From: Bastian Blank <waldi@debian.org>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com,
544145@bugs.debian.org, Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: 32bit binaries on x86_64/Xen segfaults in syscall-vdso
Date: Fri, 4 Sep 2009 18:20:04 +0200 [thread overview]
Message-ID: <20090904162003.GA6147@wavehammer.waldi.eu.org> (raw)
In-Reply-To: <4AA13B4B.7020101@goop.org>
On Fri, Sep 04, 2009 at 09:07:39AM -0700, Jeremy Fitzhardinge wrote:
> But for some reason that's triggering a failsafe callback, which invokes
> a GP.
Hmm, not in my tests. It always returned to userspace correctly and died
some operations later, usually the "ret". This then produced either a
segfault (unreadable address), sigill (if it managed to reach the ELF
header of the ld.so) or a GPF.
Bastian
--
You! What PLANET is this!
-- McCoy, "The City on the Edge of Forever", stardate 3134.0
next prev parent reply other threads:[~2009-09-04 16:20 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-30 18:16 32bit binaries on x86_64/Xen segfaults in syscall-vdso Bastian Blank
2009-09-03 20:51 ` Jeremy Fitzhardinge
2009-09-03 22:02 ` Bastian Blank
2009-09-03 22:06 ` Jeremy Fitzhardinge
2009-09-03 22:36 ` Bastian Blank
2009-09-04 16:07 ` Jeremy Fitzhardinge
2009-09-04 16:20 ` Bastian Blank [this message]
2009-09-04 16:56 ` Jeremy Fitzhardinge
2009-09-04 17:46 ` Bastian Blank
2009-09-04 18:19 ` Bastian Blank
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