| #!/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 |
| |
| setup_config |
| |
| |
| # Load and remove a module that modifies the system state |
| |
| start_test "system state modification" |
| |
| 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" |
| |
| |
| # Take over system state change by a cumulative patch |
| |
| start_test "taking over system state modification" |
| |
| 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" |
| |
| |
| # Take over system state change by a cumulative patch |
| |
| start_test "compatible cumulative livepatches" |
| |
| 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" |
| |
| |
| # Failure caused by incompatible cumulative livepatches |
| |
| start_test "incompatible cumulative livepatches" |
| |
| 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 |
