LSM: Switch to lists of hooks

Instead of using a vector of security operations
with explicit, special case stacking of the capability
and yama hooks use lists of hooks with capability and
yama hooks included as appropriate.

The security_operations structure is no longer required.
Instead, there is a union of the function pointers that
allows all the hooks lists to use a common mechanism for
list management while retaining typing. Each module
supplies an array describing the hooks it provides instead
of a sparsely populated security_operations structure.
The description includes the element that gets put on
the hook list, avoiding the issues surrounding individual
element allocation.

The method for registering security modules is changed to
reflect the information available. The method for removing
a module, currently only used by SELinux, has also changed.
It should be generic now, however if there are potential
race conditions based on ordering of hook removal that needs
to be addressed by the calling module.

The security hooks are called from the lists and the first
failure is returned.

Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Acked-by: John Johansen <john.johansen@canonical.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Paul Moore <paul@paul-moore.com>
Acked-by:  Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <james.l.morris@oracle.com>

1 files changed, 474 insertions, 96 deletions

diff --git a/security/security.c b/security/security.c
index 02dc72006afa..bd4c5f6a5b78 100644
--- a/security/security.c
+++ b/security/security.c
@@ -29,24 +29,13 @@
 
 #define MAX_LSM_EVM_XATTR	2
 
+/* Maximum number of letters for an LSM name string */
+#define SECURITY_NAME_MAX	10
+
 /* Boot-time LSM user choice */
 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
 	CONFIG_DEFAULT_SECURITY;
 
-static struct security_operations *security_ops;
-static struct security_operations default_security_ops = {
-	.name	= "default",
-};
-
-static inline int __init verify(struct security_operations *ops)
-{
-	/* verify the security_operations structure exists */
-	if (!ops)
-		return -EINVAL;
-	security_fixup_ops(ops);
-	return 0;
-}
-
 static void __init do_security_initcalls(void)
 {
 	initcall_t *call;
@@ -64,20 +53,27 @@ static void __init do_security_initcalls(void)
  */
 int __init security_init(void)
 {
-	printk(KERN_INFO "Security Framework initialized\n");
+	pr_info("Security Framework initialized\n");
 
-	security_fixup_ops(&default_security_ops);
-	security_ops = &default_security_ops;
+	/*
+	 * Always load the capability module.
+	 */
+	capability_add_hooks();
+#ifdef CONFIG_SECURITY_YAMA_STACKED
+	/*
+	 * If Yama is configured for stacking load it next.
+	 */
+	yama_add_hooks();
+#endif
+	/*
+	 * Load the chosen module if there is one.
+	 * This will also find yama if it is stacking
+	 */
 	do_security_initcalls();
 
 	return 0;
 }
 
-void reset_security_ops(void)
-{
-	security_ops = &default_security_ops;
-}
-
 /* Save user chosen LSM */
 static int __init choose_lsm(char *str)
 {
@@ -88,7 +84,7 @@ __setup("security=", choose_lsm);
 
 /**
  * security_module_enable - Load given security module on boot ?
- * @ops: a pointer to the struct security_operations that is to be checked.
+ * @module: the name of the module
  *
  * Each LSM must pass this method before registering its own operations
  * to avoid security registration races. This method may also be used
@@ -100,41 +96,13 @@ __setup("security=", choose_lsm);
  *	 choose an alternate LSM at boot time.
  * Otherwise, return false.
  */
-int __init security_module_enable(struct security_operations *ops)
+int __init security_module_enable(const char *module)
 {
-	return !strcmp(ops->name, chosen_lsm);
-}
-
-/**
- * register_security - registers a security framework with the kernel
- * @ops: a pointer to the struct security_options that is to be registered
- *
- * This function allows a security module to register itself with the
- * kernel security subsystem.  Some rudimentary checking is done on the @ops
- * value passed to this function. You'll need to check first if your LSM
- * is allowed to register its @ops by calling security_module_enable(@ops).
- *
- * If there is already a security module registered with the kernel,
- * an error will be returned.  Otherwise %0 is returned on success.
- */
-int __init register_security(struct security_operations *ops)
-{
-	if (verify(ops)) {
-		printk(KERN_DEBUG "%s could not verify "
-		       "security_operations structure.\n", __func__);
-		return -EINVAL;
-	}
-
-	if (security_ops != &default_security_ops)
-		return -EAGAIN;
-
-	security_ops = ops;
-
-	return 0;
+	return !strcmp(module, chosen_lsm);
 }
 
 /*
- * Hook operation macros.
+ * Hook list operation macros.
  *
  * call_void_hook:
  *	This is a hook that does not return a value.
@@ -143,8 +111,27 @@ int __init register_security(struct security_operations *ops)
  *	This is a hook that returns a value.
  */
 
-#define call_void_hook(FUNC, ...)	security_ops->FUNC(__VA_ARGS__)
-#define call_int_hook(FUNC, IRC, ...)	security_ops->FUNC(__VA_ARGS__)
+#define call_void_hook(FUNC, ...)				\
+	do {							\
+		struct security_hook_list *P;			\
+								\
+		list_for_each_entry(P, &security_hook_heads.FUNC, list)	\
+			P->hook.FUNC(__VA_ARGS__);		\
+	} while (0)
+
+#define call_int_hook(FUNC, IRC, ...) ({			\
+	int RC = IRC;						\
+	do {							\
+		struct security_hook_list *P;			\
+								\
+		list_for_each_entry(P, &security_hook_heads.FUNC, list) { \
+			RC = P->hook.FUNC(__VA_ARGS__);		\
+			if (RC != 0)				\
+				break;				\
+		}						\
+	} while (0);						\
+	RC;							\
+})
 
 /* Security operations */
 
@@ -173,23 +160,11 @@ int security_binder_transfer_file(struct task_struct *from,
 
 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
 {
-#ifdef CONFIG_SECURITY_YAMA_STACKED
-	int rc;
-	rc = yama_ptrace_access_check(child, mode);
-	if (rc)
-		return rc;
-#endif
 	return call_int_hook(ptrace_access_check, 0, child, mode);
 }
 
 int security_ptrace_traceme(struct task_struct *parent)
 {
-#ifdef CONFIG_SECURITY_YAMA_STACKED
-	int rc;
-	rc = yama_ptrace_traceme(parent);
-	if (rc)
-		return rc;
-#endif
 	return call_int_hook(ptrace_traceme, 0, parent);
 }
 
@@ -245,7 +220,25 @@ int security_settime(const struct timespec *ts, const struct timezone *tz)
 
 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
 {
-	return call_int_hook(vm_enough_memory, 0, mm, pages);
+	struct security_hook_list *hp;
+	int cap_sys_admin = 1;
+	int rc;
+
+	/*
+	 * The module will respond with a positive value if
+	 * it thinks the __vm_enough_memory() call should be
+	 * made with the cap_sys_admin set. If all of the modules
+	 * agree that it should be set it will. If any module
+	 * thinks it should not be set it won't.
+	 */
+	list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) {
+		rc = hp->hook.vm_enough_memory(mm, pages);
+		if (rc <= 0) {
+			cap_sys_admin = 0;
+			break;
+		}
+	}
+	return __vm_enough_memory(mm, pages, cap_sys_admin);
 }
 
 int security_bprm_set_creds(struct linux_binprm *bprm)
@@ -335,8 +328,9 @@ int security_sb_set_mnt_opts(struct super_block *sb,
 				unsigned long kern_flags,
 				unsigned long *set_kern_flags)
 {
-	return call_int_hook(sb_set_mnt_opts, 0, sb, opts, kern_flags,
-						set_kern_flags);
+	return call_int_hook(sb_set_mnt_opts,
+				opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb,
+				opts, kern_flags, set_kern_flags);
 }
 EXPORT_SYMBOL(security_sb_set_mnt_opts);
 
@@ -369,8 +363,8 @@ int security_dentry_init_security(struct dentry *dentry, int mode,
 					struct qstr *name, void **ctx,
 					u32 *ctxlen)
 {
-	return call_int_hook(dentry_init_security, 0, dentry, mode, name,
-							ctx, ctxlen);
+	return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
+				name, ctx, ctxlen);
 }
 EXPORT_SYMBOL(security_dentry_init_security);
 
@@ -390,7 +384,7 @@ int security_inode_init_security(struct inode *inode, struct inode *dir,
 							 NULL, NULL, NULL);
 	memset(new_xattrs, 0, sizeof(new_xattrs));
 	lsm_xattr = new_xattrs;
-	ret = call_int_hook(inode_init_security, 0, inode, dir, qstr,
+	ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
 						&lsm_xattr->name,
 						&lsm_xattr->value,
 						&lsm_xattr->value_len);
@@ -636,8 +630,15 @@ int security_inode_setxattr(struct dentry *dentry, const char *name,
 
 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 		return 0;
-	ret = call_int_hook(inode_setxattr, 0, dentry, name, value, size,
+	/*
+	 * SELinux and Smack integrate the cap call,
+	 * so assume that all LSMs supplying this call do so.
+	 */
+	ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size,
 				flags);
+
+	if (ret == 1)
+		ret = cap_inode_setxattr(dentry, name, value, size, flags);
 	if (ret)
 		return ret;
 	ret = ima_inode_setxattr(dentry, name, value, size);
@@ -675,7 +676,13 @@ int security_inode_removexattr(struct dentry *dentry, const char *name)
 
 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 		return 0;
-	ret = call_int_hook(inode_removexattr, 0, dentry, name);
+	/*
+	 * SELinux and Smack integrate the cap call,
+	 * so assume that all LSMs supplying this call do so.
+	 */
+	ret = call_int_hook(inode_removexattr, 1, dentry, name);
+	if (ret == 1)
+		ret = cap_inode_removexattr(dentry, name);
 	if (ret)
 		return ret;
 	ret = ima_inode_removexattr(dentry, name);
@@ -698,15 +705,16 @@ int security_inode_getsecurity(const struct inode *inode, const char *name, void
 {
 	if (unlikely(IS_PRIVATE(inode)))
 		return -EOPNOTSUPP;
-	return call_int_hook(inode_getsecurity, 0, inode, name, buffer, alloc);
+	return call_int_hook(inode_getsecurity, -EOPNOTSUPP, inode, name,
+				buffer, alloc);
 }
 
 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
 {
 	if (unlikely(IS_PRIVATE(inode)))
 		return -EOPNOTSUPP;
-	return call_int_hook(inode_setsecurity, 0, inode, name, value, size,
-				flags);
+	return call_int_hook(inode_setsecurity, -EOPNOTSUPP, inode, name,
+				value, size, flags);
 }
 
 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
@@ -847,9 +855,6 @@ int security_task_create(unsigned long clone_flags)
 
 void security_task_free(struct task_struct *task)
 {
-#ifdef CONFIG_SECURITY_YAMA_STACKED
-	yama_task_free(task);
-#endif
 	call_void_hook(task_free, task);
 }
 
@@ -932,6 +937,7 @@ int security_task_getsid(struct task_struct *p)
 
 void security_task_getsecid(struct task_struct *p, u32 *secid)
 {
+	*secid = 0;
 	call_void_hook(task_getsecid, p, secid);
 }
 EXPORT_SYMBOL(security_task_getsecid);
@@ -986,13 +992,19 @@ int security_task_wait(struct task_struct *p)
 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
 			 unsigned long arg4, unsigned long arg5)
 {
-#ifdef CONFIG_SECURITY_YAMA_STACKED
-	int rc;
-	rc = yama_task_prctl(option, arg2, arg3, arg4, arg5);
-	if (rc != -ENOSYS)
-		return rc;
-#endif
-	return call_int_hook(task_prctl, 0, option, arg2, arg3, arg4, arg5);
+	int thisrc;
+	int rc = -ENOSYS;
+	struct security_hook_list *hp;
+
+	list_for_each_entry(hp, &security_hook_heads.task_prctl, list) {
+		thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5);
+		if (thisrc != -ENOSYS) {
+			rc = thisrc;
+			if (thisrc != 0)
+				break;
+		}
+	}
+	return rc;
 }
 
 void security_task_to_inode(struct task_struct *p, struct inode *inode)
@@ -1007,6 +1019,7 @@ int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
 
 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
 {
+	*secid = 0;
 	call_void_hook(ipc_getsecid, ipcp, secid);
 }
 
@@ -1113,12 +1126,12 @@ EXPORT_SYMBOL(security_d_instantiate);
 
 int security_getprocattr(struct task_struct *p, char *name, char **value)
 {
-	return call_int_hook(getprocattr, 0, p, name, value);
+	return call_int_hook(getprocattr, -EINVAL, p, name, value);
 }
 
 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
 {
-	return call_int_hook(setprocattr, 0, p, name, value, size);
+	return call_int_hook(setprocattr, -EINVAL, p, name, value, size);
 }
 
 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
@@ -1134,12 +1147,14 @@ EXPORT_SYMBOL(security_ismaclabel);
 
 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
 {
-	return call_int_hook(secid_to_secctx, 0, secid, secdata, seclen);
+	return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
+				seclen);
 }
 EXPORT_SYMBOL(security_secid_to_secctx);
 
 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
 {
+	*secid = 0;
 	return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
 }
 EXPORT_SYMBOL(security_secctx_to_secid);
@@ -1164,7 +1179,7 @@ EXPORT_SYMBOL(security_inode_setsecctx);
 
 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
 {
-	return call_int_hook(inode_getsecctx, 0, inode, ctx, ctxlen);
+	return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
 }
 EXPORT_SYMBOL(security_inode_getsecctx);
 
@@ -1259,8 +1274,8 @@ EXPORT_SYMBOL(security_sock_rcv_skb);
 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
 				      int __user *optlen, unsigned len)
 {
-	return call_int_hook(socket_getpeersec_stream, 0, sock, optval,
-				optlen, len);
+	return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock,
+				optval, optlen, len);
 }
 
 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
@@ -1438,7 +1453,24 @@ int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
 				       struct xfrm_policy *xp,
 				       const struct flowi *fl)
 {
-	return call_int_hook(xfrm_state_pol_flow_match, 0, x, xp, fl);
+	struct security_hook_list *hp;
+	int rc = 1;
+
+	/*
+	 * Since this function is expected to return 0 or 1, the judgment
+	 * becomes difficult if multiple LSMs supply this call. Fortunately,
+	 * we can use the first LSM's judgment because currently only SELinux
+	 * supplies this call.
+	 *
+	 * For speed optimization, we explicitly break the loop rather than
+	 * using the macro
+	 */
+	list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match,
+				list) {
+		rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl);
+		break;
+	}
+	return rc;
 }
 
 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
@@ -1478,6 +1510,7 @@ int security_key_permission(key_ref_t key_ref,
 
 int security_key_getsecurity(struct key *key, char **_buffer)
 {
+	*_buffer = NULL;
 	return call_int_hook(key_getsecurity, 0, key, _buffer);
 }
 
@@ -1506,5 +1539,350 @@ int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
 	return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
 				actx);
 }
+#endif /* CONFIG_AUDIT */
 
+struct security_hook_heads security_hook_heads = {
+	.binder_set_context_mgr =
+		LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr),
+	.binder_transaction =
+		LIST_HEAD_INIT(security_hook_heads.binder_transaction),
+	.binder_transfer_binder =
+		LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder),
+	.binder_transfer_file =
+		LIST_HEAD_INIT(security_hook_heads.binder_transfer_file),
+
+	.ptrace_access_check =
+		LIST_HEAD_INIT(security_hook_heads.ptrace_access_check),
+	.ptrace_traceme =
+		LIST_HEAD_INIT(security_hook_heads.ptrace_traceme),
+	.capget =	LIST_HEAD_INIT(security_hook_heads.capget),
+	.capset =	LIST_HEAD_INIT(security_hook_heads.capset),
+	.capable =	LIST_HEAD_INIT(security_hook_heads.capable),
+	.quotactl =	LIST_HEAD_INIT(security_hook_heads.quotactl),
+	.quota_on =	LIST_HEAD_INIT(security_hook_heads.quota_on),
+	.syslog =	LIST_HEAD_INIT(security_hook_heads.syslog),
+	.settime =	LIST_HEAD_INIT(security_hook_heads.settime),
+	.vm_enough_memory =
+		LIST_HEAD_INIT(security_hook_heads.vm_enough_memory),
+	.bprm_set_creds =
+		LIST_HEAD_INIT(security_hook_heads.bprm_set_creds),
+	.bprm_check_security =
+		LIST_HEAD_INIT(security_hook_heads.bprm_check_security),
+	.bprm_secureexec =
+		LIST_HEAD_INIT(security_hook_heads.bprm_secureexec),
+	.bprm_committing_creds =
+		LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds),
+	.bprm_committed_creds =
+		LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds),
+	.sb_alloc_security =
+		LIST_HEAD_INIT(security_hook_heads.sb_alloc_security),
+	.sb_free_security =
+		LIST_HEAD_INIT(security_hook_heads.sb_free_security),
+	.sb_copy_data =	LIST_HEAD_INIT(security_hook_heads.sb_copy_data),
+	.sb_remount =	LIST_HEAD_INIT(security_hook_heads.sb_remount),
+	.sb_kern_mount =
+		LIST_HEAD_INIT(security_hook_heads.sb_kern_mount),
+	.sb_show_options =
+		LIST_HEAD_INIT(security_hook_heads.sb_show_options),
+	.sb_statfs =	LIST_HEAD_INIT(security_hook_heads.sb_statfs),
+	.sb_mount =	LIST_HEAD_INIT(security_hook_heads.sb_mount),
+	.sb_umount =	LIST_HEAD_INIT(security_hook_heads.sb_umount),
+	.sb_pivotroot =	LIST_HEAD_INIT(security_hook_heads.sb_pivotroot),
+	.sb_set_mnt_opts =
+		LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts),
+	.sb_clone_mnt_opts =
+		LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts),
+	.sb_parse_opts_str =
+		LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
+	.dentry_init_security =
+		LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
+#ifdef CONFIG_SECURITY_PATH
+	.path_unlink =	LIST_HEAD_INIT(security_hook_heads.path_unlink),
+	.path_mkdir =	LIST_HEAD_INIT(security_hook_heads.path_mkdir),
+	.path_rmdir =	LIST_HEAD_INIT(security_hook_heads.path_rmdir),
+	.path_mknod =	LIST_HEAD_INIT(security_hook_heads.path_mknod),
+	.path_truncate =
+		LIST_HEAD_INIT(security_hook_heads.path_truncate),
+	.path_symlink =	LIST_HEAD_INIT(security_hook_heads.path_symlink),
+	.path_link =	LIST_HEAD_INIT(security_hook_heads.path_link),
+	.path_rename =	LIST_HEAD_INIT(security_hook_heads.path_rename),
+	.path_chmod =	LIST_HEAD_INIT(security_hook_heads.path_chmod),
+	.path_chown =	LIST_HEAD_INIT(security_hook_heads.path_chown),
+	.path_chroot =	LIST_HEAD_INIT(security_hook_heads.path_chroot),
+#endif
+	.inode_alloc_security =
+		LIST_HEAD_INIT(security_hook_heads.inode_alloc_security),
+	.inode_free_security =
+		LIST_HEAD_INIT(security_hook_heads.inode_free_security),
+	.inode_init_security =
+		LIST_HEAD_INIT(security_hook_heads.inode_init_security),
+	.inode_create =	LIST_HEAD_INIT(security_hook_heads.inode_create),
+	.inode_link =	LIST_HEAD_INIT(security_hook_heads.inode_link),
+	.inode_unlink =	LIST_HEAD_INIT(security_hook_heads.inode_unlink),
+	.inode_symlink =
+		LIST_HEAD_INIT(security_hook_heads.inode_symlink),
+	.inode_mkdir =	LIST_HEAD_INIT(security_hook_heads.inode_mkdir),
+	.inode_rmdir =	LIST_HEAD_INIT(security_hook_heads.inode_rmdir),
+	.inode_mknod =	LIST_HEAD_INIT(security_hook_heads.inode_mknod),
+	.inode_rename =	LIST_HEAD_INIT(security_hook_heads.inode_rename),
+	.inode_readlink =
+		LIST_HEAD_INIT(security_hook_heads.inode_readlink),
+	.inode_follow_link =
+		LIST_HEAD_INIT(security_hook_heads.inode_follow_link),
+	.inode_permission =
+		LIST_HEAD_INIT(security_hook_heads.inode_permission),
+	.inode_setattr =
+		LIST_HEAD_INIT(security_hook_heads.inode_setattr),
+	.inode_getattr =
+		LIST_HEAD_INIT(security_hook_heads.inode_getattr),
+	.inode_setxattr =
+		LIST_HEAD_INIT(security_hook_heads.inode_setxattr),
+	.inode_post_setxattr =
+		LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr),
+	.inode_getxattr =
+		LIST_HEAD_INIT(security_hook_heads.inode_getxattr),
+	.inode_listxattr =
+		LIST_HEAD_INIT(security_hook_heads.inode_listxattr),
+	.inode_removexattr =
+		LIST_HEAD_INIT(security_hook_heads.inode_removexattr),
+	.inode_need_killpriv =
+		LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv),
+	.inode_killpriv =
+		LIST_HEAD_INIT(security_hook_heads.inode_killpriv),
+	.inode_getsecurity =
+		LIST_HEAD_INIT(security_hook_heads.inode_getsecurity),
+	.inode_setsecurity =
+		LIST_HEAD_INIT(security_hook_heads.inode_setsecurity),
+	.inode_listsecurity =
+		LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
+	.inode_getsecid =
+		LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
+	.file_permission =
+		LIST_HEAD_INIT(security_hook_heads.file_permission),
+	.file_alloc_security =
+		LIST_HEAD_INIT(security_hook_heads.file_alloc_security),
+	.file_free_security =
+		LIST_HEAD_INIT(security_hook_heads.file_free_security),
+	.file_ioctl =	LIST_HEAD_INIT(security_hook_heads.file_ioctl),
+	.mmap_addr =	LIST_HEAD_INIT(security_hook_heads.mmap_addr),
+	.mmap_file =	LIST_HEAD_INIT(security_hook_heads.mmap_file),
+	.file_mprotect =
+		LIST_HEAD_INIT(security_hook_heads.file_mprotect),
+	.file_lock =	LIST_HEAD_INIT(security_hook_heads.file_lock),
+	.file_fcntl =	LIST_HEAD_INIT(security_hook_heads.file_fcntl),
+	.file_set_fowner =
+		LIST_HEAD_INIT(security_hook_heads.file_set_fowner),
+	.file_send_sigiotask =
+		LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask),
+	.file_receive =	LIST_HEAD_INIT(security_hook_heads.file_receive),
+	.file_open =	LIST_HEAD_INIT(security_hook_heads.file_open),
+	.task_create =	LIST_HEAD_INIT(security_hook_heads.task_create),
+	.task_free =	LIST_HEAD_INIT(security_hook_heads.task_free),
+	.cred_alloc_blank =
+		LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank),
+	.cred_free =	LIST_HEAD_INIT(security_hook_heads.cred_free),
+	.cred_prepare =	LIST_HEAD_INIT(security_hook_heads.cred_prepare),
+	.cred_transfer =
+		LIST_HEAD_INIT(security_hook_heads.cred_transfer),
+	.kernel_act_as =
+		LIST_HEAD_INIT(security_hook_heads.kernel_act_as),
+	.kernel_create_files_as =
+		LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as),
+	.kernel_fw_from_file =
+		LIST_HEAD_INIT(security_hook_heads.kernel_fw_from_file),
+	.kernel_module_request =
+		LIST_HEAD_INIT(security_hook_heads.kernel_module_request),
+	.kernel_module_from_file =
+		LIST_HEAD_INIT(security_hook_heads.kernel_module_from_file),
+	.task_fix_setuid =
+		LIST_HEAD_INIT(security_hook_heads.task_fix_setuid),
+	.task_setpgid =	LIST_HEAD_INIT(security_hook_heads.task_setpgid),
+	.task_getpgid =	LIST_HEAD_INIT(security_hook_heads.task_getpgid),
+	.task_getsid =	LIST_HEAD_INIT(security_hook_heads.task_getsid),
+	.task_getsecid =
+		LIST_HEAD_INIT(security_hook_heads.task_getsecid),
+	.task_setnice =	LIST_HEAD_INIT(security_hook_heads.task_setnice),
+	.task_setioprio =
+		LIST_HEAD_INIT(security_hook_heads.task_setioprio),
+	.task_getioprio =
+		LIST_HEAD_INIT(security_hook_heads.task_getioprio),
+	.task_setrlimit =
+		LIST_HEAD_INIT(security_hook_heads.task_setrlimit),
+	.task_setscheduler =
+		LIST_HEAD_INIT(security_hook_heads.task_setscheduler),
+	.task_getscheduler =
+		LIST_HEAD_INIT(security_hook_heads.task_getscheduler),
+	.task_movememory =
+		LIST_HEAD_INIT(security_hook_heads.task_movememory),
+	.task_kill =	LIST_HEAD_INIT(security_hook_heads.task_kill),
+	.task_wait =	LIST_HEAD_INIT(security_hook_heads.task_wait),
+	.task_prctl =	LIST_HEAD_INIT(security_hook_heads.task_prctl),
+	.task_to_inode =
+		LIST_HEAD_INIT(security_hook_heads.task_to_inode),
+	.ipc_permission =
+		LIST_HEAD_INIT(security_hook_heads.ipc_permission),
+	.ipc_getsecid =	LIST_HEAD_INIT(security_hook_heads.ipc_getsecid),
+	.msg_msg_alloc_security =
+		LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security),
+	.msg_msg_free_security =
+		LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security),
+	.msg_queue_alloc_security =
+		LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security),
+	.msg_queue_free_security =
+		LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security),
+	.msg_queue_associate =
+		LIST_HEAD_INIT(security_hook_heads.msg_queue_associate),
+	.msg_queue_msgctl =
+		LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl),
+	.msg_queue_msgsnd =
+		LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd),
+	.msg_queue_msgrcv =
+		LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv),
+	.shm_alloc_security =
+		LIST_HEAD_INIT(security_hook_heads.shm_alloc_security),
+	.shm_free_security =
+		LIST_HEAD_INIT(security_hook_heads.shm_free_security),
+	.shm_associate =
+		LIST_HEAD_INIT(security_hook_heads.shm_associate),
+	.shm_shmctl =	LIST_HEAD_INIT(security_hook_heads.shm_shmctl),
+	.shm_shmat =	LIST_HEAD_INIT(security_hook_heads.shm_shmat),
+	.sem_alloc_security =
+		LIST_HEAD_INIT(security_hook_heads.sem_alloc_security),
+	.sem_free_security =
+		LIST_HEAD_INIT(security_hook_heads.sem_free_security),
+	.sem_associate =
+		LIST_HEAD_INIT(security_hook_heads.sem_associate),
+	.sem_semctl =	LIST_HEAD_INIT(security_hook_heads.sem_semctl),
+	.sem_semop =	LIST_HEAD_INIT(security_hook_heads.sem_semop),
+	.netlink_send =	LIST_HEAD_INIT(security_hook_heads.netlink_send),
+	.d_instantiate =
+		LIST_HEAD_INIT(security_hook_heads.d_instantiate),
+	.getprocattr =	LIST_HEAD_INIT(security_hook_heads.getprocattr),
+	.setprocattr =	LIST_HEAD_INIT(security_hook_heads.setprocattr),
+	.ismaclabel =	LIST_HEAD_INIT(security_hook_heads.ismaclabel),
+	.secid_to_secctx =
+		LIST_HEAD_INIT(security_hook_heads.secid_to_secctx),
+	.secctx_to_secid =
+		LIST_HEAD_INIT(security_hook_heads.secctx_to_secid),
+	.release_secctx =
+		LIST_HEAD_INIT(security_hook_heads.release_secctx),
+	.inode_notifysecctx =
+		LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx),
+	.inode_setsecctx =
+		LIST_HEAD_INIT(security_hook_heads.inode_setsecctx),
+	.inode_getsecctx =
+		LIST_HEAD_INIT(security_hook_heads.inode_getsecctx),
+#ifdef CONFIG_SECURITY_NETWORK
+	.unix_stream_connect =
+		LIST_HEAD_INIT(security_hook_heads.unix_stream_connect),
+	.unix_may_send =
+		LIST_HEAD_INIT(security_hook_heads.unix_may_send),
+	.socket_create =
+		LIST_HEAD_INIT(security_hook_heads.socket_create),
+	.socket_post_create =
+		LIST_HEAD_INIT(security_hook_heads.socket_post_create),
+	.socket_bind =	LIST_HEAD_INIT(security_hook_heads.socket_bind),
+	.socket_connect =
+		LIST_HEAD_INIT(security_hook_heads.socket_connect),
+	.socket_listen =
+		LIST_HEAD_INIT(security_hook_heads.socket_listen),
+	.socket_accept =
+		LIST_HEAD_INIT(security_hook_heads.socket_accept),
+	.socket_sendmsg =
+		LIST_HEAD_INIT(security_hook_heads.socket_sendmsg),
+	.socket_recvmsg =
+		LIST_HEAD_INIT(security_hook_heads.socket_recvmsg),
+	.socket_getsockname =
+		LIST_HEAD_INIT(security_hook_heads.socket_getsockname),
+	.socket_getpeername =
+		LIST_HEAD_INIT(security_hook_heads.socket_getpeername),
+	.socket_getsockopt =
+		LIST_HEAD_INIT(security_hook_heads.socket_getsockopt),
+	.socket_setsockopt =
+		LIST_HEAD_INIT(security_hook_heads.socket_setsockopt),
+	.socket_shutdown =
+		LIST_HEAD_INIT(security_hook_heads.socket_shutdown),
+	.socket_sock_rcv_skb =
+		LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb),
+	.socket_getpeersec_stream =
+		LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream),
+	.socket_getpeersec_dgram =
+		LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram),
+	.sk_alloc_security =
+		LIST_HEAD_INIT(security_hook_heads.sk_alloc_security),
+	.sk_free_security =
+		LIST_HEAD_INIT(security_hook_heads.sk_free_security),
+	.sk_clone_security =
+		LIST_HEAD_INIT(security_hook_heads.sk_clone_security),
+	.sk_getsecid =	LIST_HEAD_INIT(security_hook_heads.sk_getsecid),
+	.sock_graft =	LIST_HEAD_INIT(security_hook_heads.sock_graft),
+	.inet_conn_request =
+		LIST_HEAD_INIT(security_hook_heads.inet_conn_request),
+	.inet_csk_clone =
+		LIST_HEAD_INIT(security_hook_heads.inet_csk_clone),
+	.inet_conn_established =
+		LIST_HEAD_INIT(security_hook_heads.inet_conn_established),
+	.secmark_relabel_packet =
+		LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet),
+	.secmark_refcount_inc =
+		LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc),
+	.secmark_refcount_dec =
+		LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec),
+	.req_classify_flow =
+		LIST_HEAD_INIT(security_hook_heads.req_classify_flow),
+	.tun_dev_alloc_security =
+		LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security),
+	.tun_dev_free_security =
+		LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security),
+	.tun_dev_create =
+		LIST_HEAD_INIT(security_hook_heads.tun_dev_create),
+	.tun_dev_attach_queue =
+		LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue),
+	.tun_dev_attach =
+		LIST_HEAD_INIT(security_hook_heads.tun_dev_attach),
+	.tun_dev_open =	LIST_HEAD_INIT(security_hook_heads.tun_dev_open),
+	.skb_owned_by =	LIST_HEAD_INIT(security_hook_heads.skb_owned_by),
+#endif	/* CONFIG_SECURITY_NETWORK */
+#ifdef CONFIG_SECURITY_NETWORK_XFRM
+	.xfrm_policy_alloc_security =
+		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security),
+	.xfrm_policy_clone_security =
+		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security),
+	.xfrm_policy_free_security =
+		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security),
+	.xfrm_policy_delete_security =
+		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security),
+	.xfrm_state_alloc =
+		LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc),
+	.xfrm_state_alloc_acquire =
+		LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire),
+	.xfrm_state_free_security =
+		LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security),
+	.xfrm_state_delete_security =
+		LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security),
+	.xfrm_policy_lookup =
+		LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup),
+	.xfrm_state_pol_flow_match =
+		LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match),
+	.xfrm_decode_session =
+		LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session),
+#endif	/* CONFIG_SECURITY_NETWORK_XFRM */
+#ifdef CONFIG_KEYS
+	.key_alloc =	LIST_HEAD_INIT(security_hook_heads.key_alloc),
+	.key_free =	LIST_HEAD_INIT(security_hook_heads.key_free),
+	.key_permission =
+		LIST_HEAD_INIT(security_hook_heads.key_permission),
+	.key_getsecurity =
+		LIST_HEAD_INIT(security_hook_heads.key_getsecurity),
+#endif	/* CONFIG_KEYS */
+#ifdef CONFIG_AUDIT
+	.audit_rule_init =
+		LIST_HEAD_INIT(security_hook_heads.audit_rule_init),
+	.audit_rule_known =
+		LIST_HEAD_INIT(security_hook_heads.audit_rule_known),
+	.audit_rule_match =
+		LIST_HEAD_INIT(security_hook_heads.audit_rule_match),
+	.audit_rule_free =
+		LIST_HEAD_INIT(security_hook_heads.audit_rule_free),
 #endif /* CONFIG_AUDIT */
+};