From: Antti Tapaninen <aetlekoja.hut.fi>
To: sclinuxlinuxnet.com
Subject: Re: MUSCLE PAM module (a bug?)

On Thu, 21 Mar 2002, Jesús Paúl wrote:

> I have just written a PAM module (with PC/SC lite support) and a PAM
> application, both very simple. And I have found that I SHOULD compile
> the PAM application with the -lpthread and -lpcsclite flags, even if the
> program has no line related with PC/SC lite.
>
> If I don't use (or forget to use) those flags, that is what happens:
> just after exit() from the program, it receives a SIGSEGV signal so it
> finishes abnormally its execution. This does not happen if pam_end() is
> not called. If this a bug or a feature? :)

Hi,

I'd guess it's a bug in glibc/pthread code. What glibc version
are you using? I found exactly the same problem about 6 months
ago and also noticed that -lpthread linking resolves the problem.

HUT/CC is currently using an old version of debian (stable with
glibc 2.1.3) and the problem doesn't appear with any recent
versions of glibc (=2.2.5).

HTH,

-Antti

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