memdup_user_nul (9) - Linux Manuals

memdup_user_nul: duplicate memory region from user space and NUL-terminate

NAME

memdup_user_nul - duplicate memory region from user space and NUL-terminate

SYNOPSIS

void * memdup_user_nul(const void __user * src, size_t len);

ARGUMENTS

src

source address in user space

len

number of bytes to copy

DESCRIPTION

Returns an ERR_PTR on failure.

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