[libvirt] [PATCH 5/5] qemuDomainCreateDevice: Canonicalize paths

[Michal Privoznik]

On 01/11/2017 06:04 PM, Daniel P. Berrange wrote:
> On Wed, Jan 11, 2017 at 05:43:16PM +0100, Michal Privoznik wrote:
>> So far the decision whether /dev/* entry is created in the qemu
>> namespace is really simple: does the path starts with "/dev/"?
>> This can be easily fooled by providing path like the following
>> (for any considered device like disk, rng, chardev, ..):
>>
>>   /dev/../var/lib/libvirt/images/disk.qcow2
> 
> Did you find someone/thing that was actually doing that ?

No, but Martin asked me about that when talking about namespaces and I
thought of trying that out. The domain startup did not fail, but only
because of 3aae99fe71 which made mknod() not error out on EEXIST.

Michal