diff options
Diffstat (limited to 'kernel/pid.c')
| -rw-r--r-- | kernel/pid.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/pid.c b/kernel/pid.c index c45a28c16cd2..4fffec767a63 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -71,13 +71,13 @@ static int pid_max_max = PID_MAX_LIMIT; * the scheme scales to up to 4 million PIDs, runtime. */ struct pid_namespace init_pid_ns = { - .ns.count = REFCOUNT_INIT(2), + .ns.__ns_ref = REFCOUNT_INIT(2), .idr = IDR_INIT(init_pid_ns.idr), .pid_allocated = PIDNS_ADDING, .level = 0, .child_reaper = &init_task, .user_ns = &init_user_ns, - .ns.inum = PROC_PID_INIT_INO, + .ns.inum = ns_init_inum(&init_pid_ns), #ifdef CONFIG_PID_NS .ns.ops = &pidns_operations, #endif @@ -85,6 +85,7 @@ struct pid_namespace init_pid_ns = { #if defined(CONFIG_SYSCTL) && defined(CONFIG_MEMFD_CREATE) .memfd_noexec_scope = MEMFD_NOEXEC_SCOPE_EXEC, #endif + .ns.ns_type = ns_common_type(&init_pid_ns), }; EXPORT_SYMBOL_GPL(init_pid_ns); @@ -491,7 +492,7 @@ pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns) struct upid *upid; pid_t nr = 0; - if (pid && ns->level <= pid->level) { + if (pid && ns && ns->level <= pid->level) { upid = &pid->numbers[ns->level]; if (upid->ns == ns) nr = upid->nr; @@ -514,7 +515,8 @@ pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type, rcu_read_lock(); if (!ns) ns = task_active_pid_ns(current); - nr = pid_nr_ns(rcu_dereference(*task_pid_ptr(task, type)), ns); + if (ns) + nr = pid_nr_ns(rcu_dereference(*task_pid_ptr(task, type)), ns); rcu_read_unlock(); return nr; @@ -680,7 +682,7 @@ static int pid_table_root_permissions(struct ctl_table_header *head, container_of(head->set, struct pid_namespace, set); int mode = table->mode; - if (ns_capable(pidns->user_ns, CAP_SYS_ADMIN) || + if (ns_capable_noaudit(pidns->user_ns, CAP_SYS_ADMIN) || uid_eq(current_euid(), make_kuid(pidns->user_ns, 0))) mode = (mode & S_IRWXU) >> 6; else if (in_egroup_p(make_kgid(pidns->user_ns, 0))) |