netdev - Re: [PATCH v2 bpf-next 1/4] bpf: unprivileged BPF access via /dev/bpf

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 17 Aug 2019 08:08:45 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Christian Brauner <christian.brauner@...ntu.com>
Cc:     Andy Lutomirski <luto@...capital.net>,
        Kees Cook <keescook@...omium.org>,
        Andy Lutomirski <luto@...nel.org>,
        Song Liu <songliubraving@...com>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Kernel Team <Kernel-team@...com>,
        Lorenz Bauer <lmb@...udflare.com>,
        Jann Horn <jannh@...gle.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Linux API <linux-api@...r.kernel.org>,
        LSM List <linux-security-module@...r.kernel.org>
Subject: Re: [PATCH v2 bpf-next 1/4] bpf: unprivileged BPF access via /dev/bpf

On Sat, Aug 17, 2019 at 12:22:53AM +0200, Christian Brauner wrote:
> 
> (The one usecase I'd care about is to extend seccomp to do pointer-based
> syscall filtering. Whether or not that'd require (unprivileged) ebpf is
> up for discussion at KSummit.)

Kees have been always against using ebpf in seccomp. I believe he still
holds this opinion. Until he changes his mind let's stop bringing seccomp
as a use case for unpriv bpf.