From: James Morris <jmorris@namei.org>
To: Suren Baghdasaryan <surenb@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
jannh@google.com, Kees Cook <keescook@chromium.org>,
jeffv@google.com, minchan@kernel.org, mhocko@suse.com,
shakeelb@google.com, rientjes@google.com,
edgararriaga@google.com, timmurray@google.com,
linux-mm@kvack.org, selinux@vger.kernel.org,
linux-api@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-team@android.com, linux-security-module@vger.kernel.org
Subject: Re: [PATCH v2 1/1] mm/madvise: replace ptrace attach requirement for process_madvise
Date: Wed, 20 Jan 2021 16:01:13 +1100 (AEDT) [thread overview]
Message-ID: <c586aa93-52d7-bd6c-3d5-77be4ed4afae@namei.org> (raw)
In-Reply-To: <20210111170622.2613577-1-surenb@google.com>
On Mon, 11 Jan 2021, Suren Baghdasaryan wrote:
> Replace PTRACE_MODE_ATTACH with a combination of PTRACE_MODE_READ
> and CAP_SYS_NICE. PTRACE_MODE_READ to prevent leaking ASLR metadata
> and CAP_SYS_NICE for influencing process performance.
Almost missed these -- please cc the LSM mailing list when modifying
capabilities or other LSM-related things.
--
James Morris
<jmorris@namei.org>
next prev parent reply other threads:[~2021-01-20 5:02 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-11 17:06 [PATCH v2 1/1] mm/madvise: replace ptrace attach requirement for process_madvise Suren Baghdasaryan
2021-01-11 18:33 ` Kees Cook
2021-01-12 1:22 ` Andrew Morton
2021-01-12 17:36 ` Suren Baghdasaryan
2021-01-12 7:46 ` Michal Hocko
2021-01-12 17:45 ` Oleg Nesterov
2021-01-12 17:51 ` Suren Baghdasaryan
2021-01-13 14:22 ` Michal Hocko
2021-01-13 18:08 ` Suren Baghdasaryan
2021-01-20 13:17 ` Jann Horn
2021-01-20 16:57 ` Suren Baghdasaryan
2021-01-20 20:46 ` Suren Baghdasaryan
2021-01-26 13:52 ` Michal Hocko
2021-01-28 19:51 ` Suren Baghdasaryan
2021-01-29 7:08 ` Suren Baghdasaryan
2021-02-02 5:34 ` Suren Baghdasaryan
[not found] ` <CAJuCfpEOE8=L1fT4FSauy65cS82M_kW3EzTgH89ewE9HudL=VA@mail.gmail.com>
2021-03-03 0:17 ` Andrew Morton
2021-03-03 0:19 ` Suren Baghdasaryan
2021-03-03 19:00 ` Suren Baghdasaryan
2021-01-12 18:12 ` Suren Baghdasaryan
2021-01-13 14:19 ` Michal Hocko
2021-01-20 5:01 ` James Morris [this message]
2021-01-20 16:49 ` Suren Baghdasaryan
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