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Re: Problem on Centos 7 - segfault in libc

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Re: Problem on Centos 7 - segfault in libc



Hi.

I reslove the problem. It's not a problem with nss-pam-ldapd or libc. I have PAM module from RSA (which I forget). It's working good, but not with pam_ldap. When I configure module rsa or pam_ldap is't ok, but not when both is active. Valgrind helps to resolve this.

To do working both modules, I've configure RSA module, to return PAM_INGORE if the username is not at supported for RSA auth.

Sorry for too fast issue report.

Best regards

Łukasz Górowski
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W dniu 12.09.2014 18:03, Jakub Hrozek pisze:
On 05 Sep 2014, at 10:26, Łukasz Górowski <lukasz.gorowski@coig.pl> wrote:

Hi.

I have problem with configure nss-pam-ldapd on Centos 7 x64. The same 
configuration working on Centos 5/6.Getent passwd and group works great but 
when I try log in to the machine I get error in dmesg (the same error is when I 
log from locall console or ssh):

ssh:
[ 2167.250732] sshd[4225]: segfault at 0 ip 00007ffff52b4df6 sp 
00007fffffffd518 error 4 in libc-2.17.so[7ffff5183000+1b6000]

local console:
[57513.597122] login[25144]: segfault at 0 ip 00007f9eda447e57 sp 
00007fff09d97c18 error 4 in libc-2.17.so[7f9eda316000+1b6000]

I don't know what to do now, because i have project to migrate from old Centos 
5. I was trying version 0.9.4, 0.814, 0.7.15 with no effect. My programming 
skills isn't good enough to fix/debug this problem.

I think you should install and enable abrt to ease the process of generating 
core files and back traces. I’m sure there’s plenty of howtos online :-)

I think the problem can be in libc because I have the same error when I try 
configure sssd
Not saying you’re wrong, but I suspect there’s something wrong about the way 
either of the projects use some libc interface.

(but I wolud like to use nss-pam-ldapd instead sssd).

May I know why? Feel free to respond to this part of the question privately, 
this is nss-pam-ldapd list after all.

Best regards.

--
Łukasz Górowski


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