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From: Greg KH <gregkh@linuxfoundation.org>
To: By <xiaobai050@gmail.com>
Cc: Thinh.Nguyen@synopsys.com, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	syzbot+665bae0a102933788e1a@syzkaller.appspotmail.com
Subject: Re: [PATCH] usb: dwc3: pci: reject matches without software-node data
Date: Wed, 23 Sep 2026 11:24:13 +0200	[thread overview]
Message-ID: <2026092326-stricken-album-d1b9@gregkh> (raw)
In-Reply-To: <20260923081006.89175-1-xiaobai050@gmail.com>

On Wed, Sep 23, 2026 at 04:10:06PM +0800, By wrote:
> A PCI driver_override bind can reach dwc3_pci_probe() with the dummy ID
> from pci_match_device(). Its driver_data is zero, so dwc3_pci_quirks()
> passes NULL to device_add_software_node(), which crashes in
> software_node_register().

As it should.  Don't do that.  See the archives for many details.

> Reported-by: syzbot+665bae0a102933788e1a@syzkaller.appspotmail.com

This is an invalid report, as has been said in the past.

thanks,

greg k-h

  reply	other threads:[~2026-09-23  9:32 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-23  8:10 By
2026-09-23  9:24 ` Greg KH [this message]
2026-09-23  8:10 By

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