1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (C) 2022 Song Liu <song@kernel.org>
4
5 . $(dirname $0)/functions.sh
6
7 MOD_LIVEPATCH=test_klp_livepatch
8
9 setup_config
10
11 # - load a livepatch and verifies the sysfs en
12
13 start_test "sysfs test"
14
15 load_lp $MOD_LIVEPATCH
16
17 check_sysfs_rights "$MOD_LIVEPATCH" "" "drwxr-
18 check_sysfs_rights "$MOD_LIVEPATCH" "enabled"
19 check_sysfs_value "$MOD_LIVEPATCH" "enabled"
20 check_sysfs_rights "$MOD_LIVEPATCH" "force" "-
21 check_sysfs_rights "$MOD_LIVEPATCH" "replace"
22 check_sysfs_rights "$MOD_LIVEPATCH" "transitio
23 check_sysfs_value "$MOD_LIVEPATCH" "transitio
24 check_sysfs_rights "$MOD_LIVEPATCH" "vmlinux/p
25 check_sysfs_value "$MOD_LIVEPATCH" "vmlinux/p
26
27 disable_lp $MOD_LIVEPATCH
28
29 unload_lp $MOD_LIVEPATCH
30
31 check_result "% insmod test_modules/$MOD_LIVEP
32 livepatch: enabling patch '$MOD_LIVEPATCH'
33 livepatch: '$MOD_LIVEPATCH': initializing patc
34 livepatch: '$MOD_LIVEPATCH': starting patching
35 livepatch: '$MOD_LIVEPATCH': completing patchi
36 livepatch: '$MOD_LIVEPATCH': patching complete
37 % echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATC
38 livepatch: '$MOD_LIVEPATCH': initializing unpa
39 livepatch: '$MOD_LIVEPATCH': starting unpatchi
40 livepatch: '$MOD_LIVEPATCH': completing unpatc
41 livepatch: '$MOD_LIVEPATCH': unpatching comple
42 % rmmod $MOD_LIVEPATCH"
43
44 start_test "sysfs test object/patched"
45
46 MOD_LIVEPATCH=test_klp_callbacks_demo
47 MOD_TARGET=test_klp_callbacks_mod
48 load_lp $MOD_LIVEPATCH
49
50 # check the "patch" file changes as target mod
51 check_sysfs_value "$MOD_LIVEPATCH" "$MOD_TARG
52 load_mod $MOD_TARGET
53 check_sysfs_value "$MOD_LIVEPATCH" "$MOD_TARG
54 unload_mod $MOD_TARGET
55 check_sysfs_value "$MOD_LIVEPATCH" "$MOD_TARG
56
57 disable_lp $MOD_LIVEPATCH
58 unload_lp $MOD_LIVEPATCH
59
60 check_result "% insmod test_modules/test_klp_c
61 livepatch: enabling patch 'test_klp_callbacks_
62 livepatch: 'test_klp_callbacks_demo': initiali
63 test_klp_callbacks_demo: pre_patch_callback: v
64 livepatch: 'test_klp_callbacks_demo': starting
65 livepatch: 'test_klp_callbacks_demo': completi
66 test_klp_callbacks_demo: post_patch_callback:
67 livepatch: 'test_klp_callbacks_demo': patching
68 % insmod test_modules/test_klp_callbacks_mod.k
69 livepatch: applying patch 'test_klp_callbacks_
70 test_klp_callbacks_demo: pre_patch_callback: t
71 test_klp_callbacks_demo: post_patch_callback:
72 test_klp_callbacks_mod: test_klp_callbacks_mod
73 % rmmod test_klp_callbacks_mod
74 test_klp_callbacks_mod: test_klp_callbacks_mod
75 test_klp_callbacks_demo: pre_unpatch_callback:
76 livepatch: reverting patch 'test_klp_callbacks
77 test_klp_callbacks_demo: post_unpatch_callback
78 % echo 0 > /sys/kernel/livepatch/test_klp_call
79 livepatch: 'test_klp_callbacks_demo': initiali
80 test_klp_callbacks_demo: pre_unpatch_callback:
81 livepatch: 'test_klp_callbacks_demo': starting
82 livepatch: 'test_klp_callbacks_demo': completi
83 test_klp_callbacks_demo: post_unpatch_callback
84 livepatch: 'test_klp_callbacks_demo': unpatchi
85 % rmmod test_klp_callbacks_demo"
86
87 start_test "sysfs test replace enabled"
88
89 MOD_LIVEPATCH=test_klp_atomic_replace
90 load_lp $MOD_LIVEPATCH replace=1
91
92 check_sysfs_rights "$MOD_LIVEPATCH" "replace"
93 check_sysfs_value "$MOD_LIVEPATCH" "replace"
94
95 disable_lp $MOD_LIVEPATCH
96 unload_lp $MOD_LIVEPATCH
97
98 check_result "% insmod test_modules/$MOD_LIVEP
99 livepatch: enabling patch '$MOD_LIVEPATCH'
100 livepatch: '$MOD_LIVEPATCH': initializing patc
101 livepatch: '$MOD_LIVEPATCH': starting patching
102 livepatch: '$MOD_LIVEPATCH': completing patchi
103 livepatch: '$MOD_LIVEPATCH': patching complete
104 % echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATC
105 livepatch: '$MOD_LIVEPATCH': initializing unpa
106 livepatch: '$MOD_LIVEPATCH': starting unpatchi
107 livepatch: '$MOD_LIVEPATCH': completing unpatc
108 livepatch: '$MOD_LIVEPATCH': unpatching comple
109 % rmmod $MOD_LIVEPATCH"
110
111 start_test "sysfs test replace disabled"
112
113 load_lp $MOD_LIVEPATCH replace=0
114
115 check_sysfs_rights "$MOD_LIVEPATCH" "replace"
116 check_sysfs_value "$MOD_LIVEPATCH" "replace"
117
118 disable_lp $MOD_LIVEPATCH
119 unload_lp $MOD_LIVEPATCH
120
121 check_result "% insmod test_modules/$MOD_LIVEP
122 livepatch: enabling patch '$MOD_LIVEPATCH'
123 livepatch: '$MOD_LIVEPATCH': initializing patc
124 livepatch: '$MOD_LIVEPATCH': starting patching
125 livepatch: '$MOD_LIVEPATCH': completing patchi
126 livepatch: '$MOD_LIVEPATCH': patching complete
127 % echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATC
128 livepatch: '$MOD_LIVEPATCH': initializing unpa
129 livepatch: '$MOD_LIVEPATCH': starting unpatchi
130 livepatch: '$MOD_LIVEPATCH': completing unpatc
131 livepatch: '$MOD_LIVEPATCH': unpatching comple
132 % rmmod $MOD_LIVEPATCH"
133
134 exit 0
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