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Date: Sat, 13 Oct 2007 10:49:43 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Oleg Nesterov <oleg@...sign.ru> Cc: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>, viro@....linux.org.uk, kamezawa.hiroyu@...fujitsu.com, linux-kernel@...r.kernel.org, sam@...nborg.org, netdev@...r.kernel.org, Pavel Emelyanov <xemul@...nvz.org>, Sukadev Bhattiprolu <sukadev@...ibm.com>, Paul Menage <menage@...gle.com>, "Eric W. Biederman" <ebiederm@...ssion.com> Subject: Re: 2.6.23-mm1 thread exit_group issue On Sat, 13 Oct 2007 16:02:30 +0400 Oleg Nesterov <oleg@...sign.ru> wrote: > On 10/13, Oleg Nesterov wrote: > > > > On 10/12, Andrew Morton wrote: > > > > > > Bisection shows that this problem is caused by these two patches: > > > > > > pid-namespaces-allow-cloning-of-new-namespace.patch > > > > This? http://marc.info/?l=linux-mm-commits&m=118712242002039 > > > > Pavel, this patch has a subtle difference compared to what we discussed on > > containers list. It moves put_user(parent_tidptr) from copy_process() to > > do_fork(), so we don't report child's pid if copy_process() failed. I do > > not think this is bad, but Eric seems to disagree with such a change. > > > > But I can't understand why Andrew sees the same problem _after_ this patch! > > > > And which patch removed the "put_user(nr, parent_tidptr)" chunk? > > Aha. I am looking at > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.23/2.6.23-mm1/broken-out/pid-namespaces-allow-cloning-of-new-namespace.patch > > Looks like the original patch was damaged somehow, it doesn't have the > "put_user(nr, parent_tidptr)" code. > It does have it, except it moved somewhere else. That would have been me trying to fix yet another reject storm. I thought I had that one right. Could someone fix it please? - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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