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

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Message-ID: <68d28803.a70a0220.4f78.0006.GAE@google.com>
Date: Tue, 23 Sep 2025 04:44:03 -0700
From: syzbot <syzbot+9fe8f6caeb5661802ca2@...kaller.appspotmail.com>
To: dmitry.torokhov@...il.com, gregkh@...uxfoundation.org, 
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-usb@...r.kernel.org, oneukum@...e.com, stern@...land.harvard.edu, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [usb?] [input?] WARNING in hanwang_open/usb_submit_urb

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=1066627c580000
start commit:   038d61fd6422 Linux 6.16
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=515ec0b49771bcd1
dashboard link: https://syzkaller.appspot.com/bug?extid=9fe8f6caeb5661802ca2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=109ab1a2580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=136cf2f0580000

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