netdev - Re: [PATCHv2] net: bpf: reject invalid shifts

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Date:	Tue, 12 Jan 2016 21:45:07 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	alexei.starovoitov@...il.com
Cc:	eric.dumazet@...il.com, daniel@...earbox.net, rabin@....in,
	netdev@...r.kernel.org, ast@...nel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCHv2] net: bpf: reject invalid shifts

From: Alexei Starovoitov <alexei.starovoitov@...il.com>
Date: Tue, 12 Jan 2016 18:24:16 -0800

> If anyone wants to submit a patch that masks K &= 31, I would ok
> with it as well, but imo it's a disservice to classic bpf users.

This is how I feel as well.  I hate when some developer of a tool
thinks it's ok to silently let me do something which it can strictly
determine is questionable without my explicitly asking it to do so.