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selftests/nolibc: add chmod_argv0 test

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argv0 is readable and chmodable, let's use it for chmod test, but a safe
umask should be used, the readable and executable modes should be
reserved.

Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Zhangjin Wu 2023-07-08 02:46:20 +08:00 committed by Willy Tarreau
parent 135b622e48
commit 148e9718e2
1 changed files with 1 additions and 0 deletions
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tools/testing/selftests/nolibc/nolibc-test.c
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@ -706,6 +706,7 @@ int run_syscall(int min, int max)
CASE_TEST(chdir_root); EXPECT_SYSZR(1, chdir("/")); chdir(getenv("PWD")); break;
CASE_TEST(chdir_dot); EXPECT_SYSZR(1, chdir(".")); break;
CASE_TEST(chdir_blah); EXPECT_SYSER(1, chdir("/blah"), -1, ENOENT); break;
CASE_TEST(chmod_argv0); EXPECT_SYSZR(1, chmod(argv0, 0555)); break;
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;