diff options
Diffstat (limited to 'kernel/nsproxy.c')
| -rw-r--r-- | kernel/nsproxy.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c index a4fb7d46971f..f1decd21a534 100644 --- a/kernel/nsproxy.c +++ b/kernel/nsproxy.c @@ -20,6 +20,7 @@ #include <linux/mnt_namespace.h> #include <linux/utsname.h> #include <linux/pid_namespace.h> +#include <net/net_namespace.h> static struct kmem_cache *nsproxy_cachep; @@ -98,8 +99,17 @@ static struct nsproxy *create_new_namespaces(unsigned long flags, goto out_user; } + new_nsp->net_ns = copy_net_ns(flags, tsk->nsproxy->net_ns); + if (IS_ERR(new_nsp->net_ns)) { + err = PTR_ERR(new_nsp->net_ns); + goto out_net; + } + return new_nsp; +out_net: + if (new_nsp->user_ns) + put_user_ns(new_nsp->user_ns); out_user: if (new_nsp->pid_ns) put_pid_ns(new_nsp->pid_ns); @@ -132,7 +142,7 @@ int copy_namespaces(unsigned long flags, struct task_struct *tsk) get_nsproxy(old_ns); - if (!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWUSER))) + if (!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWUSER | CLONE_NEWNET))) return 0; if (!capable(CAP_SYS_ADMIN)) { @@ -164,6 +174,7 @@ void free_nsproxy(struct nsproxy *ns) put_pid_ns(ns->pid_ns); if (ns->user_ns) put_user_ns(ns->user_ns); + put_net(ns->net_ns); kmem_cache_free(nsproxy_cachep, ns); } @@ -177,7 +188,7 @@ int unshare_nsproxy_namespaces(unsigned long unshare_flags, int err = 0; if (!(unshare_flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC | - CLONE_NEWUSER))) + CLONE_NEWUSER | CLONE_NEWNET))) return 0; if (!capable(CAP_SYS_ADMIN)) |