Re: [PATCH V2] virtio-scsi: Fix hotcpu_notifier use-after-free with virtscsi_freeze

2014-01-14 Thread Rusty Russell
Jason Wang writes: > From: Asias He > > vqs are freed in virtscsi_freeze but the hotcpu_notifier is not > unregistered. We will have a use-after-free usage when the notifier > callback is called after virtscsi_freeze. > > Fixes: 285e71ea6f3583a85e27cb2b9a7d8c35d4c0d558 > ("virtio-scsi: reset virt

[PATCH V2] virtio-scsi: Fix hotcpu_notifier use-after-free with virtscsi_freeze

2013-12-16 Thread Jason Wang
From: Asias He vqs are freed in virtscsi_freeze but the hotcpu_notifier is not unregistered. We will have a use-after-free usage when the notifier callback is called after virtscsi_freeze. Fixes: 285e71ea6f3583a85e27cb2b9a7d8c35d4c0d558 ("virtio-scsi: reset virtqueue affinity when doing cpu hotp