Re: [syzbot] [media?] [usb?] WARNING in iguanair_get_features/usb_submit_urb

From: syzbot
Date: Wed Nov 20 2024 - 22:06:17 EST


syzbot has bisected this issue to:

commit b3e40fc85735b787ce65909619fcd173107113c2
Author: Oliver Neukum <oneukum@xxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: b3e40fc85735 ("USB: usb_parse_endpoint: ignore reserved bits")

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