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authorLinus Torvalds <torvalds@linux-foundation.org>2014-02-09 18:14:53 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-02-09 18:14:53 -0800
commitcd63204c55a207873eee1e8e225bccc9ae27d949 (patch)
treecf5fa6ad8839a62cbc82e64e578d0ff7f05928d2
parentf94aa7c7f1fc474be776e4bf88088d5a007d3575 (diff)
parentf743166da7e93b617dd93120cdb5edcc8b84c464 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull SELinux fixes from James Morris. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: SELinux: Fix kernel BUG on empty security contexts. selinux: add SOCK_DIAG_BY_FAMILY to the list of netlink message types
-rw-r--r--security/selinux/nlmsgtab.c2
-rw-r--r--security/selinux/ss/services.c4
2 files changed, 6 insertions, 0 deletions
diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c
index 332ac8a80cf5..2df7b900e259 100644
--- a/security/selinux/nlmsgtab.c
+++ b/security/selinux/nlmsgtab.c
@@ -17,6 +17,7 @@
#include <linux/inet_diag.h>
#include <linux/xfrm.h>
#include <linux/audit.h>
+#include <linux/sock_diag.h>
#include "flask.h"
#include "av_permissions.h"
@@ -78,6 +79,7 @@ static struct nlmsg_perm nlmsg_tcpdiag_perms[] =
{
{ TCPDIAG_GETSOCK, NETLINK_TCPDIAG_SOCKET__NLMSG_READ },
{ DCCPDIAG_GETSOCK, NETLINK_TCPDIAG_SOCKET__NLMSG_READ },
+ { SOCK_DIAG_BY_FAMILY, NETLINK_TCPDIAG_SOCKET__NLMSG_READ },
};
static struct nlmsg_perm nlmsg_xfrm_perms[] =
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index c93c21127f0c..5d0144ee8ed6 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -1232,6 +1232,10 @@ static int security_context_to_sid_core(const char *scontext, u32 scontext_len,
struct context context;
int rc = 0;
+ /* An empty security context is never valid. */
+ if (!scontext_len)
+ return -EINVAL;
+
if (!ss_initialized) {
int i;