diff options
| author | Serge E. Hallyn <[email protected]> | 2011-03-23 16:43:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2011-03-23 19:47:07 -0700 |
| commit | b515498f5bb5f38fc0e390b4ff7d00b6077de127 (patch) | |
| tree | b76dfc56415adee9aec5d8619124059ed3ab02a5 /kernel | |
| parent | fc832ad3645f0507f24d11752544525a50a83c71 (diff) | |
userns: add a user namespace owner of ipc ns
Changelog:
Feb 15: Don't set new ipc->user_ns if we didn't create a new
ipc_ns.
Feb 23: Move extern declaration to ipc_namespace.h, and group
fwd declarations at top.
Signed-off-by: Serge E. Hallyn <[email protected]>
Acked-by: "Eric W. Biederman" <[email protected]>
Acked-by: Daniel Lezcano <[email protected]>
Acked-by: David Howells <[email protected]>
Cc: James Morris <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/nsproxy.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c index b97fc9d04ddf..ac8a56e90bf8 100644 --- a/kernel/nsproxy.c +++ b/kernel/nsproxy.c @@ -80,6 +80,11 @@ static struct nsproxy *create_new_namespaces(unsigned long flags, err = PTR_ERR(new_nsp->ipc_ns); goto out_ipc; } + if (new_nsp->ipc_ns != tsk->nsproxy->ipc_ns) { + put_user_ns(new_nsp->ipc_ns->user_ns); + new_nsp->ipc_ns->user_ns = task_cred_xxx(tsk, user)->user_ns; + get_user_ns(new_nsp->ipc_ns->user_ns); + } new_nsp->pid_ns = copy_pid_ns(flags, task_active_pid_ns(tsk)); if (IS_ERR(new_nsp->pid_ns)) { |