From: Avi Kivity <avi@redhat.com>
To: Gregory Haskins <gregory.haskins@gmail.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
Gregory Haskins <ghaskins@novell.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
mtosatti@redhat.com, paulmck@linux.vnet.ibm.com,
markmc@redhat.com
Subject: Re: [KVM PATCH v8 3/3] KVM: add iosignalfd support
Date: Mon, 22 Jun 2009 17:30:18 +0300 [thread overview]
Message-ID: <4A3F957A.6000501@redhat.com> (raw)
In-Reply-To: <4A3F84FD.3090700@gmail.com>
On 06/22/2009 04:19 PM, Gregory Haskins wrote:
> The question to ask is whether a guest can influence that condition. If
> they can, its an attack vector to crash the host. I suspect they can't,
> however. Therefore, your recommendation is perhaps a good approach so
> this condition cannot ever go unnoticed. Avi?
>
No, this is host memory in the emulator context, allocated as unsigned
long. But this is on x86 which isn't sensitive to alignment anyway.
It's unlikely that other achitectures will supply unaligned pointers.
We ought to convert the interface to pass a value anyway.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-06-22 14:29 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-19 0:30 [KVM PATCH v8 0/3] iosignalfd Gregory Haskins
2009-06-19 0:30 ` [KVM PATCH v8 1/3] KVM: make io_bus interface more robust Gregory Haskins
2009-06-25 14:22 ` Gregory Haskins
2009-06-25 14:53 ` Michael S. Tsirkin
2009-06-25 14:56 ` Gregory Haskins
2009-06-19 0:30 ` [KVM PATCH v8 2/3] KVM: add per-vm limit on the maximum number of io-devices supported Gregory Haskins
2009-06-19 0:30 ` [KVM PATCH v8 3/3] KVM: add iosignalfd support Gregory Haskins
2009-06-22 10:44 ` Michael S. Tsirkin
2009-06-22 12:13 ` Gregory Haskins
2009-06-22 12:26 ` Paolo Bonzini
2009-06-22 12:30 ` Michael S. Tsirkin
2009-06-22 12:56 ` Gregory Haskins
2009-06-22 13:08 ` Michael S. Tsirkin
2009-06-22 13:12 ` Gregory Haskins
2009-06-22 13:13 ` Avi Kivity
2009-06-22 13:04 ` Gregory Haskins
2009-06-22 13:13 ` Michael S. Tsirkin
2009-06-22 13:19 ` Gregory Haskins
2009-06-22 14:30 ` Avi Kivity [this message]
2009-06-22 14:39 ` Gregory Haskins
2009-06-22 14:28 ` Avi Kivity
2009-06-22 15:16 ` [PATCH RFC] pass write value to in_range pointers Michael S. Tsirkin
2009-06-22 15:45 ` Gregory Haskins
2009-06-22 16:08 ` Michael S. Tsirkin
2009-06-22 16:29 ` Gregory Haskins
2009-06-22 17:27 ` Michael S. Tsirkin
2009-06-23 4:04 ` Gregory Haskins
2009-06-23 11:44 ` Michael S. Tsirkin
2009-06-23 11:52 ` Gregory Haskins
2009-06-23 11:56 ` Avi Kivity
2009-06-23 12:01 ` Gregory Haskins
2009-06-23 12:19 ` Avi Kivity
2009-06-23 11:53 ` Avi Kivity
2009-06-23 9:54 ` Avi Kivity
2009-06-23 9:52 ` Avi Kivity
2009-06-23 11:41 ` Gregory Haskins
2009-06-23 11:46 ` Michael S. Tsirkin
2009-06-23 8:56 ` [KVM PATCH v8 3/3] KVM: add iosignalfd support Michael S. Tsirkin
2009-06-23 9:57 ` Avi Kivity
2009-06-23 10:48 ` Michael S. Tsirkin
2009-06-23 11:24 ` Avi Kivity
2009-06-23 11:33 ` Gregory Haskins
2009-06-23 11:36 ` Michael S. Tsirkin
2009-06-23 11:40 ` Gregory Haskins
2009-06-23 13:22 ` Gregory Haskins
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