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ns: Always start usernsd

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We need a parent for pid_ns helpers. This can't be criu task,
as this introduces circular dependencies. So choose usernsd
for that, as we create it almost always.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
This commit is contained in:
Kirill Tkhai
2017-05-05 19:17:32 +03:00
committed by Andrei Vagin
parent 589c378e12
commit 7ef7bf8f75
2 changed files with 3 additions and 3 deletions
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4
criu/namespaces.c
View File

@@ -1429,7 +1429,7 @@ struct unsc_msg {
char c[CMSG_SPACE(sizeof(struct ucred)) + CMSG_SPACE(sizeof(int))];
};
static int usernsd_pid;
int usernsd_pid;
static inline void unsc_msg_init(struct unsc_msg *m, uns_call_t *c,
int *x, void *arg, size_t asize, int fd)
@@ -1657,7 +1657,7 @@ static int start_usernsd(void)
int sk[2];
int one = 1;
if (!(root_ns_mask & CLONE_NEWUSER))
if (!(root_ns_mask & (CLONE_NEWUSER|CLONE_NEWPID)))
return 0;
/*

2
criu/net.c
View File

@@ -1336,7 +1336,7 @@ static int userns_restore_one_link(void *arg, int fd, pid_t pid)
struct newlink_req *req = arg;
int ns_fd = get_service_fd(NS_FD_OFF), rst = -1;
if (!(root_ns_mask & CLONE_NEWUSER)) {
if (ns_fd > 0) {
if (switch_ns_by_fd(ns_fd, &net_ns_desc, &rst))
return -1;
}