linux/lib/list_debug.c

/*
 * Copyright 2006, Red Hat, Inc., Dave Jones
 * Released under the General Public License (GPL).
 *
 * This file contains the linked list validation and error reporting for
 * LIST_HARDENED and DEBUG_LIST.
 */

#include <linux/export.h>
#include <linux/list.h>
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/rculist.h>

/*
 * Check that the data structures for the list manipulations are reasonably
 * valid. Failures here indicate memory corruption (and possibly an exploit
 * attempt).
 */

__list_valid_slowpath
bool __list_add_valid_or_report(struct list_head *new, struct list_head *prev,
				struct list_head *next)
{ … }
EXPORT_SYMBOL(…);

__list_valid_slowpath
bool __list_del_entry_valid_or_report(struct list_head *entry)
{ … }
EXPORT_SYMBOL(…);