Re: [PATCH] virt-aa-helper: resolve file symlinks

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On 03/19/2018 11:10 AM, Christian Ehrhardt wrote:
> In a recent change b932ed69: "virt-aa-helper: resolve yet to be created
> paths" several cases with symlinks in paths were fixed, but it regressed
> cases where the file being last element of the path was the actual link.
> 
> In the case of the last element being the symlink realpath can (and shall)
> be called on the full path that was passed.
> 
> Examples would be zfs/lvm block devices like:
>  <disk type='block' device='disk'>
>     <driver name='qemu' type='raw'/>
>     <source dev='/dev/mapper/testlvm-testvol1'/>
>     <target dev='vdd' bus='virtio'/>
>  </disk>
> With the target being:
>  /dev/mapper/testlvm-testvol1 -> ../dm-0
> 
> That currently is rendered as
>  "/dev/mapper/testlvm-testvol1" rwk,
> but instead should be (and is with the fix):
>  "/dev/dm-0" rwk,
> 
> Fixes: b932ed69: "virt-aa-helper: resolve yet to be created paths"
> Fixes: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1756394
> 
> Signed-off-by: Christian Ehrhardt <christian.ehrhardt@xxxxxxxxxxxxx>
> ---
>  src/security/virt-aa-helper.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

ACKed and pushed.

Michal

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