1*aca3beaaSApple OSS Distributions #include <sys/sysctl.h>
2*aca3beaaSApple OSS Distributions #include <signal.h>
3*aca3beaaSApple OSS Distributions #include <darwintest.h>
4*aca3beaaSApple OSS Distributions #include <darwintest_utils.h>
5*aca3beaaSApple OSS Distributions
6*aca3beaaSApple OSS Distributions T_GLOBAL_META(
7*aca3beaaSApple OSS Distributions T_META_NAMESPACE("xnu.vm"),
8*aca3beaaSApple OSS Distributions T_META_RADAR_COMPONENT_NAME("xnu"),
9*aca3beaaSApple OSS Distributions T_META_RADAR_COMPONENT_VERSION("zalloc"),
10*aca3beaaSApple OSS Distributions T_META_ASROOT(YES));
11*aca3beaaSApple OSS Distributions
12*aca3beaaSApple OSS Distributions static int64_t
run_sysctl_test(const char * t,int64_t value)13*aca3beaaSApple OSS Distributions run_sysctl_test(const char *t, int64_t value)
14*aca3beaaSApple OSS Distributions {
15*aca3beaaSApple OSS Distributions char name[1024];
16*aca3beaaSApple OSS Distributions int64_t result = 0;
17*aca3beaaSApple OSS Distributions size_t s = sizeof(value);
18*aca3beaaSApple OSS Distributions int rc;
19*aca3beaaSApple OSS Distributions
20*aca3beaaSApple OSS Distributions snprintf(name, sizeof(name), "debug.test.%s", t);
21*aca3beaaSApple OSS Distributions rc = sysctlbyname(name, &result, &s, &value, s);
22*aca3beaaSApple OSS Distributions T_ASSERT_POSIX_SUCCESS(rc, "sysctlbyname(%s)", t);
23*aca3beaaSApple OSS Distributions return result;
24*aca3beaaSApple OSS Distributions }
25*aca3beaaSApple OSS Distributions
26*aca3beaaSApple OSS Distributions T_DECL(basic_zone_test, "General zalloc test",
27*aca3beaaSApple OSS Distributions T_META_CHECK_LEAKS(false))
28*aca3beaaSApple OSS Distributions {
29*aca3beaaSApple OSS Distributions T_EXPECT_EQ(1ull, run_sysctl_test("zone_basic_test", 0), "zone_basic_test");
30*aca3beaaSApple OSS Distributions }
31*aca3beaaSApple OSS Distributions
32*aca3beaaSApple OSS Distributions T_DECL(read_only_zone_test, "Read-only zalloc test",
33*aca3beaaSApple OSS Distributions T_META_CHECK_LEAKS(false))
34*aca3beaaSApple OSS Distributions {
35*aca3beaaSApple OSS Distributions T_EXPECT_EQ(1ull, run_sysctl_test("zone_ro_basic_test", 0), "zone_ro_basic_test");
36*aca3beaaSApple OSS Distributions }
37*aca3beaaSApple OSS Distributions
38*aca3beaaSApple OSS Distributions T_DECL(zone_stress_test, "Zone stress test of edge cases",
39*aca3beaaSApple OSS Distributions T_META_CHECK_LEAKS(false))
40*aca3beaaSApple OSS Distributions {
41*aca3beaaSApple OSS Distributions T_EXPECT_EQ(1ull, run_sysctl_test("zone_stress_test", 0), "zone_stress_test");
42*aca3beaaSApple OSS Distributions }
43*aca3beaaSApple OSS Distributions
44*aca3beaaSApple OSS Distributions #define ZLOG_ZONE "data.kalloc.128"
45*aca3beaaSApple OSS Distributions
46*aca3beaaSApple OSS Distributions T_DECL(zlog_smoke_test, "check that zlog functions at all",
47*aca3beaaSApple OSS Distributions T_META_REQUIRES_SYSCTL_NE("kern.kasan.available", 1),
48*aca3beaaSApple OSS Distributions T_META_BOOTARGS_SET("zlog1=" ZLOG_ZONE))
49*aca3beaaSApple OSS Distributions {
50*aca3beaaSApple OSS Distributions char *cmd[] = { "/usr/local/bin/zlog", "-l", "-z", ZLOG_ZONE, NULL };
51*aca3beaaSApple OSS Distributions dispatch_semaphore_t sema = dispatch_semaphore_create(0);
52*aca3beaaSApple OSS Distributions int status = 0;
53*aca3beaaSApple OSS Distributions pid_t pid;
54*aca3beaaSApple OSS Distributions
55*aca3beaaSApple OSS Distributions pid = dt_launch_tool_pipe(cmd, false, NULL,
56*aca3beaaSApple OSS Distributions ^bool (char *d, size_t s, dt_pipe_data_handler_context_t *ctx) {
57*aca3beaaSApple OSS Distributions (void)ctx;
58*aca3beaaSApple OSS Distributions if (strstr(d, "active refs") && strstr(d, "operation type: ")) {
59*aca3beaaSApple OSS Distributions T_PASS("found line [%.*s]", (int)(s - 1), d);
60*aca3beaaSApple OSS Distributions dispatch_semaphore_signal(sema);
61*aca3beaaSApple OSS Distributions }
62*aca3beaaSApple OSS Distributions return false;
63*aca3beaaSApple OSS Distributions }, ^bool (char *d, size_t s, dt_pipe_data_handler_context_t *ctx) {
64*aca3beaaSApple OSS Distributions /* Forward errors to stderror for debugging */
65*aca3beaaSApple OSS Distributions (void)ctx;
66*aca3beaaSApple OSS Distributions fwrite(d, 1, s, stderr);
67*aca3beaaSApple OSS Distributions return false;
68*aca3beaaSApple OSS Distributions }, BUFFER_PATTERN_LINE, NULL);
69*aca3beaaSApple OSS Distributions
70*aca3beaaSApple OSS Distributions dt_waitpid(pid, &status, NULL, 0);
71*aca3beaaSApple OSS Distributions if (WIFEXITED(status)) {
72*aca3beaaSApple OSS Distributions T_LOG("waitpid for %d returned with status %d",
73*aca3beaaSApple OSS Distributions pid, WEXITSTATUS(status));
74*aca3beaaSApple OSS Distributions } else {
75*aca3beaaSApple OSS Distributions int sig = WTERMSIG(status);
76*aca3beaaSApple OSS Distributions T_LOG("waitpid for %d killed by signal %d/%s",
77*aca3beaaSApple OSS Distributions pid, sig, sys_signame[sig]);
78*aca3beaaSApple OSS Distributions }
79*aca3beaaSApple OSS Distributions T_ASSERT_TRUE(WIFEXITED(status) && WEXITSTATUS(status) == 0,
80*aca3beaaSApple OSS Distributions "zlog exited cleanly");
81*aca3beaaSApple OSS Distributions
82*aca3beaaSApple OSS Distributions /* work around rdar://84948713 */
83*aca3beaaSApple OSS Distributions T_ASSERT_EQ(dispatch_semaphore_wait(sema,
84*aca3beaaSApple OSS Distributions dispatch_time(DISPATCH_TIME_NOW, NSEC_PER_SEC)), 0L,
85*aca3beaaSApple OSS Distributions "found the line we wanted");
86*aca3beaaSApple OSS Distributions dispatch_release(sema);
87*aca3beaaSApple OSS Distributions }
88