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Date:   Tue, 26 May 2020 08:27:12 -0400
From:   Jamal Hadi Salim <>
To:     Andrea Claudi <>
Cc:     Daniel Borkmann <>,
        Stephen Hemminger <>,
        linux-netdev <>,
        David Ahern <>,
Subject: Re: [PATCH iproute2 v3 0/2] bpf: memory access fixes

On 2020-05-25 4:53 a.m., Andrea Claudi wrote:

> Reverting c0325b06382c will for sure fix the segfault identified by
> Jamal and get rid of the problems highlighted by Daniel and others.
> To fix the s[n]printf truncation warning we can simply check for its
> return value. From the snprintf man page:
> "a return value of size or more means that the output was truncated."
> (caveat: until glibc 2.0.6 ret value for truncation is -1)
> Jamal: if this works for you, I can submit an alternative to this
> patch series doing what I proposed above. What do you think?

I am ok with that approach.


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