| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (C) 2022 Song Liu <song@kernel.org> |
| |
| . $(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 $MOD_LIVEPATCH |
| |
| check_sysfs_rights "$MOD_LIVEPATCH" "" "drwxr-xr-x" |
| check_sysfs_rights "$MOD_LIVEPATCH" "enabled" "-rw-r--r--" |
| check_sysfs_value "$MOD_LIVEPATCH" "enabled" "1" |
| check_sysfs_rights "$MOD_LIVEPATCH" "force" "--w-------" |
| check_sysfs_rights "$MOD_LIVEPATCH" "transition" "-r--r--r--" |
| check_sysfs_value "$MOD_LIVEPATCH" "transition" "0" |
| check_sysfs_rights "$MOD_LIVEPATCH" "vmlinux/patched" "-r--r--r--" |
| check_sysfs_value "$MOD_LIVEPATCH" "vmlinux/patched" "1" |
| |
| disable_lp $MOD_LIVEPATCH |
| |
| unload_lp $MOD_LIVEPATCH |
| |
| check_result "% insmod test_modules/$MOD_LIVEPATCH.ko |
| livepatch: enabling patch '$MOD_LIVEPATCH' |
| livepatch: '$MOD_LIVEPATCH': initializing patching transition |
| livepatch: '$MOD_LIVEPATCH': starting patching transition |
| livepatch: '$MOD_LIVEPATCH': completing patching transition |
| livepatch: '$MOD_LIVEPATCH': patching complete |
| % echo 0 > /sys/kernel/livepatch/$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" |
| |
| start_test "sysfs test object/patched" |
| |
| MOD_LIVEPATCH=test_klp_callbacks_demo |
| MOD_TARGET=test_klp_callbacks_mod |
| load_lp $MOD_LIVEPATCH |
| |
| # check the "patch" file changes as target module loads/unloads |
| check_sysfs_value "$MOD_LIVEPATCH" "$MOD_TARGET/patched" "0" |
| load_mod $MOD_TARGET |
| check_sysfs_value "$MOD_LIVEPATCH" "$MOD_TARGET/patched" "1" |
| unload_mod $MOD_TARGET |
| check_sysfs_value "$MOD_LIVEPATCH" "$MOD_TARGET/patched" "0" |
| |
| disable_lp $MOD_LIVEPATCH |
| unload_lp $MOD_LIVEPATCH |
| |
| check_result "% insmod test_modules/test_klp_callbacks_demo.ko |
| livepatch: enabling patch 'test_klp_callbacks_demo' |
| livepatch: 'test_klp_callbacks_demo': initializing patching transition |
| test_klp_callbacks_demo: pre_patch_callback: vmlinux |
| livepatch: 'test_klp_callbacks_demo': starting patching transition |
| livepatch: 'test_klp_callbacks_demo': completing patching transition |
| test_klp_callbacks_demo: post_patch_callback: vmlinux |
| livepatch: 'test_klp_callbacks_demo': patching complete |
| % insmod test_modules/test_klp_callbacks_mod.ko |
| livepatch: applying patch 'test_klp_callbacks_demo' to loading module 'test_klp_callbacks_mod' |
| test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init |
| test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init |
| test_klp_callbacks_mod: test_klp_callbacks_mod_init |
| % rmmod test_klp_callbacks_mod |
| test_klp_callbacks_mod: test_klp_callbacks_mod_exit |
| test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away |
| livepatch: reverting patch 'test_klp_callbacks_demo' on unloading module 'test_klp_callbacks_mod' |
| test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away |
| % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled |
| livepatch: 'test_klp_callbacks_demo': initializing unpatching transition |
| test_klp_callbacks_demo: pre_unpatch_callback: vmlinux |
| livepatch: 'test_klp_callbacks_demo': starting unpatching transition |
| livepatch: 'test_klp_callbacks_demo': completing unpatching transition |
| test_klp_callbacks_demo: post_unpatch_callback: vmlinux |
| livepatch: 'test_klp_callbacks_demo': unpatching complete |
| % rmmod test_klp_callbacks_demo" |
| |
| exit 0 |
