include/asm-x86_64/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-x86_64/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-x86_64/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -48,5 +48,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_SOCKET_H */
diff -puN include/asm-xtensa/socket.h~lsm-secpeer-unix
include/asm-xtensa/socket.h
--- linux-2.6.17-rc6-mm2-JM/include/asm-xtensa/socket.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/asm-xtensa/socket.h 2006-06-27
18:16:31.000000000 -0400
@@ -59,5 +59,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _XTENSA_SOCKET_H */
diff -puN include/linux/net.h~lsm-secpeer-unix include/linux/net.h
--- linux-2.6.17-rc6-mm2-JM/include/linux/net.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/linux/net.h 2006-06-27
18:16:31.000000000 -0400
@@ -61,6 +61,7 @@ typedef enum {
#define SOCK_ASYNC_WAITDATA 1
#define SOCK_NOSPACE 2
#define SOCK_PASSCRED 3
+#define SOCK_PASSSEC 4
#ifndef ARCH_HAS_SOCKET_TYPES
/**
diff -puN include/net/af_unix.h~lsm-secpeer-unix include/net/af_unix.h
--- linux-2.6.17-rc6-mm2-JM/include/net/af_unix.h~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/net/af_unix.h 2006-06-27
18:23:28.000000000 -0400
@@ -53,10 +53,16 @@ struct unix_address {
struct unix_skb_parms {
struct ucred creds; /* Skb credentials */
struct scm_fp_list *fp; /* Passed files */
+#ifdef CONFIG_SECURITY_NETWORK
+ char *secdata; /* Security context */
+ u32 seclen; /* Security length */
+#endif
};
#define UNIXCB(skb) (*(struct unix_skb_parms*)&((skb)->cb))
#define UNIXCREDS(skb) (&UNIXCB((skb)).creds)
+#define UNIXSECDATA(skb) (&UNIXCB((skb)).secdata)
+#define UNIXSECLEN(skb) (&UNIXCB((skb)).seclen)
#define unix_state_rlock(s) spin_lock(&unix_sk(s)->lock)
#define unix_state_runlock(s) spin_unlock(&unix_sk(s)->lock)
diff -puN include/net/scm.h~lsm-secpeer-unix include/net/scm.h
--- linux-2.6.17-rc6-mm2-JM/include/net/scm.h~lsm-secpeer-unix 2006-06-27
18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/include/net/scm.h 2006-06-27
18:21:59.000000000 -0400
@@ -19,6 +19,10 @@ struct scm_cookie
{
struct ucred creds; /* Skb credentials */
struct scm_fp_list *fp; /* Passed files */
+#ifdef CONFIG_SECURITY_NETWORK
+ char *secdata; /* Security context */
+ u32 seclen; /* Security length */
+#endif
unsigned long seq; /* Connection seqno */
};
@@ -48,6 +52,17 @@ static __inline__ int scm_send(struct so
return __scm_send(sock, msg, scm);
}
+#ifdef CONFIG_SECURITY_NETWORK
+static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct
scm_cookie *scm)
+{
+ if (test_bit(SOCK_PASSSEC, &sock->flags) && scm->secdata != NULL)
+ put_cmsg(msg, SOL_SOCKET, SCM_SECURITY, scm->seclen,
scm->secdata);
+}
+#else
+static inline void scm_passec(struct socket *sock, struct msghdr *msg, struct
scm_cookie *scm)
+{ }
+#endif /* CONFIG_SECURITY_NETWORK */
+
static __inline__ void scm_recv(struct socket *sock, struct msghdr *msg,
struct scm_cookie *scm, int flags)
{
@@ -62,6 +77,8 @@ static __inline__ void scm_recv(struct s
if (test_bit(SOCK_PASSCRED, &sock->flags))
put_cmsg(msg, SOL_SOCKET, SCM_CREDENTIALS, sizeof(scm->creds),
&scm->creds);
+ scm_passec(sock, msg, scm);
+
if (!scm->fp)
return;
diff -puN net/core/sock.c~lsm-secpeer-unix net/core/sock.c
--- linux-2.6.17-rc6-mm2-JM/net/core/sock.c~lsm-secpeer-unix 2006-06-27
18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/net/core/sock.c 2006-06-27
18:16:31.000000000 -0400
@@ -565,6 +565,13 @@ set_rcvbuf:
ret = -ENONET;
break;
+ case SO_PASSSEC:
+ if (valbool)
+ set_bit(SOCK_PASSSEC, &sock->flags);
+ else
+ clear_bit(SOCK_PASSSEC, &sock->flags);
+ break;
+
/* We implement the SO_SNDLOWAT etc to
not be settable (1003.1g 5.3) */
default:
@@ -723,6 +730,10 @@ int sock_getsockopt(struct socket *sock,
v.val = sk->sk_state == TCP_LISTEN;
break;
+ case SO_PASSSEC:
+ v.val = test_bit(SOCK_PASSSEC, &sock->flags) ? 1 : 0;
+ break;
+
case SO_PEERSEC:
return security_socket_getpeersec_stream(sock, optval,
optlen, len);
diff -puN net/unix/af_unix.c~lsm-secpeer-unix net/unix/af_unix.c
--- linux-2.6.17-rc6-mm2-JM/net/unix/af_unix.c~lsm-secpeer-unix 2006-06-27
18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/net/unix/af_unix.c 2006-06-27
18:25:42.000000000 -0400
@@ -128,6 +128,30 @@ static atomic_t unix_nr_socks = ATOMIC_I
#define UNIX_ABSTRACT(sk) (unix_sk(sk)->addr->hash != UNIX_HASH_SIZE)
+#ifdef CONFIG_SECURITY_NETWORK
+static void unix_get_peersec_dgram(struct sk_buff *skb)
+{
+ int err;
+
+ err = security_socket_getpeersec_dgram(skb, UNIXSECDATA(skb),
+ UNIXSECLEN(skb));
+ if (err)
+ *(UNIXSECDATA(skb)) = NULL;
+}
+
+static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff
*skb)
+{
+ scm->secdata = *UNIXSECDATA(skb);
+ scm->seclen = *UNIXSECLEN(skb);
+}
+#else
+static void unix_get_peersec_dgram(struct sk_buff *skb)
+{ }
+
+static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff
*skb)
+{ }
+#endif /* CONFIG_SECURITY_NETWORK */
+
/*
* SMP locking strategy:
* hash table is protected with spinlock unix_table_lock
@@ -1291,6 +1315,8 @@ static int unix_dgram_sendmsg(struct kio
if (siocb->scm->fp)
unix_attach_fds(siocb->scm, skb);
+ unix_get_peersec_dgram(skb);
+
skb->h.raw = skb->data;
err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);
if (err)
@@ -1570,6 +1596,7 @@ static int unix_dgram_recvmsg(struct kio
memset(&tmp_scm, 0, sizeof(tmp_scm));
}
siocb->scm->creds = *UNIXCREDS(skb);
+ unix_set_secdata(siocb->scm, skb);
if (!(flags & MSG_PEEK))
{
diff -puN security/selinux/hooks.c~lsm-secpeer-unix security/selinux/hooks.c
--- linux-2.6.17-rc6-mm2-JM/security/selinux/hooks.c~lsm-secpeer-unix
2006-06-27 18:15:10.000000000 -0400
+++ linux-2.6.17-rc6-mm2-JM-cxzhang/security/selinux/hooks.c 2006-06-27
23:46:03.625599136 -0400
@@ -69,6 +69,7 @@
#include <linux/sysctl.h>
#include <linux/audit.h>
#include <linux/string.h>
+#include <linux/selinux.h>
#include "avc.h"
#include "objsec.h"
@@ -3396,7 +3397,13 @@ out:
static int selinux_socket_getpeersec_dgram(struct sk_buff *skb, char
**secdata, u32 *seclen)
{
int err = 0;
- u32 peer_sid = selinux_socket_getpeer_dgram(skb);
+ u32 peer_sid;
+
+ if (skb->sk->sk_family == PF_UNIX)
+ selinux_get_inode_sid(SOCK_INODE(skb->sk->sk_socket),
+ &peer_sid);
+ else
+ peer_sid = selinux_socket_getpeer_dgram(skb);
if (peer_sid == SECSID_NULL)
return -EINVAL;
@@ -3408,8 +3415,6 @@ static int selinux_socket_getpeersec_dgr
return 0;
}
-
-
static int selinux_sk_alloc_security(struct sock *sk, int family, gfp_t
priority)
{
return sk_alloc_security(sk, family, priority);
_
-
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