Re: [PATCH] mm: optionally disable brk()

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On Mon 05-10-20 11:11:35, Topi Miettinen wrote:
[...]
> I think hardened, security oriented systems should disable brk() completely
> because it will increase the randomization of the process address space
> (ASLR). This wouldn't be a good option to enable for systems where maximum
> compatibility with legacy software is more important than any hardening.

I believe we already do have means to filter syscalls from userspace for
security hardened environements. Or is there any reason to duplicate
that and control during the configuration time?
-- 
Michal Hocko
SUSE Labs




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