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2015-11-23selftests/capabilities: clean up for MakefileBamvor Jian Zhang1-12/+9
Clean up the following things: 1. Avoid the broken when use TARGETS in the command line, eg: $ make -C tools/testing/selftests TARGETS=capabilities make[1]: *** No rule to make target 'capabilities', needed by 'all'. Stop. Replace TARGETS with BINARIES. 2. User need to provide cap-ng.h and libcap-ng.so for cross compiling. Replace ':=' with '+=' for CFLAGS and introduce LDLIBS to archieve it. Delete useless EXTRA_CLAGS at the same time. 3. Delete the duplicated definition which is already defined by lib.mk. Suggested-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2015-09-05selftests/capabilities: Add tests for capability evolutionAndy Lutomirski4-0/+520
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>