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Re: [PATCH net-next v7 1/2] bpf: Add bpf_probe_write_user BPF helper to be called in tracers

From Daniel Borkmann <daniel@iogearbox.net>
Newsgroups linux.kernel
Subject Re: [PATCH net-next v7 1/2] bpf: Add bpf_probe_write_user BPF helper to be called in tracers
Date 2016-07-25 15:20 +0200
Message-ID <rYNXA-51i-25@gated-at.bofh.it> (permalink)
References <rYNEd-4FI-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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!

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[PATCH net-next v7 1/2] bpf: Add bpf_probe_write_user BPF helper to  be called in tracers Sargun Dhillon <sargun@sargun.me> - 2016-07-25 15:00 +0200
  Re: [PATCH net-next v7 1/2] bpf: Add bpf_probe_write_user BPF helper  to be called in tracers Daniel Borkmann <daniel@iogearbox.net> - 2016-07-25 15:20 +0200

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