diff options
Diffstat (limited to 'kernel/cgroup.c')
| -rw-r--r-- | kernel/cgroup.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index cd3d81961cc2..fe08e12683fe 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -3311,6 +3311,10 @@ static int cgroup_rename(struct kernfs_node *kn, struct kernfs_node *new_parent, struct cgroup *cgrp = kn->priv; int ret; + /* do not accept '\n' to prevent making /proc/<pid>/cgroup unparsable */ + if (strchr(new_name_str, '\n')) + return -EINVAL; + if (kernfs_type(kn) != KERNFS_DIR) return -ENOTDIR; if (kn->parent != new_parent) |