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Re: [PATCH 2/2] apparmor: allow unmounting .dev entries

On Fri, Aug 7, 2020 at 6:14 PM Daniel P. Berrangé <berrange redhat com> wrote:
On Fri, Aug 07, 2020 at 12:21:20PM +0200, Christian Ehrhardt wrote:
> With qemu 5.0 and libvirt 6.6 there are new apparmor denials:
>   apparmor="DENIED" operation="umount" profile=""> >   name="/run/libvirt/qemu/1-kvmguest-groovy-norm.dev/" comm="rpc-worker"
> These are related to new issues around devmapper handling [1] and the
> error path triggered by these issues now causes this new denial.
> There are already related rules for mounting and it seems right to
> allow also the related umount.
> [1]: https://www.redhat.com/archives/libvir-list/2020-August/msg00236.html
> Signed-off-by: Christian Ehrhardt <christian ehrhardt canonical com>
> ---
>  src/security/apparmor/usr.sbin.libvirtd.in | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Daniel P. Berrangé <berrange redhat com>

Thanks for the review - there was no negative feedback so far and in tests this worked fine.
I'm committing the changes to not be postponed to close to the next release.

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Christian Ehrhardt
Staff Engineer, Ubuntu Server
Canonical Ltd

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