diff options
Diffstat (limited to 'tools/testing')
69 files changed, 2522 insertions, 584 deletions
diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py index f9b769f3437d..425ef40067e7 100755 --- a/tools/testing/kunit/kunit.py +++ b/tools/testing/kunit/kunit.py @@ -240,12 +240,6 @@ def main(argv, linux=None): if cli_args.subcommand == 'run': if not os.path.exists(cli_args.build_dir): os.mkdir(cli_args.build_dir) - kunit_kernel.kunitconfig_path = os.path.join( - cli_args.build_dir, - kunit_kernel.kunitconfig_path) - - if not os.path.exists(kunit_kernel.kunitconfig_path): - create_default_kunitconfig() if not linux: linux = kunit_kernel.LinuxSourceTree() @@ -263,12 +257,6 @@ def main(argv, linux=None): if cli_args.build_dir: if not os.path.exists(cli_args.build_dir): os.mkdir(cli_args.build_dir) - kunit_kernel.kunitconfig_path = os.path.join( - cli_args.build_dir, - kunit_kernel.kunitconfig_path) - - if not os.path.exists(kunit_kernel.kunitconfig_path): - create_default_kunitconfig() if not linux: linux = kunit_kernel.LinuxSourceTree() @@ -285,12 +273,6 @@ def main(argv, linux=None): if cli_args.build_dir: if not os.path.exists(cli_args.build_dir): os.mkdir(cli_args.build_dir) - kunit_kernel.kunitconfig_path = os.path.join( - cli_args.build_dir, - kunit_kernel.kunitconfig_path) - - if not os.path.exists(kunit_kernel.kunitconfig_path): - create_default_kunitconfig() if not linux: linux = kunit_kernel.LinuxSourceTree() @@ -309,12 +291,6 @@ def main(argv, linux=None): if cli_args.build_dir: if not os.path.exists(cli_args.build_dir): os.mkdir(cli_args.build_dir) - kunit_kernel.kunitconfig_path = os.path.join( - cli_args.build_dir, - kunit_kernel.kunitconfig_path) - - if not os.path.exists(kunit_kernel.kunitconfig_path): - create_default_kunitconfig() if not linux: linux = kunit_kernel.LinuxSourceTree() diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py index 63dbda2d029f..e20e2056cb38 100644 --- a/tools/testing/kunit/kunit_kernel.py +++ b/tools/testing/kunit/kunit_kernel.py @@ -34,7 +34,7 @@ class LinuxSourceTreeOperations(object): def make_mrproper(self): try: - subprocess.check_output(['make', 'mrproper']) + subprocess.check_output(['make', 'mrproper'], stderr=subprocess.STDOUT) except OSError as e: raise ConfigError('Could not call make command: ' + e) except subprocess.CalledProcessError as e: @@ -47,7 +47,7 @@ class LinuxSourceTreeOperations(object): if build_dir: command += ['O=' + build_dir] try: - subprocess.check_output(command, stderr=subprocess.PIPE) + subprocess.check_output(command, stderr=subprocess.STDOUT) except OSError as e: raise ConfigError('Could not call make command: ' + e) except subprocess.CalledProcessError as e: @@ -77,7 +77,7 @@ class LinuxSourceTreeOperations(object): if build_dir: command += ['O=' + build_dir] try: - subprocess.check_output(command) + subprocess.check_output(command, stderr=subprocess.STDOUT) except OSError as e: raise BuildError('Could not call execute make: ' + e) except subprocess.CalledProcessError as e: diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py index f9eeaea94cad..287c74d821c3 100755 --- a/tools/testing/kunit/kunit_tool_test.py +++ b/tools/testing/kunit/kunit_tool_test.py @@ -251,21 +251,21 @@ class KUnitMainTest(unittest.TestCase): pass def test_config_passes_args_pass(self): - kunit.main(['config'], self.linux_source_mock) + kunit.main(['config', '--build_dir=.kunit'], self.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 1 assert self.linux_source_mock.run_kernel.call_count == 0 def test_build_passes_args_pass(self): kunit.main(['build'], self.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 0 - self.linux_source_mock.build_um_kernel.assert_called_once_with(False, 8, '', None) + self.linux_source_mock.build_um_kernel.assert_called_once_with(False, 8, '.kunit', None) assert self.linux_source_mock.run_kernel.call_count == 0 def test_exec_passes_args_pass(self): kunit.main(['exec'], self.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 0 assert self.linux_source_mock.run_kernel.call_count == 1 - self.linux_source_mock.run_kernel.assert_called_once_with(build_dir='', timeout=300) + self.linux_source_mock.run_kernel.assert_called_once_with(build_dir='.kunit', timeout=300) self.print_mock.assert_any_call(StrContains('Testing complete.')) def test_run_passes_args_pass(self): @@ -273,7 +273,7 @@ class KUnitMainTest(unittest.TestCase): assert self.linux_source_mock.build_reconfig.call_count == 1 assert self.linux_source_mock.run_kernel.call_count == 1 self.linux_source_mock.run_kernel.assert_called_once_with( - build_dir='', timeout=300) + build_dir='.kunit', timeout=300) self.print_mock.assert_any_call(StrContains('Testing complete.')) def test_exec_passes_args_fail(self): @@ -313,7 +313,7 @@ class KUnitMainTest(unittest.TestCase): def test_exec_timeout(self): timeout = 3453 kunit.main(['exec', '--timeout', str(timeout)], self.linux_source_mock) - self.linux_source_mock.run_kernel.assert_called_once_with(build_dir='', timeout=timeout) + self.linux_source_mock.run_kernel.assert_called_once_with(build_dir='.kunit', timeout=timeout) self.print_mock.assert_any_call(StrContains('Testing complete.')) def test_run_timeout(self): @@ -321,12 +321,12 @@ class KUnitMainTest(unittest.TestCase): kunit.main(['run', '--timeout', str(timeout)], self.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 1 self.linux_source_mock.run_kernel.assert_called_once_with( - build_dir='', timeout=timeout) + build_dir='.kunit', timeout=timeout) self.print_mock.assert_any_call(StrContains('Testing complete.')) def test_run_builddir(self): build_dir = '.kunit' - kunit.main(['run', '--build_dir', build_dir], self.linux_source_mock) + kunit.main(['run', '--build_dir=.kunit'], self.linux_source_mock) assert self.linux_source_mock.build_reconfig.call_count == 1 self.linux_source_mock.run_kernel.assert_called_once_with( build_dir=build_dir, timeout=300) diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 1195bd85af38..017ce2a7ae36 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -6,6 +6,7 @@ TARGETS += breakpoints TARGETS += capabilities TARGETS += cgroup TARGETS += clone3 +TARGETS += core TARGETS += cpufreq TARGETS += cpu-hotplug TARGETS += drivers/dma-buf @@ -15,6 +16,7 @@ TARGETS += filesystems TARGETS += filesystems/binderfs TARGETS += filesystems/epoll TARGETS += firmware +TARGETS += fpu TARGETS += ftrace TARGETS += futex TARGETS += gpio diff --git a/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c b/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c index f7ee8fa377ad..6ccecbd39476 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c +++ b/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c @@ -5,10 +5,60 @@ #include "test_btf_map_in_map.skel.h" +static int duration; + +static __u32 bpf_map_id(struct bpf_map *map) +{ + struct bpf_map_info info; + __u32 info_len = sizeof(info); + int err; + + memset(&info, 0, info_len); + err = bpf_obj_get_info_by_fd(bpf_map__fd(map), &info, &info_len); + if (err) + return 0; + return info.id; +} + +/* + * Trigger synchronize_rcu() in kernel. + * + * ARRAY_OF_MAPS/HASH_OF_MAPS lookup/update operations trigger synchronize_rcu() + * if looking up an existing non-NULL element or updating the map with a valid + * inner map FD. Use this fact to trigger synchronize_rcu(): create map-in-map, + * create a trivial ARRAY map, update map-in-map with ARRAY inner map. Then + * cleanup. At the end, at least one synchronize_rcu() would be called. + */ +static int kern_sync_rcu(void) +{ + int inner_map_fd, outer_map_fd, err, zero = 0; + + inner_map_fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, 4, 4, 1, 0); + if (CHECK(inner_map_fd < 0, "inner_map_create", "failed %d\n", -errno)) + return -1; + + outer_map_fd = bpf_create_map_in_map(BPF_MAP_TYPE_ARRAY_OF_MAPS, NULL, + sizeof(int), inner_map_fd, 1, 0); + if (CHECK(outer_map_fd < 0, "outer_map_create", "failed %d\n", -errno)) { + close(inner_map_fd); + return -1; + } + + err = bpf_map_update_elem(outer_map_fd, &zero, &inner_map_fd, 0); + if (err) + err = -errno; + CHECK(err, "outer_map_update", "failed %d\n", err); + close(inner_map_fd); + close(outer_map_fd); + return err; +} + void test_btf_map_in_map(void) { - int duration = 0, err, key = 0, val; - struct test_btf_map_in_map* skel; + int err, key = 0, val, i; + struct test_btf_map_in_map *skel; + int outer_arr_fd, outer_hash_fd; + int fd, map1_fd, map2_fd, map1_id, map2_id; skel = test_btf_map_in_map__open_and_load(); if (CHECK(!skel, "skel_open", "failed to open&load skeleton\n")) @@ -18,32 +68,78 @@ void test_btf_map_in_map(void) if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err)) goto cleanup; + map1_fd = bpf_map__fd(skel->maps.inner_map1); + map2_fd = bpf_map__fd(skel->maps.inner_map2); + outer_arr_fd = bpf_map__fd(skel->maps.outer_arr); + outer_hash_fd = bpf_map__fd(skel->maps.outer_hash); + /* inner1 = input, inner2 = input + 1 */ - val = bpf_map__fd(skel->maps.inner_map1); - bpf_map_update_elem(bpf_map__fd(skel->maps.outer_arr), &key, &val, 0); - val = bpf_map__fd(skel->maps.inner_map2); - bpf_map_update_elem(bpf_map__fd(skel->maps.outer_hash), &key, &val, 0); + map1_fd = bpf_map__fd(skel->maps.inner_map1); + bpf_map_update_elem(outer_arr_fd, &key, &map1_fd, 0); + map2_fd = bpf_map__fd(skel->maps.inner_map2); + bpf_map_update_elem(outer_hash_fd, &key, &map2_fd, 0); skel->bss->input = 1; usleep(1); - bpf_map_lookup_elem(bpf_map__fd(skel->maps.inner_map1), &key, &val); + bpf_map_lookup_elem(map1_fd, &key, &val); CHECK(val != 1, "inner1", "got %d != exp %d\n", val, 1); - bpf_map_lookup_elem(bpf_map__fd(skel->maps.inner_map2), &key, &val); + bpf_map_lookup_elem(map2_fd, &key, &val); CHECK(val != 2, "inner2", "got %d != exp %d\n", val, 2); /* inner1 = input + 1, inner2 = input */ - val = bpf_map__fd(skel->maps.inner_map2); - bpf_map_update_elem(bpf_map__fd(skel->maps.outer_arr), &key, &val, 0); - val = bpf_map__fd(skel->maps.inner_map1); - bpf_map_update_elem(bpf_map__fd(skel->maps.outer_hash), &key, &val, 0); + bpf_map_update_elem(outer_arr_fd, &key, &map2_fd, 0); + bpf_map_update_elem(outer_hash_fd, &key, &map1_fd, 0); skel->bss->input = 3; usleep(1); - bpf_map_lookup_elem(bpf_map__fd(skel->maps.inner_map1), &key, &val); + bpf_map_lookup_elem(map1_fd, &key, &val); CHECK(val != 4, "inner1", "got %d != exp %d\n", val, 4); - bpf_map_lookup_elem(bpf_map__fd(skel->maps.inner_map2), &key, &val); + bpf_map_lookup_elem(map2_fd, &key, &val); CHECK(val != 3, "inner2", "got %d != exp %d\n", val, 3); + for (i = 0; i < 5; i++) { + val = i % 2 ? map1_fd : map2_fd; + err = bpf_map_update_elem(outer_hash_fd, &key, &val, 0); + if (CHECK_FAIL(err)) { + printf("failed to update hash_of_maps on iter #%d\n", i); + goto cleanup; + } + err = bpf_map_update_elem(outer_arr_fd, &key, &val, 0); + if (CHECK_FAIL(err)) { + printf("failed to update hash_of_maps on iter #%d\n", i); + goto cleanup; + } + } + + map1_id = bpf_map_id(skel->maps.inner_map1); + map2_id = bpf_map_id(skel->maps.inner_map2); + CHECK(map1_id == 0, "map1_id", "failed to get ID 1\n"); + CHECK(map2_id == 0, "map2_id", "failed to get ID 2\n"); + + test_btf_map_in_map__destroy(skel); + skel = NULL; + + /* we need to either wait for or force synchronize_rcu(), before + * checking for "still exists" condition, otherwise map could still be + * resolvable by ID, causing false positives. + * + * Older kernels (5.8 and earlier) freed map only after two + * synchronize_rcu()s, so trigger two, to be entirely sure. + */ + CHECK(kern_sync_rcu(), "sync_rcu", "failed\n"); + CHECK(kern_sync_rcu(), "sync_rcu", "failed\n"); + + fd = bpf_map_get_fd_by_id(map1_id); + if (CHECK(fd >= 0, "map1_leak", "inner_map1 leaked!\n")) { + close(fd); + goto cleanup; + } + fd = bpf_map_get_fd_by_id(map2_id); + if (CHECK(fd >= 0, "map2_leak", "inner_map2 leaked!\n")) { + close(fd); + goto cleanup; + } + cleanup: test_btf_map_in_map__destroy(skel); } diff --git a/tools/testing/selftests/bpf/test_offload.py b/tools/testing/selftests/bpf/test_offload.py index 8294ae3ffb3c..43c9cda199b8 100755 --- a/tools/testing/selftests/bpf/test_offload.py +++ b/tools/testing/selftests/bpf/test_offload.py @@ -318,6 +318,9 @@ class DebugfsDir: continue if os.path.isfile(p): + # We need to init trap_flow_action_cookie before read it + if f == "trap_flow_action_cookie": + cmd('echo deadbeef > %s/%s' % (path, f)) _, out = cmd('cat %s/%s' % (path, f)) dfs[f] = out.strip() elif os.path.isdir(p): diff --git a/tools/testing/selftests/bpf/verifier/event_output.c b/tools/testing/selftests/bpf/verifier/event_output.c index 99f8f582c02b..c5e805980409 100644 --- a/tools/testing/selftests/bpf/verifier/event_output.c +++ b/tools/testing/selftests/bpf/verifier/event_output.c @@ -112,6 +112,7 @@ "perfevent for cgroup sockopt", .insns = { __PERF_EVENT_INSNS__ }, .prog_type = BPF_PROG_TYPE_CGROUP_SOCKOPT, + .expected_attach_type = BPF_CGROUP_SETSOCKOPT, .fixup_map_event_output = { 4 }, .result = ACCEPT, .retval = 1, diff --git a/tools/testing/selftests/breakpoints/step_after_suspend_test.c b/tools/testing/selftests/breakpoints/step_after_suspend_test.c index b3ead29c6089..2cf6f10ab7c4 100644 --- a/tools/testing/selftests/breakpoints/step_after_suspend_test.c +++ b/tools/testing/selftests/breakpoints/step_after_suspend_test.c @@ -47,7 +47,7 @@ void child(int cpu) _exit(0); } -bool run_test(int cpu) +int run_test(int cpu) { int status; pid_t pid = fork(); @@ -55,7 +55,7 @@ bool run_test(int cpu) if (pid < 0) { ksft_print_msg("fork() failed: %s\n", strerror(errno)); - return false; + return KSFT_FAIL; } if (pid == 0) child(cpu); @@ -63,67 +63,68 @@ bool run_test(int cpu) wpid = waitpid(pid, &status, __WALL); if (wpid != pid) { ksft_print_msg("waitpid() failed: %s\n", strerror(errno)); - return false; + return KSFT_FAIL; } if (!WIFSTOPPED(status)) { ksft_print_msg("child did not stop: %s\n", strerror(errno)); - return false; + return KSFT_FAIL; } if (WSTOPSIG(status) != SIGSTOP) { ksft_print_msg("child did not stop with SIGSTOP: %s\n", strerror(errno)); - return false; + return KSFT_FAIL; } if (ptrace(PTRACE_SINGLESTEP, pid, NULL, NULL) < 0) { if (errno == EIO) { - ksft_exit_skip( + ksft_print_msg( "ptrace(PTRACE_SINGLESTEP) not supported on this architecture: %s\n", strerror(errno)); + return KSFT_SKIP; } ksft_print_msg("ptrace(PTRACE_SINGLESTEP) failed: %s\n", strerror(errno)); - return false; + return KSFT_FAIL; } wpid = |