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| author | Ladi Prosek <lprosek@redhat.com> | 2017-05-30 10:59:43 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2017-06-02 18:57:16 +0300 |
| commit | f811f97040a48358b456b46ecbc9167f0131034f (patch) | |
| tree | c123b0d74f9531f7a061e6a17dd001f843f15746 /docs/specs | |
| parent | d47a851caeda96d5979bf48d4bae6a87784ad91d (diff) | |
| download | focaccia-qemu-f811f97040a48358b456b46ecbc9167f0131034f.tar.gz focaccia-qemu-f811f97040a48358b456b46ecbc9167f0131034f.zip | |
virtio-serial-bus: Unset hotplug handler when unrealize
Virtio serial device controls the lifetime of virtio-serial-bus and virtio-serial-bus links back to the device via its hotplug-handler property. This extra ref-count prevents the device from getting finalized, leaving the VirtIODevice memory listener registered and leading to use-after-free later on. This patch addresses the same issue as Fam Zheng's "virtio-scsi: Unset hotplug handler when unrealize" only for a different virtio device. Cc: qemu-stable@nongnu.org Signed-off-by: Ladi Prosek <lprosek@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com>
Diffstat (limited to 'docs/specs')
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