Add a test for livepatch sysfs entries. Signed-off-by: Song Liu <song@xxxxxxxxxx> --- tools/testing/selftests/livepatch/Makefile | 3 +- .../testing/selftests/livepatch/test-sysfs.sh | 40 +++++++++++++++++++ 2 files changed, 42 insertions(+), 1 deletion(-) create mode 100755 tools/testing/selftests/livepatch/test-sysfs.sh diff --git a/tools/testing/selftests/livepatch/Makefile b/tools/testing/selftests/livepatch/Makefile index 1acc9e1fa3fb..02fadc9d55e0 100644 --- a/tools/testing/selftests/livepatch/Makefile +++ b/tools/testing/selftests/livepatch/Makefile @@ -6,7 +6,8 @@ TEST_PROGS := \ test-callbacks.sh \ test-shadow-vars.sh \ test-state.sh \ - test-ftrace.sh + test-ftrace.sh \ + test-sysfs.sh TEST_FILES := settings diff --git a/tools/testing/selftests/livepatch/test-sysfs.sh b/tools/testing/selftests/livepatch/test-sysfs.sh new file mode 100755 index 000000000000..eb4a69ba1c2c --- /dev/null +++ b/tools/testing/selftests/livepatch/test-sysfs.sh @@ -0,0 +1,40 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2022 Song Liu <song@xxxxxxxxxx> + +. $(dirname $0)/functions.sh + +MOD_LIVEPATCH=test_klp_livepatch + +setup_config + +# - load a livepatch and verifies the sysfs entries work as expected + +start_test "sysfs test" + +load_lp $MOD_LIVEPATCH + +grep . "/sys/kernel/livepatch/$MOD_LIVEPATCH"/* > /dev/kmsg +grep . "/sys/kernel/livepatch/$MOD_LIVEPATCH"/*/* > /dev/kmsg + +disable_lp $MOD_LIVEPATCH + +unload_lp $MOD_LIVEPATCH + +check_result "% modprobe $MOD_LIVEPATCH +livepatch: enabling patch '$MOD_LIVEPATCH' +livepatch: '$MOD_LIVEPATCH': initializing patching transition +livepatch: '$MOD_LIVEPATCH': starting patching transition +livepatch: '$MOD_LIVEPATCH': completing patching transition +livepatch: '$MOD_LIVEPATCH': patching complete +/sys/kernel/livepatch/test_klp_livepatch/enabled:1 +/sys/kernel/livepatch/test_klp_livepatch/transition:0 +/sys/kernel/livepatch/test_klp_livepatch/vmlinux/patched:1 +% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled +livepatch: '$MOD_LIVEPATCH': initializing unpatching transition +livepatch: '$MOD_LIVEPATCH': starting unpatching transition +livepatch: '$MOD_LIVEPATCH': completing unpatching transition +livepatch: '$MOD_LIVEPATCH': unpatching complete +% rmmod $MOD_LIVEPATCH" + +exit 0 -- 2.30.2
