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ls -lZ /usr/bin/login*<br>
<br>
By any chance is the /usr directory mounted NOSUID?<br>
<br>
<div class="moz-cite-prefix">On 08/18/2015 07:58 AM, Srinivasa Rao
Ragolu wrote:<br>
</div>
<blockquote
cite="mid:CAH4+OFqodP9WEuRgOFGe-R=dE3f8asFCWY3=C8tCtcRgTaqJ0A@mail.gmail.com"
type="cite">
<div dir="ltr">Hi,
<div><br>
</div>
<div>I am building for embedded platform. Could not able to get
exact version. But can provide info about recipe in yocto.</div>
<div><br>
</div>
<div><a moz-do-not-send="true"
href="http://git.yoctoproject.org/cgit/cgit.cgi/meta-selinux/tree/recipes-security/refpolicy/">http://git.yoctoproject.org/cgit/cgit.cgi/meta-selinux/tree/recipes-security/refpolicy/</a><br>
</div>
<div><a moz-do-not-send="true"
href="http://git.yoctoproject.org/cgit/cgit.cgi/meta-selinux/tree/recipes-security/refpolicy/refpolicy-targeted_git.bb">http://git.yoctoproject.org/cgit/cgit.cgi/meta-selinux/tree/recipes-security/refpolicy/refpolicy-targeted_git.bb</a><br>
</div>
<div><br>
</div>
<div>Any pointers please?</div>
<div><br>
</div>
<div>Thanks,</div>
<div>Srinivas.</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Tue, Aug 18, 2015 at 8:17 PM,
Miroslav Grepl <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:mgrepl@redhat.com" target="_blank">mgrepl@redhat.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex"><span
class="">On 08/18/2015 04:37 PM, Srinivasa Rao Ragolu
wrote:<br>
> Hi Daniel,<br>
><br>
</span><span class="">> I have checked the file_contexts
file<br>
><br>
</span>> * #grep :login_exec_t
contexts/files/file_contexts*<br>
> /bin/login--system_u:object_r:login_exec_t:s0<br>
> /bin/login\.shadow--system_u:object_r:login_exec_t:s0<br>
>
/bin/login\.tinylogin--system_u:object_r:login_exec_t:s0<br>
>
/usr/kerberos/sbin/login\.krb5--system_u:object_r:login_exec_t:s0<br>
<span class="">><br>
> Now If I run with permissive mode. I Could see below
login programs are<br>
> running<br>
> (Here I gave unconfined_r as role and s0 as range)<br>
><br>
</span>> * 1109 root 3540 S /bin/login --*<br>
> * 1111 root 0 SW [kauditd]*<br>
> * 1113 root 3020 S -sh*<br>
> *<br>
> *<br>
<span class="">> But when I run with enforcing mode I get
same error<br>
><br>
</span>> /*arm-cortex-a15 login: root*/<br>
> /*Last login: Tue Aug 18 11:36:58 UTC 2015 on console*/<br>
> /*Would you like to enter a security context? [N] Y*/<br>
> /*role: unconfined_r*/<br>
> /*level: s0*/<br>
> /*[ 1252.885468] type=1400 audit(1439898856.140:13):
avc: denied {<br>
<span class="">> transition } for pid=1120 comm="login"
path="/bin/bash" dev="mmcblk0"<br>
> ino=58115 scontext=system_u:system_r:init_t:s0<br>
</span>>
tcontext=unconfined_u:unconfined_r:unconfined_t:s0
tclass=process*/<br>
> /*[ 1252.887219] type=1400 audit(1439898856.140:14):
avc: denied {<br>
<span class="">> transition } for pid=1120 comm="login"
path="/bin/bash" dev="mmcblk0"<br>
> ino=58115 scontext=system_u:system_r:init_t:s0<br>
</span>>
tcontext=unconfined_u:unconfined_r:unconfined_t:s0
tclass=process*/<br>
> /*Cannot execute /bin/sh: Permission denied*/<br>
> /*<br>
> */<br>
> /*MontaVista Carrier Grade Linux 7.0.0 arm-cortex-a15
/dev/console*/<br>
> /*<br>
> */<br>
> /*arm-cortex-a15 login:*/<br>
> /*<br>
> */<br>
> /*<br>
> */<br>
> /Please guide me what is going wrong and how to resolve
this issue./<br>
> /<br>
> /<br>
> /Thanks,/<br>
> /Srinivas./<br>
<span class="">><br>
> On Tue, Aug 18, 2015 at 6:52 PM, Daniel J Walsh <<a
moz-do-not-send="true" href="mailto:dwalsh@redhat.com"><a class="moz-txt-link-abbreviated" href="mailto:dwalsh@redhat.com">dwalsh@redhat.com</a></a><br>
</span><span class="">> <mailto:<a
moz-do-not-send="true" href="mailto:dwalsh@redhat.com"><a class="moz-txt-link-abbreviated" href="mailto:dwalsh@redhat.com">dwalsh@redhat.com</a></a>>>
wrote:<br>
><br>
> What is the path to the login program? What is
it labeled? The<br>
> problem is login is running with the wrong
context.<br>
><br>
> It should be labeled login_exec_t<br>
><br>
> grep :login_exec_t
/etc/selinux/targeted/contexts/files/file_contexts<br>
> /bin/login --
system_u:object_r:login_exec_t:s0<br>
> /usr/bin/login --
system_u:object_r:login_exec_t:s0<br>
> /usr/kerberos/sbin/login\.krb5 --<br>
> system_u:object_r:login_exec_t:s0<br>
><br>
><br>
> init_t is supposed to transition to local_login_t
when executing the<br>
> login program.<br>
><br>
><br>
> On 08/18/2015 06:17 AM, Srinivasa Rao Ragolu
wrote:<br>
>> Hi Daniel,<br>
>><br>
>> Thanks for quick reply. Please find first
time boot log with<br>
>> lableling and reboot.<br>
>><br>
>> Also find second time boot log when I created
/.autorelablel.<br>
>><br>
>> Somehow I could not able to login as root.<br>
>><br>
>> Your help is really appriciated.<br>
>><br>
>> Thanks,<br>
>> Srinivas.<br>
>><br>
>> On Tue, Aug 18, 2015 at 6:16 PM, Daniel J
Walsh <<a moz-do-not-send="true"
href="mailto:dwalsh@redhat.com">dwalsh@redhat.com</a><br>
</span><span class="">>> <mailto:<a
moz-do-not-send="true" href="mailto:dwalsh@redhat.com"><a class="moz-txt-link-abbreviated" href="mailto:dwalsh@redhat.com">dwalsh@redhat.com</a></a>>>
wrote:<br>
>><br>
>> Looks like you have a labeling issue.<br>
>><br>
>> touch /.autorelabel; reboot<br>
>><br>
>> Should fix the issues.<br>
>><br>
>><br>
>><br>
>> On 08/18/2015 04:53 AM, Srinivasa Rao
Ragolu wrote:<br>
>>> Hi All,<br>
>>><br>
>>> I have very new to selinux. Today I
have ported selinux to my<br>
>>> embedded platform with targeted
policy+enforcing.<br>
>>><br>
>>> When I try to boot, it completes
labeling filesystem. But I<br>
>>> could not able to login using root..
See my error log...<br>
>>><br>
</span>>>> /*arm-cortex-a15 login: root*/<br>
>>> /*Last login: Tue Aug 18 11:36:58 UTC
2015 on console*/<br>
>>> /*Would you like to enter a security
context? [N] Y*/<br>
>>> /*role: unconfined_r*/<br>
>>> /*level: s0*/<br>
>>> /*[ 1252.885468] type=1400
audit(1439898856.140:13): avc:<br>
<span class="">>>> denied { transition }
for pid=1120 comm="login"<br>
>>> path="/bin/bash" dev="mmcblk0"
ino=58115<br>
>>> scontext=system_u:system_r:init_t:s0<br>
>>>
tcontext=unconfined_u:unconfined_r:unconfined_t:s0<br>
</span>>>> tclass=process*/<br>
>>> /*[ 1252.887219] type=1400
audit(1439898856.140:14): avc:<br>
<span class="">>>> denied { transition }
for pid=1120 comm="login"<br>
>>> path="/bin/bash" dev="mmcblk0"
ino=58115<br>
>>> scontext=system_u:system_r:init_t:s0<br>
>>>
tcontext=unconfined_u:unconfined_r:unconfined_t:s0<br>
</span>>>> tclass=process*/<br>
>>> /*Cannot execute /bin/sh: Permission
denied*/<br>
>>> /*<br>
>>> */<br>
>>> /*MontaVista Carrier Grade Linux 7.0.0
arm-cortex-a15<br>
>>> /dev/console*/<br>
>>> /*<br>
>>> */<br>
>>> /*arm-cortex-a15 login:*/<br>
>>> /*<br>
>>> */<br>
<span class="">>>> Please help me.. How can
I solve this issue and achieve<br>
>>> normal boot.<br>
>>><br>
>>><br>
>>> Thanks,<br>
>>> Srinivas.<br>
>>><br>
>>><br>
>>> --<br>
>>> selinux mailing list<br>
>>> <a moz-do-not-send="true"
href="mailto:selinux@lists.fedoraproject.org">selinux@lists.fedoraproject.org</a><br>
</span>>>> <mailto:<a
moz-do-not-send="true"
href="mailto:selinux@lists.fedoraproject.org"><a class="moz-txt-link-abbreviated" href="mailto:selinux@lists.fedoraproject.org">selinux@lists.fedoraproject.org</a></a>><br>
<span class="">>>> <a
moz-do-not-send="true"
href="https://admin.fedoraproject.org/mailman/listinfo/selinux"
rel="noreferrer" target="_blank"><a class="moz-txt-link-freetext" href="https://admin.fedoraproject.org/mailman/listinfo/selinux">https://admin.fedoraproject.org/mailman/listinfo/selinux</a></a><br>
>><br>
>><br>
>><br>
>><br>
>> --<br>
>> selinux mailing list<br>
>> <a moz-do-not-send="true"
href="mailto:selinux@lists.fedoraproject.org">selinux@lists.fedoraproject.org</a><br>
</span>>> <mailto:<a moz-do-not-send="true"
href="mailto:selinux@lists.fedoraproject.org">selinux@lists.fedoraproject.org</a>><br>
<span class="">>> <a moz-do-not-send="true"
href="https://admin.fedoraproject.org/mailman/listinfo/selinux"
rel="noreferrer" target="_blank">https://admin.fedoraproject.org/mailman/listinfo/selinux</a><br>
><br>
><br>
><br>
><br>
> --<br>
> selinux mailing list<br>
> <a moz-do-not-send="true"
href="mailto:selinux@lists.fedoraproject.org">selinux@lists.fedoraproject.org</a><br>
> <a moz-do-not-send="true"
href="https://admin.fedoraproject.org/mailman/listinfo/selinux"
rel="noreferrer" target="_blank">https://admin.fedoraproject.org/mailman/listinfo/selinux</a><br>
><br>
<br>
</span>What does<br>
<br>
$ rpm -q selinux-policy-targeted<br>
<br>
?<br>
<br>
Also could you try to reinstall the selinux-policy-targeted
to see if it<br>
blows up?<br>
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Miroslav Grepl<br>
Senior Software Engineer, SELinux Solutions<br>
Red Hat, Inc.<br>
</font></span></blockquote>
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