selftests: add memfd_create() + sealing tests

Some basic tests to verify sealing on memfds works as expected and
guarantees the advertised semantics.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Ryan Lortie <desrt@desrt.ca>
Cc: Lennart Poettering <lennart@poettering.net>
Cc: Daniel Mack <zonque@gmail.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index d10f95c..6fd2a44 100644 (file)
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -2,6 +2,7 @@ TARGETS = breakpoints
 TARGETS += cpu-hotplug
 TARGETS += efivarfs
 TARGETS += kcmp
+TARGETS += memfd
 TARGETS += memory-hotplug
 TARGETS += mqueue
 TARGETS += net

diff --cc tools/testing/selftests/memfd/.gitignore
Simple merge

diff --cc tools/testing/selftests/memfd/Makefile
Simple merge

diff --cc tools/testing/selftests/memfd/memfd_test.c
Simple merge