diff options
Diffstat (limited to 'tools/testing/selftests/livepatch/test-state.sh')
| -rwxr-xr-x | tools/testing/selftests/livepatch/test-state.sh | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/tools/testing/selftests/livepatch/test-state.sh b/tools/testing/selftests/livepatch/test-state.sh new file mode 100755 index 000000000000..dc2908c22c26 --- /dev/null +++ b/tools/testing/selftests/livepatch/test-state.sh @@ -0,0 +1,180 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2019 SUSE + +. $(dirname $0)/functions.sh + +MOD_LIVEPATCH=test_klp_state +MOD_LIVEPATCH2=test_klp_state2 +MOD_LIVEPATCH3=test_klp_state3 + +set_dynamic_debug + + +# TEST: Loading and removing a module that modifies the system state + +echo -n "TEST: system state modification ... " +dmesg -C + +load_lp $MOD_LIVEPATCH +disable_lp $MOD_LIVEPATCH +unload_lp $MOD_LIVEPATCH + +check_result "% modprobe $MOD_LIVEPATCH +livepatch: enabling patch '$MOD_LIVEPATCH' +livepatch: '$MOD_LIVEPATCH': initializing patching transition +$MOD_LIVEPATCH: pre_patch_callback: vmlinux +$MOD_LIVEPATCH: allocate_loglevel_state: allocating space to store console_loglevel +livepatch: '$MOD_LIVEPATCH': starting patching transition +livepatch: '$MOD_LIVEPATCH': completing patching transition +$MOD_LIVEPATCH: post_patch_callback: vmlinux +$MOD_LIVEPATCH: fix_console_loglevel: fixing console_loglevel +livepatch: '$MOD_LIVEPATCH': patching complete +% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled +livepatch: '$MOD_LIVEPATCH': initializing unpatching transition +$MOD_LIVEPATCH: pre_unpatch_callback: vmlinux +$MOD_LIVEPATCH: restore_console_loglevel: restoring console_loglevel +livepatch: '$MOD_LIVEPATCH': starting unpatching transition +livepatch: '$MOD_LIVEPATCH': completing unpatching transition +$MOD_LIVEPATCH: post_unpatch_callback: vmlinux +$MOD_LIVEPATCH: free_loglevel_state: freeing space for the stored console_loglevel +livepatch: '$MOD_LIVEPATCH': unpatching complete +% rmmod $MOD_LIVEPATCH" + + +# TEST: Take over system state change by a cumulative patch + +echo -n "TEST: taking over system state modification ... " +dmesg -C + +load_lp $MOD_LIVEPATCH +load_lp $MOD_LIVEPATCH2 +unload_lp $MOD_LIVEPATCH +disable_lp $MOD_LIVEPATCH2 +unload_lp $MOD_LIVEPATCH2 + +check_result "% modprobe $MOD_LIVEPATCH +livepatch: enabling patch '$MOD_LIVEPATCH' +livepatch: '$MOD_LIVEPATCH': initializing patching transition +$MOD_LIVEPATCH: pre_patch_callback: vmlinux +$MOD_LIVEPATCH: allocate_loglevel_state: allocating space to store console_loglevel +livepatch: '$MOD_LIVEPATCH': starting patching transition +livepatch: '$MOD_LIVEPATCH': completing patching transition +$MOD_LIVEPATCH: post_patch_callback: vmlinux +$MOD_LIVEPATCH: fix_console_loglevel: fixing console_loglevel +livepatch: '$MOD_LIVEPATCH': patching complete +% modprobe $MOD_LIVEPATCH2 +livepatch: enabling patch '$MOD_LIVEPATCH2' +livepatch: '$MOD_LIVEPATCH2': initializing patching transition +$MOD_LIVEPATCH2: pre_patch_callback: vmlinux +$MOD_LIVEPATCH2: allocate_loglevel_state: space to store console_loglevel already allocated +livepatch: '$MOD_LIVEPATCH2': starting patching transition +livepatch: '$MOD_LIVEPATCH2': completing patching transition +$MOD_LIVEPATCH2: post_patch_callback: vmlinux +$MOD_LIVEPATCH2: fix_console_loglevel: taking over the console_loglevel change +livepatch: '$MOD_LIVEPATCH2': patching complete +% rmmod $MOD_LIVEPATCH +% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH2/enabled +livepatch: '$MOD_LIVEPATCH2': initializing unpatching transition +$MOD_LIVEPATCH2: pre_unpatch_callback: vmlinux +$MOD_LIVEPATCH2: restore_console_loglevel: restoring console_loglevel +livepatch: '$MOD_LIVEPATCH2': starting unpatching transition +livepatch: '$MOD_LIVEPATCH2': completing unpatching transition +$MOD_LIVEPATCH2: post_unpatch_callback: vmlinux +$MOD_LIVEPATCH2: free_loglevel_state: freeing space for the stored console_loglevel +livepatch: '$MOD_LIVEPATCH2': unpatching complete +% rmmod $MOD_LIVEPATCH2" + + +# TEST: Take over system state change by a cumulative patch + +echo -n "TEST: compatible cumulative livepatches ... " +dmesg -C + +load_lp $MOD_LIVEPATCH2 +load_lp $MOD_LIVEPATCH3 +unload_lp $MOD_LIVEPATCH2 +load_lp $MOD_LIVEPATCH2 +disable_lp $MOD_LIVEPATCH2 +unload_lp $MOD_LIVEPATCH2 +unload_lp $MOD_LIVEPATCH3 + +check_result "% modprobe $MOD_LIVEPATCH2 +livepatch: enabling patch '$MOD_LIVEPATCH2' +livepatch: '$MOD_LIVEPATCH2': initializing patching transition +$MOD_LIVEPATCH2: pre_patch_callback: vmlinux +$MOD_LIVEPATCH2: allocate_loglevel_state: allocating space to store console_loglevel +livepatch: '$MOD_LIVEPATCH2': starting patching transition +livepatch: '$MOD_LIVEPATCH2': completing patching transition +$MOD_LIVEPATCH2: post_patch_callback: vmlinux +$MOD_LIVEPATCH2: fix_console_loglevel: fixing console_loglevel +livepatch: '$MOD_LIVEPATCH2': patching complete +% modprobe $MOD_LIVEPATCH3 +livepatch: enabling patch '$MOD_LIVEPATCH3' +livepatch: '$MOD_LIVEPATCH3': initializing patching transition +$MOD_LIVEPATCH3: pre_patch_callback: vmlinux +$MOD_LIVEPATCH3: allocate_loglevel_state: space to store console_loglevel already allocated +livepatch: '$MOD_LIVEPATCH3': starting patching transition +livepatch: '$MOD_LIVEPATCH3': completing patching transition +$MOD_LIVEPATCH3: post_patch_callback: vmlinux +$MOD_LIVEPATCH3: fix_console_loglevel: taking over the console_loglevel change +livepatch: '$MOD_LIVEPATCH3': patching complete +% rmmod $MOD_LIVEPATCH2 +% modprobe $MOD_LIVEPATCH2 +livepatch: enabling patch '$MOD_LIVEPATCH2' +livepatch: '$MOD_LIVEPATCH2': initializing patching transition +$MOD_LIVEPATCH2: pre_patch_callback: vmlinux +$MOD_LIVEPATCH2: allocate_loglevel_state: space to store console_loglevel already allocated +livepatch: '$MOD_LIVEPATCH2': starting patching transition +livepatch: '$MOD_LIVEPATCH2': completing patching transition +$MOD_LIVEPATCH2: post_patch_callback: vmlinux +$MOD_LIVEPATCH2: fix_console_loglevel: taking over the console_loglevel change +livepatch: '$MOD_LIVEPATCH2': patching complete +% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH2/enabled +livepatch: '$MOD_LIVEPATCH2': initializing unpatching transition +$MOD_LIVEPATCH2: pre_unpatch_callback: vmlinux +$MOD_LIVEPATCH2: restore_console_loglevel: restoring console_loglevel +livepatch: '$MOD_LIVEPATCH2': starting unpatching transition +livepatch: '$MOD_LIVEPATCH2': completing unpatching transition +$MOD_LIVEPATCH2: post_unpatch_callback: vmlinux +$MOD_LIVEPATCH2: free_loglevel_state: freeing space for the stored console_loglevel +livepatch: '$MOD_LIVEPATCH2': unpatching complete +% rmmod $MOD_LIVEPATCH2 +% rmmod $MOD_LIVEPATCH3" + + +# TEST: Failure caused by incompatible cumulative livepatches + +echo -n "TEST: incompatible cumulative livepatches ... " +dmesg -C + +load_lp $MOD_LIVEPATCH2 +load_failing_mod $MOD_LIVEPATCH +disable_lp $MOD_LIVEPATCH2 +unload_lp $MOD_LIVEPATCH2 + +check_result "% modprobe $MOD_LIVEPATCH2 +livepatch: enabling patch '$MOD_LIVEPATCH2' +livepatch: '$MOD_LIVEPATCH2': initializing patching transition +$MOD_LIVEPATCH2: pre_patch_callback: vmlinux +$MOD_LIVEPATCH2: allocate_loglevel_state: allocating space to store console_loglevel +livepatch: '$MOD_LIVEPATCH2': starting patching transition +livepatch: '$MOD_LIVEPATCH2': completing patching transition +$MOD_LIVEPATCH2: post_patch_callback: vmlinux +$MOD_LIVEPATCH2: fix_console_loglevel: fixing console_loglevel +livepatch: '$MOD_LIVEPATCH2': patching complete +% modprobe $MOD_LIVEPATCH +livepatch: Livepatch patch ($MOD_LIVEPATCH) is not compatible with the already installed livepatches. +modprobe: ERROR: could not insert '$MOD_LIVEPATCH': Invalid argument +% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH2/enabled +livepatch: '$MOD_LIVEPATCH2': initializing unpatching transition +$MOD_LIVEPATCH2: pre_unpatch_callback: vmlinux +$MOD_LIVEPATCH2: restore_console_loglevel: restoring console_loglevel +livepatch: '$MOD_LIVEPATCH2': starting unpatching transition +livepatch: '$MOD_LIVEPATCH2': completing unpatching transition +$MOD_LIVEPATCH2: post_unpatch_callback: vmlinux +$MOD_LIVEPATCH2: free_loglevel_state: freeing space for the stored console_loglevel +livepatch: '$MOD_LIVEPATCH2': unpatching complete +% rmmod $MOD_LIVEPATCH2" + +exit 0 |