Messages in this thread |  | | Date | Wed, 30 Nov 2011 00:55:47 +0400 | | From | Cyrill Gorcunov <> | | Subject | Re: [rfc 3/3] prctl: Add PR_SET_MM codes to tune up mm_struct entires |
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On Tue, Nov 29, 2011 at 02:49:11PM -0600, Serge Hallyn wrote: > > My memory is a bit hazy here, but cryo > (http://git.sr71.net/?p=cryo-forhallyn.git;a=summary) did also do > this from userspace. As I recall the one problem we had was ... > that we couldn't lower the mm_start of the first segment? I think. > But I bring it up only because the advantage of doing it this way > was that all of the ptrace protections automatically applied. >
Thanks for the link Serge, I'll take a look. I think for start_code we might stick for exactly Elf path -- ie it should be vma with at least "r-xp" prototipe as mapped by elf path (and restrictions from Kees's mail should be applied on it as well). Other members are not that clear for me.
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