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

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Message-ID: <5982263A.9000604@iogearbox.net>
Date:   Wed, 02 Aug 2017 21:21:30 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Phil Sutter <phil@....cc>,
        Stephen Hemminger <stephen@...workplumber.org>
CC:     netdev@...r.kernel.org
Subject: Re: [iproute PATCH] bpf: Make bytecode-file reading a little more
 robust

On 08/02/2017 02:57 PM, Phil Sutter 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>

Acked-by: Daniel Borkmann <daniel@...earbox.net>