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

[David Howells]

Serge E. Hallyn <serue at 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
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