Re: [squid-users] upgrading from 3.3.8 to 3.4.5 crashes negotiate_kerberos_auth

On 19/06/2014 6:40 p.m., George Billios wrote:
> Hi,
>
> I'm trying to upgrade from 3.3.8 to 3.4.5 (3.4.x in general), compile squid with the same options (that are still valid in 3.4.x) and use negotiate authentication, but every time negotiate_kerberos_auth crashes with the following:
>
>
> 2014/06/18 23:06:20| negotiate_wrapper: Error reading Kerberos helper response
> 2014/06/18 23:06:20 kid1| WARNING: negotiateauthenticator #Hlpr0 exited
> 2014/06/18 23:06:21| negotiate_kerberos_auth: ERROR: krb5_pac_get_buffer: Invalid argument
> *** glibc detected *** /usr/libexec/negotiate_kerberos_auth: double free or corruption (fasttop): 0x000000000159af00 ***
> ======= Backtrace: =========
> /lib/libc.so.6(+0x71e16)[0x7f6bf3b3ae16]
> /lib/libc.so.6(cfree+0x6c)[0x7f6bf3b3fb8c]
> /usr/lib/libkrb5.so.3(krb5_free_data+0x12)[0x7f6bf54a3472]
> /usr/libexec/negotiate_kerberos_auth[0x4044e9]
> /usr/libexec/negotiate_kerberos_auth[0x40319c]
> /lib/libc.so.6(__libc_start_main+0xfd)[0x7f6bf3ae7c8d]
> /usr/libexec/negotiate_kerberos_auth[0x4018b9]

Do you have a trace that shows what the helper was doing?

From that trace it looks like simply calling the main() function and
linking to the library crashed it. None of that is Squid code, all OS
code, so ... ?!

Amos
Received on Thu Jun 19 2014 - 11:22:10 MDT