On Mon, Mar 24, 2014 at 1:14 PM, Daniel J Walsh <dwalsh@xxxxxxxxxx> wrote:
>
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> On 03/24/2014 06:28 AM, Juerg Haefliger wrote:
> >
> >
> >
> > On Mon, Mar 24, 2014 at 11:23 AM, Juerg Haefliger <juergh@xxxxxxxxx
> > <mailto:juergh@xxxxxxxxx>> wrote:
> >>
> >>
> >>
> >>
> >> On Sat, Mar 22, 2014 at 11:46 AM, Daniel J Walsh <dwalsh@xxxxxxxxxx
> > <mailto:dwalsh@xxxxxxxxxx>> wrote:
> >>>
> > On 03/21/2014 10:36 AM, Juerg Haefliger wrote:
> >> Hi,
> >
> >> I started a VM using the official F20 cloud image, installed libvirt and
> >> its dependencies and tried to create a guest but SELinux won't let me:
> >
> >> [root@fedora-20 ~]# virsh create mini.xml error: Failed to create domain
> >> from mini.xml error: Input/output error
> >
> >> [root@fedora-20 ~]# journalctl | tail Mar 21 14:23:06 fedora-20
> >> systemd[1]: SELinux policy denies access. Mar 21 14:23:06 fedora-20
> >> systemd-machined[7210]: Failed to start machine scope: Access denied Mar
> >> 21 14:23:06 fedora-20 libvirtd[6856]: Input/output error
> >
> >> [root@fedora-20 ~]# cat /var/log/libvirt/qemu/mini.log 2014-03-21
> >> 14:23:06.740+0000: starting up LC_ALL=C
> >> PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
> >> QEMU_AUDIO_DRV=none /usr/bin/qemu-system-x86_64 -name mini -S -machine
> >> pc-i440fx-1.6,accel=tcg,usb=off -m 1024 -realtime mlock=off -smp
> >> 1,sockets=1,cores=1,threads=1 -uuid 11111111-2890-2015-1f87-cbfa725b1dd3
> >> -nographic -no-user-config -nodefaults -chardev
> >> socket,id=charmonitor,path=/var/lib/libvirt/qemu/mini.monitor,server,nowait
> >>
> >>
> - -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown
> >> -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device
> >> virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x2 2014-03-21
> >> 14:23:06.744+0000: shutting down
> >
> >
> >> type=VIRT_MACHINE_ID msg=audit(1395412399.728:281): pid=6856 uid=0
> >> auid=4294967295 ses=4294967295
> >> subj=system_u:system_r:virtd_t:s0-s0:c0.c1023 msg='virt=qemu vm="mini"
> >> uuid=11111111-2890-2015-1f87-cbfa725b1dd3
> >> vm-ctx=system_u:system_r:svirt_tcg_t:s0:c728,c986
> >> img-ctx=system_u:object_r:svirt_image_t:s0:c728,c986 model=selinux
> >> exe="/usr/sbin/libvirtd" hostname=? addr=? terminal=? res=success'
> >> type=VIRT_MACHINE_ID msg=audit(1395412399.728:282): pid=6856 uid=0
> >> auid=4294967295 ses=4294967295
> >> subj=system_u:system_r:virtd_t:s0-s0:c0.c1023 msg='virt=qemu vm="mini"
> >> uuid=11111111-2890-2015-1f87-cbfa725b1dd3 vm-ctx=107:107 img-ctx=107:107
> >> model=dac exe="/usr/sbin/libvirtd" hostname=? addr=? terminal=?
> >> res=success' type=USER_AVC msg=audit(1395412399.788:283): pid=1 uid=0
> >> auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0
> >> msg='avc: denied { start } for auid=-1 uid=-1 gid=-1
> >> scontext=system_u:system_r:init_t:s0
> >> tcontext=system_u:system_r:init_t:s0 tclass=service
> >> exe="/usr/lib/systemd/systemd" sauid=0 hostname=? addr=? terminal=?'
> >> type=VIRT_RESOURCE msg=audit(1395412400.015:284): pid=6856 uid=0
> >> auid=4294967295 ses=4294967295
> >> subj=system_u:system_r:virtd_t:s0-s0:c0.c1023 msg='virt=qemu resrc=mem
> >> reason=start vm="mini" uuid=11111111-2890-2015-1f87-cbfa725b1dd3
> >> old-mem=0 new-mem=1048576 exe="/usr/sbin/libvirtd" hostname=? addr=?
> >> terminal=? res=success' type=VIRT_RESOURCE msg=audit(1395412400.015:285):
> >> pid=6856 uid=0 auid=4294967295 ses=4294967295
> >> subj=system_u:system_r:virtd_t:s0-s0:c0.c1023 msg='virt=qemu resrc=vcpu
> >> reason=start vm="mini" uuid=11111111-2890-2015-1f87-cbfa725b1dd3
> >> old-vcpu=0 new-vcpu=1 exe="/usr/sbin/libvirtd" hostname=? addr=?
> >> terminal=? res=success' type=VIRT_CONTROL msg=audit(1395412400.015:286):
> >> pid=6856 uid=0 auid=4294967295 ses=4294967295
> >> subj=system_u:system_r:virtd_t:s0-s0:c0.c1023 msg='virt=qemu op=start
> >> reason=booted vm="mini" uuid=11111111-2890-2015-1f87-cbfa725b1dd3
> >> vm-pid=-1 exe="/usr/sbin/libvirtd" hostname=? addr=? terminal=?
> >> res=failed'
> >
> >> I'm not overly familiar with SELinux. Is this a configuration issue? Am
> >> I missing some policy packages or could this be an issue with the cloud
> >> image?
> >
> >> Works fine when I disable SELinux.
> >
> >> Google found this, but it's old and apparently resolved:
> >> https://bugzilla.redhat.com/show_bug.cgi?id=860235
> >
> >> Thanks ...Juerg
> >
> >
> >
> >> _______________________________________________ cloud mailing list
> >> cloud@xxxxxxxxxxxxxxxxxxxxxxx <mailto:cloud@xxxxxxxxxxxxxxxxxxxxxxx>
> >> https://admin.fedoraproject.org/mailman/listinfo/cloud Fedora Code of
> >> Conduct: http://fedoraproject.org/code-of-conduct
> >
> >
> > There is no SELinux data that you posted. I don't think your machine is
> > mislabeled. Doing the /.autorelabel dance is a waste of time.
> >
> > ausearch -m avc,user_avc -ts recent
> >
> > After you have the problem, to see if SELinux posted any error messages.
> >
> > If there are no messages then try to turn off dontaudit rules.
> >
> > semodule -DB Run your test ausearch -m avc,user_avc -ts recent
> >
> >>>
> >>> This is all I get:
> >>>
> >>> time->Mon Mar 24 10:21:18 2014 type=USER_AVC
> >>> msg=audit(1395656478.686:22577): pid=1 uid=0 auid=4294967295
> >> ses=4294967295 subj=system_u:system_r:init_t:s0 msg='avc: denied {
> >> start } for auid=-1 uid=-1 gid=-1 scontext=system_u:system_r:init_t:s0
> >> tcontext=system_u:system_r:init_t:s0 tclass=service
> >> exe="/usr/lib/systemd/systemd" sauid=0 hostname=? addr=? terminal=?'
> >
> >
> >> And all of 'ausearch -ts':
> >
> >> time->Mon Mar 24 10:26:21 2014 type=VIRT_MACHINE_ID
> >> msg=audit(1395656781.041:22605): pid=529 uid=0 auid=4294967295
> >> ses=4294967295 subj=system_u:system_r:virtd_t:s0-s0:c0.c1023
> >> msg='virt=qemu vm="mini" uuid=11111111-2890-2015-1f87-cbfa725b1dd3
> >> vm-ctx=system_u:system_r:svirt_tcg_t:s0:c135,c495
> >> img-ctx=system_u:object_r:svirt_image_t:s0:c135,c495 model=selinux
> >> exe="/usr/sbin/libvirtd" hostname=? addr=? terminal=? res=success' ----
> >> time->Mon Mar 24 10:26:21 2014 type=VIRT_MACHINE_ID
> >> msg=audit(1395656781.041:22606): pid=529 uid=0 auid=4294967295
> >> ses=4294967295 subj=system_u:system_r:virtd_t:s0-s0:c0.c1023
> >> msg='virt=qemu vm="mini" uuid=11111111-2890-2015-1f87-cbfa725b1dd3
> >> vm-ctx=107:107 img-ctx=107:107 model=dac exe="/usr/sbin/libvirtd"
> >> hostname=? addr=? terminal=? res=success' ---- time->Mon Mar 24 10:26:21
> >> 2014 type=USER_AVC msg=audit(1395656781.044:22607): pid=1 uid=0
> >> auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0
> >> msg='avc: denied { start } for auid=-1 uid=-1 gid=-1
> >> scontext=system_u:system_r:init_t:s0 tcontext=system_u:system_r:init_t:s0
> >> tclass=service exe="/usr/lib/systemd/systemd" sauid=0 hostname=? addr=?
> >> terminal=?' ---- time->Mon Mar 24 10:26:21 2014 type=VIRT_RESOURCE
> >> msg=audit(1395656781.285:22608): pid=529 uid=0 auid=4294967295
> >> ses=4294967295 subj=system_u:system_r:virtd_t:s0-s0:c0.c1023
> >> msg='virt=qemu resrc=mem reason=start vm="mini"
> >> uuid=11111111-2890-2015-1f87-cbfa725b1dd3 old-mem=0 new-mem=1048576
> >> exe="/usr/sbin/libvirtd" hostname=? addr=? terminal=? res=success' ----
> >> time->Mon Mar 24 10:26:21 2014 type=VIRT_RESOURCE
> >> msg=audit(1395656781.285:22609): pid=529 uid=0 auid=4294967295
> >> ses=4294967295 subj=system_u:system_r:virtd_t:s0-s0:c0.c1023
> >> msg='virt=qemu resrc=vcpu reason=start vm="mini"
> >> uuid=11111111-2890-2015-1f87-cbfa725b1dd3 old-vcpu=0 new-vcpu=1
> >> exe="/usr/sbin/libvirtd" hostname=? addr=? terminal=? res=success' ----
> >> time->Mon Mar 24 10:26:21 2014 type=VIRT_CONTROL
> >> msg=audit(1395656781.286:22610): pid=529 uid=0 auid=4294967295
> >> ses=4294967295 subj=system_u:system_r:virtd_t:s0-s0:c0.c1023
> >> msg='virt=qemu op=start reason=booted vm="mini"
> >> uuid=11111111-2890-2015-1f87-cbfa725b1dd3 vm-pid=-1
> >> exe="/usr/sbin/libvirtd" hostname=? addr=? terminal=? res=failed'
> >
> >
> >>>
> >>>
> >>>
> > And look for messages about virt.
> >
> > This will turn dontaudit rules back on. semodule -B
> >
> >
> >>> _______________________________________________ cloud mailing list
> >>> cloud@xxxxxxxxxxxxxxxxxxxxxxx <mailto:cloud@xxxxxxxxxxxxxxxxxxxxxxx>
> >>> https://admin.fedoraproject.org/mailman/listinfo/cloud Fedora Code of
> >>> Conduct: http://fedoraproject.org/code-of-conduct
> >>
> >
> >
> > _______________________________________________ cloud mailing list
> > cloud@xxxxxxxxxxxxxxxxxxxxxxx
> > https://admin.fedoraproject.org/mailman/listinfo/cloud Fedora Code of
> > Conduct: http://fedoraproject.org/code-of-conduct
> >
>
> That AVC does not seem to be related. What AVC's did you see when you disabled
> the dontaudit rules.
[root@fedora-20 ~]# semodule -DB ; date ; virsh create mini.xml ; ausearch -m avc,user_avc -ts recent | tail -n 9
Mon Mar 24 12:44:17 UTC 2014
error: Failed to create domain from mini.xml
error: Input/output error
----
time->Mon Mar 24 12:42:29 2014
type=USER_AVC msg=audit(1395664949.793:23448): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='avc: denied { start } for auid=-1 uid=-1 gid=-1 scontext=system_u:system_r:init_t:s0 tcontext=system_u:system_r:init_t:s0 tclass=service exe="/usr/lib/systemd/systemd" sauid=0 hostname=? addr=? terminal=?'
----
time->Mon Mar 24 12:44:17 2014
type=USER_AVC msg=audit(1395665057.999:23463): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='avc: received policyload notice (seqno=5) exe="/usr/lib/systemd/systemd" sauid=0 hostname=? addr=? terminal=?'
----
time->Mon Mar 24 12:44:18 2014
type=USER_AVC msg=audit(1395665058.000:23464): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='avc: denied { start } for auid=-1 uid=-1 gid=-1 scontext=system_u:system_r:init_t:s0 tcontext=system_u:system_r:init_t:s0 tclass=service exe="/usr/lib/systemd/systemd" sauid=0 hostname=? addr=? terminal=?'
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