Re: [PATCH bpf 0/3] Restrict bpf_probe_read{,str}() and bpf_trace_printk()'s %s

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On 5/14/20 9:58 PM, Christoph Hellwig wrote:
On Thu, May 14, 2020 at 09:54:06PM +0200, Daniel Borkmann wrote:
On 5/14/20 6:58 PM, Christoph Hellwig wrote:
On Thu, May 14, 2020 at 06:16:04PM +0200, Daniel Borkmann wrote:
Small set of fixes in order to restrict BPF helpers for tracing which are
broken on archs with overlapping address ranges as per discussion in [0].
I've targetted this for -bpf tree so they can be routed as fixes. Thanks!

Does that mean you are targeting them for 5.7?

Yes, it would make most sense to me based on the discussion we had in the
other thread. If there is concern wrt latency we could route these to DaveM's
net tree in a timely manner (e.g. still tonight or so).

I don't think we should rush this too much.  I just want to make sure
it either goes into 5.7 or that we have a coordinated tree that I can
base the maccess series on.

Yep, makes sense, we'll target 5.7 for it.

Thanks,
Daniel



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