[PATCH livepatch/master v1 6/6] selftests/livepatch: fix test-sysfs.sh execution error

From: George Guo
Date: Thu Nov 21 2024 - 06:14:17 EST


From: George Guo <guodongtai@xxxxxxxxxx>

The script test-sysfs.sh fails with the following error:

$ sudo ./test-sysfs.sh
TEST: sysfs test ... not ok

- expected
+ result
% insmod test_modules/test_klp_livepatch.ko
livepatch: enabling patch 'test_klp_livepatch'
-livepatch: 'test_klp_livepatch': initializing patching transition
-livepatch: 'test_klp_livepatch': starting patching transition
-livepatch: 'test_klp_livepatch': completing patching transition
-livepatch: 'test_klp_livepatch': patching complete
+transition: 'test_klp_livepatch': initializing patching transition
+transition: 'test_klp_livepatch': starting patching transition
+transition: 'test_klp_livepatch': completing patching transition
+transition: 'test_klp_livepatch': patching complete
% echo 0 > /sys/kernel/livepatch/test_klp_livepatch/enabled
-livepatch: 'test_klp_livepatch': initializing unpatching transition
-livepatch: 'test_klp_livepatch': starting unpatching transition
-livepatch: 'test_klp_livepatch': completing unpatching transition
-livepatch: 'test_klp_livepatch': unpatching complete
+transition: 'test_klp_livepatch': initializing unpatching transition
+transition: 'test_klp_livepatch': starting unpatching transition
+transition: 'test_klp_livepatch': completing unpatching transition
+transition: 'test_klp_livepatch': unpatching complete
% rmmod test_klp_livepatch

ERROR: livepatch kselftest(s) failed

The issue arises due to a mismatch in expected log output during livepatch
transition. Specifically, the logs previously contained "livepatch:" but have
now been updated to "transition:". This results in test failures when comparing
the output with the expected values.

This patch updates the expected test output to reflect the new log format.

Signed-off-by: George Guo <guodongtai@xxxxxxxxxx>
---
.../testing/selftests/livepatch/test-sysfs.sh | 64 +++++++++----------
1 file changed, 32 insertions(+), 32 deletions(-)

diff --git a/tools/testing/selftests/livepatch/test-sysfs.sh b/tools/testing/selftests/livepatch/test-sysfs.sh
index 05a14f5a7bfb..f9a27505d7a4 100755
--- a/tools/testing/selftests/livepatch/test-sysfs.sh
+++ b/tools/testing/selftests/livepatch/test-sysfs.sh
@@ -30,15 +30,15 @@ unload_lp $MOD_LIVEPATCH

check_result "% insmod test_modules/$MOD_LIVEPATCH.ko
livepatch: enabling patch '$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
+transition: '$MOD_LIVEPATCH': initializing patching transition
+transition: '$MOD_LIVEPATCH': starting patching transition
+transition: '$MOD_LIVEPATCH': completing patching transition
+transition: '$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: '$MOD_LIVEPATCH': unpatching complete
+transition: '$MOD_LIVEPATCH': initializing unpatching transition
+transition: '$MOD_LIVEPATCH': starting unpatching transition
+transition: '$MOD_LIVEPATCH': completing unpatching transition
+transition: '$MOD_LIVEPATCH': unpatching complete
% rmmod $MOD_LIVEPATCH"

start_test "sysfs test object/patched"
@@ -59,12 +59,12 @@ unload_lp $MOD_LIVEPATCH

check_result "% insmod test_modules/test_klp_callbacks_demo.ko
livepatch: enabling patch 'test_klp_callbacks_demo'
-livepatch: 'test_klp_callbacks_demo': initializing patching transition
+transition: '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
+transition: 'test_klp_callbacks_demo': starting patching transition
+transition: 'test_klp_callbacks_demo': completing patching transition
test_klp_callbacks_demo: post_patch_callback: vmlinux
-livepatch: 'test_klp_callbacks_demo': patching complete
+transition: 'test_klp_callbacks_demo': patching complete
% insmod test_modules/test_klp_callbacks_mod.ko
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
@@ -76,12 +76,12 @@ test_klp_callbacks_demo: pre_unpatch_callback: test_klp_callbacks_mod -> [MODULE
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
+transition: '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
+transition: 'test_klp_callbacks_demo': starting unpatching transition
+transition: 'test_klp_callbacks_demo': completing unpatching transition
test_klp_callbacks_demo: post_unpatch_callback: vmlinux
-livepatch: 'test_klp_callbacks_demo': unpatching complete
+transition: 'test_klp_callbacks_demo': unpatching complete
% rmmod test_klp_callbacks_demo"

start_test "sysfs test replace enabled"
@@ -97,15 +97,15 @@ unload_lp $MOD_LIVEPATCH

check_result "% insmod test_modules/$MOD_LIVEPATCH.ko replace=1
livepatch: enabling patch '$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
+transition: '$MOD_LIVEPATCH': initializing patching transition
+transition: '$MOD_LIVEPATCH': starting patching transition
+transition: '$MOD_LIVEPATCH': completing patching transition
+transition: '$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: '$MOD_LIVEPATCH': unpatching complete
+transition: '$MOD_LIVEPATCH': initializing unpatching transition
+transition: '$MOD_LIVEPATCH': starting unpatching transition
+transition: '$MOD_LIVEPATCH': completing unpatching transition
+transition: '$MOD_LIVEPATCH': unpatching complete
% rmmod $MOD_LIVEPATCH"

start_test "sysfs test replace disabled"
@@ -120,15 +120,15 @@ unload_lp $MOD_LIVEPATCH

check_result "% insmod test_modules/$MOD_LIVEPATCH.ko replace=0
livepatch: enabling patch '$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
+transition: '$MOD_LIVEPATCH': initializing patching transition
+transition: '$MOD_LIVEPATCH': starting patching transition
+transition: '$MOD_LIVEPATCH': completing patching transition
+transition: '$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: '$MOD_LIVEPATCH': unpatching complete
+transition: '$MOD_LIVEPATCH': initializing unpatching transition
+transition: '$MOD_LIVEPATCH': starting unpatching transition
+transition: '$MOD_LIVEPATCH': completing unpatching transition
+transition: '$MOD_LIVEPATCH': unpatching complete
% rmmod $MOD_LIVEPATCH"

exit 0
--
2.39.2