linux-kernel - Re: [Bug] INFO: task hung in hub

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Date: Mon, 4 Mar 2024 09:59:02 -0500
From: Alan Stern <stern@...land.harvard.edu>
To: Sam Sun <samsun1006219@...il.com>
Cc: linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
  "xrivendell7@...il.com" <xrivendell7@...il.com>,
  Greg KH <gregkh@...uxfoundation.org>, hgajjar@...adit-jv.com,
  quic_ugoswami@...cinc.com, stanley_chang@...ltek.com,
  heikki.krogerus@...ux.intel.com
Subject: Re: [Bug] INFO: task hung in hub_activate

On Mon, Mar 04, 2024 at 08:10:02PM +0800, Sam Sun wrote:
> Dear developers and maintainers,
> 
> We encountered a task hung in function hub_activate(). It was reported
> before by Syzbot several years ago
> (https://groups.google.com/g/syzkaller-lts-bugs/c/_komEgHj03Y/m/rbcVKyLXBwAJ),
> but no repro at that time. We have a C repro this time and kernel
> config is attached to this email. The bug report is listed below.

> If you have any questions, please contact us.

Can you give a pointer to the part of the kernel log that precedes the
bug portion?

Alan Stern