On Thu, 19 Jun 2014 23:21:45 +1200, Amos Jeffries <[email protected]> wrote:
> 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 I don't have a trace but I can probably enable all the debug options and get one. Even if this an OS issue what can trigger it since the helper from 3.3.8 works but the one from 3.4.x doesn't with the same libraries, same compile options etc ? That is why I'm asking if something fundamental changed - which from a quick look at the helper code I can say something has but I don't have the programming skills to understand what exactly and how it could create this issue. In any case I'll come back with more debug info.
