From: Oleg Nesterov <oleg@redhat.com>
To: WANG Cong <xiyou.wangcong@gmail.com>,
Alexey Dobriyan <adobriyan@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: + proc-clean-up-proc-pid-environ-handling.patch added to -mm tree
Date: Wed, 8 Feb 2012 16:15:16 +0100 [thread overview]
Message-ID: <20120208151516.GA15570@redhat.com> (raw)
> From: Cong Wang <xiyou.wangcong@gmail.com>
> Subject: proc: clean up /proc/<pid>/environ handling
>
> Similar to e268337dfe2 ("proc: clean up and fix /proc/<pid>/mem
> handling"),
and has the same problem,
> move the check of permission to open(), this will simplify
> read() code.
but allows to kill the system trivially.
Please look at 6d08f2c7139790c268820a2e590795cb8333181a
"proc: make sure mem_open() doesn't pin the target's memory"
Oleg.
next reply other threads:[~2012-02-08 15:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-08 15:15 Oleg Nesterov [this message]
2012-02-10 3:09 ` + proc-clean-up-proc-pid-environ-handling.patch added to -mm tree Cong Wang
-- strict thread matches above, loose matches on Subject: below --
2012-04-12 0:47 akpm
2012-01-31 20:37 akpm
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