Messages in this thread | | | From | Kees Cook <> | Date | Sun, 27 May 2018 07:41:34 -0700 | Subject | Re: [PATCH] proc: prevent a task from writing on its own /proc/*/mem |
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On Sat, May 26, 2018 at 6:33 PM, Linus Torvalds <torvalds@linux-foundation.org> wrote: > Thus commit f511c0b17b08 "Yes, people use FOLL_FORCE ;)" > > Side note, that very sam ecommit f511c0b17b08 is also the explanation for > why the patch under discussion now seems broken. > > People really do use "write to /proc/self/mem" as a way to keep the > mappings read-only, but have a way to change them when required.
Ah! Yes, that is the commit I was trying to find. Thanks!
-Kees
-- Kees Cook Pixel Security
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