linux-kernel - Re: lockdep warning in urb.c:363 usb_submit

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 24 Mar 2020 14:20:47 +0100
From:   Oliver Neukum <oneukum@...e.de>
To:     Qais Yousef <qais.yousef@....com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: lockdep warning in urb.c:363 usb_submit_urb

Am Dienstag, den 24.03.2020, 10:46 +0000 schrieb Qais Yousef:
> 
> I should have stuck to what I know then. I misread the documentation. Hopefully
> the attached looks better. I don't see the new debug you added emitted.

That is odd. Please try

echo "module usbcore +mfp" > /sys/kernel/debug/dynamic_debug/control

with the attached improved patch.

	Regards
		Oliver

View attachment "0001-usb-hub-additional-debugging.patch" of type "text/x-patch" (697 bytes)