linux-kernel - Re: yama: unsafe usage of ptrace

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Message-ID: <CAGXu5jJqG+UMb8L79rYTGgEN0HALmcmi70KOXrt=CqV0xgzDBQ@mail.gmail.com>
Date:   Thu, 10 Jan 2019 10:47:52 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:     Oleg Nesterov <oleg@...hat.com>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        syzbot <syzbot+a9ac39bf55329e206219@...kaller.appspotmail.com>,
        James Morris <jmorris@...ei.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: yama: unsafe usage of ptrace_relation->tracer

On Thu, Jan 10, 2019 at 3:06 AM Tetsuo Handa
<penguin-kernel@...ove.sakura.ne.jp> wrote:
> syzbot is hitting this problem as of linux-next-20190110.
> When a patch will be proposed?

Hi! Sorry, this got delayed over the holidays. Let me finish the patch
I was working on and get it published.

Thanks!

-- 
Kees Cook