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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: qemu-devel@nongnu.org, fred.konrad@greensocs.com
Subject: Re: [Qemu-devel] [PATCH 00/11] virtio: cleanup and fix hot-unplug
Date: Sun, 22 Sep 2013 10:08:13 +0200	[thread overview]
Message-ID: <523EA56D.1050403@redhat.com> (raw)
In-Reply-To: <20130921191736.GA20578@redhat.com>

Il 21/09/2013 21:17, Michael S. Tsirkin ha scritto:
> On Fri, Sep 20, 2013 at 04:57:49PM +0200, Paolo Bonzini wrote:
>> This series fixes hot-unplug of virtio devices, which can crash due to
>> dangling pointer accesses.
> 
> Could you please describe the sequence of steps that makes
> qemu crash?

See patch 11.  I didn't find out why it fails with PCIe but not PCI,
probably a difference in how malloc reuses freed blocks.

Paolo

  reply	other threads:[~2013-09-22  8:08 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-20 14:57 [Qemu-devel] [PATCH 00/11] virtio: cleanup and fix hot-unplug Paolo Bonzini
2013-09-20 14:57 ` [Qemu-devel] [PATCH 01/11] virtio-bus: remove vdev field Paolo Bonzini
2013-10-14 16:23   ` [Qemu-devel] [PATCH 12/11] virtio-pci: avoid extra pointer dereferences on fast path Paolo Bonzini
2013-10-15 12:13     ` Frederic Konrad
2013-10-15 12:16       ` Paolo Bonzini
2013-10-15 16:46   ` [Qemu-devel] [PATCH v3 00/12] virtio: cleanup and fix hot-unplug Paolo Bonzini
2013-10-15 16:46     ` [Qemu-devel] [PATCH v3 01/12] virtio-ccw: move virtio_ccw_stop_ioeventfd to virtio_ccw_busdev_unplug Paolo Bonzini
2013-10-15 16:46     ` [Qemu-devel] [PATCH v3 02/12] virtio-bus: remove vdev field Paolo Bonzini
2013-10-15 16:46     ` [Qemu-devel] [PATCH v3 03/12] virtio-ccw: " Paolo Bonzini
2013-10-15 16:46     ` [Qemu-devel] [PATCH v3 04/12] virtio-pci: " Paolo Bonzini
2013-10-15 16:46     ` [Qemu-devel] [PATCH v3 05/12] virtio-bus: cleanup plug/unplug interface Paolo Bonzini
2013-10-15 16:46     ` [Qemu-devel] [PATCH v3 06/12] virtio-blk: switch exit callback to VirtioDeviceClass Paolo Bonzini
2013-10-15 16:46     ` [Qemu-devel] [PATCH v3 07/12] virtio-serial: " Paolo Bonzini
2013-10-15 16:46     ` [Qemu-devel] [PATCH v3 08/12] virtio-net: " Paolo Bonzini
2013-10-15 16:46     ` [Qemu-devel] [PATCH v3 09/12] virtio-scsi: " Paolo Bonzini
2013-10-15 16:46     ` [Qemu-devel] [PATCH v3 10/12] virtio-balloon: " Paolo Bonzini
2013-10-15 16:46     ` [Qemu-devel] [PATCH v3 11/12] virtio-rng: " Paolo Bonzini
2013-10-15 16:46     ` [Qemu-devel] [PATCH v3 12/12] virtio-pci: add device_unplugged callback Paolo Bonzini
2013-09-20 14:57 ` [Qemu-devel] [PATCH 02/11] virtio-pci: remove vdev field Paolo Bonzini
2013-09-20 14:57 ` [Qemu-devel] [PATCH 03/11] virtio-ccw: " Paolo Bonzini
2013-09-20 14:57 ` [Qemu-devel] [PATCH 04/11] virtio-bus: cleanup plug/unplug interface Paolo Bonzini
2013-09-20 14:57 ` [Qemu-devel] [PATCH 05/11] virtio-blk: switch exit callback to VirtioDeviceClass Paolo Bonzini
2013-09-20 14:57 ` [Qemu-devel] [PATCH 06/11] virtio-serial: " Paolo Bonzini
2013-09-20 14:57 ` [Qemu-devel] [PATCH 07/11] virtio-net: " Paolo Bonzini
2013-09-20 14:57 ` [Qemu-devel] [PATCH 08/11] virtio-scsi: " Paolo Bonzini
2013-09-20 14:57 ` [Qemu-devel] [PATCH 09/11] virtio-balloon: " Paolo Bonzini
2013-09-20 14:57 ` [Qemu-devel] [PATCH 10/11] virtio-rng: " Paolo Bonzini
2013-09-20 14:58 ` [Qemu-devel] [PATCH 11/11] virtio-pci: add device_unplugged callback Paolo Bonzini
2013-09-21 19:17 ` [Qemu-devel] [PATCH 00/11] virtio: cleanup and fix hot-unplug Michael S. Tsirkin
2013-09-22  8:08   ` Paolo Bonzini [this message]
2013-10-08 15:45     ` Paolo Bonzini
2013-10-08 17:02 ` Paolo Bonzini
2013-10-15 12:32   ` Michael S. Tsirkin

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