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-rw-r--r--tools/testing/selftests/nolibc/nolibc-test.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index 772f88bda0f1..6a7c13f0cd61 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -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;