From: Andi Kleen <ak@muc.de>
To: Roland McGrath <roland@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] bogus sigaltstack calls by rt_sigreturn
Date: Sun, 23 May 2004 14:29:24 +0200 [thread overview]
Message-ID: <m38yfjtjh7.fsf@averell.firstfloor.org> (raw)
In-Reply-To: <1YQB7-2XK-7@gated-at.bofh.it> (Roland McGrath's message of "Sun, 23 May 2004 04:10:06 +0200")
Roland McGrath <roland@redhat.com> writes:
> There is a longstanding bug in the rt_sigreturn system call.
> This exists in both 2.4 and 2.6, and for almost every platform.
I don't think the patch is really needed on x86-64 because the
kernel address should always return -EFAULT in access_ok().
Too bad, there are definitely some mysterious 32bit signal
failures left, e.g. newer valgrind still doesn't work reliable.
-Andi
next parent reply other threads:[~2004-05-23 12:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1YQB7-2XK-7@gated-at.bofh.it>
2004-05-23 12:29 ` Andi Kleen [this message]
2004-05-24 18:10 ` [PATCH] bogus sigaltstack calls by rt_sigreturn Roland McGrath
2004-05-23 2:01 Roland McGrath
2004-05-23 9:00 ` Andreas Schwab
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