diff --git a/tools/testing/selftests/livepatch/test-sysfs.sh b/tools/testing/selftests/livepatch/test-sysfs.sh index 7fa2223f9533..fed656021271 100755 --- a/tools/testing/selftests/livepatch/test-sysfs.sh +++ b/tools/testing/selftests/livepatch/test-sysfs.sh @@ -9,6 +9,7 @@ MOD_LIVEPATCH2=test_klp_callbacks_demo MOD_LIVEPATCH3=test_klp_syscall HAS_PATCH_ATTR=0 +HAS_REPLACE_ATTR=0 setup_config @@ -22,7 +23,6 @@ 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 "$MOD_LIVEPATCH" "replace" "-r--r--r--" check_sysfs_rights "$MOD_LIVEPATCH" "stack_order" "-r--r--r--" check_sysfs_value "$MOD_LIVEPATCH" "stack_order" "1" check_sysfs_rights "$MOD_LIVEPATCH" "transition" "-r--r--r--" @@ -34,6 +34,11 @@ if does_sysfs_exist "$MOD_LIVEPATCH/vmlinux" "patched"; then HAS_PATCH_ATTR=1 fi +if does_sysfs_exist "$MOD_LIVEPATCH" "replace"; then + check_sysfs_rights "$MOD_LIVEPATCH" "replace" "-r--r--r--" + HAS_REPLACE_ATTR=1 +fi + disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH @@ -95,52 +100,54 @@ livepatch: '$MOD_LIVEPATCH2': unpatching complete % rmmod $MOD_LIVEPATCH2" fi -start_test "sysfs test replace enabled" +if [[ "$HAS_REPLACE_ATTR" == "1" ]]; then + start_test "sysfs test replace enabled" -MOD_LIVEPATCH=test_klp_atomic_replace -load_lp $MOD_LIVEPATCH replace=1 + MOD_ATOMIC_REPLACE=test_klp_atomic_replace + load_lp $MOD_ATOMIC_REPLACE replace=1 -check_sysfs_rights "$MOD_LIVEPATCH" "replace" "-r--r--r--" -check_sysfs_value "$MOD_LIVEPATCH" "replace" "1" + check_sysfs_rights "$MOD_ATOMIC_REPLACE" "replace" "-r--r--r--" + check_sysfs_value "$MOD_ATOMIC_REPLACE" "replace" "1" -disable_lp $MOD_LIVEPATCH -unload_lp $MOD_LIVEPATCH + disable_lp $MOD_ATOMIC_REPLACE + unload_lp $MOD_ATOMIC_REPLACE -check_result "% insmod test_modules/$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 -% echo 0 > $SYSFS_KLP_DIR/$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 $MOD_LIVEPATCH" + check_result "% insmod test_modules/$MOD_ATOMIC_REPLACE.ko replace=1 +livepatch: enabling patch '$MOD_ATOMIC_REPLACE' +livepatch: '$MOD_ATOMIC_REPLACE': initializing patching transition +livepatch: '$MOD_ATOMIC_REPLACE': starting patching transition +livepatch: '$MOD_ATOMIC_REPLACE': completing patching transition +livepatch: '$MOD_ATOMIC_REPLACE': patching complete +% echo 0 > $SYSFS_KLP_DIR/$MOD_ATOMIC_REPLACE/enabled +livepatch: '$MOD_ATOMIC_REPLACE': initializing unpatching transition +livepatch: '$MOD_ATOMIC_REPLACE': starting unpatching transition +livepatch: '$MOD_ATOMIC_REPLACE': completing unpatching transition +livepatch: '$MOD_ATOMIC_REPLACE': unpatching complete +% rmmod $MOD_ATOMIC_REPLACE" -start_test "sysfs test replace disabled" + start_test "sysfs test replace disabled" -load_lp $MOD_LIVEPATCH replace=0 + load_lp $MOD_ATOMIC_REPLACE replace=0 -check_sysfs_rights "$MOD_LIVEPATCH" "replace" "-r--r--r--" -check_sysfs_value "$MOD_LIVEPATCH" "replace" "0" + check_sysfs_rights "$MOD_ATOMIC_REPLACE" "replace" "-r--r--r--" + check_sysfs_value "$MOD_ATOMIC_REPLACE" "replace" "0" -disable_lp $MOD_LIVEPATCH -unload_lp $MOD_LIVEPATCH + disable_lp $MOD_ATOMIC_REPLACE + unload_lp $MOD_ATOMIC_REPLACE -check_result "% insmod test_modules/$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 -% echo 0 > $SYSFS_KLP_DIR/$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 $MOD_LIVEPATCH" + check_result "% insmod test_modules/$MOD_ATOMIC_REPLACE.ko replace=0 +livepatch: enabling patch '$MOD_ATOMIC_REPLACE' +livepatch: '$MOD_ATOMIC_REPLACE': initializing patching transition +livepatch: '$MOD_ATOMIC_REPLACE': starting patching transition +livepatch: '$MOD_ATOMIC_REPLACE': completing patching transition +livepatch: '$MOD_ATOMIC_REPLACE': patching complete +% echo 0 > $SYSFS_KLP_DIR/$MOD_ATOMIC_REPLACE/enabled +livepatch: '$MOD_ATOMIC_REPLACE': initializing unpatching transition +livepatch: '$MOD_ATOMIC_REPLACE': starting unpatching transition +livepatch: '$MOD_ATOMIC_REPLACE': completing unpatching transition +livepatch: '$MOD_ATOMIC_REPLACE': unpatching complete +% rmmod $MOD_ATOMIC_REPLACE" +fi start_test "sysfs test stack_order value"