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Re: segv in _dl_close
- To: "Alexander V. Lukyanov" <lav@alpha.netis.ru>
- Subject: Re: segv in _dl_close
- From: Ulrich Drepper <drepper@cygnus.com>
- Date: 16 Jan 1999 16:42:03 -0800
- Cc: libc-alpha@cygnus.com
- References: <199901151748.UAA20824@alpha.netis.ru>
- Reply-To: drepper@cygnus.com (Ulrich Drepper)
"Alexander V. Lukyanov" <lav@alpha.netis.ru> writes:
> >Description:
> apache-1.3.3-2 with mod_php3-3.0.5-2 (from Red Hat's Raw Hide)
I'm not sure whether this fixes your problem but I've found a problem
in _dl_close. Please give the appended patch a try and let me know
about the result.
--
---------------. drepper at gnu.org ,-. 1325 Chesapeake Terrace
Ulrich Drepper \ ,-------------------' \ Sunnyvale, CA 94089 USA
Cygnus Solutions `--' drepper at cygnus.com `------------------------
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Index: dl-close.c
===================================================================
RCS file: /glibc/cvsfiles/libc/elf/dl-close.c,v
retrieving revision 1.28
retrieving revision 1.29
diff -u -r1.28 -r1.29
--- dl-close.c 1998/10/07 13:38:18 1.28
+++ dl-close.c 1999/01/16 16:40:08 1.29
@@ -1,5 +1,5 @@
/* Close a shared object opened by `_dl_open'.
- Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -108,12 +108,11 @@
do
--cnt;
while (_dl_main_searchlist->r_list[cnt] != imap);
- while (cnt < _dl_main_searchlist->r_nlist)
- {
- _dl_main_searchlist->r_list[0]
- = _dl_main_searchlist->r_list[1];
- ++cnt;
- }
+
+ while (++cnt < _dl_main_searchlist->r_nlist)
+ _dl_main_searchlist->r_list[cnt - 1]
+ = _dl_main_searchlist->r_list[cnt];
+
--_dl_main_searchlist->r_nlist;
if (_dl_main_searchlist->r_nlist
== _dl_initial_searchlist.r_nlist)