linux-kernel - Re: [syzbot] [usb?] INFO: task hung in usb_register

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Date:   Fri, 19 May 2023 22:24:25 -0700
From:   syzbot <syzbot+e761775e8f4a28711f19@...kaller.appspotmail.com>
To:     andreyknvl@...gle.com, charu@...kmarks.net,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, stern@...land.harvard.edu,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [usb?] INFO: task hung in usb_register_dev

syzbot suspects this issue was fixed by commit:

commit df05a9b05e466a46725564528b277d0c570d0104
Author: Alan Stern <stern@...land.harvard.edu>
Date:   Mon Apr 10 19:38:22 2023 +0000

    USB: sisusbvga: Add endpoint checks

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1286f641280000
start commit:   7d2a07b76933 Linux 5.14
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=b04081cf516e2565
dashboard link: https://syzkaller.appspot.com/bug?extid=e761775e8f4a28711f19
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=133519b1300000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=116ec82e300000

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

#syz fix: USB: sisusbvga: Add endpoint checks

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