Re: [syzbot] [usb?] possible deadlock in digi_set_modem_signals

[Johan Hovold]

On Tue, Aug 04, 2026 at 03:41:59PM +0200, Oliver Neukum wrote:
> 
> 
> On 31.07.26 19:15, syzbot wrote:
> > If you want syzbot to run the reproducer, reply with:
> 
> #syz test: git://repo/address.git 11028ab62899
> 

> From ce3cda5cc4df748600c37b6b5cf5964d21478e1c Mon Sep 17 00:00:00 2001
> From: Oliver Neukum <oneukum@xxxxxxxx>
> Date: Tue, 4 Aug 2026 11:38:30 +0200
> Subject: [PATCH 1/2] usb: serial: digi_accelport: annotate spinlocks
> 
> The driver holds two spinlocks at the same time.
> This is perfectly safe, but confuses the validator.
> Tell it manually that we know what we are doing.

I fixed this up a few days ago after I saw the report:

	https://lore.kernel.org/all/20260801125827.292983-1-johan@xxxxxxxxxx/

I've merged that patch for 7.2 to avoid others spending time on it, but
perhaps I should have replied to the report as well. Sorry about that.

Johan