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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Andreas Färber" <afaerber@suse.de>, "Bandan Das" <bsd@redhat.com>
Cc: Stefan Hajnoczi <stefanha@gmail.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	qemu-devel <qemu-devel@nongnu.org>,
	peter.maydell@linaro.org
Subject: Re: [Qemu-devel] Use-after-free during unrealize in system_reset
Date: Wed, 11 Jun 2014 14:24:56 +0200	[thread overview]
Message-ID: <53984A98.3010505@redhat.com> (raw)
In-Reply-To: <53984595.3070602@suse.de>

Il 11/06/2014 14:03, Andreas Färber ha scritto:
> Still, isn't this an indication that devices relied on the PCI bus bug
> of not unrealizing its state all the time and we may need to go back as
> far as ~1.7 (the initial finalize based fix) for resolving it?

No, I don't think so.  The devices rely on being unrealized at a time 
when the PCI bus is still valid, but that's it.  It's just an ordering 
problem introduced by 2.0.

I will repost the patch as toplevel, split and with Cc to qemu-stable.

Paolo

  reply	other threads:[~2014-06-11 12:25 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-05 15:31 [Qemu-devel] Use-after-free during unrealize in system_reset Stefan Hajnoczi
2014-06-05 16:18 ` Michael S. Tsirkin
2014-06-06  9:03   ` Stefan Hajnoczi
2014-06-06  9:52     ` Paolo Bonzini
2014-06-08 10:46       ` Michael S. Tsirkin
2014-06-08 14:40         ` Paolo Bonzini
2014-06-08 14:52           ` Michael S. Tsirkin
2014-06-08 14:52           ` Michael S. Tsirkin
2014-06-09  7:51             ` Paolo Bonzini
2014-06-09  8:15               ` Michael S. Tsirkin
2014-06-09 17:02           ` Bandan Das
2014-06-11 12:03             ` Andreas Färber
2014-06-11 12:24               ` Paolo Bonzini [this message]
2014-06-11 15:51               ` Bandan Das

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