From: David Miller <davem@davemloft.net>
To: sargun@sargun.me
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
alexei.starovoitov@gmail.com, daniel@iogearbox.net
Subject: Re: [PATCH net-next v7 0/2] bpf: add bpf_probe_write_user helper & example
Date: Mon, 25 Jul 2016 18:08:05 -0700 (PDT) [thread overview]
Message-ID: <20160725.180805.1078640844978833041.davem@davemloft.net> (raw)
In-Reply-To: <20160725125426.GA15045@ircssh.c.rugged-nimbus-611.internal>
From: Sargun Dhillon <sargun@sargun.me>
Date: Mon, 25 Jul 2016 05:54:29 -0700
> This patch series contains two patches that add support for a probe_write
> helper to BPF programs. This allows them to manipulate user memory during
> the course of tracing. The second patch in the series has an example that
> uses it, in one the intended ways to divert execution.
>
> Thanks to Alexei Starovoitov, and Daniel Borkmann for being patient, review, and
> helping me get familiar with the code base. I've made changes based on their
> recommendations.
>
> This helper should be considered for experimental usage and debugging, so we
> print a warning to dmesg when it is along with the command and pid when someone
> tries to install a proglet that uses it. A follow-up patchset will contain a
> mechanism to verify the safety of the probe beyond what was done by hand.
Series applied, thanks.
prev parent reply other threads:[~2016-07-26 1:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-25 12:54 Sargun Dhillon
2016-07-26 1:08 ` David Miller [this message]
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