sync to Linus v4.13-rc2 for subsystem developers to work against

include/linux/lsm_hooks.h

@@ -30,6 +30,8 @@
 #include <linux/rculist.h>
 
 /**
+ * union security_list_options - Linux Security Module hook function list
+ *
  * Security hooks for program execution operations.
  *
  * @bprm_set_creds:
@@ -194,8 +196,8 @@
  *	@value will be set to the allocated attribute value.
  *	@len will be set to the length of the value.
  *	Returns 0 if @name and @value have been successfully set,
- *		-EOPNOTSUPP if no security attribute is needed, or
- *		-ENOMEM on memory allocation failure.
+ *	-EOPNOTSUPP if no security attribute is needed, or
+ *	-ENOMEM on memory allocation failure.
  * @inode_create:
  *	Check permission to create a regular file.
  *	@dir contains inode structure of the parent of the new file.
@@ -511,8 +513,7 @@
  *	process @tsk.  Note that this hook is sometimes called from interrupt.
  *	Note that the fown_struct, @fown, is never outside the context of a
  *	struct file, so the file structure (and associated security information)
- *	can always be obtained:
- *		container_of(fown, struct file, f_owner)
+ *	can always be obtained: container_of(fown, struct file, f_owner)
  *	@tsk contains the structure of task receiving signal.
  *	@fown contains the file owner information.
  *	@sig is the signal that will be sent.  When 0, kernel sends SIGIO.
@@ -522,7 +523,7 @@
  *	to receive an open file descriptor via socket IPC.
  *	@file contains the file structure being received.
  *	Return 0 if permission is granted.
- * @file_open
+ * @file_open:
  *	Save open-time permission checking state for later use upon
  *	file_permission, and recheck access if anything has changed
  *	since inode_permission.
@@ -1159,7 +1160,7 @@
  *	@sma contains the semaphore structure.  May be NULL.
  *	@cmd contains the operation to be performed.
  *	Return 0 if permission is granted.
- * @sem_semop
+ * @sem_semop:
  *	Check permissions before performing operations on members of the
  *	semaphore set @sma.  If the @alter flag is nonzero, the semaphore set
  *	may be modified.
@@ -1169,20 +1170,20 @@
  *	@alter contains the flag indicating whether changes are to be made.
  *	Return 0 if permission is granted.
  *
- * @binder_set_context_mgr
+ * @binder_set_context_mgr:
  *	Check whether @mgr is allowed to be the binder context manager.
  *	@mgr contains the task_struct for the task being registered.
  *	Return 0 if permission is granted.
- * @binder_transaction
+ * @binder_transaction:
  *	Check whether @from is allowed to invoke a binder transaction call
  *	to @to.
  *	@from contains the task_struct for the sending task.
  *	@to contains the task_struct for the receiving task.
- * @binder_transfer_binder
+ * @binder_transfer_binder:
  *	Check whether @from is allowed to transfer a binder reference to @to.
  *	@from contains the task_struct for the sending task.
  *	@to contains the task_struct for the receiving task.
- * @binder_transfer_file
+ * @binder_transfer_file:
  *	Check whether @from is allowed to transfer @file to @to.
  *	@from contains the task_struct for the sending task.
  *	@file contains the struct file being transferred.
@@ -1230,7 +1231,7 @@
  *	@cred contains the credentials to use.
  *	@ns contains the user namespace we want the capability in
  *	@cap contains the capability <include/linux/capability.h>.
- *	@audit: Whether to write an audit message or not
+ *	@audit contains whether to write an audit message or not
  *	Return 0 if the capability is granted for @tsk.
  * @syslog:
  *	Check permission before accessing the kernel message ring or changing
@@ -1352,9 +1353,7 @@
  *	@inode we wish to get the security context of.
  *	@ctx is a pointer in which to place the allocated security context.
  *	@ctxlen points to the place to put the length of @ctx.
- * This is the main security structure.
  */
-
 union security_list_options {
 	int (*binder_set_context_mgr)(struct task_struct *mgr);
 	int (*binder_transaction)(struct task_struct *from,
@@ -1906,7 +1905,7 @@ struct security_hook_heads {
 	struct list_head audit_rule_match;
 	struct list_head audit_rule_free;
 #endif /* CONFIG_AUDIT */
-};
+} __randomize_layout;
 
 /*
  * Security module hook list structure.
@@ -1917,7 +1916,7 @@ struct security_hook_list {
 	struct list_head		*head;
 	union security_list_options	hook;
 	char				*lsm;
-};
+} __randomize_layout;
 
 /*
  * Initializing a security_hook_list structure takes