Re: Please help me in resolving this issue

[Daniel J Walsh <dwalsh@xxxxxxxxxx>]

What is the path to the login program?  What is it labeled?  The problem is login is running with the wrong context.

It should be labeled login_exec_t

grep :login_exec_t /etc/selinux/targeted/contexts/files/file_contexts
/bin/login    --    system_u:object_r:login_exec_t:s0
/usr/bin/login    --    system_u:object_r:login_exec_t:s0
/usr/kerberos/sbin/login\.krb5    --    system_u:object_r:login_exec_t:s0


init_t is supposed to transition to local_login_t when executing the login program.

On 08/18/2015 06:17 AM, Srinivasa Rao Ragolu wrote:

Hi Daniel,

Thanks for quick reply. Please find first time boot log with lableling and reboot.

Also find second time boot log when I created /.autorelablel.

Somehow I could not able to login as root. 

Your help is really appriciated.

Thanks,

Srinivas.

On Tue, Aug 18, 2015 at 6:16 PM, Daniel J Walsh <dwalsh@xxxxxxxxxx> wrote:

Looks like you have a labeling issue.

touch /.autorelabel; reboot

Should fix the issues.

On 08/18/2015 04:53 AM, Srinivasa Rao Ragolu wrote:

Hi All,

I have very new to selinux. Today I have ported selinux to my embedded platform with targeted policy+enforcing.

When I try to boot, it completes labeling filesystem. But I could not able to login using root.. See my error log...

arm-cortex-a15 login: root

Last login: Tue Aug 18 11:36:58 UTC 2015 on console

Would you like to enter a security context? [N]  Y

role: unconfined_r

level: s0

[ 1252.885468] type=1400 audit(1439898856.140:13): avc:  denied  { transition } for  pid=1120 comm="login" path="/bin/bash" dev="mmcblk0" ino=58115 scontext=system_u:system_r:init_t:s0 tcontext=unconfined_u:unconfined_r:unconfined_t:s0 tclass=process

[ 1252.887219] type=1400 audit(1439898856.140:14): avc:  denied  { transition } for  pid=1120 comm="login" path="/bin/bash" dev="mmcblk0" ino=58115 scontext=system_u:system_r:init_t:s0 tcontext=unconfined_u:unconfined_r:unconfined_t:s0 tclass=process

Cannot execute /bin/sh: Permission denied

MontaVista Carrier Grade Linux 7.0.0 arm-cortex-a15 /dev/console

arm-cortex-a15 login:

Please help me.. How can I solve this issue and achieve normal boot.

Thanks,

Srinivas.

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