These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / security / security.c
index 8e9b1f4..46f405c 100644 (file)
@@ -16,7 +16,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
-#include <linux/security.h>
+#include <linux/lsm_hooks.h>
 #include <linux/integrity.h>
 #include <linux/ima.h>
 #include <linux/evm.h>
 
 #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 +53,22 @@ 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");
+
+       /*
+        * Load minor LSMs, with the capability module always first.
+        */
+       capability_add_hooks();
+       yama_add_hooks();
 
-       security_fixup_ops(&default_security_ops);
-       security_ops = &default_security_ops;
+       /*
+        * Load all the remaining security modules.
+        */
        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 +79,7 @@ __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
@@ -100,84 +91,76 @@ __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);
+       return !strcmp(module, chosen_lsm);
 }
 
-/**
- * register_security - registers a security framework with the kernel
- * @ops: a pointer to the struct security_options that is to be registered
+/*
+ * Hook list operation macros.
  *
- * 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).
+ * call_void_hook:
+ *     This is a hook that does not return a value.
  *
- * If there is already a security module registered with the kernel,
- * an error will be returned.  Otherwise %0 is returned on success.
+ * call_int_hook:
+ *     This is a hook that returns a value.
  */
-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;
-}
+#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 */
 
 int security_binder_set_context_mgr(struct task_struct *mgr)
 {
-       return security_ops->binder_set_context_mgr(mgr);
+       return call_int_hook(binder_set_context_mgr, 0, mgr);
 }
 
 int security_binder_transaction(struct task_struct *from,
                                struct task_struct *to)
 {
-       return security_ops->binder_transaction(from, to);
+       return call_int_hook(binder_transaction, 0, from, to);
 }
 
 int security_binder_transfer_binder(struct task_struct *from,
                                    struct task_struct *to)
 {
-       return security_ops->binder_transfer_binder(from, to);
+       return call_int_hook(binder_transfer_binder, 0, from, to);
 }
 
 int security_binder_transfer_file(struct task_struct *from,
                                  struct task_struct *to, struct file *file)
 {
-       return security_ops->binder_transfer_file(from, to, file);
+       return call_int_hook(binder_transfer_file, 0, from, to, file);
 }
 
 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 security_ops->ptrace_access_check(child, mode);
+       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 security_ops->ptrace_traceme(parent);
+       return call_int_hook(ptrace_traceme, 0, parent);
 }
 
 int security_capget(struct task_struct *target,
@@ -185,7 +168,8 @@ int security_capget(struct task_struct *target,
                     kernel_cap_t *inheritable,
                     kernel_cap_t *permitted)
 {
-       return security_ops->capget(target, effective, inheritable, permitted);
+       return call_int_hook(capget, 0, target,
+                               effective, inheritable, permitted);
 }
 
 int security_capset(struct cred *new, const struct cred *old,
@@ -193,57 +177,75 @@ int security_capset(struct cred *new, const struct cred *old,
                    const kernel_cap_t *inheritable,
                    const kernel_cap_t *permitted)
 {
-       return security_ops->capset(new, old,
-                                   effective, inheritable, permitted);
+       return call_int_hook(capset, 0, new, old,
+                               effective, inheritable, permitted);
 }
 
 int security_capable(const struct cred *cred, struct user_namespace *ns,
                     int cap)
 {
-       return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT);
+       return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT);
 }
 
 int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
                             int cap)
 {
-       return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
+       return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT);
 }
 
 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
 {
-       return security_ops->quotactl(cmds, type, id, sb);
+       return call_int_hook(quotactl, 0, cmds, type, id, sb);
 }
 
 int security_quota_on(struct dentry *dentry)
 {
-       return security_ops->quota_on(dentry);
+       return call_int_hook(quota_on, 0, dentry);
 }
 
 int security_syslog(int type)
 {
-       return security_ops->syslog(type);
+       return call_int_hook(syslog, 0, type);
 }
 
 int security_settime(const struct timespec *ts, const struct timezone *tz)
 {
-       return security_ops->settime(ts, tz);
+       return call_int_hook(settime, 0, ts, tz);
 }
 
 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
 {
-       return security_ops->vm_enough_memory(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)
 {
-       return security_ops->bprm_set_creds(bprm);
+       return call_int_hook(bprm_set_creds, 0, bprm);
 }
 
 int security_bprm_check(struct linux_binprm *bprm)
 {
        int ret;
 
-       ret = security_ops->bprm_check_security(bprm);
+       ret = call_int_hook(bprm_check_security, 0, bprm);
        if (ret)
                return ret;
        return ima_bprm_check(bprm);
@@ -251,69 +253,69 @@ int security_bprm_check(struct linux_binprm *bprm)
 
 void security_bprm_committing_creds(struct linux_binprm *bprm)
 {
-       security_ops->bprm_committing_creds(bprm);
+       call_void_hook(bprm_committing_creds, bprm);
 }
 
 void security_bprm_committed_creds(struct linux_binprm *bprm)
 {
-       security_ops->bprm_committed_creds(bprm);
+       call_void_hook(bprm_committed_creds, bprm);
 }
 
 int security_bprm_secureexec(struct linux_binprm *bprm)
 {
-       return security_ops->bprm_secureexec(bprm);
+       return call_int_hook(bprm_secureexec, 0, bprm);
 }
 
 int security_sb_alloc(struct super_block *sb)
 {
-       return security_ops->sb_alloc_security(sb);
+       return call_int_hook(sb_alloc_security, 0, sb);
 }
 
 void security_sb_free(struct super_block *sb)
 {
-       security_ops->sb_free_security(sb);
+       call_void_hook(sb_free_security, sb);
 }
 
 int security_sb_copy_data(char *orig, char *copy)
 {
-       return security_ops->sb_copy_data(orig, copy);
+       return call_int_hook(sb_copy_data, 0, orig, copy);
 }
 EXPORT_SYMBOL(security_sb_copy_data);
 
 int security_sb_remount(struct super_block *sb, void *data)
 {
-       return security_ops->sb_remount(sb, data);
+       return call_int_hook(sb_remount, 0, sb, data);
 }
 
 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
 {
-       return security_ops->sb_kern_mount(sb, flags, data);
+       return call_int_hook(sb_kern_mount, 0, sb, flags, data);
 }
 
 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
 {
-       return security_ops->sb_show_options(m, sb);
+       return call_int_hook(sb_show_options, 0, m, sb);
 }
 
 int security_sb_statfs(struct dentry *dentry)
 {
-       return security_ops->sb_statfs(dentry);
+       return call_int_hook(sb_statfs, 0, dentry);
 }
 
 int security_sb_mount(const char *dev_name, struct path *path,
                        const char *type, unsigned long flags, void *data)
 {
-       return security_ops->sb_mount(dev_name, path, type, flags, data);
+       return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data);
 }
 
 int security_sb_umount(struct vfsmount *mnt, int flags)
 {
-       return security_ops->sb_umount(mnt, flags);
+       return call_int_hook(sb_umount, 0, mnt, flags);
 }
 
 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
 {
-       return security_ops->sb_pivotroot(old_path, new_path);
+       return call_int_hook(sb_pivotroot, 0, old_path, new_path);
 }
 
 int security_sb_set_mnt_opts(struct super_block *sb,
@@ -321,42 +323,43 @@ int security_sb_set_mnt_opts(struct super_block *sb,
                                unsigned long kern_flags,
                                unsigned long *set_kern_flags)
 {
-       return security_ops->sb_set_mnt_opts(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);
 
 int security_sb_clone_mnt_opts(const struct super_block *oldsb,
                                struct super_block *newsb)
 {
-       return security_ops->sb_clone_mnt_opts(oldsb, newsb);
+       return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb);
 }
 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
 
 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
 {
-       return security_ops->sb_parse_opts_str(options, opts);
+       return call_int_hook(sb_parse_opts_str, 0, options, opts);
 }
 EXPORT_SYMBOL(security_sb_parse_opts_str);
 
 int security_inode_alloc(struct inode *inode)
 {
        inode->i_security = NULL;
-       return security_ops->inode_alloc_security(inode);
+       return call_int_hook(inode_alloc_security, 0, inode);
 }
 
 void security_inode_free(struct inode *inode)
 {
        integrity_inode_free(inode);
-       security_ops->inode_free_security(inode);
+       call_void_hook(inode_free_security, inode);
 }
 
 int security_dentry_init_security(struct dentry *dentry, int mode,
                                        struct qstr *name, void **ctx,
                                        u32 *ctxlen)
 {
-       return security_ops->dentry_init_security(dentry, mode, name,
-                                                       ctx, ctxlen);
+       return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
+                               name, ctx, ctxlen);
 }
 EXPORT_SYMBOL(security_dentry_init_security);
 
@@ -372,11 +375,11 @@ int security_inode_init_security(struct inode *inode, struct inode *dir,
                return 0;
 
        if (!initxattrs)
-               return security_ops->inode_init_security(inode, dir, qstr,
-                                                        NULL, NULL, NULL);
+               return call_int_hook(inode_init_security, -EOPNOTSUPP, inode,
+                                    dir, qstr, NULL, NULL, NULL);
        memset(new_xattrs, 0, sizeof(new_xattrs));
        lsm_xattr = new_xattrs;
-       ret = security_ops->inode_init_security(inode, dir, qstr,
+       ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
                                                &lsm_xattr->name,
                                                &lsm_xattr->value,
                                                &lsm_xattr->value_len);
@@ -401,8 +404,8 @@ int security_old_inode_init_security(struct inode *inode, struct inode *dir,
 {
        if (unlikely(IS_PRIVATE(inode)))
                return -EOPNOTSUPP;
-       return security_ops->inode_init_security(inode, dir, qstr, name, value,
-                                                len);
+       return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir,
+                            qstr, name, value, len);
 }
 EXPORT_SYMBOL(security_old_inode_init_security);
 
@@ -412,7 +415,7 @@ int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
                return 0;
-       return security_ops->path_mknod(dir, dentry, mode, dev);
+       return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
 }
 EXPORT_SYMBOL(security_path_mknod);
 
@@ -420,7 +423,7 @@ int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
                return 0;
-       return security_ops->path_mkdir(dir, dentry, mode);
+       return call_int_hook(path_mkdir, 0, dir, dentry, mode);
 }
 EXPORT_SYMBOL(security_path_mkdir);
 
@@ -428,14 +431,14 @@ int security_path_rmdir(struct path *dir, struct dentry *dentry)
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
                return 0;
-       return security_ops->path_rmdir(dir, dentry);
+       return call_int_hook(path_rmdir, 0, dir, dentry);
 }
 
 int security_path_unlink(struct path *dir, struct dentry *dentry)
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
                return 0;
-       return security_ops->path_unlink(dir, dentry);
+       return call_int_hook(path_unlink, 0, dir, dentry);
 }
 EXPORT_SYMBOL(security_path_unlink);
 
@@ -444,7 +447,7 @@ int security_path_symlink(struct path *dir, struct dentry *dentry,
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
                return 0;
-       return security_ops->path_symlink(dir, dentry, old_name);
+       return call_int_hook(path_symlink, 0, dir, dentry, old_name);
 }
 
 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
@@ -452,7 +455,7 @@ int security_path_link(struct dentry *old_dentry, struct path *new_dir,
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
                return 0;
-       return security_ops->path_link(old_dentry, new_dir, new_dentry);
+       return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
 }
 
 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
@@ -464,14 +467,14 @@ int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
                return 0;
 
        if (flags & RENAME_EXCHANGE) {
-               int err = security_ops->path_rename(new_dir, new_dentry,
-                                                   old_dir, old_dentry);
+               int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
+                                       old_dir, old_dentry);
                if (err)
                        return err;
        }
 
-       return security_ops->path_rename(old_dir, old_dentry, new_dir,
-                                        new_dentry);
+       return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
+                               new_dentry);
 }
 EXPORT_SYMBOL(security_path_rename);
 
@@ -479,26 +482,26 @@ int security_path_truncate(struct path *path)
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
                return 0;
-       return security_ops->path_truncate(path);
+       return call_int_hook(path_truncate, 0, path);
 }
 
 int security_path_chmod(struct path *path, umode_t mode)
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
                return 0;
-       return security_ops->path_chmod(path, mode);
+       return call_int_hook(path_chmod, 0, path, mode);
 }
 
 int security_path_chown(struct path *path, kuid_t uid, kgid_t gid)
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
                return 0;
-       return security_ops->path_chown(path, uid, gid);
+       return call_int_hook(path_chown, 0, path, uid, gid);
 }
 
 int security_path_chroot(struct path *path)
 {
-       return security_ops->path_chroot(path);
+       return call_int_hook(path_chroot, 0, path);
 }
 #endif
 
@@ -506,7 +509,7 @@ int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode
 {
        if (unlikely(IS_PRIVATE(dir)))
                return 0;
-       return security_ops->inode_create(dir, dentry, mode);
+       return call_int_hook(inode_create, 0, dir, dentry, mode);
 }
 EXPORT_SYMBOL_GPL(security_inode_create);
 
@@ -515,14 +518,14 @@ int security_inode_link(struct dentry *old_dentry, struct inode *dir,
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
                return 0;
-       return security_ops->inode_link(old_dentry, dir, new_dentry);
+       return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
 }
 
 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
                return 0;
-       return security_ops->inode_unlink(dir, dentry);
+       return call_int_hook(inode_unlink, 0, dir, dentry);
 }
 
 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
@@ -530,14 +533,14 @@ int security_inode_symlink(struct inode *dir, struct dentry *dentry,
 {
        if (unlikely(IS_PRIVATE(dir)))
                return 0;
-       return security_ops->inode_symlink(dir, dentry, old_name);
+       return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
 }
 
 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 {
        if (unlikely(IS_PRIVATE(dir)))
                return 0;
-       return security_ops->inode_mkdir(dir, dentry, mode);
+       return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
 }
 EXPORT_SYMBOL_GPL(security_inode_mkdir);
 
@@ -545,14 +548,14 @@ int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
                return 0;
-       return security_ops->inode_rmdir(dir, dentry);
+       return call_int_hook(inode_rmdir, 0, dir, dentry);
 }
 
 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
 {
        if (unlikely(IS_PRIVATE(dir)))
                return 0;
-       return security_ops->inode_mknod(dir, dentry, mode, dev);
+       return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
 }
 
 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
@@ -564,13 +567,13 @@ int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
                return 0;
 
        if (flags & RENAME_EXCHANGE) {
-               int err = security_ops->inode_rename(new_dir, new_dentry,
+               int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
                                                     old_dir, old_dentry);
                if (err)
                        return err;
        }
 
-       return security_ops->inode_rename(old_dir, old_dentry,
+       return call_int_hook(inode_rename, 0, old_dir, old_dentry,
                                           new_dir, new_dentry);
 }
 
@@ -578,21 +581,22 @@ int security_inode_readlink(struct dentry *dentry)
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
                return 0;
-       return security_ops->inode_readlink(dentry);
+       return call_int_hook(inode_readlink, 0, dentry);
 }
 
-int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
+int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
+                              bool rcu)
 {
-       if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+       if (unlikely(IS_PRIVATE(inode)))
                return 0;
-       return security_ops->inode_follow_link(dentry, nd);
+       return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
 }
 
 int security_inode_permission(struct inode *inode, int mask)
 {
        if (unlikely(IS_PRIVATE(inode)))
                return 0;
-       return security_ops->inode_permission(inode, mask);
+       return call_int_hook(inode_permission, 0, inode, mask);
 }
 
 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
@@ -601,7 +605,7 @@ int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
 
        if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
                return 0;
-       ret = security_ops->inode_setattr(dentry, attr);
+       ret = call_int_hook(inode_setattr, 0, dentry, attr);
        if (ret)
                return ret;
        return evm_inode_setattr(dentry, attr);
@@ -612,7 +616,7 @@ int security_inode_getattr(const struct path *path)
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
                return 0;
-       return security_ops->inode_getattr(path);
+       return call_int_hook(inode_getattr, 0, path);
 }
 
 int security_inode_setxattr(struct dentry *dentry, const char *name,
@@ -622,7 +626,15 @@ int security_inode_setxattr(struct dentry *dentry, const char *name,
 
        if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
                return 0;
-       ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
+       /*
+        * 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);
@@ -636,7 +648,7 @@ void security_inode_post_setxattr(struct dentry *dentry, const char *name,
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
                return;
-       security_ops->inode_post_setxattr(dentry, name, value, size, flags);
+       call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
        evm_inode_post_setxattr(dentry, name, value, size);
 }
 
@@ -644,14 +656,14 @@ int security_inode_getxattr(struct dentry *dentry, const char *name)
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
                return 0;
-       return security_ops->inode_getxattr(dentry, name);
+       return call_int_hook(inode_getxattr, 0, dentry, name);
 }
 
 int security_inode_listxattr(struct dentry *dentry)
 {
        if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
                return 0;
-       return security_ops->inode_listxattr(dentry);
+       return call_int_hook(inode_listxattr, 0, dentry);
 }
 
 int security_inode_removexattr(struct dentry *dentry, const char *name)
@@ -660,7 +672,13 @@ int security_inode_removexattr(struct dentry *dentry, const char *name)
 
        if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
                return 0;
-       ret = security_ops->inode_removexattr(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);
@@ -671,46 +689,48 @@ int security_inode_removexattr(struct dentry *dentry, const char *name)
 
 int security_inode_need_killpriv(struct dentry *dentry)
 {
-       return security_ops->inode_need_killpriv(dentry);
+       return call_int_hook(inode_need_killpriv, 0, dentry);
 }
 
 int security_inode_killpriv(struct dentry *dentry)
 {
-       return security_ops->inode_killpriv(dentry);
+       return call_int_hook(inode_killpriv, 0, dentry);
 }
 
 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
 {
        if (unlikely(IS_PRIVATE(inode)))
                return -EOPNOTSUPP;
-       return security_ops->inode_getsecurity(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 security_ops->inode_setsecurity(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)
 {
        if (unlikely(IS_PRIVATE(inode)))
                return 0;
-       return security_ops->inode_listsecurity(inode, buffer, buffer_size);
+       return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
 }
 EXPORT_SYMBOL(security_inode_listsecurity);
 
 void security_inode_getsecid(const struct inode *inode, u32 *secid)
 {
-       security_ops->inode_getsecid(inode, secid);
+       call_void_hook(inode_getsecid, inode, secid);
 }
 
 int security_file_permission(struct file *file, int mask)
 {
        int ret;
 
-       ret = security_ops->file_permission(file, mask);
+       ret = call_int_hook(file_permission, 0, file, mask);
        if (ret)
                return ret;
 
@@ -719,17 +739,17 @@ int security_file_permission(struct file *file, int mask)
 
 int security_file_alloc(struct file *file)
 {
-       return security_ops->file_alloc_security(file);
+       return call_int_hook(file_alloc_security, 0, file);
 }
 
 void security_file_free(struct file *file)
 {
-       security_ops->file_free_security(file);
+       call_void_hook(file_free_security, file);
 }
 
 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-       return security_ops->file_ioctl(file, cmd, arg);
+       return call_int_hook(file_ioctl, 0, file, cmd, arg);
 }
 
 static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
@@ -751,7 +771,7 @@ static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
         * ditto if it's not on noexec mount, except that on !MMU we need
         * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
         */
-       if (!(file->f_path.mnt->mnt_flags & MNT_NOEXEC)) {
+       if (!path_noexec(&file->f_path)) {
 #ifndef CONFIG_MMU
                if (file->f_op->mmap_capabilities) {
                        unsigned caps = file->f_op->mmap_capabilities(file);
@@ -769,7 +789,7 @@ int security_mmap_file(struct file *file, unsigned long prot,
                        unsigned long flags)
 {
        int ret;
-       ret = security_ops->mmap_file(file, prot,
+       ret = call_int_hook(mmap_file, 0, file, prot,
                                        mmap_prot(file, prot), flags);
        if (ret)
                return ret;
@@ -778,46 +798,46 @@ int security_mmap_file(struct file *file, unsigned long prot,
 
 int security_mmap_addr(unsigned long addr)
 {
-       return security_ops->mmap_addr(addr);
+       return call_int_hook(mmap_addr, 0, addr);
 }
 
 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
                            unsigned long prot)
 {
-       return security_ops->file_mprotect(vma, reqprot, prot);
+       return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
 }
 
 int security_file_lock(struct file *file, unsigned int cmd)
 {
-       return security_ops->file_lock(file, cmd);
+       return call_int_hook(file_lock, 0, file, cmd);
 }
 
 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-       return security_ops->file_fcntl(file, cmd, arg);
+       return call_int_hook(file_fcntl, 0, file, cmd, arg);
 }
 
 void security_file_set_fowner(struct file *file)
 {
-       security_ops->file_set_fowner(file);
+       call_void_hook(file_set_fowner, file);
 }
 
 int security_file_send_sigiotask(struct task_struct *tsk,
                                  struct fown_struct *fown, int sig)
 {
-       return security_ops->file_send_sigiotask(tsk, fown, sig);
+       return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
 }
 
 int security_file_receive(struct file *file)
 {
-       return security_ops->file_receive(file);
+       return call_int_hook(file_receive, 0, file);
 }
 
 int security_file_open(struct file *file, const struct cred *cred)
 {
        int ret;
 
-       ret = security_ops->file_open(file, cred);
+       ret = call_int_hook(file_open, 0, file, cred);
        if (ret)
                return ret;
 
@@ -826,52 +846,49 @@ int security_file_open(struct file *file, const struct cred *cred)
 
 int security_task_create(unsigned long clone_flags)
 {
-       return security_ops->task_create(clone_flags);
+       return call_int_hook(task_create, 0, clone_flags);
 }
 
 void security_task_free(struct task_struct *task)
 {
-#ifdef CONFIG_SECURITY_YAMA_STACKED
-       yama_task_free(task);
-#endif
-       security_ops->task_free(task);
+       call_void_hook(task_free, task);
 }
 
 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
 {
-       return security_ops->cred_alloc_blank(cred, gfp);
+       return call_int_hook(cred_alloc_blank, 0, cred, gfp);
 }
 
 void security_cred_free(struct cred *cred)
 {
-       security_ops->cred_free(cred);
+       call_void_hook(cred_free, cred);
 }
 
 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
 {
-       return security_ops->cred_prepare(new, old, gfp);
+       return call_int_hook(cred_prepare, 0, new, old, gfp);
 }
 
 void security_transfer_creds(struct cred *new, const struct cred *old)
 {
-       security_ops->cred_transfer(new, old);
+       call_void_hook(cred_transfer, new, old);
 }
 
 int security_kernel_act_as(struct cred *new, u32 secid)
 {
-       return security_ops->kernel_act_as(new, secid);
+       return call_int_hook(kernel_act_as, 0, new, secid);
 }
 
 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
 {
-       return security_ops->kernel_create_files_as(new, inode);
+       return call_int_hook(kernel_create_files_as, 0, new, inode);
 }
 
 int security_kernel_fw_from_file(struct file *file, char *buf, size_t size)
 {
        int ret;
 
-       ret = security_ops->kernel_fw_from_file(file, buf, size);
+       ret = call_int_hook(kernel_fw_from_file, 0, file, buf, size);
        if (ret)
                return ret;
        return ima_fw_from_file(file, buf, size);
@@ -880,14 +897,14 @@ EXPORT_SYMBOL_GPL(security_kernel_fw_from_file);
 
 int security_kernel_module_request(char *kmod_name)
 {
-       return security_ops->kernel_module_request(kmod_name);
+       return call_int_hook(kernel_module_request, 0, kmod_name);
 }
 
 int security_kernel_module_from_file(struct file *file)
 {
        int ret;
 
-       ret = security_ops->kernel_module_from_file(file);
+       ret = call_int_hook(kernel_module_from_file, 0, file);
        if (ret)
                return ret;
        return ima_module_check(file);
@@ -896,259 +913,269 @@ int security_kernel_module_from_file(struct file *file)
 int security_task_fix_setuid(struct cred *new, const struct cred *old,
                             int flags)
 {
-       return security_ops->task_fix_setuid(new, old, flags);
+       return call_int_hook(task_fix_setuid, 0, new, old, flags);
 }
 
 int security_task_setpgid(struct task_struct *p, pid_t pgid)
 {
-       return security_ops->task_setpgid(p, pgid);
+       return call_int_hook(task_setpgid, 0, p, pgid);
 }
 
 int security_task_getpgid(struct task_struct *p)
 {
-       return security_ops->task_getpgid(p);
+       return call_int_hook(task_getpgid, 0, p);
 }
 
 int security_task_getsid(struct task_struct *p)
 {
-       return security_ops->task_getsid(p);
+       return call_int_hook(task_getsid, 0, p);
 }
 
 void security_task_getsecid(struct task_struct *p, u32 *secid)
 {
-       security_ops->task_getsecid(p, secid);
+       *secid = 0;
+       call_void_hook(task_getsecid, p, secid);
 }
 EXPORT_SYMBOL(security_task_getsecid);
 
 int security_task_setnice(struct task_struct *p, int nice)
 {
-       return security_ops->task_setnice(p, nice);
+       return call_int_hook(task_setnice, 0, p, nice);
 }
 
 int security_task_setioprio(struct task_struct *p, int ioprio)
 {
-       return security_ops->task_setioprio(p, ioprio);
+       return call_int_hook(task_setioprio, 0, p, ioprio);
 }
 
 int security_task_getioprio(struct task_struct *p)
 {
-       return security_ops->task_getioprio(p);
+       return call_int_hook(task_getioprio, 0, p);
 }
 
 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
                struct rlimit *new_rlim)
 {
-       return security_ops->task_setrlimit(p, resource, new_rlim);
+       return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
 }
 
 int security_task_setscheduler(struct task_struct *p)
 {
-       return security_ops->task_setscheduler(p);
+       return call_int_hook(task_setscheduler, 0, p);
 }
 
 int security_task_getscheduler(struct task_struct *p)
 {
-       return security_ops->task_getscheduler(p);
+       return call_int_hook(task_getscheduler, 0, p);
 }
 
 int security_task_movememory(struct task_struct *p)
 {
-       return security_ops->task_movememory(p);
+       return call_int_hook(task_movememory, 0, p);
 }
 
 int security_task_kill(struct task_struct *p, struct siginfo *info,
                        int sig, u32 secid)
 {
-       return security_ops->task_kill(p, info, sig, secid);
+       return call_int_hook(task_kill, 0, p, info, sig, secid);
 }
 
 int security_task_wait(struct task_struct *p)
 {
-       return security_ops->task_wait(p);
+       return call_int_hook(task_wait, 0, 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 security_ops->task_prctl(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)
 {
-       security_ops->task_to_inode(p, inode);
+       call_void_hook(task_to_inode, p, inode);
 }
 
 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
 {
-       return security_ops->ipc_permission(ipcp, flag);
+       return call_int_hook(ipc_permission, 0, ipcp, flag);
 }
 
 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
 {
-       security_ops->ipc_getsecid(ipcp, secid);
+       *secid = 0;
+       call_void_hook(ipc_getsecid, ipcp, secid);
 }
 
 int security_msg_msg_alloc(struct msg_msg *msg)
 {
-       return security_ops->msg_msg_alloc_security(msg);
+       return call_int_hook(msg_msg_alloc_security, 0, msg);
 }
 
 void security_msg_msg_free(struct msg_msg *msg)
 {
-       security_ops->msg_msg_free_security(msg);
+       call_void_hook(msg_msg_free_security, msg);
 }
 
 int security_msg_queue_alloc(struct msg_queue *msq)
 {
-       return security_ops->msg_queue_alloc_security(msq);
+       return call_int_hook(msg_queue_alloc_security, 0, msq);
 }
 
 void security_msg_queue_free(struct msg_queue *msq)
 {
-       security_ops->msg_queue_free_security(msq);
+       call_void_hook(msg_queue_free_security, msq);
 }
 
 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
 {
-       return security_ops->msg_queue_associate(msq, msqflg);
+       return call_int_hook(msg_queue_associate, 0, msq, msqflg);
 }
 
 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
 {
-       return security_ops->msg_queue_msgctl(msq, cmd);
+       return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
 }
 
 int security_msg_queue_msgsnd(struct msg_queue *msq,
                               struct msg_msg *msg, int msqflg)
 {
-       return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
+       return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
 }
 
 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
                               struct task_struct *target, long type, int mode)
 {
-       return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
+       return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
 }
 
 int security_shm_alloc(struct shmid_kernel *shp)
 {
-       return security_ops->shm_alloc_security(shp);
+       return call_int_hook(shm_alloc_security, 0, shp);
 }
 
 void security_shm_free(struct shmid_kernel *shp)
 {
-       security_ops->shm_free_security(shp);
+       call_void_hook(shm_free_security, shp);
 }
 
 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
 {
-       return security_ops->shm_associate(shp, shmflg);
+       return call_int_hook(shm_associate, 0, shp, shmflg);
 }
 
 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
 {
-       return security_ops->shm_shmctl(shp, cmd);
+       return call_int_hook(shm_shmctl, 0, shp, cmd);
 }
 
 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
 {
-       return security_ops->shm_shmat(shp, shmaddr, shmflg);
+       return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
 }
 
 int security_sem_alloc(struct sem_array *sma)
 {
-       return security_ops->sem_alloc_security(sma);
+       return call_int_hook(sem_alloc_security, 0, sma);
 }
 
 void security_sem_free(struct sem_array *sma)
 {
-       security_ops->sem_free_security(sma);
+       call_void_hook(sem_free_security, sma);
 }
 
 int security_sem_associate(struct sem_array *sma, int semflg)
 {
-       return security_ops->sem_associate(sma, semflg);
+       return call_int_hook(sem_associate, 0, sma, semflg);
 }
 
 int security_sem_semctl(struct sem_array *sma, int cmd)
 {
-       return security_ops->sem_semctl(sma, cmd);
+       return call_int_hook(sem_semctl, 0, sma, cmd);
 }
 
 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
                        unsigned nsops, int alter)
 {
-       return security_ops->sem_semop(sma, sops, nsops, alter);
+       return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
 }
 
 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
 {
        if (unlikely(inode && IS_PRIVATE(inode)))
                return;
-       security_ops->d_instantiate(dentry, inode);
+       call_void_hook(d_instantiate, dentry, inode);
 }
 EXPORT_SYMBOL(security_d_instantiate);
 
 int security_getprocattr(struct task_struct *p, char *name, char **value)
 {
-       return security_ops->getprocattr(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 security_ops->setprocattr(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)
 {
-       return security_ops->netlink_send(sk, skb);
+       return call_int_hook(netlink_send, 0, sk, skb);
 }
 
 int security_ismaclabel(const char *name)
 {
-       return security_ops->ismaclabel(name);
+       return call_int_hook(ismaclabel, 0, name);
 }
 EXPORT_SYMBOL(security_ismaclabel);
 
 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
 {
-       return security_ops->secid_to_secctx(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)
 {
-       return security_ops->secctx_to_secid(secdata, seclen, secid);
+       *secid = 0;
+       return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
 }
 EXPORT_SYMBOL(security_secctx_to_secid);
 
 void security_release_secctx(char *secdata, u32 seclen)
 {
-       security_ops->release_secctx(secdata, seclen);
+       call_void_hook(release_secctx, secdata, seclen);
 }
 EXPORT_SYMBOL(security_release_secctx);
 
 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
 {
-       return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
+       return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
 }
 EXPORT_SYMBOL(security_inode_notifysecctx);
 
 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
 {
-       return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
+       return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
 }
 EXPORT_SYMBOL(security_inode_setsecctx);
 
 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
 {
-       return security_ops->inode_getsecctx(inode, ctx, ctxlen);
+       return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
 }
 EXPORT_SYMBOL(security_inode_getsecctx);
 
@@ -1156,206 +1183,208 @@ EXPORT_SYMBOL(security_inode_getsecctx);
 
 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
 {
-       return security_ops->unix_stream_connect(sock, other, newsk);
+       return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
 }
 EXPORT_SYMBOL(security_unix_stream_connect);
 
 int security_unix_may_send(struct socket *sock,  struct socket *other)
 {
-       return security_ops->unix_may_send(sock, other);
+       return call_int_hook(unix_may_send, 0, sock, other);
 }
 EXPORT_SYMBOL(security_unix_may_send);
 
 int security_socket_create(int family, int type, int protocol, int kern)
 {
-       return security_ops->socket_create(family, type, protocol, kern);
+       return call_int_hook(socket_create, 0, family, type, protocol, kern);
 }
 
 int security_socket_post_create(struct socket *sock, int family,
                                int type, int protocol, int kern)
 {
-       return security_ops->socket_post_create(sock, family, type,
+       return call_int_hook(socket_post_create, 0, sock, family, type,
                                                protocol, kern);
 }
 
 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
 {
-       return security_ops->socket_bind(sock, address, addrlen);
+       return call_int_hook(socket_bind, 0, sock, address, addrlen);
 }
 
 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
 {
-       return security_ops->socket_connect(sock, address, addrlen);
+       return call_int_hook(socket_connect, 0, sock, address, addrlen);
 }
 
 int security_socket_listen(struct socket *sock, int backlog)
 {
-       return security_ops->socket_listen(sock, backlog);
+       return call_int_hook(socket_listen, 0, sock, backlog);
 }
 
 int security_socket_accept(struct socket *sock, struct socket *newsock)
 {
-       return security_ops->socket_accept(sock, newsock);
+       return call_int_hook(socket_accept, 0, sock, newsock);
 }
 
 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
 {
-       return security_ops->socket_sendmsg(sock, msg, size);
+       return call_int_hook(socket_sendmsg, 0, sock, msg, size);
 }
 
 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
                            int size, int flags)
 {
-       return security_ops->socket_recvmsg(sock, msg, size, flags);
+       return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
 }
 
 int security_socket_getsockname(struct socket *sock)
 {
-       return security_ops->socket_getsockname(sock);
+       return call_int_hook(socket_getsockname, 0, sock);
 }
 
 int security_socket_getpeername(struct socket *sock)
 {
-       return security_ops->socket_getpeername(sock);
+       return call_int_hook(socket_getpeername, 0, sock);
 }
 
 int security_socket_getsockopt(struct socket *sock, int level, int optname)
 {
-       return security_ops->socket_getsockopt(sock, level, optname);
+       return call_int_hook(socket_getsockopt, 0, sock, level, optname);
 }
 
 int security_socket_setsockopt(struct socket *sock, int level, int optname)
 {
-       return security_ops->socket_setsockopt(sock, level, optname);
+       return call_int_hook(socket_setsockopt, 0, sock, level, optname);
 }
 
 int security_socket_shutdown(struct socket *sock, int how)
 {
-       return security_ops->socket_shutdown(sock, how);
+       return call_int_hook(socket_shutdown, 0, sock, how);
 }
 
 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
-       return security_ops->socket_sock_rcv_skb(sk, skb);
+       return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
 }
 EXPORT_SYMBOL(security_sock_rcv_skb);
 
 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
                                      int __user *optlen, unsigned len)
 {
-       return security_ops->socket_getpeersec_stream(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)
 {
-       return security_ops->socket_getpeersec_dgram(sock, skb, secid);
+       return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock,
+                            skb, secid);
 }
 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
 
 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
 {
-       return security_ops->sk_alloc_security(sk, family, priority);
+       return call_int_hook(sk_alloc_security, 0, sk, family, priority);
 }
 
 void security_sk_free(struct sock *sk)
 {
-       security_ops->sk_free_security(sk);
+       call_void_hook(sk_free_security, sk);
 }
 
 void security_sk_clone(const struct sock *sk, struct sock *newsk)
 {
-       security_ops->sk_clone_security(sk, newsk);
+       call_void_hook(sk_clone_security, sk, newsk);
 }
 EXPORT_SYMBOL(security_sk_clone);
 
 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
 {
-       security_ops->sk_getsecid(sk, &fl->flowi_secid);
+       call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
 }
 EXPORT_SYMBOL(security_sk_classify_flow);
 
 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
 {
-       security_ops->req_classify_flow(req, fl);
+       call_void_hook(req_classify_flow, req, fl);
 }
 EXPORT_SYMBOL(security_req_classify_flow);
 
 void security_sock_graft(struct sock *sk, struct socket *parent)
 {
-       security_ops->sock_graft(sk, parent);
+       call_void_hook(sock_graft, sk, parent);
 }
 EXPORT_SYMBOL(security_sock_graft);
 
 int security_inet_conn_request(struct sock *sk,
                        struct sk_buff *skb, struct request_sock *req)
 {
-       return security_ops->inet_conn_request(sk, skb, req);
+       return call_int_hook(inet_conn_request, 0, sk, skb, req);
 }
 EXPORT_SYMBOL(security_inet_conn_request);
 
 void security_inet_csk_clone(struct sock *newsk,
                        const struct request_sock *req)
 {
-       security_ops->inet_csk_clone(newsk, req);
+       call_void_hook(inet_csk_clone, newsk, req);
 }
 
 void security_inet_conn_established(struct sock *sk,
                        struct sk_buff *skb)
 {
-       security_ops->inet_conn_established(sk, skb);
+       call_void_hook(inet_conn_established, sk, skb);
 }
 
 int security_secmark_relabel_packet(u32 secid)
 {
-       return security_ops->secmark_relabel_packet(secid);
+       return call_int_hook(secmark_relabel_packet, 0, secid);
 }
 EXPORT_SYMBOL(security_secmark_relabel_packet);
 
 void security_secmark_refcount_inc(void)
 {
-       security_ops->secmark_refcount_inc();
+       call_void_hook(secmark_refcount_inc);
 }
 EXPORT_SYMBOL(security_secmark_refcount_inc);
 
 void security_secmark_refcount_dec(void)
 {
-       security_ops->secmark_refcount_dec();
+       call_void_hook(secmark_refcount_dec);
 }
 EXPORT_SYMBOL(security_secmark_refcount_dec);
 
 int security_tun_dev_alloc_security(void **security)
 {
-       return security_ops->tun_dev_alloc_security(security);
+       return call_int_hook(tun_dev_alloc_security, 0, security);
 }
 EXPORT_SYMBOL(security_tun_dev_alloc_security);
 
 void security_tun_dev_free_security(void *security)
 {
-       security_ops->tun_dev_free_security(security);
+       call_void_hook(tun_dev_free_security, security);
 }
 EXPORT_SYMBOL(security_tun_dev_free_security);
 
 int security_tun_dev_create(void)
 {
-       return security_ops->tun_dev_create();
+       return call_int_hook(tun_dev_create, 0);
 }
 EXPORT_SYMBOL(security_tun_dev_create);
 
 int security_tun_dev_attach_queue(void *security)
 {
-       return security_ops->tun_dev_attach_queue(security);
+       return call_int_hook(tun_dev_attach_queue, 0, security);
 }
 EXPORT_SYMBOL(security_tun_dev_attach_queue);
 
 int security_tun_dev_attach(struct sock *sk, void *security)
 {
-       return security_ops->tun_dev_attach(sk, security);
+       return call_int_hook(tun_dev_attach, 0, sk, security);
 }
 EXPORT_SYMBOL(security_tun_dev_attach);
 
 int security_tun_dev_open(void *security)
 {
-       return security_ops->tun_dev_open(security);
+       return call_int_hook(tun_dev_open, 0, security);
 }
 EXPORT_SYMBOL(security_tun_dev_open);
 
@@ -1367,71 +1396,89 @@ int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
                               struct xfrm_user_sec_ctx *sec_ctx,
                               gfp_t gfp)
 {
-       return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx, gfp);
+       return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
 }
 EXPORT_SYMBOL(security_xfrm_policy_alloc);
 
 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
                              struct xfrm_sec_ctx **new_ctxp)
 {
-       return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
+       return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
 }
 
 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
 {
-       security_ops->xfrm_policy_free_security(ctx);
+       call_void_hook(xfrm_policy_free_security, ctx);
 }
 EXPORT_SYMBOL(security_xfrm_policy_free);
 
 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
 {
-       return security_ops->xfrm_policy_delete_security(ctx);
+       return call_int_hook(xfrm_policy_delete_security, 0, ctx);
 }
 
 int security_xfrm_state_alloc(struct xfrm_state *x,
                              struct xfrm_user_sec_ctx *sec_ctx)
 {
-       return security_ops->xfrm_state_alloc(x, sec_ctx);
+       return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
 }
 EXPORT_SYMBOL(security_xfrm_state_alloc);
 
 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
                                      struct xfrm_sec_ctx *polsec, u32 secid)
 {
-       return security_ops->xfrm_state_alloc_acquire(x, polsec, secid);
+       return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
 }
 
 int security_xfrm_state_delete(struct xfrm_state *x)
 {
-       return security_ops->xfrm_state_delete_security(x);
+       return call_int_hook(xfrm_state_delete_security, 0, x);
 }
 EXPORT_SYMBOL(security_xfrm_state_delete);
 
 void security_xfrm_state_free(struct xfrm_state *x)
 {
-       security_ops->xfrm_state_free_security(x);
+       call_void_hook(xfrm_state_free_security, x);
 }
 
 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
 {
-       return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
+       return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
 }
 
 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
                                       struct xfrm_policy *xp,
                                       const struct flowi *fl)
 {
-       return security_ops->xfrm_state_pol_flow_match(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)
 {
-       return security_ops->xfrm_decode_session(skb, secid, 1);
+       return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
 }
 
 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
 {
-       int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
+       int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
+                               0);
 
        BUG_ON(rc);
 }
@@ -1444,23 +1491,24 @@ EXPORT_SYMBOL(security_skb_classify_flow);
 int security_key_alloc(struct key *key, const struct cred *cred,
                       unsigned long flags)
 {
-       return security_ops->key_alloc(key, cred, flags);
+       return call_int_hook(key_alloc, 0, key, cred, flags);
 }
 
 void security_key_free(struct key *key)
 {
-       security_ops->key_free(key);
+       call_void_hook(key_free, key);
 }
 
 int security_key_permission(key_ref_t key_ref,
                            const struct cred *cred, unsigned perm)
 {
-       return security_ops->key_permission(key_ref, cred, perm);
+       return call_int_hook(key_permission, 0, key_ref, cred, perm);
 }
 
 int security_key_getsecurity(struct key *key, char **_buffer)
 {
-       return security_ops->key_getsecurity(key, _buffer);
+       *_buffer = NULL;
+       return call_int_hook(key_getsecurity, 0, key, _buffer);
 }
 
 #endif /* CONFIG_KEYS */
@@ -1469,23 +1517,369 @@ int security_key_getsecurity(struct key *key, char **_buffer)
 
 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
 {
-       return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
+       return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
 }
 
 int security_audit_rule_known(struct audit_krule *krule)
 {
-       return security_ops->audit_rule_known(krule);
+       return call_int_hook(audit_rule_known, 0, krule);
 }
 
 void security_audit_rule_free(void *lsmrule)
 {
-       security_ops->audit_rule_free(lsmrule);
+       call_void_hook(audit_rule_free, lsmrule);
 }
 
 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
                              struct audit_context *actx)
 {
-       return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
+       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 */
+};