From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-um-bounces+geert=linux-m68k.org@lists.infradead.org>
Received: from mail-pg1-x52d.google.com ([2607:f8b0:4864:20::52d])
 by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux))
 id 1lIItK-00GoMc-Dm
 for linux-um@lists.infradead.org; Fri, 05 Mar 2021 22:25:53 +0000
Received: by mail-pg1-x52d.google.com with SMTP id o38so2296054pgm.9
 for <linux-um@lists.infradead.org>; Fri, 05 Mar 2021 14:25:49 -0800 (PST)
Date: Sat, 06 Mar 2021 07:25:43 +0900
Message-ID: <m2tupp44rc.wl-thehajime@gmail.com>
From: Hajime Tazaki<thehajime@gmail.com>
Subject: Re: linux uml segfault
In-Reply-To: <5fee882c709f6c9d061b58a0e7b3110b3afbb96e.camel@sipsolutions.net>
References: <3448a70e7a39b9c3202aeefa7858ace265b8a978.camel@debian.org>
 <6d37b5aa-36f2-1fce-b70b-8faa0ff882e0@kot-begemot.co.uk>
 <c8bb257c-1542-12f5-89f1-5c1f14b8a70a@collabora.com>
 <db40449e-6916-56bf-377c-01b042b9c890@kot-begemot.co.uk>
 <529cd4e2f39efffb18125dffab3058aeec3351ce.camel@debian.org>
 <573e256a-990b-ddf6-7965-367bb8b21229@kot-begemot.co.uk>
 <1bdedf3c60058e1ae242a2a7f16eee256b0be3e0.camel@debian.org>
 <6370b92a-84fa-aa21-4270-fcaf1bf42407@kot-begemot.co.uk>
 <02e348bbb13f0fac92f2147309fb1c006b4583b2.camel@debian.org>
 <5ee28b97-6111-e12c-d0e9-83a13f2151ce@kot-begemot.co.uk>
 <5e068447e2067fff8b21c0689f14d080b984f6e0.camel@debian.org>
 <01a1b3551284a39a3c06ab2ec0222cbf6099a537.camel@sipsolutions.net>
 <m21rcv5vi5.wl-thehajime@gmail.com>
 <5fee882c709f6c9d061b58a0e7b3110b3afbb96e.camel@sipsolutions.net>
MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue")
List-Id: <linux-um.lists.infradead.org>
List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-um>,
 <mailto:linux-um-request@lists.infradead.org?subject=unsubscribe>
List-Archive: <http://lists.infradead.org/pipermail/linux-um/>
List-Post: <mailto:linux-um@lists.infradead.org>
List-Help: <mailto:linux-um-request@lists.infradead.org?subject=help>
List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-um>,
 <mailto:linux-um-request@lists.infradead.org?subject=subscribe>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: "linux-um" <linux-um-bounces@lists.infradead.org>
Errors-To: linux-um-bounces+geert=linux-m68k.org@lists.infradead.org
To: johannes@sipsolutions.net
Cc: rrs@debian.org, anton.ivanov@kot-begemot.co.uk, chris.obbard@collabora.com, linux-um@lists.infradead.org, 983379@bugs.debian.org


might be late, but I'll give it a try with your dlopen reproducer.

-- Hajime

On Sat, 06 Mar 2021 05:22:19 +0900,
Johannes Berg wrote:
> 
> On Thu, 2021-03-04 at 14:38 +0900, Hajime Tazaki wrote:
> > 
> > objcopy (from binutils) can localize symbols (i.e., objcopy -L
> > sem_init $orig_file $new_file).
> 
> This doesn't seem to be sufficient.
> 
> > It also does renaming symbols.  But
> > not sure this is the ideal solution.
> 
> Even that doesn't seem to actually work/help? I still get libcom_err
> trying to call UML's sem_init, even after doing
>  objcopy --redefine-sym sem_init=uml_sem_init

_______________________________________________
linux-um mailing list
linux-um@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-um