Re: [Qemu-devel] [PATCH 0/3] virtio: Eliminate "exit(1)" upon invalid request in virtio-blk and virtio-scsi

2014-04-27 Thread Michael S. Tsirkin
On Fri, Apr 25, 2014 at 10:17:36AM +0200, Kevin Wolf wrote: > Am 25.04.2014 um 08:29 hat Markus Armbruster geschrieben: > > "Michael S. Tsirkin" writes: > > > > > On Thu, Apr 24, 2014 at 12:43:56PM +0200, Kevin Wolf wrote: > > >> Am 24.04.2014 um 09:55 hat Michael S. Tsirkin geschrieben: > > >> >

Re: [Qemu-devel] [PATCH 0/3] virtio: Eliminate "exit(1)" upon invalid request in virtio-blk and virtio-scsi

2014-04-25 Thread Kevin Wolf
Am 25.04.2014 um 08:29 hat Markus Armbruster geschrieben: > "Michael S. Tsirkin" writes: > > > On Thu, Apr 24, 2014 at 12:43:56PM +0200, Kevin Wolf wrote: > >> Am 24.04.2014 um 09:55 hat Michael S. Tsirkin geschrieben: > >> > On Thu, Apr 24, 2014 at 09:15:25AM +0200, Markus Armbruster wrote: > >>

Re: [Qemu-devel] [PATCH 0/3] virtio: Eliminate "exit(1)" upon invalid request in virtio-blk and virtio-scsi

2014-04-24 Thread Markus Armbruster
"Michael S. Tsirkin" writes: > On Thu, Apr 24, 2014 at 12:43:56PM +0200, Kevin Wolf wrote: >> Am 24.04.2014 um 09:55 hat Michael S. Tsirkin geschrieben: >> > On Thu, Apr 24, 2014 at 09:15:25AM +0200, Markus Armbruster wrote: >> > > "Michael S. Tsirkin" writes: >> > > >> > > > On Wed, Apr 23, 20

Re: [Qemu-devel] [PATCH 0/3] virtio: Eliminate "exit(1)" upon invalid request in virtio-blk and virtio-scsi

2014-04-24 Thread Michael S. Tsirkin
On Thu, Apr 24, 2014 at 09:15:25AM +0200, Markus Armbruster wrote: > "Michael S. Tsirkin" writes: > > > On Wed, Apr 23, 2014 at 11:22:51AM +0800, Fam Zheng wrote: > >> On Tue, 04/22 22:12, Michael S. Tsirkin wrote: > >> > On Tue, Apr 22, 2014 at 04:55:14PM +0800, Fam Zheng wrote: > >> > > Today,

Re: [Qemu-devel] [PATCH 0/3] virtio: Eliminate "exit(1)" upon invalid request in virtio-blk and virtio-scsi

2014-04-24 Thread Michael S. Tsirkin
On Thu, Apr 24, 2014 at 12:43:56PM +0200, Kevin Wolf wrote: > Am 24.04.2014 um 09:55 hat Michael S. Tsirkin geschrieben: > > On Thu, Apr 24, 2014 at 09:15:25AM +0200, Markus Armbruster wrote: > > > "Michael S. Tsirkin" writes: > > > > > > > On Wed, Apr 23, 2014 at 11:22:51AM +0800, Fam Zheng wrot

Re: [Qemu-devel] [PATCH 0/3] virtio: Eliminate "exit(1)" upon invalid request in virtio-blk and virtio-scsi

2014-04-24 Thread Kevin Wolf
Am 24.04.2014 um 09:55 hat Michael S. Tsirkin geschrieben: > On Thu, Apr 24, 2014 at 09:15:25AM +0200, Markus Armbruster wrote: > > "Michael S. Tsirkin" writes: > > > > > On Wed, Apr 23, 2014 at 11:22:51AM +0800, Fam Zheng wrote: > > >> This series is a step towards getting rid of such code, > >

Re: [Qemu-devel] [PATCH 0/3] virtio: Eliminate "exit(1)" upon invalid request in virtio-blk and virtio-scsi

2014-04-24 Thread Markus Armbruster
"Michael S. Tsirkin" writes: > On Wed, Apr 23, 2014 at 11:22:51AM +0800, Fam Zheng wrote: >> On Tue, 04/22 22:12, Michael S. Tsirkin wrote: >> > On Tue, Apr 22, 2014 at 04:55:14PM +0800, Fam Zheng wrote: >> > > Today, buggy or malicous guests that submit invalid requests can >> > > cause QEMU's >

Re: [Qemu-devel] [PATCH 0/3] virtio: Eliminate "exit(1)" upon invalid request in virtio-blk and virtio-scsi

2014-04-22 Thread Michael S. Tsirkin
On Wed, Apr 23, 2014 at 11:22:51AM +0800, Fam Zheng wrote: > On Tue, 04/22 22:12, Michael S. Tsirkin wrote: > > On Tue, Apr 22, 2014 at 04:55:14PM +0800, Fam Zheng wrote: > > > Today, buggy or malicous guests that submit invalid requests can cause > > > QEMU's > > > exit with an error message, whi

Re: [Qemu-devel] [PATCH 0/3] virtio: Eliminate "exit(1)" upon invalid request in virtio-blk and virtio-scsi

2014-04-22 Thread Fam Zheng
On Tue, 04/22 22:12, Michael S. Tsirkin wrote: > On Tue, Apr 22, 2014 at 04:55:14PM +0800, Fam Zheng wrote: > > Today, buggy or malicous guests that submit invalid requests can cause > > QEMU's > > exit with an error message, which is not friendly to neither user/admin nor > > guest. When passing

Re: [Qemu-devel] [PATCH 0/3] virtio: Eliminate "exit(1)" upon invalid request in virtio-blk and virtio-scsi

2014-04-22 Thread Michael S. Tsirkin
On Tue, Apr 22, 2014 at 04:55:14PM +0800, Fam Zheng wrote: > Today, buggy or malicous guests that submit invalid requests can cause QEMU's > exit with an error message, which is not friendly to neither user/admin nor > guest. When passing through a virtio device to a nested vm, there is also an > D

[Qemu-devel] [PATCH 0/3] virtio: Eliminate "exit(1)" upon invalid request in virtio-blk and virtio-scsi

2014-04-22 Thread Fam Zheng
Today, buggy or malicous guests that submit invalid requests can cause QEMU's exit with an error message, which is not friendly to neither user/admin nor guest. When passing through a virtio device to a nested vm, there is also an D.O.S. vulnerability. This series adds "broken" flag to VirtIODevic