memdup_user

函数名称：memdup_user - duplicate memory region from user space*@src: source address in user space*@len: number of bytes to copy* Return: an ERR_PTR() on failure. Result is physically* contiguous, to be freed by kfree().

函数原型：void *memdup_user(const void __user *src, size_t len)

返回类型：void

参数：

类型	参数	名称
const void __user *	src
size_t	len

**调用者**
名称	描述
kcov_ioctl
__bpf_copy_key
strndup_user	strndup_user - duplicate an existing string from user space@s: The string to duplicate@n: Maximum number of bytes to copy, including the trailing NUL.* Return: newly allocated copy of @s or an ERR_PTR() in case of error
sed_ioctl
keyctl_pkey_verify	Verify a signature
smk_write_revoke_subj	smk_write_revoke_subj - write() for /smack/revoke-subject@file: file pointer@buf: data from user space@count: bytes sent@ppos: where to start - must be 0
kimage_file_prepare_segments	In file mode list of segments is prepared by kernel. Copy relevant* data from user space, do error checking, prepare segment list
ib_is_buffer_cleared
bsg_transport_fill_hdr
keyctl_pkey_e_d_s	Encrypt/decrypt/sign* Encrypt data, decrypt data or sign data using a public key
ioctl_file_dedupe_range

函数逻辑报告