[  225.273926] Running test [R:13260147 T:7 - Livepatch kselftests - Kernel: 5.14.0-239.1872_752481554.el9.x86_64+debug]
[  272.378728] livepatch: kernel.ftrace_enabled = 1
[  272.421174] ===== TEST: target module before livepatch =====
[  272.496185] % modprobe test_klp_callbacks_mod
[  272.540188] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  272.623598] % modprobe test_klp_callbacks_demo
[  272.654483] test_klp_callbacks_demo: tainting kernel with TAINT_LIVEPATCH
[  272.657926] livepatch: enabling patch 'test_klp_callbacks_demo'
[  272.658807] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  272.658974] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  272.659758] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  272.661028] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  272.663228] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  272.663729] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  272.664525] test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  272.665809] livepatch: 'test_klp_callbacks_demo': patching complete
[  272.697210] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  272.699850] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  272.699939] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  272.700825] test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  272.702126] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  272.704086] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  272.704557] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  272.705374] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  272.706852] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  272.727803] % rmmod test_klp_callbacks_demo
[  272.793058] % rmmod test_klp_callbacks_mod
[  272.817330] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  272.968372] ===== TEST: module_coming notifier =====
[  273.041349] % modprobe test_klp_callbacks_demo
[  273.075728] livepatch: enabling patch 'test_klp_callbacks_demo'
[  273.076550] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  273.076632] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  273.077361] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  273.078897] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  273.079340] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  273.080156] livepatch: 'test_klp_callbacks_demo': patching complete
[  273.186140] % modprobe test_klp_callbacks_mod
[  273.217970] livepatch: applying patch 'test_klp_callbacks_demo' to loading module 'test_klp_callbacks_mod'
[  273.219201] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  273.220706] test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  273.223053] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  273.234846] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  273.236360] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  273.236490] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  273.237264] test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  273.238558] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  274.808554] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  274.809327] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  274.810177] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  274.811479] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  274.896200] % rmmod test_klp_callbacks_demo
[  274.963789] % rmmod test_klp_callbacks_mod
[  274.988479] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  275.134291] ===== TEST: module_going notifier =====
[  275.208457] % modprobe test_klp_callbacks_mod
[  275.241443] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  275.323903] % modprobe test_klp_callbacks_demo
[  275.357421] livepatch: enabling patch 'test_klp_callbacks_demo'
[  275.358244] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  275.358324] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  275.359053] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  275.360553] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  276.791387] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  276.791849] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  276.792715] test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  276.794030] livepatch: 'test_klp_callbacks_demo': patching complete
[  276.924693] % rmmod test_klp_callbacks_mod
[  276.949434] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  276.950548] test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  276.951852] livepatch: reverting patch 'test_klp_callbacks_demo' on unloading module 'test_klp_callbacks_mod'
[  276.953064] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  276.980762] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  276.982359] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  276.982440] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  276.983314] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  277.815322] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  277.815512] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  277.816386] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  277.946362] % rmmod test_klp_callbacks_demo
[  278.129379] ===== TEST: module_coming and module_going notifiers =====
[  278.204683] % modprobe test_klp_callbacks_demo
[  278.238611] livepatch: enabling patch 'test_klp_callbacks_demo'
[  278.239600] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  278.239681] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  278.240466] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  278.242079] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  278.242170] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  278.242918] livepatch: 'test_klp_callbacks_demo': patching complete
[  278.351649] % modprobe test_klp_callbacks_mod
[  278.383822] livepatch: applying patch 'test_klp_callbacks_demo' to loading module 'test_klp_callbacks_mod'
[  278.385305] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  278.386804] test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  278.389192] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  278.422442] % rmmod test_klp_callbacks_mod
[  278.449937] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  278.451167] test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  278.452492] livepatch: reverting patch 'test_klp_callbacks_demo' on unloading module 'test_klp_callbacks_mod'
[  278.453715] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  278.478907] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  278.480725] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  278.480807] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  278.481681] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  278.483218] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  278.484576] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  278.485550] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  278.507490] % rmmod test_klp_callbacks_demo
[  278.687392] ===== TEST: target module not present =====
[  278.763116] % modprobe test_klp_callbacks_demo
[  278.797256] livepatch: enabling patch 'test_klp_callbacks_demo'
[  278.798272] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  278.798352] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  278.799138] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  278.801141] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  278.803713] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  278.804526] livepatch: 'test_klp_callbacks_demo': patching complete
[  278.838079] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  278.839563] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  278.839642] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  278.840469] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  278.842710] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  278.842821] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  278.843661] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  278.864411] % rmmod test_klp_callbacks_demo
[  279.041280] ===== TEST: pre-patch callback -ENODEV =====
[  279.118687] % modprobe test_klp_callbacks_mod
[  279.154089] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  279.165467] % modprobe test_klp_callbacks_demo pre_patch_ret=-19
[  279.199436] livepatch: enabling patch 'test_klp_callbacks_demo'
[  279.200270] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  279.200360] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  279.201129] livepatch: pre-patch callback failed for object 'vmlinux'
[  279.201903] livepatch: failed to enable patch 'test_klp_callbacks_demo'
[  279.202870] livepatch: 'test_klp_callbacks_demo': canceling patching transition, going to unpatch
[  279.202876] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  279.203362] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  279.234477] modprobe: ERROR: could not insert 'test_klp_callbacks_demo': No such device
[  279.256851] % rmmod test_klp_callbacks_mod
[  279.283640] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  279.446017] ===== TEST: module_coming + pre-patch callback -ENODEV =====
[  279.521640] % modprobe test_klp_callbacks_demo
[  279.556805] livepatch: enabling patch 'test_klp_callbacks_demo'
[  279.557629] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  279.557710] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  279.558486] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  279.559978] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  279.560071] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  279.560827] livepatch: 'test_klp_callbacks_demo': patching complete
[  279.595252] % echo -19 > /sys/module/test_klp_callbacks_demo/parameters/pre_patch_ret
[  279.616595] % modprobe test_klp_callbacks_mod
[  279.650195] livepatch: applying patch 'test_klp_callbacks_demo' to loading module 'test_klp_callbacks_mod'
[  279.651488] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  279.652977] livepatch: pre-patch callback failed for object 'test_klp_callbacks_mod'
[  279.653951] livepatch: patch 'test_klp_callbacks_demo' failed for module 'test_klp_callbacks_mod', refusing to load module 'test_klp_callbacks_mod'
[  279.682768] modprobe: ERROR: could not insert 'test_klp_callbacks_mod': No such device
[  279.684327] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  279.685653] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  279.685735] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  279.686554] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  279.688117] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  279.688226] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  279.689049] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  279.709672] % rmmod test_klp_callbacks_demo
[  279.899648] ===== TEST: multiple target modules =====
[  279.979268] % modprobe test_klp_callbacks_busy block_transition=N
[  280.013088] test_klp_callbacks_busy: test_klp_callbacks_busy_init
[  280.014088] test_klp_callbacks_busy: busymod_work_func enter
[  280.015050] test_klp_callbacks_busy: busymod_work_func exit
[  280.103824] % modprobe test_klp_callbacks_demo
[  280.142066] livepatch: enabling patch 'test_klp_callbacks_demo'
[  280.142898] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  280.142980] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  280.143710] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_busy -> [MODULE_STATE_LIVE] Normal state
[  280.153582] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  280.155262] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  280.159037] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  280.159815] test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_busy -> [MODULE_STATE_LIVE] Normal state
[  280.161144] livepatch: 'test_klp_callbacks_demo': patching complete
[  280.267448] % modprobe test_klp_callbacks_mod
[  280.301083] livepatch: applying patch 'test_klp_callbacks_demo' to loading module 'test_klp_callbacks_mod'
[  280.302319] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  280.303799] test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  280.306139] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  280.337654] % rmmod test_klp_callbacks_mod
[  280.362407] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  280.363500] test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  280.364787] livepatch: reverting patch 'test_klp_callbacks_demo' on unloading module 'test_klp_callbacks_mod'
[  280.365994] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  280.388345] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  280.390234] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  280.390319] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  280.391139] test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_busy -> [MODULE_STATE_LIVE] Normal state
[  280.392438] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  280.393980] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  280.419705] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  280.420619] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_busy -> [MODULE_STATE_LIVE] Normal state
[  280.422098] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  280.446072] % rmmod test_klp_callbacks_demo
[  280.520800] % rmmod test_klp_callbacks_busy
[  280.546465] test_klp_callbacks_busy: test_klp_callbacks_busy_exit
[  280.719055] ===== TEST: busy target module =====
[  280.798160] % modprobe test_klp_callbacks_busy block_transition=Y
[  280.834652] test_klp_callbacks_busy: test_klp_callbacks_busy_init
[  280.835669] test_klp_callbacks_busy: busymod_work_func enter
[  280.928570] % modprobe test_klp_callbacks_demo
[  280.964396] livepatch: enabling patch 'test_klp_callbacks_demo'
[  280.965536] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  280.965618] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  280.966396] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_busy -> [MODULE_STATE_LIVE] Normal state
[  280.974869] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  281.085775] % modprobe test_klp_callbacks_mod
[  281.119712] livepatch: applying patch 'test_klp_callbacks_demo' to loading module 'test_klp_callbacks_mod'
[  281.121082] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  281.123718] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  281.152988] % rmmod test_klp_callbacks_mod
[  281.179088] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  281.180184] livepatch: reverting patch 'test_klp_callbacks_demo' on unloading module 'test_klp_callbacks_mod'
[  281.181446] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  281.210818] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  281.212368] livepatch: 'test_klp_callbacks_demo': reversing transition from patching to unpatching
[  281.212545] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  281.784173] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  281.811887] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  281.812770] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_busy -> [MODULE_STATE_LIVE] Normal state
[  281.814079] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  281.942152] % rmmod test_klp_callbacks_demo
[  282.011510] % rmmod test_klp_callbacks_busy
[  282.051921] test_klp_callbacks_busy: busymod_work_func exit
[  282.055922] test_klp_callbacks_busy: test_klp_callbacks_busy_exit
[  282.219942] ===== TEST: multiple livepatches =====
[  282.293973] % modprobe test_klp_callbacks_demo
[  282.328576] livepatch: enabling patch 'test_klp_callbacks_demo'
[  282.329459] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  282.329539] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  282.330310] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  282.331817] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  282.332617] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  282.333436] livepatch: 'test_klp_callbacks_demo': patching complete
[  282.441518] % modprobe test_klp_callbacks_demo2
[  282.475620] livepatch: enabling patch 'test_klp_callbacks_demo2'
[  282.476636] livepatch: 'test_klp_callbacks_demo2': initializing patching transition
[  282.476772] test_klp_callbacks_demo2: pre_patch_callback: vmlinux
[  282.477603] livepatch: 'test_klp_callbacks_demo2': starting patching transition
[  282.479233] livepatch: 'test_klp_callbacks_demo2': completing patching transition
[  282.479334] test_klp_callbacks_demo2: post_patch_callback: vmlinux
[  282.480233] livepatch: 'test_klp_callbacks_demo2': patching complete
[  282.514052] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo2/enabled
[  282.515428] livepatch: 'test_klp_callbacks_demo2': initializing unpatching transition
[  282.515506] test_klp_callbacks_demo2: pre_unpatch_callback: vmlinux
[  282.516328] livepatch: 'test_klp_callbacks_demo2': starting unpatching transition
[  282.517909] livepatch: 'test_klp_callbacks_demo2': completing unpatching transition
[  282.518013] test_klp_callbacks_demo2: post_unpatch_callback: vmlinux
[  282.518836] livepatch: 'test_klp_callbacks_demo2': unpatching complete
[  282.523201] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  282.524507] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  282.524563] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  282.525368] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  282.526857] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  282.526961] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  282.527772] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  282.548952] % rmmod test_klp_callbacks_demo2
[  282.623884] % rmmod test_klp_callbacks_demo
[  282.815758] ===== TEST: atomic replace =====
[  282.893871] % modprobe test_klp_callbacks_demo
[  282.929454] livepatch: enabling patch 'test_klp_callbacks_demo'
[  282.930268] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  282.930347] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  282.931124] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  282.932723] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  282.932816] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  282.933559] livepatch: 'test_klp_callbacks_demo': patching complete
[  283.044172] % modprobe test_klp_callbacks_demo2 replace=1
[  283.080923] livepatch: enabling patch 'test_klp_callbacks_demo2'
[  283.081737] livepatch: 'test_klp_callbacks_demo2': initializing patching transition
[  283.081817] test_klp_callbacks_demo2: pre_patch_callback: vmlinux
[  283.082557] livepatch: 'test_klp_callbacks_demo2': starting patching transition
[  283.084117] livepatch: 'test_klp_callbacks_demo2': completing patching transition
[  283.086688] test_klp_callbacks_demo2: post_patch_callback: vmlinux
[  283.087530] livepatch: 'test_klp_callbacks_demo2': patching complete
[  283.123069] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo2/enabled
[  283.124475] livepatch: 'test_klp_callbacks_demo2': initializing unpatching transition
[  283.124560] test_klp_callbacks_demo2: pre_unpatch_callback: vmlinux
[  283.125506] livepatch: 'test_klp_callbacks_demo2': starting unpatching transition
[  283.127547] livepatch: 'test_klp_callbacks_demo2': completing unpatching transition
[  283.128580] test_klp_callbacks_demo2: post_unpatch_callback: vmlinux
[  283.129812] livepatch: 'test_klp_callbacks_demo2': unpatching complete
[  283.153149] % rmmod test_klp_callbacks_demo2
[  283.220085] % rmmod test_klp_callbacks_demo