linux-kernel - Re: [syzbot] [net?] [mm?] INFO: rcu detected stall in inet_rtm

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Message-ID: <20251014201149.ckkw7okat3cv55qk@skbuf>
Date: Tue, 14 Oct 2025 23:11:49 +0300
From: Vladimir Oltean <vladimir.oltean@....com>
To: Jamal Hadi Salim <jhs@...atatu.com>
Cc: Eric Dumazet <edumazet@...gle.com>,
	syzbot <syzbot+51cd74c5dfeafd65e488@...kaller.appspotmail.com>,
	Vinicius Costa Gomes <vinicius.gomes@...el.com>,
	davem@...emloft.net, dsahern@...nel.org, hdanton@...a.com,
	horms@...nel.org, kuba@...nel.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, netdev@...r.kernel.org, pabeni@...hat.com,
	syzkaller-bugs@...glegroups.com, tglx@...utronix.de
Subject: Re: [syzbot] [net?] [mm?] INFO: rcu detected stall in
 inet_rtm_newaddr (2)

Hi Jamal,

On Sun, Oct 12, 2025 at 11:52:54AM -0400, Jamal Hadi Salim wrote:
> > > Yet another taprio report.
> > >
> > > If taprio can not be fixed, perhaps we should remove it from the
> > > kernel, or clearly marked as broken.
> > > (Then ask syzbot to no longer include it)
> >
> > Agreed on the challenge with taprio.
> > We need the stakeholders input: Vinicius - are you still working in
> > this space? Vladimir you also seem to have interest (or maybe nxp
> > does) in this?
> 
> + Vladmir..
> 
> > At a minimum, we should mark it as broken unless the stakeholders want
> > to actively fix these issues.
> > Would syzbot still look at it if it was marked broken?

I still have interest in taprio, but at the moment I can't look at this
any sooner than the second half of next week (unless someone else beats
me to it). I've added a note not to lose track.

What is the situation with syzbot reports? I don't actively monitor them,
only if somebody happens to email me.