linux-kernel - Re: [syzbot] [usb?] [input?] WARNING in bcm5974_start_traffic/usb_submit

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Message-ID: <68c50682.050a0220.2ff435.036c.GAE@google.com>
Date: Fri, 12 Sep 2025 22:52:02 -0700
From: syzbot <syzbot+b064b5599f18f7ebb1e1@...kaller.appspotmail.com>
To: dmitry.torokhov@...il.com, gregkh@...uxfoundation.org, 
	javier.carrasco@...fvision.net, linux-input@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, 
	mukattreyee@...il.com, oneukum@...e.com, rydberg@...math.org, 
	stern@...land.harvard.edu, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [usb?] [input?] WARNING in bcm5974_start_traffic/usb_submit_urb
 (2)

syzbot suspects this issue was fixed by commit:

commit 503bbde34cc3dd2acd231f277ba70c3f9ed22e59
Author: Oliver Neukum <oneukum@...e.com>
Date:   Thu Jun 12 12:20:25 2025 +0000

    usb: core: usb_submit_urb: downgrade type check

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=16c6eb62580000
start commit:   e8ab83e34bdc Merge tag 'arm64-fixes' of git://git.kernel.o..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=a9a25b7a36123454
dashboard link: https://syzkaller.appspot.com/bug?extid=b064b5599f18f7ebb1e1
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1514f0f4580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11699a70580000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: usb: core: usb_submit_urb: downgrade type check

For information about bisection process see: https://goo.gl/tpsmEJ#bisection