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