selftests/capabilities: Add tests for capability evolution
This test focuses on ambient capabilities. It requires either root or the ability to create user namespaces. Some of the test cases will be skipped for nonroot users. Signed-off-by: Andy Lutomirski <luto@kernel.org> Acked-by: Kees Cook <keescook@chromium.org> Cc: Christoph Lameter <cl@linux.com> # Original author Cc: Serge E. Hallyn <serge.hallyn@ubuntu.com> Cc: James Morris <james.l.morris@oracle.com> Cc: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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