[PATCH v2] selftests/seccomp: Add SKIP for failed unshare()

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From: Yang Guang <yang.guang5@xxxxxxxxxx>

Running the seccomp tests under the kernel with "defconfig"
shouldn't fail. Because the CONFIG_USER_NS is not supported
in "defconfig". Skipping this case instead of failing it is
better.

Signed-off-by: Yang Guang <yang.guang5@xxxxxxxxxx>
Signed-off-by: David Yang <davidcomponentone@xxxxxxxxx>
Reviewed-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>

---
Changes from v1->v2:
- Modify the commit message to better understand.
---
 tools/testing/selftests/seccomp/seccomp_bpf.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 313bb0cbfb1e..e9a61cb2eb88 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -3742,7 +3742,10 @@ TEST(user_notification_fault_recv)
 	struct seccomp_notif req = {};
 	struct seccomp_notif_resp resp = {};
 
-	ASSERT_EQ(unshare(CLONE_NEWUSER), 0);
+	ASSERT_EQ(unshare(CLONE_NEWUSER), 0) {
+		if (errno == EINVAL)
+			SKIP(return, "kernel missing CLONE_NEWUSER support");
+	}
 
 	listener = user_notif_syscall(__NR_getppid,
 				      SECCOMP_FILTER_FLAG_NEW_LISTENER);
-- 
2.30.2




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