Messages in this thread | | | Date | Wed, 8 Feb 2012 16:15:16 +0100 | From | Oleg Nesterov <> | Subject | Re: + proc-clean-up-proc-pid-environ-handling.patch added to -mm tree |
| |
> 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.
| |