Merge tag 'v3.12'

Linux 3.12

4 files changed, 27 insertions, 39 deletions

diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index dad36a6ab45f..fc3e6628a864 100644
--- a/security/selinux/avc.c
+++ b/security/selinux/avc.c
@@ -746,7 +746,6 @@ inline int avc_has_perm_noaudit(u32 ssid, u32 tsid,
  * @tclass: target security class
  * @requested: requested permissions, interpreted based on @tclass
  * @auditdata: auxiliary audit data
- * @flags: VFS walk flags
  *
  * Check the AVC to determine whether the @requested permissions are granted
  * for the SID pair (@ssid, @tsid), interpreting the permissions
@@ -756,17 +755,15 @@ inline int avc_has_perm_noaudit(u32 ssid, u32 tsid,
  * permissions are granted, -%EACCES if any permissions are denied, or
  * another -errno upon other errors.
  */
-int avc_has_perm_flags(u32 ssid, u32 tsid, u16 tclass,
-		       u32 requested, struct common_audit_data *auditdata,
-		       unsigned flags)
+int avc_has_perm(u32 ssid, u32 tsid, u16 tclass,
+		 u32 requested, struct common_audit_data *auditdata)
 {
 	struct av_decision avd;
 	int rc, rc2;
 
 	rc = avc_has_perm_noaudit(ssid, tsid, tclass, requested, 0, &avd);
 
-	rc2 = avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata,
-			flags);
+	rc2 = avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata);
 	if (rc2)
 		return rc2;
 	return rc;
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index c09211a4d7da..777ee98273d1 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1539,7 +1539,7 @@ static int cred_has_capability(const struct cred *cred,
 
 	rc = avc_has_perm_noaudit(sid, sid, sclass, av, 0, &avd);
 	if (audit == SECURITY_CAP_AUDIT) {
-		int rc2 = avc_audit(sid, sid, sclass, av, &avd, rc, &ad, 0);
+		int rc2 = avc_audit(sid, sid, sclass, av, &avd, rc, &ad);
 		if (rc2)
 			return rc2;
 	}
@@ -1562,8 +1562,7 @@ static int task_has_system(struct task_struct *tsk,
 static int inode_has_perm(const struct cred *cred,
 			  struct inode *inode,
 			  u32 perms,
-			  struct common_audit_data *adp,
-			  unsigned flags)
+			  struct common_audit_data *adp)
 {
 	struct inode_security_struct *isec;
 	u32 sid;
@@ -1576,7 +1575,7 @@ static int inode_has_perm(const struct cred *cred,
 	sid = cred_sid(cred);
 	isec = inode->i_security;
 
-	return avc_has_perm_flags(sid, isec->sid, isec->sclass, perms, adp, flags);
+	return avc_has_perm(sid, isec->sid, isec->sclass, perms, adp);
 }
 
 /* Same as inode_has_perm, but pass explicit audit data containing
@@ -1591,7 +1590,7 @@ static inline int dentry_has_perm(const struct cred *cred,
 
 	ad.type = LSM_AUDIT_DATA_DENTRY;
 	ad.u.dentry = dentry;
-	return inode_has_perm(cred, inode, av, &ad, 0);
+	return inode_has_perm(cred, inode, av, &ad);
 }
 
 /* Same as inode_has_perm, but pass explicit audit data containing
@@ -1606,7 +1605,7 @@ static inline int path_has_perm(const struct cred *cred,
 
 	ad.type = LSM_AUDIT_DATA_PATH;
 	ad.u.path = *path;
-	return inode_has_perm(cred, inode, av, &ad, 0);
+	return inode_has_perm(cred, inode, av, &ad);
 }
 
 /* Same as path_has_perm, but uses the inode from the file struct. */
@@ -1618,7 +1617,7 @@ static inline int file_path_has_perm(const struct cred *cred,
 
 	ad.type = LSM_AUDIT_DATA_PATH;
 	ad.u.path = file->f_path;
-	return inode_has_perm(cred, file_inode(file), av, &ad, 0);
+	return inode_has_perm(cred, file_inode(file), av, &ad);
 }
 
 /* Check whether a task can use an open file descriptor to
@@ -1654,7 +1653,7 @@ static int file_has_perm(const struct cred *cred,
 	/* av is zero if only checking access to the descriptor. */
 	rc = 0;
 	if (av)
-		rc = inode_has_perm(cred, inode, av, &ad, 0);
+		rc = inode_has_perm(cred, inode, av, &ad);
 
 out:
 	return rc;
@@ -2624,7 +2623,8 @@ static int selinux_dentry_init_security(struct dentry *dentry, int mode,
 }
 
 static int selinux_inode_init_security(struct inode *inode, struct inode *dir,
-				       const struct qstr *qstr, char **name,
+				       const struct qstr *qstr,
+				       const char **name,
 				       void **value, size_t *len)
 {
 	const struct task_security_struct *tsec = current_security();
@@ -2632,7 +2632,7 @@ static int selinux_inode_init_security(struct inode *inode, struct inode *dir,
 	struct superblock_security_struct *sbsec;
 	u32 sid, newsid, clen;
 	int rc;
-	char *namep = NULL, *context;
+	char *context;
 
 	dsec = dir->i_security;
 	sbsec = dir->i_sb->s_security;
@@ -2668,19 +2668,13 @@ static int selinux_inode_init_security(struct inode *inode, struct inode *dir,
 	if (!ss_initialized || !(sbsec->flags & SBLABEL_MNT))
 		return -EOPNOTSUPP;
 
-	if (name) {
-		namep = kstrdup(XATTR_SELINUX_SUFFIX, GFP_NOFS);
-		if (!namep)
-			return -ENOMEM;
-		*name = namep;
-	}
+	if (name)
+		*name = XATTR_SELINUX_SUFFIX;
 
 	if (value && len) {
 		rc = security_sid_to_context_force(newsid, &context, &clen);
-		if (rc) {
-			kfree(namep);
+		if (rc)
 			return rc;
-		}
 		*value = context;
 		*len = clen;
 	}
diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h
index 92d0ab561db8..f53ee3c58d0f 100644
--- a/security/selinux/include/avc.h
+++ b/security/selinux/include/avc.h
@@ -130,7 +130,7 @@ static inline int avc_audit(u32 ssid, u32 tsid,
 			    u16 tclass, u32 requested,
 			    struct av_decision *avd,
 			    int result,
-			    struct common_audit_data *a, unsigned flags)
+			    struct common_audit_data *a)
 {
 	u32 audited, denied;
 	audited = avc_audit_required(requested, avd, result, 0, &denied);
@@ -138,7 +138,7 @@ static inline int avc_audit(u32 ssid, u32 tsid,
 		return 0;
 	return slow_avc_audit(ssid, tsid, tclass,
 			      requested, audited, denied,
-			      a, flags);
+			      a, 0);
 }
 
 #define AVC_STRICT 1 /* Ignore permissive mode. */
@@ -147,17 +147,9 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
 			 unsigned flags,
 			 struct av_decision *avd);
 
-int avc_has_perm_flags(u32 ssid, u32 tsid,
-		       u16 tclass, u32 requested,
-		       struct common_audit_data *auditdata,
-		       unsigned);
-
-static inline int avc_has_perm(u32 ssid, u32 tsid,
-			       u16 tclass, u32 requested,
-			       struct common_audit_data *auditdata)
-{
-	return avc_has_perm_flags(ssid, tsid, tclass, requested, auditdata, 0);
-}
+int avc_has_perm(u32 ssid, u32 tsid,
+		 u16 tclass, u32 requested,
+		 struct common_audit_data *auditdata);
 
 u32 avc_policy_seqno(void);
 
diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h
index 7605251936f5..0dec76c64cf5 100644
--- a/security/selinux/include/xfrm.h
+++ b/security/selinux/include/xfrm.h
@@ -42,8 +42,13 @@ int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall);
 
 static inline void selinux_xfrm_notify_policyload(void)
 {
+	struct net *net;
+
 	atomic_inc(&flow_cache_genid);
-	rt_genid_bump(&init_net);
+	rtnl_lock();
+	for_each_net(net)
+		rt_genid_bump_all(net);
+	rtnl_unlock();
 }
 #else
 static inline int selinux_xfrm_enabled(void)