Re: mm/slub: fix a memory leak in sysfs_slab_add()
From: syzbot
Date: Thu Nov 14 2024 - 02:49:43 EST
> #syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
want either no args or 2 args (repo, branch), got 1
> master
>
> diff --git a/mm/slub.c b/mm/slub.c
> index 4148235ba554..d10c4fbf8c84 100644
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -5653,7 +5653,7 @@ static int sysfs_slab_add(struct kmem_cache *s)
> s->kobj.kset = kset;
> err = kobject_init_and_add(&s->kobj, &slab_ktype, NULL, "%s",
> name);
> if (err) {
> - kobject_put(&s->kobj);
> + kfree_const(&s->kobj.name);
> goto out;
> }