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Re: [PATCH] Fix dl_close l_reldeps handling

To: Jakub Jelinek <jakub at redhat dot com>
Subject: Re: [PATCH] Fix dl_close l_reldeps handling
From: Ulrich Drepper <drepper at redhat dot com>
Date: 22 May 2001 16:53:48 -0700
Cc: Glibc hackers <libc-hacker at sources dot redhat dot com>
References: <20010522123941.C516@sunsite.ms.mff.cuni.cz>
Reply-To: drepper at cygnus dot com (Ulrich Drepper)

Jakub Jelinek <jakub@redhat.com> writes:

> The attached testcase segfaults with current glibc. I guess it is quite
> obvious, the issue is that _dl_close uses `map' instead of `imap' pointer,
> which
> a) after map is freed points to freed memory
> b) even if that does work, we may add the same reldeps list several
>    times and some not at all, which means that some libraries may be
>    _dl_closed several times and if they get to zero l_opencount before
>    last _dl_close we have a problem again.

I've applied the patch.  Thanks,

-- 
---------------.                          ,-.   1325 Chesapeake Terrace
Ulrich Drepper  \    ,-------------------'   \  Sunnyvale, CA 94089 USA
Red Hat          `--' drepper at redhat.com   `------------------------

References:
- [PATCH] Fix dl_close l_reldeps handling
  - From: Jakub Jelinek

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