Messages in this thread | | | Date | Fri, 10 Feb 2012 11:09:36 +0800 | From | Cong Wang <> | Subject | Re: + proc-clean-up-proc-pid-environ-handling.patch added to -mm tree |
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On 02/08/2012 11:15 PM, Oleg Nesterov wrote: >> 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" >
Thanks, I wasn't aware of that commit. I will send an updated patch soon.
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