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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | #!/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 # 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 |