From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Borkmann Subject: Re: [PATCH net-next v7 1/2] bpf: Add bpf_probe_write_user BPF helper to be called in tracers Date: Mon, 25 Jul 2016 15:16:55 +0200 Message-ID: <57961147.3090101@iogearbox.net> References: <20160725125444.GA15051@ircssh.c.rugged-nimbus-611.internal> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: alexei.starovoitov@gmail.com To: Sargun Dhillon , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Return-path: In-Reply-To: <20160725125444.GA15051@ircssh.c.rugged-nimbus-611.internal> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On 07/25/2016 02:54 PM, Sargun Dhillon wrote: > This allows user memory to be written to during the course of a kprobe. > It shouldn't be used to implement any kind of security mechanism > because of TOC-TOU attacks, but rather to debug, divert, and > manipulate execution of semi-cooperative processes. > [...] v7 looks good to me now as well, thanks a bunch Sargun!