| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 1 | #!/bin/bash |
| 2 | # SPDX-License-Identifier: GPL-2.0 |
| 3 | # Copyright (C) 2019 SUSE |
| 4 | |
| 5 | . $(dirname $0)/functions.sh |
| 6 | |
| 7 | MOD_LIVEPATCH=test_klp_state |
| 8 | MOD_LIVEPATCH2=test_klp_state2 |
| 9 | MOD_LIVEPATCH3=test_klp_state3 |
| 10 | |
| 11 | setup_config |
| 12 | |
| 13 | |
| 14 | # Load and remove a module that modifies the system state |
| 15 | |
| 16 | start_test "system state modification" |
| 17 | |
| 18 | load_lp $MOD_LIVEPATCH |
| 19 | disable_lp $MOD_LIVEPATCH |
| 20 | unload_lp $MOD_LIVEPATCH |
| 21 | |
| 22 | check_result "% modprobe $MOD_LIVEPATCH |
| 23 | livepatch: enabling patch '$MOD_LIVEPATCH' |
| 24 | livepatch: '$MOD_LIVEPATCH': initializing patching transition |
| 25 | $MOD_LIVEPATCH: pre_patch_callback: vmlinux |
| 26 | $MOD_LIVEPATCH: allocate_loglevel_state: allocating space to store console_loglevel |
| 27 | livepatch: '$MOD_LIVEPATCH': starting patching transition |
| 28 | livepatch: '$MOD_LIVEPATCH': completing patching transition |
| 29 | $MOD_LIVEPATCH: post_patch_callback: vmlinux |
| 30 | $MOD_LIVEPATCH: fix_console_loglevel: fixing console_loglevel |
| 31 | livepatch: '$MOD_LIVEPATCH': patching complete |
| 32 | % echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled |
| 33 | livepatch: '$MOD_LIVEPATCH': initializing unpatching transition |
| 34 | $MOD_LIVEPATCH: pre_unpatch_callback: vmlinux |
| 35 | $MOD_LIVEPATCH: restore_console_loglevel: restoring console_loglevel |
| 36 | livepatch: '$MOD_LIVEPATCH': starting unpatching transition |
| 37 | livepatch: '$MOD_LIVEPATCH': completing unpatching transition |
| 38 | $MOD_LIVEPATCH: post_unpatch_callback: vmlinux |
| 39 | $MOD_LIVEPATCH: free_loglevel_state: freeing space for the stored console_loglevel |
| 40 | livepatch: '$MOD_LIVEPATCH': unpatching complete |
| 41 | % rmmod $MOD_LIVEPATCH" |
| 42 | |
| 43 | |
| 44 | # Take over system state change by a cumulative patch |
| 45 | |
| 46 | start_test "taking over system state modification" |
| 47 | |
| 48 | load_lp $MOD_LIVEPATCH |
| 49 | load_lp $MOD_LIVEPATCH2 |
| 50 | unload_lp $MOD_LIVEPATCH |
| 51 | disable_lp $MOD_LIVEPATCH2 |
| 52 | unload_lp $MOD_LIVEPATCH2 |
| 53 | |
| 54 | check_result "% modprobe $MOD_LIVEPATCH |
| 55 | livepatch: enabling patch '$MOD_LIVEPATCH' |
| 56 | livepatch: '$MOD_LIVEPATCH': initializing patching transition |
| 57 | $MOD_LIVEPATCH: pre_patch_callback: vmlinux |
| 58 | $MOD_LIVEPATCH: allocate_loglevel_state: allocating space to store console_loglevel |
| 59 | livepatch: '$MOD_LIVEPATCH': starting patching transition |
| 60 | livepatch: '$MOD_LIVEPATCH': completing patching transition |
| 61 | $MOD_LIVEPATCH: post_patch_callback: vmlinux |
| 62 | $MOD_LIVEPATCH: fix_console_loglevel: fixing console_loglevel |
| 63 | livepatch: '$MOD_LIVEPATCH': patching complete |
| 64 | % modprobe $MOD_LIVEPATCH2 |
| 65 | livepatch: enabling patch '$MOD_LIVEPATCH2' |
| 66 | livepatch: '$MOD_LIVEPATCH2': initializing patching transition |
| 67 | $MOD_LIVEPATCH2: pre_patch_callback: vmlinux |
| 68 | $MOD_LIVEPATCH2: allocate_loglevel_state: space to store console_loglevel already allocated |
| 69 | livepatch: '$MOD_LIVEPATCH2': starting patching transition |
| 70 | livepatch: '$MOD_LIVEPATCH2': completing patching transition |
| 71 | $MOD_LIVEPATCH2: post_patch_callback: vmlinux |
| 72 | $MOD_LIVEPATCH2: fix_console_loglevel: taking over the console_loglevel change |
| 73 | livepatch: '$MOD_LIVEPATCH2': patching complete |
| 74 | % rmmod $MOD_LIVEPATCH |
| 75 | % echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH2/enabled |
| 76 | livepatch: '$MOD_LIVEPATCH2': initializing unpatching transition |
| 77 | $MOD_LIVEPATCH2: pre_unpatch_callback: vmlinux |
| 78 | $MOD_LIVEPATCH2: restore_console_loglevel: restoring console_loglevel |
| 79 | livepatch: '$MOD_LIVEPATCH2': starting unpatching transition |
| 80 | livepatch: '$MOD_LIVEPATCH2': completing unpatching transition |
| 81 | $MOD_LIVEPATCH2: post_unpatch_callback: vmlinux |
| 82 | $MOD_LIVEPATCH2: free_loglevel_state: freeing space for the stored console_loglevel |
| 83 | livepatch: '$MOD_LIVEPATCH2': unpatching complete |
| 84 | % rmmod $MOD_LIVEPATCH2" |
| 85 | |
| 86 | |
| 87 | # Take over system state change by a cumulative patch |
| 88 | |
| 89 | start_test "compatible cumulative livepatches" |
| 90 | |
| 91 | load_lp $MOD_LIVEPATCH2 |
| 92 | load_lp $MOD_LIVEPATCH3 |
| 93 | unload_lp $MOD_LIVEPATCH2 |
| 94 | load_lp $MOD_LIVEPATCH2 |
| 95 | disable_lp $MOD_LIVEPATCH2 |
| 96 | unload_lp $MOD_LIVEPATCH2 |
| 97 | unload_lp $MOD_LIVEPATCH3 |
| 98 | |
| 99 | check_result "% modprobe $MOD_LIVEPATCH2 |
| 100 | livepatch: enabling patch '$MOD_LIVEPATCH2' |
| 101 | livepatch: '$MOD_LIVEPATCH2': initializing patching transition |
| 102 | $MOD_LIVEPATCH2: pre_patch_callback: vmlinux |
| 103 | $MOD_LIVEPATCH2: allocate_loglevel_state: allocating space to store console_loglevel |
| 104 | livepatch: '$MOD_LIVEPATCH2': starting patching transition |
| 105 | livepatch: '$MOD_LIVEPATCH2': completing patching transition |
| 106 | $MOD_LIVEPATCH2: post_patch_callback: vmlinux |
| 107 | $MOD_LIVEPATCH2: fix_console_loglevel: fixing console_loglevel |
| 108 | livepatch: '$MOD_LIVEPATCH2': patching complete |
| 109 | % modprobe $MOD_LIVEPATCH3 |
| 110 | livepatch: enabling patch '$MOD_LIVEPATCH3' |
| 111 | livepatch: '$MOD_LIVEPATCH3': initializing patching transition |
| 112 | $MOD_LIVEPATCH3: pre_patch_callback: vmlinux |
| 113 | $MOD_LIVEPATCH3: allocate_loglevel_state: space to store console_loglevel already allocated |
| 114 | livepatch: '$MOD_LIVEPATCH3': starting patching transition |
| 115 | livepatch: '$MOD_LIVEPATCH3': completing patching transition |
| 116 | $MOD_LIVEPATCH3: post_patch_callback: vmlinux |
| 117 | $MOD_LIVEPATCH3: fix_console_loglevel: taking over the console_loglevel change |
| 118 | livepatch: '$MOD_LIVEPATCH3': patching complete |
| 119 | % rmmod $MOD_LIVEPATCH2 |
| 120 | % modprobe $MOD_LIVEPATCH2 |
| 121 | livepatch: enabling patch '$MOD_LIVEPATCH2' |
| 122 | livepatch: '$MOD_LIVEPATCH2': initializing patching transition |
| 123 | $MOD_LIVEPATCH2: pre_patch_callback: vmlinux |
| 124 | $MOD_LIVEPATCH2: allocate_loglevel_state: space to store console_loglevel already allocated |
| 125 | livepatch: '$MOD_LIVEPATCH2': starting patching transition |
| 126 | livepatch: '$MOD_LIVEPATCH2': completing patching transition |
| 127 | $MOD_LIVEPATCH2: post_patch_callback: vmlinux |
| 128 | $MOD_LIVEPATCH2: fix_console_loglevel: taking over the console_loglevel change |
| 129 | livepatch: '$MOD_LIVEPATCH2': patching complete |
| 130 | % echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH2/enabled |
| 131 | livepatch: '$MOD_LIVEPATCH2': initializing unpatching transition |
| 132 | $MOD_LIVEPATCH2: pre_unpatch_callback: vmlinux |
| 133 | $MOD_LIVEPATCH2: restore_console_loglevel: restoring console_loglevel |
| 134 | livepatch: '$MOD_LIVEPATCH2': starting unpatching transition |
| 135 | livepatch: '$MOD_LIVEPATCH2': completing unpatching transition |
| 136 | $MOD_LIVEPATCH2: post_unpatch_callback: vmlinux |
| 137 | $MOD_LIVEPATCH2: free_loglevel_state: freeing space for the stored console_loglevel |
| 138 | livepatch: '$MOD_LIVEPATCH2': unpatching complete |
| 139 | % rmmod $MOD_LIVEPATCH2 |
| 140 | % rmmod $MOD_LIVEPATCH3" |
| 141 | |
| 142 | |
| 143 | # Failure caused by incompatible cumulative livepatches |
| 144 | |
| 145 | start_test "incompatible cumulative livepatches" |
| 146 | |
| 147 | load_lp $MOD_LIVEPATCH2 |
| 148 | load_failing_mod $MOD_LIVEPATCH |
| 149 | disable_lp $MOD_LIVEPATCH2 |
| 150 | unload_lp $MOD_LIVEPATCH2 |
| 151 | |
| 152 | check_result "% modprobe $MOD_LIVEPATCH2 |
| 153 | livepatch: enabling patch '$MOD_LIVEPATCH2' |
| 154 | livepatch: '$MOD_LIVEPATCH2': initializing patching transition |
| 155 | $MOD_LIVEPATCH2: pre_patch_callback: vmlinux |
| 156 | $MOD_LIVEPATCH2: allocate_loglevel_state: allocating space to store console_loglevel |
| 157 | livepatch: '$MOD_LIVEPATCH2': starting patching transition |
| 158 | livepatch: '$MOD_LIVEPATCH2': completing patching transition |
| 159 | $MOD_LIVEPATCH2: post_patch_callback: vmlinux |
| 160 | $MOD_LIVEPATCH2: fix_console_loglevel: fixing console_loglevel |
| 161 | livepatch: '$MOD_LIVEPATCH2': patching complete |
| 162 | % modprobe $MOD_LIVEPATCH |
| 163 | livepatch: Livepatch patch ($MOD_LIVEPATCH) is not compatible with the already installed livepatches. |
| 164 | modprobe: ERROR: could not insert '$MOD_LIVEPATCH': Invalid argument |
| 165 | % echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH2/enabled |
| 166 | livepatch: '$MOD_LIVEPATCH2': initializing unpatching transition |
| 167 | $MOD_LIVEPATCH2: pre_unpatch_callback: vmlinux |
| 168 | $MOD_LIVEPATCH2: restore_console_loglevel: restoring console_loglevel |
| 169 | livepatch: '$MOD_LIVEPATCH2': starting unpatching transition |
| 170 | livepatch: '$MOD_LIVEPATCH2': completing unpatching transition |
| 171 | $MOD_LIVEPATCH2: post_unpatch_callback: vmlinux |
| 172 | $MOD_LIVEPATCH2: free_loglevel_state: freeing space for the stored console_loglevel |
| 173 | livepatch: '$MOD_LIVEPATCH2': unpatching complete |
| 174 | % rmmod $MOD_LIVEPATCH2" |
| 175 | |
| 176 | exit 0 |