From: Johan Hovold <johan@kernel.org>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Leonardo Antoniazzi <leoanto@aruba.it>,
Anirudh Rayabharam <mail@anirudhrb.com>,
linux-usb@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: hso driver kernel NULL pointer dereference
Date: Mon, 26 Apr 2021 09:59:51 +0200 [thread overview]
Message-ID: <YIZy96hlzl6Z/Gwv@hovoldconsulting.com> (raw)
In-Reply-To: <YIZsnF7FqeQ+eDM0@kroah.com>
On Mon, Apr 26, 2021 at 09:32:44AM +0200, Greg Kroah-Hartman wrote:
> On Sun, Apr 25, 2021 at 11:35:09PM +0200, Leonardo Antoniazzi wrote:
> > Hello,
> > removing my usb-modem (option icon 226) i get this oops (i attached the dmesg output):
> >
> > BUG: kernel NULL pointer dereference, address: 0000000000000068
> >
> > reverting this patch fix the problem on detaching the modem:
> >
> > https://marc.info/?l=linux-usb&m=161781851805582&w=2
> >
> > I'm not a developer, i hope the attached dmesg.txt will suffice
>
> Ick, that's not good.
>
> Anirudh, can you please look into this as it's caused by 8a12f8836145
> ("net: hso: fix null-ptr-deref during tty device unregistration") which
> is merged into 5.12.
I found the bug. Patch coming.
Johan
next prev parent reply other threads:[~2021-04-26 8:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-25 21:35 hso driver kernel NULL pointer dereference Leonardo Antoniazzi
2021-04-26 7:32 ` Greg KH
2021-04-26 7:59 ` Johan Hovold [this message]
2021-04-26 8:15 ` Johan Hovold
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