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selftests/seccomp: Add SKIP for failed unshare()

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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@zte.com.cn>
Signed-off-by: David Yang <davidcomponentone@gmail.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/7f7687696a5c0a2d040a24474616e945c7cf2bb5.1648599460.git.yang.guang5@zte.com.cn
This commit is contained in:
Yang Guang 2022-03-30 08:22:10 +08:00 committed by Kees Cook
parent d250a3e4e5
commit 95a126d981
1 changed files with 4 additions and 1 deletions
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5
tools/testing/selftests/seccomp/seccomp_bpf.c
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@ -3743,7 +3743,10 @@ 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);