linux-kernel - Re: [syzbot] [media?] [usb?] WARNING in iguanair_get_features/usb_submit

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Message-ID: <673ea39a.050a0220.363a1b.0083.GAE@google.com>
Date: Wed, 20 Nov 2024 19:06:02 -0800
From: syzbot <syzbot+e3ae1e7f4b88f3e696f5@...kaller.appspotmail.com>
To: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org, 
	linux-media@...r.kernel.org, linux-usb@...r.kernel.org, mchehab@...nel.org, 
	oneukum@...e.com, sean@...s.org, stern@...land.harvard.edu, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [media?] [usb?] WARNING in iguanair_get_features/usb_submit_urb

syzbot has bisected this issue to:

commit b3e40fc85735b787ce65909619fcd173107113c2
Author: Oliver Neukum <oneukum@...e.com>
Date:   Thu May 2 11:51:40 2024 +0000

    USB: usb_parse_endpoint: ignore reserved bits

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13907ae8580000
start commit:   f868cd251776 Merge tag 'drm-fixes-2024-11-16' of https://g..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10507ae8580000
console output: https://syzkaller.appspot.com/x/log.txt?x=17907ae8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d2aeec8c0b2e420c
dashboard link: https://syzkaller.appspot.com/bug?extid=e3ae1e7f4b88f3e696f5
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10edf1a7980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10d892c0580000

Reported-by: syzbot+e3ae1e7f4b88f3e696f5@...kaller.appspotmail.com
Fixes: b3e40fc85735 ("USB: usb_parse_endpoint: ignore reserved bits")

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