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MEMDUP_USER_NUL(9) Memory Management in Linux MEMDUP_USER_NUL(9)

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.

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.