On Fri, Dec 08, 2017 at 04:47:46PM +0800, Ma Shimiao wrote: > cgroup root name has max length limit, we should avoid copying > longer name than that to the name. > > Signed-off-by: Ma Shimiao <mashimiao.fnst@xxxxxxxxxxxxxx> > --- > 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 0b1ffe147f24..3614a21ad6b8 100644 > --- a/kernel/cgroup/cgroup.c > +++ b/kernel/cgroup/cgroup.c > @@ -1866,7 +1866,7 @@ void init_cgroup_root(struct cgroup_root *root, struct cgroup_sb_opts *opts) > if (opts->release_agent) > strcpy(root->release_agent_path, opts->release_agent); > if (opts->name) > - strcpy(root->name, opts->name); > + strncpy(root->name, opts->name, MAX_CGROUP_ROOT_NAMELEN); Ditto here, let's use strscpy(). Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html