Re: namespaces?: bug at mm/slub.c:2750

David Howells
2009-02-11T17:03:19Z

Serge E. Hallyn <serue@us.ibm.com> wrote:

> static void uid_hash_remove(struct user_struct *up)
> {
> + put_user_ns(up->user_ns);
> hlist_del_init(&up->uidhash_node);
> }

Don't you need to do the hlist_del_init() first? Otherwise, mightn't the
put_user_ns() cause the namespace to be freed before hlist_del_init() removes
the user_struct from it?

David