Date: Fri, 05 Apr 2002 19:22:52 +0100 From: Brian Somers <brian@freebsd-services.com> To: sjh@ucf.ics.uci.edu Cc: freebsd-current@FreeBSD.ORG Subject: Re: segfault in getpwuid()? Message-ID: <200204051822.g35IMqq7050204@hak.lan.Awfulhak.org> In-Reply-To: Message from Seth Hettich <sjh@whiskey.ucf.ics.uci.edu> of "Wed, 13 Mar 2002 13:36:17 PST." <200203132136.g2DLaH116628@whiskey.ucf.ics.uci.edu>
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Yes, I think I can !
I'll bet the binary in question is using libc.so.4 *AND* libc.so.5
because of a third library that has a libc.so.4 dependency.
This confused me for quite some time with apache.
for f in /usr/local/lib/*.so
do
objdump -x $f 2>/dev/null | grep -q NEEDED.*libc.so.4 && echo $f
done
> Can anyone explain this to me?
>
> #0 0x286613cc in _ftello () from /usr/lib/libc.so.5
> #1 0x28661358 in ftello () from /usr/lib/libc.so.5
> #2 0x286612f6 in ftell () from /usr/lib/libc.so.5
> #3 0x28678ef7 in .cerror () from /usr/lib/libc.so.5
> #4 0x28676c9e in isatty () from /usr/lib/libc.so.5
> #5 0x2865f621 in _nsyy_init_buffer () from /usr/lib/libc.so.5
> #6 0x2865f577 in _nsyy_create_buffer () from /usr/lib/libc.so.5
> #7 0x2865e9c3 in _nsyylex () from /usr/lib/libc.so.5
> #8 0x28657680 in _nsyyparse () from /usr/lib/libc.so.5
> #9 0x2865905d in _nsdbtget () from /usr/lib/libc.so.5
> #10 0x286591dc in nsdispatch () from /usr/lib/libc.so.5
> #11 0x2863085a in getpwuid () from /usr/lib/libc.so.5
> #12 0x2814db0e in g_get_any_init () at gutils.c:539
> #13 0x2814ddb9 in g_get_home_dir () at gutils.c:623
> #14 0x2859bd97 in gnomelib_init () from /usr/X11R6/lib/libgnome.so.5
> #15 0x282123bf in gnome_init_with_popt_table ()
> from /usr/X11R6/lib/libgnomeui.so.5
> #16 0x282124ae in gnome_init () from /usr/X11R6/lib/libgnomeui.so.5
> #17 0x281765b5 in gnome_CORBA_init () from /usr/X11R6/lib/libgnorba.so.5
> #18 0x805dddb in main ()
> #19 0x8058ee5 in _start ()
>
> A listing at #12:
>
> 534 # endif /* !HAVE_GETPWUID_R */
> 535
> 536 if (!pw)
> 537 {
> 538 setpwent ();
> 539 pw = getpwuid (getuid ());
> 540 endpwent ();
> 541 }
> 542 if (pw)
> 543 {
>
> (that's from glib12)
>
> This makes panel,gnome-session, etc all crash on start.
>
>
> -current as of this morning.
>
>
> -Seth
--
Brian <brian@freebsd-services.com> <brian@Awfulhak.org>
http://www.freebsd-services.com/ <brian@[uk.]FreeBSD.org>
Don't _EVER_ lose your sense of humour ! <brian@[uk.]OpenBSD.org>
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