From: Oleg Nesterov <oleg@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Hugh Dickins <hughd@google.com>,
Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Manfred Spraul <manfred@colorfullife.com>,
Davidlohr Bueso <davidlohr.bueso@hp.com>,
Kees Cook <keescook@chromium.org>, Tejun Heo <tj@kernel.org>,
Andrew Vagin <avagin@openvz.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Serge Hallyn <serge.hallyn@canonical.com>,
Pavel Emelyanov <xemul@parallels.com>,
Vasiliy Kulikov <segoon@openwall.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Julien Tinnes <jln@google.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH 0/1] ipc/shm: fix the historical/wrong mm->start_stack check
Date: Sat, 23 Aug 2014 16:42:46 +0200 [thread overview]
Message-ID: <20140823144246.GA6281@redhat.com> (raw)
On 08/23, Oleg Nesterov wrote:
>
> But for what? Ignoring the (I think buggy) check in do_shmat() ->start_stack
> is simply unused, we only report it via /proc/.
Really, I think do_shmat() should not abuse ->start_stack. Not only it is
wrong and unneeded afaics, do_shmat() is the only user of ->start_stack,
this adds more confusion.
Oleg.
next reply other threads:[~2014-08-23 14:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-23 14:42 Oleg Nesterov [this message]
2014-08-23 14:43 ` [PATCH 1/1] ipc/shm: fix the historical/wrong mm->start_stack check Oleg Nesterov
2014-08-23 15:22 ` Cyrill Gorcunov
2014-08-23 15:58 ` Oleg Nesterov
2014-08-25 1:38 ` Hugh Dickins
2014-08-25 15:03 ` Oleg Nesterov
2014-08-25 16:18 ` Hugh Dickins
2014-08-25 17:18 ` Oleg Nesterov
2014-08-25 18:51 ` Hugh Dickins
2014-08-25 19:09 ` Oleg Nesterov
2014-08-24 17:41 ` Manfred Spraul
2014-08-25 14:53 ` Oleg Nesterov
2014-08-25 19:12 ` [PATCH v2] " Oleg Nesterov
2014-08-25 21:22 ` Cyrill Gorcunov
2014-08-26 19:37 ` Oleg Nesterov
2014-08-25 21:49 ` Hugh Dickins
2014-08-26 14:32 ` Oleg Nesterov
2014-08-26 19:31 ` [PATCH v3] ipc/shm: kill " Oleg Nesterov
2014-08-26 20:28 ` Hugh Dickins
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