netdev - Re: [PATCH] net/sched: netem: account for backlog updates from child qdisc

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Message-ID: <8e01759d-02cb-4601-9d92-7b6526225915@fau.de>
Date: Tue, 26 Nov 2024 12:13:44 +0100
From: Martin Ottens <martin.ottens@....de>
To: Stephen Hemminger <stephen@...workplumber.org>
Cc: Jamal Hadi Salim <jhs@...atatu.com>, Cong Wang
 <xiyou.wangcong@...il.com>, Jiri Pirko <jiri@...nulli.us>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Simon Horman <horms@...nel.org>, netdev@...r.kernel.org
Subject: Re: [PATCH] net/sched: netem: account for backlog updates from child
 qdisc

On 26.11.24 01:12, Stephen Hemminger wrote:

> Does this also address this issue with running non-work conserving
> inner qdisc?
> 
> See: https://marc.info/?l=linux-netdev&m=172779429511319&w=2

The bug that my patch fixes only occurs when netem interacts with 
an inner qdisc like tbf, the behavior when netem interacts with its 
parent qdiscs is not changed by the patch. 
Therefore the patch does not address the UaF bug.