netdev - Re: [PATCH iproute2] ss: fix NULL dereference when rendering without header

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Date:   Sat, 3 Mar 2018 18:35:38 +0100
From:   Stefano Brivio <sbrivio@...hat.com>
To:     Jean-Philippe Brucker <jphilippe.brucker@...il.com>
Cc:     stephen@...workplumber.org, netdev@...r.kernel.org
Subject: Re: [PATCH iproute2] ss: fix NULL dereference when rendering
 without header

On Sat,  3 Mar 2018 16:59:44 +0000
Jean-Philippe Brucker <jphilippe.brucker@...il.com> wrote:

> When ss is invoked with the no-header flag, if the query doesn't return
> any result, render() is called with 'buffer' uninitialized. This
> currently leads to a segfault. Ensure that buffer is initialized before
> rendering.
> 
> The bug can be triggered with: ss -H sport = 100000

Oh dear. Nice catch, thanks for fixing this.

> Signed-off-by: Jean-Philippe Brucker <jphilippe.brucker@...il.com>

Acked-by: Stefano Brivio <sbrivio@...hat.com>

-- 
Stefano