Andrei Vagin 6342140db6 selftests/timens: add a test for vfork+exit
* check that a child process is in parent's time namespace after vfork.
* check that a child process is in the target namespace after exec.

Output on success:
$ ./vfork_exec
1..1
ok 1 exec

Signed-off-by: Andrei Vagin <avagin@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220613060723.197407-2-avagin@gmail.com
2022-06-15 07:58:22 -07:00
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