From: ye xingchen <ye.xingchen@xxxxxxxxxx> The implementation of strscpy() is more robust and safer. That's now the recommended way to copy NUL terminated strings. Signed-off-by: ye xingchen <ye.xingchen@xxxxxxxxxx> --- kernel/cgroup/cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 829aa42e773e..48a8e8fb3e91 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -2374,7 +2374,7 @@ int task_cgroup_path(struct task_struct *task, char *buf, size_t buflen) ret = cgroup_path_ns_locked(cgrp, buf, buflen, &init_cgroup_ns); } else { /* if no hierarchy exists, everyone is in "/" */ - ret = strlcpy(buf, "/", buflen); + ret = strscpy(buf, "/", buflen); } spin_unlock_irq(&css_set_lock); -- 2.25.1