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 634281AE877 for ; Sun, 1 Feb 2026 07:27:50 +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=1769930871; cv=none; b=oy1QBhyphDSwX4GR+qnnsLtw78x1+IUNAA9e/e2RsNWjve1wOXr3qGMDczsh19KYns+/aFSCuXwSgCi5ziVJv3MdSyHv79c7dsR+lY7W31HWaLA1uPFIVicDk9J30NqCjKaNcbt73UTctuzPOOOXpB199bvude1ONh/9Pd2Fvvo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769930871; c=relaxed/simple; bh=gn5F+juu3TW5Q8qKzhgmAFmMoPHjvIIK7F8/0ZSydTU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=a2XlL0h1e/BiHPeavTuizXQxUurZM5fIIGF6I4AKo2SmVcSy7IQubcqkFqkjx3MpMo/7mNey4AyGE/LM3NyyL4T5D3By10V7OZkN1S4iRnAvnX0el61YZYhHYU/5trS/6hODwcFNxWkJ24KYkWF7MRUQuguFmV2qfHJbCbHkOos= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=D9vgnuS9; 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="D9vgnuS9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 69B84C4CEF7; Sun, 1 Feb 2026 07:27:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1769930870; bh=gn5F+juu3TW5Q8qKzhgmAFmMoPHjvIIK7F8/0ZSydTU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=D9vgnuS9YJKO96TvRuRkIZoHrqzJV2lezlkF3xXqqAxZbNcNcmcEcKYltik88+wWQ bPw9UPKs7URzwYU4qXKX7KCIQSaxkJ8+wqj4x5BOXb2qM7qQgqwRgx/Nt4alvpAx9/ 8bSHNt3zbsBa2LD/69Jo2OgvG+rOKzFUqiVwc/eQ= Date: Sun, 1 Feb 2026 08:27:48 +0100 From: "gregkh@linuxfoundation.org" To: HackNOW Team Cc: "linux-usb@vger.kernel.org" , "marco.crivellari@suse.com" , "khtsai@google.com" Subject: Re: Fw: Re: [PATCH] USB: hub: add early rejection for corrupted or high-risk devices Message-ID: <2026020104-underpass-gallows-2305@gregkh> References: <9fcf5b72-7d3c-4677-aad1-6b7c4adf6a23@mail.infomaniak.com> 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 Sat, Jan 31, 2026 at 06:57:12PM +0100, HackNOW Team wrote: > Hi Alan, > > I must respectfully disagree with your characterization. This patch is > a serious defensive security improvement for the USB subsystem, not a > joke. Its purpose is to prevent devices with malformed descriptors or > high-risk classes from being fully initialized, thereby reducing the > kernel attack surface. > > I would appreciate feedback focused on the technical merits of the > patch. Sorry, but no, I agree with Alan, this is a funny post. Next time you might wish to wait for April 1 to send it to get the proper chuckle out of us. thanks, greg k-h