函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\usercopy.c Create Date:2022-07-27 18:11:01
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：usercopy_abort

函数原型：void __noreturn usercopy_abort(const char *name, const char *detail, bool to_user, unsigned long offset, unsigned long len)

返回类型：void

参数：

类型参数名称
const char *name
const char *detail
boolto_user
unsigned longoffset
unsigned longlen
87  These can be used to print at the various log levels.* All of these will print unconditionally, although note that pr_debug()* and other debug macros are compiled out unless either DEBUG is defined* or CONFIG_DYNAMIC_DEBUG is set.("Kernel memory %s attempt detected %s %s%s%s%s (offset %lu, size %lu)!\n", to_user ? "exposure" : "overwrite", to_user ? "from" : "to", name ? : "unknown?!", detail ? " '" : "", detail ? : "", detail ? "'" : "", offset, len)
99  BUG()
调用者
名称描述
check_kernel_text_objectIs this address range in the kernel text area?
check_bogus_address
__check_object_sizeValidates that the given object is:* - not bogus address* - fully contained by stack (or stack frame, when available)* - fully within SLAB object (or object whitelist area, when available)* - not in kernel text