diff options
Diffstat (limited to 'tools/testing/selftests/nolibc/nolibc-test.c')
-rw-r--r-- | tools/testing/selftests/nolibc/nolibc-test.c | 221 |
1 files changed, 168 insertions, 53 deletions
diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index c4a0c915139c..21bacc928bf7 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -130,111 +130,111 @@ static int pad_spc(int llen, int cnt, const char *fmt, ...) */ #define EXPECT_ZR(cond, expr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_zr(expr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_zr(expr, llen); } while (0) static int expect_zr(int expr, int llen) { int ret = !(expr == 0); llen += printf(" = %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } #define EXPECT_NZ(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_nz(expr, llen; } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_nz(expr, llen; } while (0) static int expect_nz(int expr, int llen) { int ret = !(expr != 0); llen += printf(" = %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } #define EXPECT_EQ(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_eq(expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_eq(expr, llen, val); } while (0) -static int expect_eq(int expr, int llen, int val) +static int expect_eq(uint64_t expr, int llen, uint64_t val) { int ret = !(expr == val); - llen += printf(" = %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + llen += printf(" = %lld ", expr); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } #define EXPECT_NE(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_ne(expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_ne(expr, llen, val); } while (0) static int expect_ne(int expr, int llen, int val) { int ret = !(expr != val); llen += printf(" = %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } #define EXPECT_GE(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_ge(expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_ge(expr, llen, val); } while (0) static int expect_ge(int expr, int llen, int val) { int ret = !(expr >= val); llen += printf(" = %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } #define EXPECT_GT(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_gt(expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_gt(expr, llen, val); } while (0) static int expect_gt(int expr, int llen, int val) { int ret = !(expr > val); llen += printf(" = %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } #define EXPECT_LE(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_le(expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_le(expr, llen, val); } while (0) static int expect_le(int expr, int llen, int val) { int ret = !(expr <= val); llen += printf(" = %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } #define EXPECT_LT(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_lt(expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_lt(expr, llen, val); } while (0) static int expect_lt(int expr, int llen, int val) { int ret = !(expr < val); llen += printf(" = %d ", expr); - pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n"); + pad_spc(llen, 64, ret ? "[FAIL]\n" : " [OK]\n"); return ret; } #define EXPECT_SYSZR(cond, expr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_syszr(expr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_syszr(expr, llen); } while (0) static int expect_syszr(int expr, int llen) { @@ -243,17 +243,17 @@ static int expect_syszr(int expr, int llen) if (expr) { ret = 1; llen += printf(" = %d %s ", expr, errorname(errno)); - llen += pad_spc(llen, 40, "[FAIL]\n"); + llen += pad_spc(llen, 64, "[FAIL]\n"); } else { llen += printf(" = %d ", expr); - llen += pad_spc(llen, 40, " [OK]\n"); + llen += pad_spc(llen, 64, " [OK]\n"); } return ret; } #define EXPECT_SYSEQ(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_syseq(expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_syseq(expr, llen, val); } while (0) static int expect_syseq(int expr, int llen, int val) { @@ -262,17 +262,17 @@ static int expect_syseq(int expr, int llen, int val) if (expr != val) { ret = 1; llen += printf(" = %d %s ", expr, errorname(errno)); - llen += pad_spc(llen, 40, "[FAIL]\n"); + llen += pad_spc(llen, 64, "[FAIL]\n"); } else { llen += printf(" = %d ", expr); - llen += pad_spc(llen, 40, " [OK]\n"); + llen += pad_spc(llen, 64, " [OK]\n"); } return ret; } #define EXPECT_SYSNE(cond, expr, val) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_sysne(expr, llen, val); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_sysne(expr, llen, val); } while (0) static int expect_sysne(int expr, int llen, int val) { @@ -281,17 +281,17 @@ static int expect_sysne(int expr, int llen, int val) if (expr == val) { ret = 1; llen += printf(" = %d %s ", expr, errorname(errno)); - llen += pad_spc(llen, 40, "[FAIL]\n"); + llen += pad_spc(llen, 64, "[FAIL]\n"); } else { llen += printf(" = %d ", expr); - llen += pad_spc(llen, 40, " [OK]\n"); + llen += pad_spc(llen, 64, " [OK]\n"); } return ret; } #define EXPECT_SYSER(cond, expr, expret, experr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_syserr(expr, expret, experr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_syserr(expr, expret, experr, llen); } while (0) static int expect_syserr(int expr, int expret, int experr, int llen) { @@ -302,16 +302,16 @@ static int expect_syserr(int expr, int expret, int experr, int llen) if (expr != expret || _errno != experr) { ret = 1; llen += printf(" != (%d %s) ", expret, errorname(experr)); - llen += pad_spc(llen, 40, "[FAIL]\n"); + llen += pad_spc(llen, 64, "[FAIL]\n"); } else { - llen += pad_spc(llen, 40, " [OK]\n"); + llen += pad_spc(llen, 64, " [OK]\n"); } return ret; } #define EXPECT_PTRZR(cond, expr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_ptrzr(expr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_ptrzr(expr, llen); } while (0) static int expect_ptrzr(const void *expr, int llen) { @@ -320,16 +320,16 @@ static int expect_ptrzr(const void *expr, int llen) llen += printf(" = <%p> ", expr); if (expr) { ret = 1; - llen += pad_spc(llen, 40, "[FAIL]\n"); + llen += pad_spc(llen, 64, "[FAIL]\n"); } else { - llen += pad_spc(llen, 40, " [OK]\n"); + llen += pad_spc(llen, 64, " [OK]\n"); } return ret; } #define EXPECT_PTRNZ(cond, expr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_ptrnz(expr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_ptrnz(expr, llen); } while (0) static int expect_ptrnz(const void *expr, int llen) { @@ -338,16 +338,16 @@ static int expect_ptrnz(const void *expr, int llen) llen += printf(" = <%p> ", expr); if (!expr) { ret = 1; - llen += pad_spc(llen, 40, "[FAIL]\n"); + llen += pad_spc(llen, 64, "[FAIL]\n"); } else { - llen += pad_spc(llen, 40, " [OK]\n"); + llen += pad_spc(llen, 64, " [OK]\n"); } return ret; } #define EXPECT_STRZR(cond, expr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_strzr(expr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_strzr(expr, llen); } while (0) static int expect_strzr(const char *expr, int llen) { @@ -356,16 +356,16 @@ static int expect_strzr(const char *expr, int llen) llen += printf(" = <%s> ", expr); if (expr) { ret = 1; - llen += pad_spc(llen, 40, "[FAIL]\n"); + llen += pad_spc(llen, 64, "[FAIL]\n"); } else { - llen += pad_spc(llen, 40, " [OK]\n"); + llen += pad_spc(llen, 64, " [OK]\n"); } return ret; } #define EXPECT_STRNZ(cond, expr) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_strnz(expr, llen); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_strnz(expr, llen); } while (0) static int expect_strnz(const char *expr, int llen) { @@ -374,16 +374,16 @@ static int expect_strnz(const char *expr, int llen) llen += printf(" = <%s> ", expr); if (!expr) { ret = 1; - llen += pad_spc(llen, 40, "[FAIL]\n"); + llen += pad_spc(llen, 64, "[FAIL]\n"); } else { - llen += pad_spc(llen, 40, " [OK]\n"); + llen += pad_spc(llen, 64, " [OK]\n"); } return ret; } #define EXPECT_STREQ(cond, expr, cmp) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_streq(expr, llen, cmp); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_streq(expr, llen, cmp); } while (0) static int expect_streq(const char *expr, int llen, const char *cmp) { @@ -392,16 +392,16 @@ static int expect_streq(const char *expr, int llen, const char *cmp) llen += printf(" = <%s> ", expr); if (strcmp(expr, cmp) != 0) { ret = 1; - llen += pad_spc(llen, 40, "[FAIL]\n"); + llen += pad_spc(llen, 64, "[FAIL]\n"); } else { - llen += pad_spc(llen, 40, " [OK]\n"); + llen += pad_spc(llen, 64, " [OK]\n"); } return ret; } #define EXPECT_STRNE(cond, expr, cmp) \ - do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_strne(expr, llen, cmp); } while (0) + do { if (!cond) pad_spc(llen, 64, "[SKIPPED]\n"); else ret += expect_strne(expr, llen, cmp); } while (0) static int expect_strne(const char *expr, int llen, const char *cmp) { @@ -410,9 +410,9 @@ static int expect_strne(const char *expr, int llen, const char *cmp) llen += printf(" = <%s> ", expr); if (strcmp(expr, cmp) == 0) { ret = 1; - llen += pad_spc(llen, 40, "[FAIL]\n"); + llen += pad_spc(llen, 64, "[FAIL]\n"); } else { - llen += pad_spc(llen, 40, " [OK]\n"); + llen += pad_spc(llen, 64, " [OK]\n"); } return ret; } @@ -477,6 +477,7 @@ static int test_getpagesize(void) int run_syscall(int min, int max) { struct stat stat_buf; + int euid0; int proc; int test; int tmp; @@ -486,6 +487,9 @@ int run_syscall(int min, int max) /* <proc> indicates whether or not /proc is mounted */ proc = stat("/proc", &stat_buf) == 0; + /* this will be used to skip certain tests that can't be run unprivileged */ + euid0 = geteuid() == 0; + for (test = min; test >= 0 && test <= max; test++) { int llen = 0; // line length @@ -511,7 +515,7 @@ int run_syscall(int min, int max) CASE_TEST(chmod_net); EXPECT_SYSZR(proc, chmod("/proc/self/net", 0555)); break; CASE_TEST(chmod_self); EXPECT_SYSER(proc, chmod("/proc/self", 0555), -1, EPERM); break; CASE_TEST(chown_self); EXPECT_SYSER(proc, chown("/proc/self", 0, 0), -1, EPERM); break; - CASE_TEST(chroot_root); EXPECT_SYSZR(1, chroot("/")); break; + CASE_TEST(chroot_root); EXPECT_SYSZR(euid0, chroot("/")); break; CASE_TEST(chroot_blah); EXPECT_SYSER(1, chroot("/proc/self/blah"), -1, ENOENT); break; CASE_TEST(chroot_exe); EXPECT_SYSER(proc, chroot("/proc/self/exe"), -1, ENOTDIR); break; CASE_TEST(close_m1); EXPECT_SYSER(1, close(-1), -1, EBADF); break; @@ -536,7 +540,7 @@ int run_syscall(int min, int max) CASE_TEST(ioctl_tiocinq); EXPECT_SYSZR(1, ioctl(0, TIOCINQ, &tmp)); break; CASE_TEST(link_root1); EXPECT_SYSER(1, link("/", "/"), -1, EEXIST); break; CASE_TEST(link_blah); EXPECT_SYSER(1, link("/proc/self/blah", "/blah"), -1, ENOENT); break; - CASE_TEST(link_dir); EXPECT_SYSER(1, link("/", "/blah"), -1, EPERM); break; + CASE_TEST(link_dir); EXPECT_SYSER(euid0, link("/", "/blah"), -1, EPERM); break; CASE_TEST(link_cross); EXPECT_SYSER(proc, link("/proc/self/net", "/blah"), -1, EXDEV); break; CASE_TEST(lseek_m1); EXPECT_SYSER(1, lseek(-1, 0, SEEK_SET), -1, EBADF); break; CASE_TEST(lseek_0); EXPECT_SYSER(1, lseek(0, 0, SEEK_SET), -1, ESPIPE); break; @@ -602,6 +606,59 @@ int run_stdlib(int min, int max) CASE_TEST(memcmp_e0_20); EXPECT_GT(1, memcmp("aaa\xe0", "aaa\x20", 4), 0); break; CASE_TEST(memcmp_80_e0); EXPECT_LT(1, memcmp("aaa\x80", "aaa\xe0", 4), 0); break; CASE_TEST(memcmp_e0_80); EXPECT_GT(1, memcmp("aaa\xe0", "aaa\x80", 4), 0); break; + CASE_TEST(limit_int8_max); EXPECT_EQ(1, INT8_MAX, (int8_t) 0x7f); break; + CASE_TEST(limit_int8_min); EXPECT_EQ(1, INT8_MIN, (int8_t) 0x80); break; + CASE_TEST(limit_uint8_max); EXPECT_EQ(1, UINT8_MAX, (uint8_t) 0xff); break; + CASE_TEST(limit_int16_max); EXPECT_EQ(1, INT16_MAX, (int16_t) 0x7fff); break; + CASE_TEST(limit_int16_min); EXPECT_EQ(1, INT16_MIN, (int16_t) 0x8000); break; + CASE_TEST(limit_uint16_max); EXPECT_EQ(1, UINT16_MAX, (uint16_t) 0xffff); break; + CASE_TEST(limit_int32_max); EXPECT_EQ(1, INT32_MAX, (int32_t) 0x7fffffff); break; + CASE_TEST(limit_int32_min); EXPECT_EQ(1, INT32_MIN, (int32_t) 0x80000000); break; + CASE_TEST(limit_uint32_max); EXPECT_EQ(1, UINT32_MAX, (uint32_t) 0xffffffff); break; + CASE_TEST(limit_int64_max); EXPECT_EQ(1, INT64_MAX, (int64_t) 0x7fffffffffffffff); break; + CASE_TEST(limit_int64_min); EXPECT_EQ(1, INT64_MIN, (int64_t) 0x8000000000000000); break; + CASE_TEST(limit_uint64_max); EXPECT_EQ(1, UINT64_MAX, (uint64_t) 0xffffffffffffffff); break; + CASE_TEST(limit_int_least8_max); EXPECT_EQ(1, INT_LEAST8_MAX, (int_least8_t) 0x7f); break; + CASE_TEST(limit_int_least8_min); EXPECT_EQ(1, INT_LEAST8_MIN, (int_least8_t) 0x80); break; + CASE_TEST(limit_uint_least8_max); EXPECT_EQ(1, UINT_LEAST8_MAX, (uint_least8_t) 0xff); break; + CASE_TEST(limit_int_least16_max); EXPECT_EQ(1, INT_LEAST16_MAX, (int_least16_t) 0x7fff); break; + CASE_TEST(limit_int_least16_min); EXPECT_EQ(1, INT_LEAST16_MIN, (int_least16_t) 0x8000); break; + CASE_TEST(limit_uint_least16_max); EXPECT_EQ(1, UINT_LEAST16_MAX, (uint_least16_t) 0xffff); break; + CASE_TEST(limit_int_least32_max); EXPECT_EQ(1, INT_LEAST32_MAX, (int_least32_t) 0x7fffffff); break; + CASE_TEST(limit_int_least32_min); EXPECT_EQ(1, INT_LEAST32_MIN, (int_least32_t) 0x80000000); break; + CASE_TEST(limit_uint_least32_max); EXPECT_EQ(1, UINT_LEAST32_MAX, (uint_least32_t) 0xffffffffU); break; + CASE_TEST(limit_int_least64_min); EXPECT_EQ(1, INT_LEAST64_MIN, (int_least64_t) 0x8000000000000000LL); break; + CASE_TEST(limit_int_least64_max); EXPECT_EQ(1, INT_LEAST64_MAX, (int_least64_t) 0x7fffffffffffffffLL); break; + CASE_TEST(limit_uint_least64_max); EXPECT_EQ(1, UINT_LEAST64_MAX, (uint_least64_t) 0xffffffffffffffffULL); break; + CASE_TEST(limit_int_fast8_max); EXPECT_EQ(1, INT_FAST8_MAX, (int_fast8_t) 0x7f); break; + CASE_TEST(limit_int_fast8_min); EXPECT_EQ(1, INT_FAST8_MIN, (int_fast8_t) 0x80); break; + CASE_TEST(limit_uint_fast8_max); EXPECT_EQ(1, UINT_FAST8_MAX, (uint_fast8_t) 0xff); break; + CASE_TEST(limit_int_fast16_min); EXPECT_EQ(1, INT_FAST16_MIN, (int_fast16_t) INTPTR_MIN); break; + CASE_TEST(limit_int_fast16_max); EXPECT_EQ(1, INT_FAST16_MAX, (int_fast16_t) INTPTR_MAX); break; + CASE_TEST(limit_uint_fast16_max); EXPECT_EQ(1, UINT_FAST16_MAX, (uint_fast16_t) UINTPTR_MAX); break; + CASE_TEST(limit_int_fast32_min); EXPECT_EQ(1, INT_FAST32_MIN, (int_fast32_t) INTPTR_MIN); break; + CASE_TEST(limit_int_fast32_max); EXPECT_EQ(1, INT_FAST32_MAX, (int_fast32_t) INTPTR_MAX); break; + CASE_TEST(limit_uint_fast32_max); EXPECT_EQ(1, UINT_FAST32_MAX, (uint_fast32_t) UINTPTR_MAX); break; + CASE_TEST(limit_int_fast64_min); EXPECT_EQ(1, INT_FAST64_MIN, (int_fast64_t) INTPTR_MIN); break; + CASE_TEST(limit_int_fast64_max); EXPECT_EQ(1, INT_FAST64_MAX, (int_fast64_t) INTPTR_MAX); break; + CASE_TEST(limit_uint_fast64_max); EXPECT_EQ(1, UINT_FAST64_MAX, (uint_fast64_t) UINTPTR_MAX); break; +#if __SIZEOF_LONG__ == 8 + CASE_TEST(limit_intptr_min); EXPECT_EQ(1, INTPTR_MIN, (intptr_t) 0x8000000000000000LL); break; + CASE_TEST(limit_intptr_max); EXPECT_EQ(1, INTPTR_MAX, (intptr_t) 0x7fffffffffffffffLL); break; + CASE_TEST(limit_uintptr_max); EXPECT_EQ(1, UINTPTR_MAX, (uintptr_t) 0xffffffffffffffffULL); break; + CASE_TEST(limit_ptrdiff_min); EXPECT_EQ(1, PTRDIFF_MIN, (ptrdiff_t) 0x8000000000000000LL); break; + CASE_TEST(limit_ptrdiff_max); EXPECT_EQ(1, PTRDIFF_MAX, (ptrdiff_t) 0x7fffffffffffffffLL); break; + CASE_TEST(limit_size_max); EXPECT_EQ(1, SIZE_MAX, (size_t) 0xffffffffffffffffULL); break; +#elif __SIZEOF_LONG__ == 4 + CASE_TEST(limit_intptr_min); EXPECT_EQ(1, INTPTR_MIN, (intptr_t) 0x80000000); break; + CASE_TEST(limit_intptr_max); EXPECT_EQ(1, INTPTR_MAX, (intptr_t) 0x7fffffff); break; + CASE_TEST(limit_uintptr_max); EXPECT_EQ(1, UINTPTR_MAX, (uintptr_t) 0xffffffffU); break; + CASE_TEST(limit_ptrdiff_min); EXPECT_EQ(1, PTRDIFF_MIN, (ptrdiff_t) 0x80000000); break; + CASE_TEST(limit_ptrdiff_max); EXPECT_EQ(1, PTRDIFF_MAX, (ptrdiff_t) 0x7fffffff); break; + CASE_TEST(limit_size_max); EXPECT_EQ(1, SIZE_MAX, (size_t) 0xffffffffU); break; +#else +# warning "__SIZEOF_LONG__ is undefined" +#endif /* __SIZEOF_LONG__ */ case __LINE__: return ret; /* must be last */ /* note: do not set any defaults so as to permit holes above */ @@ -610,6 +667,63 @@ int run_stdlib(int min, int max) return ret; } +#if defined(__clang__) +__attribute__((optnone)) +#elif defined(__GNUC__) +__attribute__((optimize("O0"))) +#endif +static int smash_stack(void) +{ + char buf[100]; + + for (size_t i = 0; i < 200; i++) + buf[i] = 'P'; + + return 1; +} + +static int run_protection(int min, int max) +{ + pid_t pid; + int llen = 0, status; + + llen += printf("0 -fstackprotector "); + +#if !defined(NOLIBC_STACKPROTECTOR) + llen += printf("not supported"); + pad_spc(llen, 64, "[SKIPPED]\n"); + return 0; +#endif + + pid = -1; + pid = fork(); + + switch (pid) { + case -1: + llen += printf("fork()"); + pad_spc(llen, 64, "[FAIL]\n"); + return 1; + + case 0: + close(STDOUT_FILENO); + close(STDERR_FILENO); + + smash_stack(); + return 1; + + default: + pid = waitpid(pid, &status, 0); + + if (pid == -1 || !WIFSIGNALED(status) || WTERMSIG(status) != SIGABRT) { + llen += printf("waitpid()"); + pad_spc(llen, 64, "[FAIL]\n"); + return 1; + } + pad_spc(llen, 64, " [OK]\n"); + return 0; + } +} + /* prepare what needs to be prepared for pid 1 (stdio, /dev, /proc, etc) */ int prepare(void) { @@ -660,10 +774,11 @@ int prepare(void) } /* This is the definition of known test names, with their functions */ -static struct test test_names[] = { +static const struct test test_names[] = { /* add new tests here */ - { .name = "syscall", .func = run_syscall }, - { .name = "stdlib", .func = run_stdlib }, + { .name = "syscall", .func = run_syscall }, + { .name = "stdlib", .func = run_stdlib }, + { .name = "protection", .func = run_protection }, { 0 } }; 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