Re: [syzbot] [net?] WARNING: locking bug in tcp_tsq_handler

[Shin'ichiro Kawasaki]

On Aug 25, 2026 / 14:45, Hillf Danton wrote:
> On Tue, 25 Aug 2026 14:44:35 +0900 Shin'ichiro Kawasaki wrote:
> > On Aug 25, 2026 / 03:50, Eric Dumazet wrote:
> > >
> > > I think 19bdb70c77d3 should be reverted.
> >
> > Just reverting the commit will reintroduce the other lockdep WARN that the
> > commit addressed. I hope to have another fix to avoid the WARN.
> >
> I do not think you know the root cause of that lockdep warn, so reverting
> 19bdb70c77d3 is the right thing to do because of [11, 12].
> 
> [11] ffa1e7ada456 ("block: Make request_queue lockdep splats show up earlier")
> [12] Subject: Re: [PATCH] nbd: don't warn when reclassifying a busy socket lock
> https://lore.kernel.org/lkml/20260816014906.1149-1-hdanton@xxxxxxxx/

I took a look in the commit [11] and the discussion [12], but couldn't follow
why the commit 19bdb70c77d3 should be reverted. Could you elaborate a bit more
about the reason you suggest the revert?