diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cgroup.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 7dc8788cfd52..c3d1802a9b30 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -4543,6 +4543,11 @@ static int cgroup_mkdir(struct kernfs_node *parent_kn, const char *name, struct cftype *base_files; int ssid, ret; + /* Do not accept '\n' to prevent making /proc/<pid>/cgroup unparsable. + */ + if (strchr(name, '\n')) + return -EINVAL; + parent = cgroup_kn_lock_live(parent_kn); if (!parent) return -ENODEV; |