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MEMDUP_USER(9) Memory Management in Linux MEMDUP_USER(9)

NAME

memdup_user - duplicate memory region from user space

SYNOPSIS

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

ARGUMENTS

const void __user * src
source address in user space

size_t len

number of bytes to copy

DESCRIPTION

Returns an ERR_PTR on failure.

COPYRIGHT

July 2017 Kernel Hackers Manual 4.11