[LTP] [PATCH 1/2] chdir01.c: Fix on enabled FIPS

[Petr Vorel]

which causes 0 permission for user and group.

Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
 testcases/kernel/syscalls/chdir/chdir01.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/testcases/kernel/syscalls/chdir/chdir01.c b/testcases/kernel/syscalls/chdir/chdir01.c
index aa25adf6aa..5819998484 100644
--- a/testcases/kernel/syscalls/chdir/chdir01.c
+++ b/testcases/kernel/syscalls/chdir/chdir01.c
@@ -27,7 +27,7 @@
 #define LINK_NAME2 "symloop2"
 
 static char *workdir;
-static int skip_symlinks, skip_blocked;
+static int skip_symlinks, blocked_perm;
 static struct passwd *ltpuser;
 
 static struct test_case {
@@ -61,9 +61,9 @@ static void setup(void)
 	SAFE_MKDIR(BLOCKED_NAME, 0644);
 	umask(sys_umask);
 
-	/* FAT and NTFS override file and directory permissions */
 	SAFE_STAT(BLOCKED_NAME, &statbuf);
-	skip_blocked = statbuf.st_mode & 0111;
+	blocked_perm = statbuf.st_mode;
+
 	skip_symlinks = 0;
 	TEST(symlink(LINK_NAME1, LINK_NAME2));
 
@@ -117,7 +117,15 @@ static void run(unsigned int n)
 	TEST(chdir(tc->name));
 	check_result("root", tc->name, tc->root_ret, tc->root_err);
 
-	if (tc->nobody_err == EACCES && skip_blocked) {
+	/* FIPS mode disables umask efect for group or other */
+	if (!(blocked_perm & S_IRGRP) && strcmp(tc->name, "/") != 0) {
+		tst_res(TCONF, "Skipping unprivileged permission test, "
+			"no read permission for \"%s\"", tc->name);
+		return;
+	}
+
+	/* FAT and NTFS override file and directory permissions */
+	if (blocked_perm & 0111 && tc->nobody_err == EACCES) {
 		tst_res(TCONF, "Skipping unprivileged permission test, "
 			"FS mangles dir mode");
 		return;
-- 
2.34.1