linux-kernel - Re: [syzbot] WARNING in hid_submit_ctrl/usb_submit

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Date:   Wed, 18 Aug 2021 12:39:06 -0700
From:   syzbot <syzbot+9b57a46bf1801ce2a2ca@...kaller.appspotmail.com>
To:     benjamin.tissoires@...hat.com, dvyukov@...gle.com,
        gregkh@...uxfoundation.org, jikos@...nel.org, johan@...nel.org,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, mkubecek@...e.cz,
        stern@...land.harvard.edu, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] WARNING in hid_submit_ctrl/usb_submit_urb

syzbot has bisected this issue to:

commit 5cc59c418fde9d02859996707b9d5dfd2941c50b
Author: Alan Stern <stern@...land.harvard.edu>
Date:   Sat May 22 02:16:23 2021 +0000

    USB: core: WARN if pipe direction != setup packet direction

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=126f1731300000
start commit:   794c7931a242 Merge branch 'linus' of git://git.kernel.org/..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=116f1731300000
console output: https://syzkaller.appspot.com/x/log.txt?x=166f1731300000
kernel config:  https://syzkaller.appspot.com/x/.config?x=96f0602203250753
dashboard link: https://syzkaller.appspot.com/bug?extid=9b57a46bf1801ce2a2ca
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11ae58ce300000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11d71731300000

Reported-by: syzbot+9b57a46bf1801ce2a2ca@...kaller.appspotmail.com
Fixes: 5cc59c418fde ("USB: core: WARN if pipe direction != setup packet direction")

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