netdev - Re: [iproute PATCH] bpf: Make bytecode-file reading a little more robust

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Message-ID: <20170803155942.4112575c@xeon-e3>
Date:   Thu, 3 Aug 2017 15:59:42 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Phil Sutter <phil@....cc>
Cc:     netdev@...r.kernel.org, Daniel Borkmann <daniel@...earbox.net>
Subject: Re: [iproute PATCH] bpf: Make bytecode-file reading a little more
 robust

On Wed,  2 Aug 2017 14:57:56 +0200
Phil Sutter <phil@....cc> wrote:

> bpf_parse_string() will now correctly handle:
> 
> - Extraneous whitespace,
> - OPs on multiple lines and
> - overlong file names.
> 
> The added feature of allowing to have OPs on multiple lines (like e.g.
> tcpdump prints them) is rather a side effect of fixing detection of
> malformed bytecode files having random content on a second line, like
> e.g.:
> 
> | 4,40 0 0 12,21 0 1 2048,6 0 0 262144,6 0 0 0
> | foobar
> 
> Cc: Daniel Borkmann <daniel@...earbox.net>
> Signed-off-by: Phil Sutter <phil@....cc>

Looks good applied.