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From: "Ulrich Drepper" <drepper@gmail.com>
To: "Jakub Jelinek" <jakub@redhat.com>
Cc: "GOTO Masanori" <gotom@sanori.org>,
	akpm@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Fix sigaltstack corruption among cloned threads
Date: Mon, 13 Mar 2006 08:29:15 -0800	[thread overview]
Message-ID: <a36005b50603130829h2e6c05f8je8c27155bdff0330@mail.gmail.com> (raw)
In-Reply-To: <20060313153022.GP20301@devserv.devel.redhat.com>

On 3/13/06, Jakub Jelinek <jakub@redhat.com> wrote:
> Because vfork also sets CLONE_VM and vfork isn't supposed to reset
> alternate stack setting.

I'd say this is rather an oversight than a real requirement (we fixed
quite a few such problems in the POSIX spec of vfork) but it should be
as safe as any other solution.  So, I'm OK with the extended CLONE_VM
test.

      reply	other threads:[~2006-03-13 16:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-13  8:52 GOTO Masanori
2006-03-13 15:16 ` Ulrich Drepper
2006-03-13 15:30   ` Jakub Jelinek
2006-03-13 16:29     ` Ulrich Drepper [this message]

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