Thread (98 messages) 98 messages, 13 authors, 2018-06-26

Re: [PATCH 06/10] x86/cet: Add arch_prctl functions for shadow stack

From: Kees Cook <hidden>
Date: 2018-06-19 20:12:34
Also in: linux-arch, linux-mm, lkml

On Tue, Jun 19, 2018 at 10:20 AM, Andy Lutomirski [off-list ref] wrote:
quoted
On Jun 19, 2018, at 10:07 AM, Kees Cook [off-list ref] wrote:

Does it provide anything beyond what PR_DUMPABLE does?
What do you mean?
I was just going by the name of it. I wasn't sure what "ptrace CET
lock" meant, so I was trying to understand if it was another "you
can't ptrace me" toggle, and if so, wouldn't it be redundant with
PR_SET_DUMPABLE = 0, etc.

-Kees

-- 
Kees Cook
Pixel Security
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