linux-kernel - Re: [PATCH 0 of 9] mmu notifier #v12

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 09 Apr 2008 00:46:49 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Andrea Arcangeli <andrea@...ranet.com>
CC:	Christoph Lameter <clameter@....com>, akpm@...ux-foundation.org,
	Nick Piggin <npiggin@...e.de>,
	Steve Wise <swise@...ngridcomputing.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, linux-mm@...ck.org,
	Kanoj Sarcar <kanojsarcar@...oo.com>,
	Roland Dreier <rdreier@...co.com>,
	Jack Steiner <steiner@....com>, linux-kernel@...r.kernel.org,
	kvm-devel@...ts.sourceforge.net, Robin Holt <holt@....com>,
	general@...ts.openfabrics.org, Hugh Dickins <hugh@...itas.com>
Subject: Re: [PATCH 0 of 9] mmu notifier #v12

Andrea Arcangeli wrote:
> Note that mmu_notifier_unregister may also fail with -EINTR if there are
> signal pending or the system runs out of vmalloc space or physical memory,
> only exit_mmap guarantees that any kernel module can be unloaded in presence
> of an oom condition.
>
>   

That's unusual.  What happens to the notifier?  Suppose I destroy a vm 
without exiting the process, what happens if it fires?

-- 
Any sufficiently difficult bug is indistinguishable from a feature.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/