netdev - Re: [syzbot] INFO: task hung in usb_get

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Date:   Thu, 12 May 2022 15:19:34 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+31ae6d17d115e980fd14@...kaller.appspotmail.com>
Cc:     brouer@...hat.com, coreteam@...filter.org, davem@...emloft.net,
        edumazet@...gle.com, eman.mohamed@...aidarealestate.com,
        gregkh@...uxfoundation.org, gustavoars@...nel.org,
        hdanton@...a.com, ingrassia@...genesys.com, johan@...nel.org,
        kaber@...sh.net, kadlec@...ckhole.kfki.hu,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        mathias.nyman@...ux.intel.com, netdev@...r.kernel.org,
        netfilter-devel@...r.kernel.org, pablo@...filter.org,
        skhan@...uxfoundation.org, stern@...land.harvard.edu,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] INFO: task hung in usb_get_descriptor

On Sat, 12 Feb 2022 at 23:43, syzbot
<syzbot+31ae6d17d115e980fd14@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 363eaa3a450abb4e63bd6e3ad79d1f7a0f717814
> Author: Shuah Khan <skhan@...uxfoundation.org>
> Date:   Tue Mar 30 01:36:51 2021 +0000
>
>     usbip: synchronize event handler with sysfs code paths
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1616e872700000
> start commit:   4fa56ad0d12e Merge tag 'for-linus' of git://git.kernel.org..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=144ecdb0be3abc07
> dashboard link: https://syzkaller.appspot.com/bug?extid=31ae6d17d115e980fd14
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12548d11d00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13ec77e9d00000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: usbip: synchronize event handler with sysfs code paths

Based on subsystem and commit subject looks legit:

#syz fix: usbip: synchronize event handler with sysfs code paths