From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F3A51CAA9C for ; Thu, 20 Feb 2025 10:17:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740046629; cv=none; b=FFixvsXGTOTHQheh3W6us2rP4iYxGH/JeL7Kg61mor5lCIX8I4QLxoI2Ny+xJsJXoVoep9NWuv61z3J+6HUUH878yPlHjSMwBucI68tfanzh8LBS1o61wT6BZkVbZhA9Hdy4t2RxsZ1+moXBf5NahhIBSQ20Ae0ZJckDpHNsxJU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740046629; c=relaxed/simple; bh=9KmqJ1BEHtKG4QjE9I9x08RkC0QExrDPqMk5h1YNYg4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ncM4TEd7ExruYem/dNukIFdegYVg2S9YgE5lz2hyHed5Rp+ROw4Hz3Ja7rz4WsfQY2TDPRTcFqbss7I6R26dbmiCyRiBsbGlktLbXffxJQQGCKAhTCL/wPjUwmMwnJigV4KGCB8zVclqhZpirzKsCfXA/7wiG1sbaXKrhhFWwuI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=fmr9exNw; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="fmr9exNw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7514EC4CED1; Thu, 20 Feb 2025 10:17:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1740046628; bh=9KmqJ1BEHtKG4QjE9I9x08RkC0QExrDPqMk5h1YNYg4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fmr9exNwYm+Eigi0OLlbuoRjsmymPDes4BRtM/W+WIidJnlUh9WQnnIlrWudSaLlC miYloqK2FjnGUEP2DfyTG6jmuYlimsMHc4CEyT/1wVay0RDxpfrGg5SEp2fSDUDF6w WeRDmBtBzZl16eas2D0JWwaXRNm8TMatFp+V5lZ0= Date: Thu, 20 Feb 2025 11:17:06 +0100 From: Greg KH To: Philipp Leskovitz Cc: linux-usb@vger.kernel.org Subject: Re: use-after-free with Lenovo Ultra Docking Station Message-ID: <2025022009-hurricane-amiable-2195@gregkh> References: <76af1506-3425-4d6a-b388-3304823fdd82@secunet.com> <2025021853-stained-scared-9e60@gregkh> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Feb 20, 2025 at 10:34:33AM +0100, Philipp Leskovitz wrote: > Hello, > > with kernel 6.12.12 I also see such an error in the typec driver. There is also a warning in the log. > > <4>[ 783.320429] Oops: general protection fault, probably for non-canonical address 0x31373836396332a4: 0000 [#1] PREEMPT SMP NOPTI Can you duplicate this without the closed-source, out-of-tree kernel modules loaded? And this docking station is very odd, has it ever worked? Is there a bios update for it? thanks, greg k-h