diff options
Diffstat (limited to 'fs/proc/root.c')
| -rw-r--r-- | fs/proc/root.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/proc/root.c b/fs/proc/root.c index 38bd5d423fcd..45e5fb7da09b 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -110,8 +110,11 @@ static struct dentry *proc_mount(struct file_system_type *fs_type, ns = task_active_pid_ns(current); options = data; - if (!current_user_ns()->may_mount_proc || - !ns_capable(ns->user_ns, CAP_SYS_ADMIN)) + if (!capable(CAP_SYS_ADMIN) && !fs_fully_visible(fs_type)) + return ERR_PTR(-EPERM); + + /* Does the mounter have privilege over the pid namespace? */ + if (!ns_capable(ns->user_ns, CAP_SYS_ADMIN)) return ERR_PTR(-EPERM); } |