linux-kernel - Re: [PATCH 2/2] x86,vdso: Fix vdso

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 11 Jun 2014 10:27:44 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Josh Boyer <jwboyer@...oraproject.org>,
	Andy Lutomirski <luto@...capital.net>
CC:	Michal Marek <mmarek@...e.cz>, linux-kbuild@...r.kernel.org,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] x86,vdso: Fix vdso_install

On 06/11/2014 10:23 AM, Josh Boyer wrote:
> 
> So this does fix the invocation of 'make vdso_install' and the
> resulting files look to be accurate to me, with the glaring exception
> that now we get e.g. vdso64.so on x86_64 as the installed file instead
> of vdso.so.  How much that actually matters, I have no idea.
> Plausibly fixed with a symlink if we really need to perhaps.
> 

You have that problem anyway, no?  After all, there are three different
vdso images for 32 bits, and you can run 32-bit apps on 64-bit systems, too.

Is there realistically any way for the debugger to pick up the correct one?

	-hpa


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/