I am going to seperate my comments into individual replies to help reduce the chance they are lost.
> +void mmu_notifier_release(struct mm_struct *mm) ... > + hlist_for_each_entry_safe_rcu(mn, n, t, > + &mm->mmu_notifier.head, hlist) { > + if (mn->ops->release) > + mn->ops->release(mn, mm); > + hlist_del(&mn->hlist); This is a use-after-free issue. The hlist_del_rcu needs to be done before the callout as the structure containing the mmu_notifier structure will need to be freed from within the ->release callout. Thanks, Robin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/