> I'm building F18 images with livecd-creator on F18 and for the first
> build attempt after boot, I see many unexpected errors like this
> snippet shows:
>
> [snip]
> Installing: libsemanage ##################### [315/492]
> Installing: shadow-utils ##################### [316/492]
> groupadd: failure while writing changes to /etc/group
> groupadd: failure while writing changes to /etc/group
> Installing: libutempter ###
> [317/492]warning: group utempter does not exist - using root
> warning: group utmp does not exist - using root
> Installing: libutempter ##################### [317/492]
> [snip]
> Installing: parted ##################### [331/492]
> groupadd: failure while writing changes to /etc/group
> useradd: group 'dhcpd' does not exist
> Installing: dhcp ####################
> [332/492]warning: user dhcpd does not exist - using root
> warning: group dhcpd does not exist - using root
> warning: user dhcpd does not exist - using root
> warning: group dhcpd does not exist - using root
> warning: user dhcpd does not exist - using root
> warning: group dhcpd does not exist - using root
> Installing: dhcp ##################### [332/492]
> [snip]
> Installing: os-prober ##################### [335/492]
> groupadd: failure while writing changes to /etc/group
> Installing: openssh ##########
> [336/492]warning: group ssh_keys does not exist - using root
> [snip]
> Installing: samba-common ##################### [338/492]
> Failed to initialize SELinux context: No such file or directory
> Installing: iputils ##################### [339/492]
> [snip]
> Installing: mesa-dri-drivers ##################### [347/492]
> groupadd: failure while writing changes to /etc/group
> useradd: group 'polkitd' does not exist
> Installing: polkit
> [348/492]warning: user polkitd does not exist - using root
> [snip]
> Installing: alsa-utils ##################### [354/492]
> error: %pre(rpcbind-0.2.0-17.fc18.i686) scriptlet failed, exit status 6
> error: rpcbind-0.2.0-17.fc18.i686: install failed
> groupadd: failure while writing changes to /etc/group
> useradd: group 'chrony' does not exist
> Installing: chrony
> [356/492]warning: group chrony does not exist - using root
> Installing: chrony ####################
> [356/492]warning: user chrony does not exist - using root
> warning: group chrony does not exist - using root
> warning: user chrony does not exist - using root
> warning: group chrony does not exist - using root
> Installing: chrony ##################### [356/492]
> [snip]
>
> If I let it run through to completion and rerun the exact same
> command again, everything works normally. I used to see this
> behavior for every build attempt prior to sssd coming along when I
> was still using nscd, if nscd was running. Back then I'd have to
> stop nscd for the duration of the build. I never had such a problem
> with sssd, but this looks eerily familiar now with F18 (where I'm
> still using sssd instead of nscd).
>
> Has anyone else seen something similar, or is this a known bug? I
> have not had a chance to dig into this yet, but I've been seeing
> this with F18 since before Alpha was out.
>
> PS. FWIW, this F18 box started life as F17 and was been yum distro-
> sync'd and kept updated.
I believe I've already found the problem. On the host running livecd-creator, I'm seeing AVCs like:
type=AVC msg=audit(1349382348.700:114): avc: denied { read } for pid=2748 comm="groupadd" name="run" dev="loop0" ino=16053 scontext=unconfined_u:system_r:groupadd_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:var_t:s0 tclass=lnk_file
type=AVC msg=audit(1349382348.700:115): avc: denied { read } for pid=2748 comm="groupadd" name="run" dev="loop0" ino=16053 scontext=unconfined_u:system_r:groupadd_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:var_t:s0 tclass=lnk_file
type=ADD_GROUP msg=audit(1349382351.086:116): pid=2748 uid=0 auid=10325 ses=2 subj=unconfined_u:system_r:groupadd_t:s0-s0:c0.c1023 msg='op=adding group to /etc/gshadow acct="utmp" exe="/usr/sbin/groupadd" hostname=? addr=? terminal=pts/0 res=failed'
type=ADD_GROUP msg=audit(1349382351.087:117): pid=2748 uid=0 auid=10325 ses=2 subj=unconfined_u:system_r:groupadd_t:s0-s0:c0.c1023 msg='op=adding group to /etc/group acct="utmp" exe="/usr/sbin/groupadd" hostname=? addr=? terminal=pts/0 res=failed'
type=ADD_GROUP msg=audit(1349382351.087:118): pid=2748 uid=0 auid=10325 ses=2 subj=unconfined_u:system_r:groupadd_t:s0-s0:c0.c1023 msg='op= acct="utmp" exe="/usr/sbin/groupadd" hostname=? addr=? terminal=pts/0 res=failed'
Why it only affects the first run of livecd-creator, I do not understand. It looks like I'm being bitten by https://bugzilla.redhat.com/show_bug.cgi?id=858373.
--
John Florian
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