static void print_address_description(struct kasan_access_info *info)
{
const void *addr = info->access_addr;
if ((addr >= (void *)PAGE_OFFSET) &&
(addr < high_memory)) {
struct page *page = virt_to_head_page(addr);
if (PageSlab(page)) {
void *object;
struct kmem_cache *cache = page->slab_cache;
object = nearest_obj(cache, page,
(void *)info->access_addr);
kasan_object_err(cache, object);
return;
}
dump_page(page, "kasan: bad access detected");
}
if (kernel_or_module_addr(addr)) {
if (!init_task_stack_addr(addr))
pr_err("Address belongs to variable %pS\n", addr);
}
dump_stack();
}
static void print_address_description(struct kasan_access_info *info)
{
const void *addr = info->access_addr;
if ((addr >= (void *)PAGE_OFFSET) &&
(addr < high_memory)) {
struct page *page = virt_to_head_page(addr);
if (PageSlab(page)) {
void *object;
struct kmem_cache *cache = page->slab_cache;
void *last_object;
object = virt_to_obj(cache, page_address(page), addr);
last_object = page_address(page) +
page->objects * cache->size;
if (unlikely(object > last_object))
object = last_object; /* we hit into padding */
object_err(cache, page, object,
"kasan: bad access detected");
return;
}
dump_page(page, "kasan: bad access detected");
}
if (kernel_or_module_addr(addr)) {
if (!init_task_stack_addr(addr))
pr_err("Address belongs to variable %pS\n", addr);
}
dump_stack();
}
static void print_address_description(void *addr)
{
struct page *page = addr_to_page(addr);
dump_stack();
pr_err("\n");
if (page && PageSlab(page)) {
struct kmem_cache *cache = page->slab_cache;
void *object = nearest_obj(cache, page, addr);
describe_object(cache, object, addr);
}
if (kernel_or_module_addr(addr) && !init_task_stack_addr(addr)) {
pr_err("The buggy address belongs to the variable:\n");
pr_err(" %pS\n", addr);
}
if (page) {
pr_err("The buggy address belongs to the page:\n");
dump_page(page, "kasan: bad access detected");
}
}
