Re: unrealize mechanism in 9pfs

2016-12-25 Thread Hugo Lefeuvre
Hi Guido, Thank you for your investigations. I've marked CVE-2016-9914/15/16 as no-dsa and will upload my patches for the two remaining issues. Cheers, Hugo -- Hugo Lefeuvre (hle)|www.owl.eu.com 4096/ ACB7 B67F 197F 9B32 1533 431C AC90 AC3E C524 065E signature.asc Descr

Re: unrealize mechanism in 9pfs

2016-12-23 Thread Guido Günther
Hi Hugo, sorry for the delay. On Tue, Dec 20, 2016 at 10:49:31AM +0100, Hugo Lefeuvre wrote: > Hi, > > > Could you paste the commands / libvirt configs you used to test this? > > for handle: > qemu -hda debian_wheezy_amd64_standard.qcow2 -fsdev > handle,id=ninepfstest,path=/home/user/ -device

Re: unrealize mechanism in 9pfs

2016-12-20 Thread Hugo Lefeuvre
Hi, > Could you paste the commands / libvirt configs you used to test this? for handle: qemu -hda debian_wheezy_amd64_standard.qcow2 -fsdev handle,id=ninepfstest,path=/home/user/ -device virtio-9p-pci,fsdev=ninepfstest,mount_tag=ninepfstest for proxy: qemu -hda debian_wheezy_amd64_standard.q

Re: unrealize mechanism in 9pfs

2016-12-18 Thread Guido Günther
On Sun, Dec 18, 2016 at 09:55:55PM +0100, Hugo Lefeuvre wrote: > Hi Guido, > > > We don't have virtfs-proxy-helper in wheezy so I think we don't need > > support the "proxy" case. > > > > As for "handle" did you check that it works in Wheezy including unplug? > > If so please let me know and we c

Re: unrealize mechanism in 9pfs

2016-12-18 Thread Hugo Lefeuvre
Hi Guido, > We don't have virtfs-proxy-helper in wheezy so I think we don't need > support the "proxy" case. > > As for "handle" did you check that it works in Wheezy including unplug? > If so please let me know and we can have a closer look. > > I've only used "local" so far which does not seem

Re: unrealize mechanism in 9pfs

2016-12-17 Thread Guido Günther
On Sat, Dec 17, 2016 at 10:29:57AM +0100, Hugo Lefeuvre wrote: > Hi, > > I'm currently finishing my upload for qemu, and a question is > remaining concerning the fix of CVE-2016-99{14,15,16}[0,1,2]. > > It is clear to me that the 9pfs proxy/handle backend drivers may > issue a memory leakage when