Messages in this thread | | | Date | Mon, 25 Jul 2016 18:08:05 -0700 (PDT) | Subject | Re: [PATCH net-next v7 0/2] bpf: add bpf_probe_write_user helper & example | From | David Miller <> |
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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.
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