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:
/
usr
/
src
/
linux-headers-6.8.0-83-generic
/
tools
/
testing
/
selftests
/
livepatch
/ [
drwxr-xr-x
]
upload
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name :
test-sysfs.sh
#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # Copyright (C) 2022 Song Liu <song@kernel.org> . $(dirname $0)/functions.sh MOD_LIVEPATCH=test_klp_livepatch setup_config # - load a livepatch and verifies the sysfs entries work as expected start_test "sysfs test" load_lp $MOD_LIVEPATCH check_sysfs_rights "$MOD_LIVEPATCH" "" "drwxr-xr-x" check_sysfs_rights "$MOD_LIVEPATCH" "enabled" "-rw-r--r--" check_sysfs_value "$MOD_LIVEPATCH" "enabled" "1" check_sysfs_rights "$MOD_LIVEPATCH" "force" "--w-------" check_sysfs_rights "$MOD_LIVEPATCH" "transition" "-r--r--r--" check_sysfs_value "$MOD_LIVEPATCH" "transition" "0" check_sysfs_rights "$MOD_LIVEPATCH" "vmlinux/patched" "-r--r--r--" check_sysfs_value "$MOD_LIVEPATCH" "vmlinux/patched" "1" disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH check_result "% modprobe $MOD_LIVEPATCH livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition livepatch: '$MOD_LIVEPATCH': starting patching transition livepatch: '$MOD_LIVEPATCH': completing patching transition livepatch: '$MOD_LIVEPATCH': patching complete % echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled livepatch: '$MOD_LIVEPATCH': initializing unpatching transition livepatch: '$MOD_LIVEPATCH': starting unpatching transition livepatch: '$MOD_LIVEPATCH': completing unpatching transition livepatch: '$MOD_LIVEPATCH': unpatching complete % rmmod $MOD_LIVEPATCH" start_test "sysfs test object/patched" MOD_LIVEPATCH=test_klp_callbacks_demo MOD_TARGET=test_klp_callbacks_mod load_lp $MOD_LIVEPATCH # check the "patch" file changes as target module loads/unloads check_sysfs_value "$MOD_LIVEPATCH" "$MOD_TARGET/patched" "0" load_mod $MOD_TARGET check_sysfs_value "$MOD_LIVEPATCH" "$MOD_TARGET/patched" "1" unload_mod $MOD_TARGET check_sysfs_value "$MOD_LIVEPATCH" "$MOD_TARGET/patched" "0" disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH check_result "% modprobe test_klp_callbacks_demo livepatch: enabling patch 'test_klp_callbacks_demo' livepatch: 'test_klp_callbacks_demo': initializing patching transition test_klp_callbacks_demo: pre_patch_callback: vmlinux livepatch: 'test_klp_callbacks_demo': starting patching transition livepatch: 'test_klp_callbacks_demo': completing patching transition test_klp_callbacks_demo: post_patch_callback: vmlinux livepatch: 'test_klp_callbacks_demo': patching complete % modprobe test_klp_callbacks_mod livepatch: applying patch 'test_klp_callbacks_demo' to loading module 'test_klp_callbacks_mod' test_klp_callbacks_demo: pre_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init test_klp_callbacks_mod: test_klp_callbacks_mod_init % rmmod test_klp_callbacks_mod test_klp_callbacks_mod: test_klp_callbacks_mod_exit test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away livepatch: reverting patch 'test_klp_callbacks_demo' on unloading module 'test_klp_callbacks_mod' test_klp_callbacks_demo: post_unpatch_callback: test_klp_callbacks_mod -> [MODULE_STATE_GOING] Going away % echo 0 > /sys/kernel/livepatch/test_klp_callbacks_demo/enabled livepatch: 'test_klp_callbacks_demo': initializing unpatching transition test_klp_callbacks_demo: pre_unpatch_callback: vmlinux livepatch: 'test_klp_callbacks_demo': starting unpatching transition livepatch: 'test_klp_callbacks_demo': completing unpatching transition test_klp_callbacks_demo: post_unpatch_callback: vmlinux livepatch: 'test_klp_callbacks_demo': unpatching complete % rmmod test_klp_callbacks_demo" exit 0
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