/* * Copyright 2006, Red Hat, Inc., Dave Jones * Released under the General Public License (GPL). * * This file contains the linked list validation for DEBUG_LIST. */ #include #include #include #include #include /* * Check that the data structures for the list manipulations are reasonably * valid. Failures here indicate memory corruption (and possibly an exploit * attempt). */ bool __list_add_valid(struct list_head *new, struct list_head *prev, struct list_head *next) { CHECK_DATA_CORRUPTION(next->prev != prev, "list_add corruption. next->prev should be prev (%p), but was %p. (next=%p).\n", prev, next->prev, next); CHECK_DATA_CORRUPTION(prev->next != next, "list_add corruption. prev->next should be next (%p), but was %p. (prev=%p).\n", next, prev->next, prev); CHECK_DATA_CORRUPTION(new == prev || new == next, "list_add double add: new=%p, prev=%p, next=%p.\n", new, prev, next); return true; } EXPORT_SYMBOL(__list_add_valid); bool __list_del_entry_valid(struct list_head *entry) { struct list_head *prev, *next; prev = entry->prev; next = entry->next; CHECK_DATA_CORRUPTION(next == LIST_POISON1, "list_del corruption, %p->next is LIST_POISON1 (%p)\n", entry, LIST_POISON1); CHECK_DATA_CORRUPTION(prev == LIST_POISON2, "list_del corruption, %p->prev is LIST_POISON2 (%p)\n", entry, LIST_POISON2); CHECK_DATA_CORRUPTION(prev->next != entry, "list_del corruption. prev->next should be %p, but was %p\n", entry, prev->next); CHECK_DATA_CORRUPTION(next->prev != entry, "list_del corruption. next->prev should be %p, but was %p\n", entry, next->prev); return true; } EXPORT_SYMBOL(__list_del_entry_valid); inux/net-next.git/log/tools/perf/util/header.c?h=nds-private-remove'>logtree commit diff

path: root/tools/perf/util/header.c

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