[  206.270568] Running test [R:13286695 T:7 - Livepatch kselftests - Kernel: 5.14.0-243.1946_757261768.el9.x86_64+debug]
[  268.641651] livepatch: kernel.ftrace_enabled = 1
[  268.673470] ===== TEST: target module before livepatch =====
[  268.745898] % modprobe test_klp_callbacks_mod
[  268.774651] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  268.876978] % modprobe test_klp_callbacks_demo
[  268.900487] test_klp_callbacks_demo: tainting kernel with TAINT_LIVEPATCH
[  268.905621] livepatch: enabling patch 'test_klp_callbacks_demo'
[  268.906537] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  268.906725] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  268.907379] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  268.908444] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  268.910976] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  268.911551] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  268.912213] test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  268.913219] livepatch: 'test_klp_callbacks_demo': patching complete
[  268.941208] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  268.943964] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  268.944008] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  268.944781] test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  268.945827] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  268.947937] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  268.948421] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  268.949118] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  268.950199] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  268.967659] % rmmod test_klp_callbacks_demo
[  269.008321] % rmmod test_klp_callbacks_mod
[  269.025854] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  269.163875] ===== TEST: module_coming notifier =====
[  269.238889] % modprobe test_klp_callbacks_demo
[  269.263841] livepatch: enabling patch 'test_klp_callbacks_demo'
[  269.264566] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  269.264652] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  269.265292] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  269.267191] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  269.267265] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  269.267910] livepatch: 'test_klp_callbacks_demo': patching complete
[  269.366932] % modprobe test_klp_callbacks_mod
[  269.389728] livepatch: applying patch 'test_klp_callbacks_demo' to loading module 'test_klp_callbacks_mod'
[  269.390726] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  269.391905] test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  269.394275] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  269.405053] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  269.406330] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  269.406430] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  269.407276] test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  269.408340] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  269.410584] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  269.410653] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  269.411342] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  269.412372] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  269.429325] % rmmod test_klp_callbacks_demo
[  269.471310] % rmmod test_klp_callbacks_mod
[  269.490187] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  269.636958] ===== TEST: module_going notifier =====
[  269.706924] % modprobe test_klp_callbacks_mod
[  269.731134] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  269.809272] % modprobe test_klp_callbacks_demo
[  269.834802] livepatch: enabling patch 'test_klp_callbacks_demo'
[  269.835501] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  269.835587] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  269.836187] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  269.837200] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  269.839267] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  269.839341] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  269.840002] test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_LIVE] Normal state
[  269.841015] livepatch: 'test_klp_callbacks_demo': patching complete
[  269.882019] % rmmod test_klp_callbacks_mod
[  269.900010] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  269.904916] test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  269.905994] livepatch: reverting patch 'test_klp_callbacks_demo' on unloading module 'test_klp_callbacks_mod'
[  269.906947] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  269.918290] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  269.920306] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  269.920381] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  269.921092] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  269.922958] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  269.923027] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  269.923809] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  269.940134] % rmmod test_klp_callbacks_demo
[  270.093303] ===== TEST: module_coming and module_going notifiers =====
[  270.164983] % modprobe test_klp_callbacks_demo
[  270.191734] livepatch: enabling patch 'test_klp_callbacks_demo'
[  270.192355] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  270.192440] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  270.193028] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  270.194982] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  270.195052] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  270.195798] livepatch: 'test_klp_callbacks_demo': patching complete
[  270.291440] % modprobe test_klp_callbacks_mod
[  270.315454] livepatch: applying patch 'test_klp_callbacks_demo' to loading module 'test_klp_callbacks_mod'
[  270.316473] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  270.317640] test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  270.319945] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  270.344565] % rmmod test_klp_callbacks_mod
[  270.362423] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  270.363343] test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  270.364477] livepatch: reverting patch 'test_klp_callbacks_demo' on unloading module 'test_klp_callbacks_mod'
[  270.365458] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  270.375401] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  270.376632] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  270.376848] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  270.377510] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  270.379577] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  270.379650] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  270.380436] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  270.397128] % rmmod test_klp_callbacks_demo
[  270.560245] ===== TEST: target module not present =====
[  270.634363] % modprobe test_klp_callbacks_demo
[  270.662335] livepatch: enabling patch 'test_klp_callbacks_demo'
[  270.663022] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  270.663154] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  270.663777] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  270.665730] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  270.665799] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  270.666470] livepatch: 'test_klp_callbacks_demo': patching complete
[  270.693335] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  270.694489] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  270.694536] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  270.695335] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  270.697519] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  270.697584] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  270.698355] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  270.715855] % rmmod test_klp_callbacks_demo
[  270.881764] ===== TEST: pre-patch callback -ENODEV =====
[  270.961877] % modprobe test_klp_callbacks_mod
[  270.986588] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  270.997292] % modprobe test_klp_callbacks_demo pre_patch_ret=-19
[  271.024168] livepatch: enabling patch 'test_klp_callbacks_demo'
[  271.024848] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  271.024950] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  271.025573] livepatch: pre-patch callback failed for object 'vmlinux'
[  271.026425] livepatch: failed to enable patch 'test_klp_callbacks_demo'
[  271.027319] livepatch: 'test_klp_callbacks_demo': canceling patching transition, going to unpatch
[  271.027326] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  271.028679] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  271.037675] modprobe: ERROR: could not insert 'test_klp_callbacks_demo': No such device
[  271.055692] % rmmod test_klp_callbacks_mod
[  271.073825] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  271.225296] ===== TEST: module_coming + pre-patch callback -ENODEV =====
[  271.304180] % modprobe test_klp_callbacks_demo
[  271.334607] livepatch: enabling patch 'test_klp_callbacks_demo'
[  271.335523] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  271.335631] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  271.336415] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  271.338650] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  271.338951] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  271.339714] livepatch: 'test_klp_callbacks_demo': patching complete
[  271.369163] % echo -19 > /sys/module/test_klp_callbacks_demo/parameters/pre_patch_ret
[  271.387370] % modprobe test_klp_callbacks_mod
[  271.418304] livepatch: applying patch 'test_klp_callbacks_demo' to loading module 'test_klp_callbacks_mod'
[  271.419527] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  271.420741] livepatch: pre-patch callback failed for object 'test_klp_callbacks_mod'
[  271.421518] livepatch: patch 'test_klp_callbacks_demo' failed for module 'test_klp_callbacks_mod', refusing to load module 'test_klp_callbacks_mod'
[  271.431044] modprobe: ERROR: could not insert 'test_klp_callbacks_mod': No such device
[  271.432272] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  271.434090] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  271.434189] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  271.434893] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  271.436917] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  271.436990] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  271.437778] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  271.458043] % rmmod test_klp_callbacks_demo
[  271.647114] ===== TEST: multiple target modules =====
[  271.741296] % modprobe test_klp_callbacks_busy block_transition=N
[  271.769596] test_klp_callbacks_busy: test_klp_callbacks_busy_init
[  271.770455] test_klp_callbacks_busy: busymod_work_func enter
[  271.771150] test_klp_callbacks_busy: busymod_work_func exit
[  271.864211] % modprobe test_klp_callbacks_demo
[  271.891721] livepatch: enabling patch 'test_klp_callbacks_demo'
[  271.892360] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  271.892460] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  271.893050] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_busy -> [MODULE_STATE_LIVE] Normal state
[  271.898394] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  271.899992] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  271.900079] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  271.900780] test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_busy -> [MODULE_STATE_LIVE] Normal state
[  271.901836] livepatch: 'test_klp_callbacks_demo': patching complete
[  272.020650] % modprobe test_klp_callbacks_mod
[  272.049486] livepatch: applying patch 'test_klp_callbacks_demo' to loading module 'test_klp_callbacks_mod'
[  272.050479] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  272.051655] test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  272.054002] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  272.079336] % rmmod test_klp_callbacks_mod
[  272.100212] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  272.101183] test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  272.102365] livepatch: reverting patch 'test_klp_callbacks_demo' on unloading module 'test_klp_callbacks_mod'
[  272.103330] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  272.114194] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  272.115385] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  272.115477] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  272.116301] test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_busy -> [MODULE_STATE_LIVE] Normal state
[  272.117336] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  272.119589] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  272.230546] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  272.231343] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_busy -> [MODULE_STATE_LIVE] Normal state
[  272.232528] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  272.250053] % rmmod test_klp_callbacks_demo
[  272.295216] % rmmod test_klp_callbacks_busy
[  272.313643] test_klp_callbacks_busy: test_klp_callbacks_busy_exit
[  272.496195] ===== TEST: busy target module =====
[  272.574431] % modprobe test_klp_callbacks_busy block_transition=Y
[  272.600360] test_klp_callbacks_busy: test_klp_callbacks_busy_init
[  272.601330] test_klp_callbacks_busy: busymod_work_func enter
[  272.689959] % modprobe test_klp_callbacks_demo
[  272.716323] livepatch: enabling patch 'test_klp_callbacks_demo'
[  272.716952] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  272.717036] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  272.717728] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_busy -> [MODULE_STATE_LIVE] Normal state
[  272.723057] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  272.836766] % modprobe test_klp_callbacks_mod
[  272.859305] livepatch: applying patch 'test_klp_callbacks_demo' to loading module 'test_klp_callbacks_mod'
[  272.860299] test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init
[  272.862582] test_klp_callbacks_mod: test_klp_callbacks_mod_init
[  272.888126] % rmmod test_klp_callbacks_mod
[  272.906450] test_klp_callbacks_mod: test_klp_callbacks_mod_exit
[  272.907336] livepatch: reverting patch 'test_klp_callbacks_demo' on unloading module 'test_klp_callbacks_mod'
[  272.908385] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away
[  272.918641] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  272.920166] livepatch: 'test_klp_callbacks_demo': reversing transition from patching to unpatching
[  272.920291] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  274.407338] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  274.519199] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  274.519949] test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_busy -> [MODULE_STATE_LIVE] Normal state
[  274.521057] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  274.632593] % rmmod test_klp_callbacks_demo
[  274.672455] % rmmod test_klp_callbacks_busy
[  274.698702] test_klp_callbacks_busy: busymod_work_func exit
[  274.699328] test_klp_callbacks_busy: test_klp_callbacks_busy_exit
[  274.850255] ===== TEST: multiple livepatches =====
[  274.924947] % modprobe test_klp_callbacks_demo
[  274.949356] livepatch: enabling patch 'test_klp_callbacks_demo'
[  274.950064] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  274.950174] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  274.950794] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  274.955217] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  274.955297] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  274.955972] livepatch: 'test_klp_callbacks_demo': patching complete
[  275.073223] % modprobe test_klp_callbacks_demo2
[  275.097524] livepatch: enabling patch 'test_klp_callbacks_demo2'
[  275.098166] livepatch: 'test_klp_callbacks_demo2': initializing patching transition
[  275.098246] test_klp_callbacks_demo2: pre_patch_callback: vmlinux
[  275.098877] livepatch: 'test_klp_callbacks_demo2': starting patching transition
[  275.100805] livepatch: 'test_klp_callbacks_demo2': completing patching transition
[  275.100875] test_klp_callbacks_demo2: post_patch_callback: vmlinux
[  275.101703] livepatch: 'test_klp_callbacks_demo2': patching complete
[  275.131918] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo2/enabled
[  275.133445] livepatch: 'test_klp_callbacks_demo2': initializing unpatching transition
[  275.133488] test_klp_callbacks_demo2: pre_unpatch_callback: vmlinux
[  275.134264] livepatch: 'test_klp_callbacks_demo2': starting unpatching transition
[  275.136388] livepatch: 'test_klp_callbacks_demo2': completing unpatching transition
[  275.136473] test_klp_callbacks_demo2: post_unpatch_callback: vmlinux
[  275.137180] livepatch: 'test_klp_callbacks_demo2': unpatching complete
[  275.139003] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled
[  275.140241] livepatch: 'test_klp_callbacks_demo': initializing unpatching transition
[  275.140272] test_klp_callbacks_demo: pre_unpatch_callback: vmlinux
[  275.141120] livepatch: 'test_klp_callbacks_demo': starting unpatching transition
[  275.142927] livepatch: 'test_klp_callbacks_demo': completing unpatching transition
[  275.142991] test_klp_callbacks_demo: post_unpatch_callback: vmlinux
[  275.143614] livepatch: 'test_klp_callbacks_demo': unpatching complete
[  275.159870] % rmmod test_klp_callbacks_demo2
[  275.202601] % rmmod test_klp_callbacks_demo
[  275.377541] ===== TEST: atomic replace =====
[  275.455003] % modprobe test_klp_callbacks_demo
[  275.481343] livepatch: enabling patch 'test_klp_callbacks_demo'
[  275.482011] livepatch: 'test_klp_callbacks_demo': initializing patching transition
[  275.482120] test_klp_callbacks_demo: pre_patch_callback: vmlinux
[  275.482736] livepatch: 'test_klp_callbacks_demo': starting patching transition
[  275.484633] livepatch: 'test_klp_callbacks_demo': completing patching transition
[  275.484934] test_klp_callbacks_demo: post_patch_callback: vmlinux
[  275.485575] livepatch: 'test_klp_callbacks_demo': patching complete
[  275.587880] % modprobe test_klp_callbacks_demo2 replace=1
[  275.616514] livepatch: enabling patch 'test_klp_callbacks_demo2'
[  275.617208] livepatch: 'test_klp_callbacks_demo2': initializing patching transition
[  275.617296] test_klp_callbacks_demo2: pre_patch_callback: vmlinux
[  275.617923] livepatch: 'test_klp_callbacks_demo2': starting patching transition
[  275.619922] livepatch: 'test_klp_callbacks_demo2': completing patching transition
[  275.620137] test_klp_callbacks_demo2: post_patch_callback: vmlinux
[  275.620808] livepatch: 'test_klp_callbacks_demo2': patching complete
[  275.649137] % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo2/enabled
[  275.650351] livepatch: 'test_klp_callbacks_demo2': initializing unpatching transition
[  275.650404] test_klp_callbacks_demo2: pre_unpatch_callback: vmlinux
[  275.651190] livepatch: 'test_klp_callbacks_demo2': starting unpatching transition
[  275.658737] livepatch: 'test_klp_callbacks_demo2': completing unpatching transition
[  275.658810] test_klp_callbacks_demo2: post_unpatch_callback: vmlinux
[  275.659457] livepatch: 'test_klp_callbacks_demo2': unpatching complete
[  275.680006] % rmmod test_klp_callbacks_demo2
[  275.723580] % rmmod test_klp_callbacks_demo