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uname -a: Linux apirnd 5.4.0-204-generic #224-Ubuntu SMP Thu Dec 5 13:38:28 UTC 2024 x86_64 

uid=33(www-data) gid=33(www-data) groups=33(www-data) 

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/usr/src/linux-headers-5.4.0-204/tools/testing/selftests/user/   drwxr-xr-x
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Viewing file:     test_user_copy.sh (452 B)      -rwxr-xr-x

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# Runs copy_to/from_user infrastructure using test_user_copy kernel module

# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4

if ! /sbin/modprobe -q -n test_user_copy; then
	echo "user: module test_user_copy is not found [SKIP]"
	exit $ksft_skip
fi
if /sbin/modprobe -q test_user_copy; then
	/sbin/modprobe -q -r test_user_copy
	echo "user_copy: ok"
else
	echo "user_copy: [FAIL]"
	exit 1
fi