Function report |
Source Code:arch\x86\include\asm\uaccess.h |
Create Date:2022-07-28 05:59:51 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:The "unsafe" user accesses aren't really "unsafe", but the naming* is a big fat warning: you have to not only do the access_ok()* checking before using them, but you have to surround them with the* user_access_begin/end() pair.
Proto:static __must_check __always_inline bool user_access_begin(const void __user *ptr, size_t len)
Type:bool
Parameter:
Type | Parameter | Name |
---|---|---|
const void __user * | ptr | |
size_t | len |
716 | __uaccess_begin_nospec() |
717 | Return 1 |
Name | Describe |
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check_zeroed_user | heck_zeroed_user: check if a userspace buffer only contains zero bytes*@from: Source address, in userspace |
strncpy_from_user | Copy a NUL terminated string from userspace |
strnlen_user | Get the size of a string in user space |
SYSCALL_DEFINE5 | |
COMPAT_SYSCALL_DEFINE5 | |
compat_get_bitmap | |
compat_put_bitmap | |
filldir | |
filldir64 |
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