INFO: task hung in usb_get_descriptor

Hello,

syzbot found the following issue on:

HEAD commit:    d3d45f82 Merge tag 'pinctrl-v5.9-2' of git://git.kernel.or..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1318aab7900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=89ab6a0c48f30b49
dashboard link: https://syzkaller.appspot.com/bug?extid=31ae6d17d115e980fd14
compiler:       gcc (GCC) 10.1.0-syz 20200507
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17c69eeb900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17bebadb900000

The issue was bisected to:

commit c0303efeab7391ec51c337e0ac5740860ad01fe7
Author: Jesper Dangaard Brouer [off-list ref]
Date:   Mon Jan 9 15:04:09 2017 +0000

    net: reduce cycles spend on ICMP replies that gets rate limited

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=146872af900000
final oops:     https://syzkaller.appspot.com/x/report.txt?x=166872af900000
console output: https://syzkaller.appspot.com/x/log.txt?x=126872af900000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: <redacted>
Fixes: c0303efeab73 ("net: reduce cycles spend on ICMP replies that gets rate limited")

INFO: task kworker/0:0:5 blocked for more than 143 seconds.
      Not tainted 5.9.0-rc7-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0     state:D stack:27376 pid:    5 ppid:     2 flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 context_switch kernel/sched/core.c:3778 [inline]
 __schedule+0xec9/0x2280 kernel/sched/core.c:4527
 schedule+0xd0/0x2a0 kernel/sched/core.c:4602
 usb_kill_urb.part.0+0x197/0x220 drivers/usb/core/urb.c:696
 usb_kill_urb+0x7c/0x90 drivers/usb/core/urb.c:691

201 more lines

syzbot suspects this issue was fixed by commit:

commit 363eaa3a450abb4e63bd6e3ad79d1f7a0f717814
Author: Shuah Khan [off-list ref]
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

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

On Sat, 12 Feb 2022 at 23:43, syzbot
[off-list ref] wrote:

syzbot suspects this issue was fixed by commit:

commit 363eaa3a450abb4e63bd6e3ad79d1f7a0f717814
Author: Shuah Khan [off-list ref]
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