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FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[] X-Spam-Flag: NO The modules are being moved from lib/livepatch to tools/testing/selftests/livepatch/test_modules. This code moving will allow writing more complex tests, like for example an userspace C code that will call a livepatched kernel function. The modules are now built as out-of-tree modules, but being part of the kernel source means they will be maintained. Another advantage of the code moving is to be able to easily change, debug and rebuild the tests by running make on the selftests/livepatch directory, which is not currently possible since the modules on lib/livepatch are build and installed using the "modules" target. The current approach also keeps the ability to execute the tests manually by executing the scripts inside selftests/livepatch directory, as it's currently supported. If the modules are modified, they needed to be rebuilt before running the scripts though. The modules are built before running the selftests when using the kselftest invocations: make kselftest TARGETS=livepatch or make -C tools/testing/selftests/livepatch run_tests Having the modules being built as out-of-modules requires changing the currently used 'modprobe' by 'insmod' and adapt the test scripts that check for the kernel message buffer. Now it is possible to only compile the modules by running: make -C tools/testing/selftests/livepatch/ This way the test modules and other test program can be built in order to be packaged if so desired. As there aren't any modules being built on lib/livepatch, remove the TEST_LIVEPATCH Kconfig and it's references. Note: "make gen_tar" packages the pre-built binaries into the tarball. It means that it will store the test modules pre-built for the kernel running on the build host. Note that these modules need not binary compatible with the kernel built from the same sources. But the same is true for other packaged selftest binaries. The entire kernel sources are needed for rebuilding the selftests on another system. Signed-off-by: Marcos Paulo de Souza --- MAINTAINERS | 1 - arch/s390/configs/debug_defconfig | 1 - arch/s390/configs/defconfig | 1 - lib/Kconfig.debug | 22 ---------- lib/Makefile | 2 - lib/livepatch/Makefile | 14 ------ tools/testing/selftests/livepatch/Makefile | 1 + tools/testing/selftests/livepatch/README | 25 ++++++++--- tools/testing/selftests/livepatch/config | 1 - tools/testing/selftests/livepatch/functions.sh | 34 ++++++--------- .../testing/selftests/livepatch/test-callbacks.sh | 50 +++++++++++----------- tools/testing/selftests/livepatch/test-ftrace.sh | 6 +-- .../testing/selftests/livepatch/test-livepatch.sh | 10 ++--- .../selftests/livepatch/test-shadow-vars.sh | 2 +- tools/testing/selftests/livepatch/test-state.sh | 18 ++++---- tools/testing/selftests/livepatch/test-sysfs.sh | 6 +-- .../selftests/livepatch/test_modules/Makefile | 19 ++++++++ .../test_modules}/test_klp_atomic_replace.c | 0 .../test_modules}/test_klp_callbacks_busy.c | 0 .../test_modules}/test_klp_callbacks_demo.c | 0 .../test_modules}/test_klp_callbacks_demo2.c | 0 .../test_modules}/test_klp_callbacks_mod.c | 0 .../livepatch/test_modules}/test_klp_livepatch.c | 0 .../livepatch/test_modules}/test_klp_shadow_vars.c | 0 .../livepatch/test_modules}/test_klp_state.c | 0 .../livepatch/test_modules}/test_klp_state2.c | 0 .../livepatch/test_modules}/test_klp_state3.c | 0 27 files changed, 98 insertions(+), 115 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 788be9ab5b73..abc9e367e947 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12381,7 +12381,6 @@ F: arch/powerpc/include/asm/livepatch.h F: include/linux/livepatch.h F: kernel/livepatch/ F: kernel/module/livepatch.c -F: lib/livepatch/ F: samples/livepatch/ F: tools/testing/selftests/livepatch/ diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig index 438cd92e6080..9672b9f31710 100644 --- a/arch/s390/configs/debug_defconfig +++ b/arch/s390/configs/debug_defconfig @@ -885,4 +885,3 @@ CONFIG_ATOMIC64_SELFTEST=y CONFIG_STRING_SELFTEST=y CONFIG_TEST_BITOPS=m CONFIG_TEST_BPF=m -CONFIG_TEST_LIVEPATCH=m diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig index 1b8150e50f6a..a8a66264a72d 100644 --- a/arch/s390/configs/defconfig +++ b/arch/s390/configs/defconfig @@ -813,4 +813,3 @@ CONFIG_KPROBES_SANITY_TEST=m CONFIG_PERCPU_TEST=m CONFIG_ATOMIC64_SELFTEST=y CONFIG_TEST_BPF=m -CONFIG_TEST_LIVEPATCH=m diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index cc7d53d9dc01..3871900dbf06 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -2871,28 +2871,6 @@ config TEST_MEMCAT_P If unsure, say N. -config TEST_LIVEPATCH - tristate "Test livepatching" - default n - depends on DYNAMIC_DEBUG - depends on LIVEPATCH - depends on m - help - Test kernel livepatching features for correctness. The tests will - load test modules that will be livepatched in various scenarios. - - To run all the livepatching tests: - - make -C tools/testing/selftests TARGETS=livepatch run_tests - - Alternatively, individual tests may be invoked: - - tools/testing/selftests/livepatch/test-callbacks.sh - tools/testing/selftests/livepatch/test-livepatch.sh - tools/testing/selftests/livepatch/test-shadow-vars.sh - - If unsure, say N. - config TEST_OBJAGG tristate "Perform selftest on object aggreration manager" default n diff --git a/lib/Makefile b/lib/Makefile index 6b09731d8e61..95ed57f377fd 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -134,8 +134,6 @@ endif obj-$(CONFIG_TEST_FPU) += test_fpu.o CFLAGS_test_fpu.o += $(FPU_CFLAGS) -obj-$(CONFIG_TEST_LIVEPATCH) += livepatch/ - # Some KUnit files (hooks.o) need to be built-in even when KUnit is a module, # so we can't just use obj-$(CONFIG_KUNIT). ifdef CONFIG_KUNIT diff --git a/lib/livepatch/Makefile b/lib/livepatch/Makefile deleted file mode 100644 index dcc912b3478f..000000000000 --- a/lib/livepatch/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# Makefile for livepatch test code. - -obj-$(CONFIG_TEST_LIVEPATCH) += test_klp_atomic_replace.o \ - test_klp_callbacks_demo.o \ - test_klp_callbacks_demo2.o \ - test_klp_callbacks_busy.o \ - test_klp_callbacks_mod.o \ - test_klp_livepatch.o \ - test_klp_shadow_vars.o \ - test_klp_state.o \ - test_klp_state2.o \ - test_klp_state3.o diff --git a/tools/testing/selftests/livepatch/Makefile b/tools/testing/selftests/livepatch/Makefile index 02fadc9d55e0..119e2bbebe5d 100644 --- a/tools/testing/selftests/livepatch/Makefile +++ b/tools/testing/selftests/livepatch/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 +TEST_GEN_MODS_DIR := test_modules TEST_PROGS_EXTENDED := functions.sh TEST_PROGS := \ test-livepatch.sh \ diff --git a/tools/testing/selftests/livepatch/README b/tools/testing/selftests/livepatch/README index 0942dd5826f8..d2035dd64a2b 100644 --- a/tools/testing/selftests/livepatch/README +++ b/tools/testing/selftests/livepatch/README @@ -13,23 +13,36 @@ the message buffer for only the duration of each individual test.) Config ------ -Set these config options and their prerequisites: +Set CONFIG_LIVEPATCH=y option and it's prerequisites. -CONFIG_LIVEPATCH=y -CONFIG_TEST_LIVEPATCH=m +Building the tests +------------------ + +To only build the tests without running them, run: + + % make -C tools/testing/selftests/livepatch + +The command above will compile all test modules and test programs, making them +ready to be packaged if so desired. Running the tests ----------------- -Test kernel modules are built as part of lib/ (make modules) and need to -be installed (make modules_install) as the test scripts will modprobe -them. +Test kernel modules are built before running the livepatch selftests. The +modules are located under test_modules directory, and are built as out-of-tree +modules. This is specially useful since the same sources can be built and +tested on systems with different kABI, ensuring they the tests are backwards +compatible. The modules will be loaded by the test scripts using insmod. To run the livepatch selftests, from the top of the kernel source tree: % make -C tools/testing/selftests TARGETS=livepatch run_tests +or + + % make kselftest TARGETS=livepatch + Adding tests ------------ diff --git a/tools/testing/selftests/livepatch/config b/tools/testing/selftests/livepatch/config index ad23100cb27c..e88bf518a23a 100644 --- a/tools/testing/selftests/livepatch/config +++ b/tools/testing/selftests/livepatch/config @@ -1,3 +1,2 @@ CONFIG_LIVEPATCH=y CONFIG_DYNAMIC_DEBUG=y -CONFIG_TEST_LIVEPATCH=m diff --git a/tools/testing/selftests/livepatch/functions.sh b/tools/testing/selftests/livepatch/functions.sh index c8416c54b463..e60cf09491a6 100644 --- a/tools/testing/selftests/livepatch/functions.sh +++ b/tools/testing/selftests/livepatch/functions.sh @@ -127,16 +127,14 @@ function loop_until() { done } -function assert_mod() { - local mod="$1" - - modprobe --dry-run "$mod" &>/dev/null -} - function is_livepatch_mod() { local mod="$1" - if [[ $(modinfo "$mod" | awk '/^livepatch:/{print $NF}') == "Y" ]]; then + if [[ ! -f "test_modules/$mod.ko" ]]; then + die "Can't find \"test_modules/$mod.ko\", try \"make\"" + fi + + if [[ $(modinfo "test_modules/$mod.ko" | awk '/^livepatch:/{print $NF}') == "Y" ]]; then return 0 fi @@ -146,9 +144,9 @@ function is_livepatch_mod() { function __load_mod() { local mod="$1"; shift - local msg="% modprobe $mod $*" + local msg="% insmod test_modules/$mod.ko $*" log "${msg%% }" - ret=$(modprobe "$mod" "$@" 2>&1) + ret=$(insmod "test_modules/$mod.ko" "$@" 2>&1) if [[ "$ret" != "" ]]; then die "$ret" fi @@ -161,13 +159,10 @@ function __load_mod() { # load_mod(modname, params) - load a kernel module # modname - module name to load -# params - module parameters to pass to modprobe +# params - module parameters to pass to insmod function load_mod() { local mod="$1"; shift - assert_mod "$mod" || - skip "unable to load module ${mod}, verify CONFIG_TEST_LIVEPATCH=m and run self-tests as root" - is_livepatch_mod "$mod" && die "use load_lp() to load the livepatch module $mod" @@ -177,13 +172,10 @@ function load_mod() { # load_lp_nowait(modname, params) - load a kernel module with a livepatch # but do not wait on until the transition finishes # modname - module name to load -# params - module parameters to pass to modprobe +# params - module parameters to pass to insmod function load_lp_nowait() { local mod="$1"; shift - assert_mod "$mod" || - skip "unable to load module ${mod}, verify CONFIG_TEST_LIVEPATCH=m and run self-tests as root" - is_livepatch_mod "$mod" || die "module $mod is not a livepatch" @@ -196,7 +188,7 @@ function load_lp_nowait() { # load_lp(modname, params) - load a kernel module with a livepatch # modname - module name to load -# params - module parameters to pass to modprobe +# params - module parameters to pass to insmod function load_lp() { local mod="$1"; shift @@ -209,13 +201,13 @@ function load_lp() { # load_failing_mod(modname, params) - load a kernel module, expect to fail # modname - module name to load -# params - module parameters to pass to modprobe +# params - module parameters to pass to insmod function load_failing_mod() { local mod="$1"; shift - local msg="% modprobe $mod $*" + local msg="% insmod test_modules/$mod.ko $*" log "${msg%% }" - ret=$(modprobe "$mod" "$@" 2>&1) + ret=$(insmod "test_modules/$mod.ko" "$@" 2>&1) if [[ "$ret" == "" ]]; then die "$mod unexpectedly loaded" fi diff --git a/tools/testing/selftests/livepatch/test-callbacks.sh b/tools/testing/selftests/livepatch/test-callbacks.sh index 90b26dbb2626..32b150e25b10 100755 --- a/tools/testing/selftests/livepatch/test-callbacks.sh +++ b/tools/testing/selftests/livepatch/test-callbacks.sh @@ -34,9 +34,9 @@ disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH unload_mod $MOD_TARGET -check_result "% modprobe $MOD_TARGET +check_result "% insmod test_modules/$MOD_TARGET.ko $MOD_TARGET: ${MOD_TARGET}_init -% modprobe $MOD_LIVEPATCH +% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition $MOD_LIVEPATCH: pre_patch_callback: vmlinux @@ -81,7 +81,7 @@ disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH unload_mod $MOD_TARGET -check_result "% modprobe $MOD_LIVEPATCH +check_result "% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition $MOD_LIVEPATCH: pre_patch_callback: vmlinux @@ -89,7 +89,7 @@ livepatch: '$MOD_LIVEPATCH': starting patching transition livepatch: '$MOD_LIVEPATCH': completing patching transition $MOD_LIVEPATCH: post_patch_callback: vmlinux livepatch: '$MOD_LIVEPATCH': patching complete -% modprobe $MOD_TARGET +% insmod test_modules/$MOD_TARGET.ko livepatch: applying patch '$MOD_LIVEPATCH' to loading module '$MOD_TARGET' $MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init $MOD_LIVEPATCH: post_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init @@ -129,9 +129,9 @@ unload_mod $MOD_TARGET disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH -check_result "% modprobe $MOD_TARGET +check_result "% insmod test_modules/$MOD_TARGET.ko $MOD_TARGET: ${MOD_TARGET}_init -% modprobe $MOD_LIVEPATCH +% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition $MOD_LIVEPATCH: pre_patch_callback: vmlinux @@ -177,7 +177,7 @@ unload_mod $MOD_TARGET disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH -check_result "% modprobe $MOD_LIVEPATCH +check_result "% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition $MOD_LIVEPATCH: pre_patch_callback: vmlinux @@ -185,7 +185,7 @@ livepatch: '$MOD_LIVEPATCH': starting patching transition livepatch: '$MOD_LIVEPATCH': completing patching transition $MOD_LIVEPATCH: post_patch_callback: vmlinux livepatch: '$MOD_LIVEPATCH': patching complete -% modprobe $MOD_TARGET +% insmod test_modules/$MOD_TARGET.ko livepatch: applying patch '$MOD_LIVEPATCH' to loading module '$MOD_TARGET' $MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init $MOD_LIVEPATCH: post_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init @@ -219,7 +219,7 @@ load_lp $MOD_LIVEPATCH disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH -check_result "% modprobe $MOD_LIVEPATCH +check_result "% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition $MOD_LIVEPATCH: pre_patch_callback: vmlinux @@ -254,9 +254,9 @@ load_mod $MOD_TARGET load_failing_mod $MOD_LIVEPATCH pre_patch_ret=-19 unload_mod $MOD_TARGET -check_result "% modprobe $MOD_TARGET +check_result "% insmod test_modules/$MOD_TARGET.ko $MOD_TARGET: ${MOD_TARGET}_init -% modprobe $MOD_LIVEPATCH pre_patch_ret=-19 +% insmod test_modules/$MOD_LIVEPATCH.ko pre_patch_ret=-19 livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition test_klp_callbacks_demo: pre_patch_callback: vmlinux @@ -265,7 +265,7 @@ livepatch: failed to enable patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': canceling patching transition, going to unpatch livepatch: '$MOD_LIVEPATCH': completing unpatching transition livepatch: '$MOD_LIVEPATCH': unpatching complete -modprobe: ERROR: could not insert '$MOD_LIVEPATCH': No such device +insmod: ERROR: could not insert module test_modules/$MOD_LIVEPATCH.ko: No such device % rmmod $MOD_TARGET $MOD_TARGET: ${MOD_TARGET}_exit" @@ -295,7 +295,7 @@ load_failing_mod $MOD_TARGET disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH -check_result "% modprobe $MOD_LIVEPATCH +check_result "% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition $MOD_LIVEPATCH: pre_patch_callback: vmlinux @@ -304,12 +304,12 @@ livepatch: '$MOD_LIVEPATCH': completing patching transition $MOD_LIVEPATCH: post_patch_callback: vmlinux livepatch: '$MOD_LIVEPATCH': patching complete % echo -19 > /sys/module/$MOD_LIVEPATCH/parameters/pre_patch_ret -% modprobe $MOD_TARGET +% insmod test_modules/$MOD_TARGET.ko livepatch: applying patch '$MOD_LIVEPATCH' to loading module '$MOD_TARGET' $MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init livepatch: pre-patch callback failed for object '$MOD_TARGET' livepatch: patch '$MOD_LIVEPATCH' failed for module '$MOD_TARGET', refusing to load module '$MOD_TARGET' -modprobe: ERROR: could not insert '$MOD_TARGET': No such device +insmod: ERROR: could not insert module test_modules/$MOD_TARGET.ko: No such device % echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled livepatch: '$MOD_LIVEPATCH': initializing unpatching transition $MOD_LIVEPATCH: pre_unpatch_callback: vmlinux @@ -340,11 +340,11 @@ disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH unload_mod $MOD_TARGET_BUSY -check_result "% modprobe $MOD_TARGET_BUSY block_transition=N +check_result "% insmod test_modules/$MOD_TARGET_BUSY.ko block_transition=N $MOD_TARGET_BUSY: ${MOD_TARGET_BUSY}_init $MOD_TARGET_BUSY: busymod_work_func enter $MOD_TARGET_BUSY: busymod_work_func exit -% modprobe $MOD_LIVEPATCH +% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition $MOD_LIVEPATCH: pre_patch_callback: vmlinux @@ -354,7 +354,7 @@ livepatch: '$MOD_LIVEPATCH': completing patching transition $MOD_LIVEPATCH: post_patch_callback: vmlinux $MOD_LIVEPATCH: post_patch_callback: $MOD_TARGET_BUSY -> [MODULE_STATE_LIVE] Normal state livepatch: '$MOD_LIVEPATCH': patching complete -% modprobe $MOD_TARGET +% insmod test_modules/$MOD_TARGET.ko livepatch: applying patch '$MOD_LIVEPATCH' to loading module '$MOD_TARGET' $MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init $MOD_LIVEPATCH: post_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init @@ -421,16 +421,16 @@ disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH unload_mod $MOD_TARGET_BUSY -check_result "% modprobe $MOD_TARGET_BUSY block_transition=Y +check_result "% insmod test_modules/$MOD_TARGET_BUSY.ko block_transition=Y $MOD_TARGET_BUSY: ${MOD_TARGET_BUSY}_init $MOD_TARGET_BUSY: busymod_work_func enter -% modprobe $MOD_LIVEPATCH +% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition $MOD_LIVEPATCH: pre_patch_callback: vmlinux $MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET_BUSY -> [MODULE_STATE_LIVE] Normal state livepatch: '$MOD_LIVEPATCH': starting patching transition -% modprobe $MOD_TARGET +% insmod test_modules/$MOD_TARGET.ko livepatch: applying patch '$MOD_LIVEPATCH' to loading module '$MOD_TARGET' $MOD_LIVEPATCH: pre_patch_callback: $MOD_TARGET -> [MODULE_STATE_COMING] Full formed, running module_init $MOD_TARGET: ${MOD_TARGET}_init @@ -467,7 +467,7 @@ disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH2 unload_lp $MOD_LIVEPATCH -check_result "% modprobe $MOD_LIVEPATCH +check_result "% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition $MOD_LIVEPATCH: pre_patch_callback: vmlinux @@ -475,7 +475,7 @@ livepatch: '$MOD_LIVEPATCH': starting patching transition livepatch: '$MOD_LIVEPATCH': completing patching transition $MOD_LIVEPATCH: post_patch_callback: vmlinux livepatch: '$MOD_LIVEPATCH': patching complete -% modprobe $MOD_LIVEPATCH2 +% insmod test_modules/$MOD_LIVEPATCH2.ko livepatch: enabling patch '$MOD_LIVEPATCH2' livepatch: '$MOD_LIVEPATCH2': initializing patching transition $MOD_LIVEPATCH2: pre_patch_callback: vmlinux @@ -523,7 +523,7 @@ disable_lp $MOD_LIVEPATCH2 unload_lp $MOD_LIVEPATCH2 unload_lp $MOD_LIVEPATCH -check_result "% modprobe $MOD_LIVEPATCH +check_result "% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition $MOD_LIVEPATCH: pre_patch_callback: vmlinux @@ -531,7 +531,7 @@ livepatch: '$MOD_LIVEPATCH': starting patching transition livepatch: '$MOD_LIVEPATCH': completing patching transition $MOD_LIVEPATCH: post_patch_callback: vmlinux livepatch: '$MOD_LIVEPATCH': patching complete -% modprobe $MOD_LIVEPATCH2 replace=1 +% insmod test_modules/$MOD_LIVEPATCH2.ko replace=1 livepatch: enabling patch '$MOD_LIVEPATCH2' livepatch: '$MOD_LIVEPATCH2': initializing patching transition $MOD_LIVEPATCH2: pre_patch_callback: vmlinux diff --git a/tools/testing/selftests/livepatch/test-ftrace.sh b/tools/testing/selftests/livepatch/test-ftrace.sh index 825540a5194d..730218bce99c 100755 --- a/tools/testing/selftests/livepatch/test-ftrace.sh +++ b/tools/testing/selftests/livepatch/test-ftrace.sh @@ -35,7 +35,7 @@ disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH check_result "livepatch: kernel.ftrace_enabled = 0 -% modprobe $MOD_LIVEPATCH +% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition livepatch: failed to register ftrace handler for function 'cmdline_proc_show' (-16) @@ -44,9 +44,9 @@ livepatch: failed to enable patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': canceling patching transition, going to unpatch livepatch: '$MOD_LIVEPATCH': completing unpatching transition livepatch: '$MOD_LIVEPATCH': unpatching complete -modprobe: ERROR: could not insert '$MOD_LIVEPATCH': Device or resource busy +insmod: ERROR: could not insert module test_modules/$MOD_LIVEPATCH.ko: Device or resource busy livepatch: kernel.ftrace_enabled = 1 -% modprobe $MOD_LIVEPATCH +% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition livepatch: '$MOD_LIVEPATCH': starting patching transition diff --git a/tools/testing/selftests/livepatch/test-livepatch.sh b/tools/testing/selftests/livepatch/test-livepatch.sh index 5fe79ac34be1..e3455a6b1158 100755 --- a/tools/testing/selftests/livepatch/test-livepatch.sh +++ b/tools/testing/selftests/livepatch/test-livepatch.sh @@ -31,7 +31,7 @@ if [[ "$(cat /proc/cmdline)" == "$MOD_LIVEPATCH: this has been live patched" ]] die "livepatch kselftest(s) failed" fi -check_result "% modprobe $MOD_LIVEPATCH +check_result "% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition livepatch: '$MOD_LIVEPATCH': starting patching transition @@ -75,14 +75,14 @@ unload_lp $MOD_LIVEPATCH grep 'live patched' /proc/cmdline > /dev/kmsg grep 'live patched' /proc/meminfo > /dev/kmsg -check_result "% modprobe $MOD_LIVEPATCH +check_result "% insmod test_modules/$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 $MOD_LIVEPATCH: this has been live patched -% modprobe $MOD_REPLACE replace=0 +% insmod test_modules/$MOD_REPLACE.ko replace=0 livepatch: enabling patch '$MOD_REPLACE' livepatch: '$MOD_REPLACE': initializing patching transition livepatch: '$MOD_REPLACE': starting patching transition @@ -135,14 +135,14 @@ unload_lp $MOD_REPLACE grep 'live patched' /proc/cmdline > /dev/kmsg grep 'live patched' /proc/meminfo > /dev/kmsg -check_result "% modprobe $MOD_LIVEPATCH +check_result "% insmod test_modules/$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 $MOD_LIVEPATCH: this has been live patched -% modprobe $MOD_REPLACE replace=1 +% insmod test_modules/$MOD_REPLACE.ko replace=1 livepatch: enabling patch '$MOD_REPLACE' livepatch: '$MOD_REPLACE': initializing patching transition livepatch: '$MOD_REPLACE': starting patching transition diff --git a/tools/testing/selftests/livepatch/test-shadow-vars.sh b/tools/testing/selftests/livepatch/test-shadow-vars.sh index e04cb354f56b..1218c155bffe 100755 --- a/tools/testing/selftests/livepatch/test-shadow-vars.sh +++ b/tools/testing/selftests/livepatch/test-shadow-vars.sh @@ -16,7 +16,7 @@ start_test "basic shadow variable API" load_mod $MOD_TEST unload_mod $MOD_TEST -check_result "% modprobe $MOD_TEST +check_result "% insmod test_modules/$MOD_TEST.ko $MOD_TEST: klp_shadow_get(obj=PTR1, id=0x1234) = PTR0 $MOD_TEST: got expected NULL result $MOD_TEST: shadow_ctor: PTR3 -> PTR2 diff --git a/tools/testing/selftests/livepatch/test-state.sh b/tools/testing/selftests/livepatch/test-state.sh index 38656721c958..10a52ac06185 100755 --- a/tools/testing/selftests/livepatch/test-state.sh +++ b/tools/testing/selftests/livepatch/test-state.sh @@ -19,7 +19,7 @@ load_lp $MOD_LIVEPATCH disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH -check_result "% modprobe $MOD_LIVEPATCH +check_result "% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition $MOD_LIVEPATCH: pre_patch_callback: vmlinux @@ -51,7 +51,7 @@ unload_lp $MOD_LIVEPATCH disable_lp $MOD_LIVEPATCH2 unload_lp $MOD_LIVEPATCH2 -check_result "% modprobe $MOD_LIVEPATCH +check_result "% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition $MOD_LIVEPATCH: pre_patch_callback: vmlinux @@ -61,7 +61,7 @@ livepatch: '$MOD_LIVEPATCH': completing patching transition $MOD_LIVEPATCH: post_patch_callback: vmlinux $MOD_LIVEPATCH: fix_console_loglevel: fixing console_loglevel livepatch: '$MOD_LIVEPATCH': patching complete -% modprobe $MOD_LIVEPATCH2 +% insmod test_modules/$MOD_LIVEPATCH2.ko livepatch: enabling patch '$MOD_LIVEPATCH2' livepatch: '$MOD_LIVEPATCH2': initializing patching transition $MOD_LIVEPATCH2: pre_patch_callback: vmlinux @@ -96,7 +96,7 @@ disable_lp $MOD_LIVEPATCH2 unload_lp $MOD_LIVEPATCH2 unload_lp $MOD_LIVEPATCH3 -check_result "% modprobe $MOD_LIVEPATCH2 +check_result "% insmod test_modules/$MOD_LIVEPATCH2.ko livepatch: enabling patch '$MOD_LIVEPATCH2' livepatch: '$MOD_LIVEPATCH2': initializing patching transition $MOD_LIVEPATCH2: pre_patch_callback: vmlinux @@ -106,7 +106,7 @@ livepatch: '$MOD_LIVEPATCH2': completing patching transition $MOD_LIVEPATCH2: post_patch_callback: vmlinux $MOD_LIVEPATCH2: fix_console_loglevel: fixing console_loglevel livepatch: '$MOD_LIVEPATCH2': patching complete -% modprobe $MOD_LIVEPATCH3 +% insmod test_modules/$MOD_LIVEPATCH3.ko livepatch: enabling patch '$MOD_LIVEPATCH3' livepatch: '$MOD_LIVEPATCH3': initializing patching transition $MOD_LIVEPATCH3: pre_patch_callback: vmlinux @@ -117,7 +117,7 @@ $MOD_LIVEPATCH3: post_patch_callback: vmlinux $MOD_LIVEPATCH3: fix_console_loglevel: taking over the console_loglevel change livepatch: '$MOD_LIVEPATCH3': patching complete % rmmod $MOD_LIVEPATCH2 -% modprobe $MOD_LIVEPATCH2 +% insmod test_modules/$MOD_LIVEPATCH2.ko livepatch: enabling patch '$MOD_LIVEPATCH2' livepatch: '$MOD_LIVEPATCH2': initializing patching transition $MOD_LIVEPATCH2: pre_patch_callback: vmlinux @@ -149,7 +149,7 @@ load_failing_mod $MOD_LIVEPATCH disable_lp $MOD_LIVEPATCH2 unload_lp $MOD_LIVEPATCH2 -check_result "% modprobe $MOD_LIVEPATCH2 +check_result "% insmod test_modules/$MOD_LIVEPATCH2.ko livepatch: enabling patch '$MOD_LIVEPATCH2' livepatch: '$MOD_LIVEPATCH2': initializing patching transition $MOD_LIVEPATCH2: pre_patch_callback: vmlinux @@ -159,9 +159,9 @@ livepatch: '$MOD_LIVEPATCH2': completing patching transition $MOD_LIVEPATCH2: post_patch_callback: vmlinux $MOD_LIVEPATCH2: fix_console_loglevel: fixing console_loglevel livepatch: '$MOD_LIVEPATCH2': patching complete -% modprobe $MOD_LIVEPATCH +% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: Livepatch patch ($MOD_LIVEPATCH) is not compatible with the already installed livepatches. -modprobe: ERROR: could not insert '$MOD_LIVEPATCH': Invalid argument +insmod: ERROR: could not insert module test_modules/$MOD_LIVEPATCH.ko: Invalid parameters % echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH2/enabled livepatch: '$MOD_LIVEPATCH2': initializing unpatching transition $MOD_LIVEPATCH2: pre_unpatch_callback: vmlinux diff --git a/tools/testing/selftests/livepatch/test-sysfs.sh b/tools/testing/selftests/livepatch/test-sysfs.sh index 7f76f280189a..6c646afa7395 100755 --- a/tools/testing/selftests/livepatch/test-sysfs.sh +++ b/tools/testing/selftests/livepatch/test-sysfs.sh @@ -27,7 +27,7 @@ disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH -check_result "% modprobe $MOD_LIVEPATCH +check_result "% insmod test_modules/$MOD_LIVEPATCH.ko livepatch: enabling patch '$MOD_LIVEPATCH' livepatch: '$MOD_LIVEPATCH': initializing patching transition livepatch: '$MOD_LIVEPATCH': starting patching transition @@ -56,7 +56,7 @@ check_sysfs_value "$MOD_LIVEPATCH" "$MOD_TARGET/patched" "0" disable_lp $MOD_LIVEPATCH unload_lp $MOD_LIVEPATCH -check_result "% modprobe test_klp_callbacks_demo +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 test_klp_callbacks_demo: pre_patch_callback: vmlinux @@ -64,7 +64,7 @@ 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 +% 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 test_klp_callbacks_demo: post_patch_callback: test_klp_callbacks_mod -> [MODULE_STATE_COMING] Full formed, running module_init diff --git a/tools/testing/selftests/livepatch/test_modules/Makefile b/tools/testing/selftests/livepatch/test_modules/Makefile new file mode 100644 index 000000000000..6f7c2103d27d --- /dev/null +++ b/tools/testing/selftests/livepatch/test_modules/Makefile @@ -0,0 +1,19 @@ +TESTMODS_DIR := $(realpath $(dir $(abspath $(lastword $(MAKEFILE_LIST))))) +KDIR ?= /lib/modules/$(shell uname -r)/build + +obj-m += test_klp_atomic_replace.o \ + test_klp_callbacks_busy.o \ + test_klp_callbacks_demo.o \ + test_klp_callbacks_demo2.o \ + test_klp_callbacks_mod.o \ + test_klp_livepatch.o \ + test_klp_state.o \ + test_klp_state2.o \ + test_klp_state3.o \ + test_klp_shadow_vars.o + +modules: + $(Q)$(MAKE) -C $(KDIR) modules KBUILD_EXTMOD=$(TESTMODS_DIR) + +clean: + $(Q)$(MAKE) -C $(KDIR) clean KBUILD_EXTMOD=$(TESTMODS_DIR) diff --git a/lib/livepatch/test_klp_atomic_replace.c b/tools/testing/selftests/livepatch/test_modules/test_klp_atomic_replace.c similarity index 100% rename from lib/livepatch/test_klp_atomic_replace.c rename to tools/testing/selftests/livepatch/test_modules/test_klp_atomic_replace.c diff --git a/lib/livepatch/test_klp_callbacks_busy.c b/tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_busy.c similarity index 100% rename from lib/livepatch/test_klp_callbacks_busy.c rename to tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_busy.c diff --git a/lib/livepatch/test_klp_callbacks_demo.c b/tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_demo.c similarity index 100% rename from lib/livepatch/test_klp_callbacks_demo.c rename to tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_demo.c diff --git a/lib/livepatch/test_klp_callbacks_demo2.c b/tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_demo2.c similarity index 100% rename from lib/livepatch/test_klp_callbacks_demo2.c rename to tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_demo2.c diff --git a/lib/livepatch/test_klp_callbacks_mod.c b/tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_mod.c similarity index 100% rename from lib/livepatch/test_klp_callbacks_mod.c rename to tools/testing/selftests/livepatch/test_modules/test_klp_callbacks_mod.c diff --git a/lib/livepatch/test_klp_livepatch.c b/tools/testing/selftests/livepatch/test_modules/test_klp_livepatch.c similarity index 100% rename from lib/livepatch/test_klp_livepatch.c rename to tools/testing/selftests/livepatch/test_modules/test_klp_livepatch.c diff --git a/lib/livepatch/test_klp_shadow_vars.c b/tools/testing/selftests/livepatch/test_modules/test_klp_shadow_vars.c similarity index 100% rename from lib/livepatch/test_klp_shadow_vars.c rename to tools/testing/selftests/livepatch/test_modules/test_klp_shadow_vars.c diff --git a/lib/livepatch/test_klp_state.c b/tools/testing/selftests/livepatch/test_modules/test_klp_state.c similarity index 100% rename from lib/livepatch/test_klp_state.c rename to tools/testing/selftests/livepatch/test_modules/test_klp_state.c diff --git a/lib/livepatch/test_klp_state2.c b/tools/testing/selftests/livepatch/test_modules/test_klp_state2.c similarity index 100% rename from lib/livepatch/test_klp_state2.c rename to tools/testing/selftests/livepatch/test_modules/test_klp_state2.c diff --git a/lib/livepatch/test_klp_state3.c b/tools/testing/selftests/livepatch/test_modules/test_klp_state3.c similarity index 100% rename from lib/livepatch/test_klp_state3.c rename to tools/testing/selftests/livepatch/test_modules/test_klp_state3.c -- 2.42.1