[CRIU] [PATCH v2 01/57] user_ns: Close pid proc in create_user_ns_hierarhy_fn()

[Kirill Tkhai]

Child is cloned with CLONE_FILES, so it may rewrite our
PROC_SELF file. Close it manually.

We can't use call_in_child_process(), because we need
additional actions between clone() and wait().

Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>
---
 criu/namespaces.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/criu/namespaces.c b/criu/namespaces.c
index c1bee49f..3a24099c 100644
--- a/criu/namespaces.c
+++ b/criu/namespaces.c
@@ -2251,6 +2251,7 @@ static int create_user_ns_hierarhy_fn(void *in_arg)
 		futex_set_and_wake(p_futex, ret ? NS__ERROR : NS__RESTORED);
 	if (arg)
 		munmap(arg, sizeof(*arg));
+	close_pid_proc();
 	return ret ? 1 : 0;
 }