From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=198.175.65.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794556562; b=pzwJ3pJDE5Sjuiie8Tgn9g7bmd3bYU7X+UWcS9wY7O9NVFUW111a6Yn/t0hHqZswTKGU wM8vthN/M9bE2SpNDOr33TsUmONIMidnd02rz0olh4EEYuhMbYyCrY2qAT7Pua66jQTLs 6Ha5dFCZ2g7zbzlSQQeUDrCn5CO7Q3cL4INFMU6B5qC2EfHOL26vRwDw8a+Gam4rZk+YI tT7ZaPhE91kauxo4ctEQdGpIz4XPuvCz/8kr9D5d5KJMYOWnFXRzOoBf4xvcdlDA014BK KixFZfivOqyX6Q49hZ86oPzDv3TBr3W8sIaVMuOdEIp2KY//U+agogZZ1wywx0dIy7w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794556562; h=DMARC-Filter:DKIM-Signature:X-CSE-ConnectionGUID:X-CSE-MsgGUID: X-IronPort-AV:X-IronPort-AV:Received:X-CSE-ConnectionGUID: X-CSE-MsgGUID:X-ExtLoop1:X-IronPort-AV:Received:Received:Date:From:To: Cc:Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=GWbv2zOjst8UuJUp6rbLSm5WhxmtLC3h40+pmJtk3HI=; b=1/93CAqZNytqUjhu5CrnqU4qEx6rLHYqacX+dwyKVA1jrXg3yquXm7JgP5HSXlOBXamK nEwtwgU+N/ZjA6DgVc5CNBLKMnnbuErPck8uhF5aX6x5ZFfBPR93XBtOM8ceTMmeU5Czy guJj0V4HE2Gj9aLiBoUZNi4jGQTMj3K/5LXyxoWu8XVz2PC3EcYsI18xvmcjoU8J17b3E cGzSOf7390TZOj0Jvn3L1R2V+tJL/WkOMsYBYn8/USWAO/9nBl3wzlDrk+ENfK+vBsyUi AM7YWujqndTMW94GwVpAZGwm2taJhsLgNDVtYVB9QWRTLv4CBCvmCtYowI+AkZwb2Wg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=iU5DehxI; arc=none smtp.remote-ip=198.175.65.18 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EF176606A321; Fri, 13 Nov 2026 07:56:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org EF176606A321 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=iU5DehxI DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1794556562; x=1826092562; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=jJ2Evzjt1CZyPWlt6ObTJyIbQEvJB1r0meSB6NP0dnI=; b=iU5DehxINB+8FBA6xk1LN/AcMaf/Q8WnxZrKqHxdiaTCVkDGiNidn8Ix 40lNo2nbVcfShqoFovZ2/4gterQ4pVxY9pujqq0yMe+xCSrDhTX2EclNN F6tRoWd7W5aOuP7vXVuHLMhL9J9j/dhdXm/+cKD9je5ljW6E5zTkpGMIf NZ6ob8B/IuMbzCsGX3yAG+Omck9LQix6GOkiB4QQlV9FDB7KtOo0Idxqc sqK37esQV7+i4FBO732/VcuH/6ypMqERBx5vFu1dfygWBP4avL8E3A43P NBMz/MnfSj7u9d55UKWeAK+7KwMODV5UQwNaDKuaY6ls3gjOswoThfJVz g==; X-CSE-ConnectionGUID: mVCy0Y4RRZ+poorhzElhWw== X-CSE-MsgGUID: x6FnhS7QSCyDrnYPSZCxHQ== X-IronPort-AV: E=McAfee;i="6800,10657,11964"; a="3364749" X-IronPort-AV: E=Sophos;i="6.27,211,1787036400"; d="scan'208";a="3364749" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Nov 2026 23:56:02 -0800 X-CSE-ConnectionGUID: i/pBdK8/S6+x+hH2uxQsHQ== X-CSE-MsgGUID: t3+T64SGRnuDMU4FtSPCkw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,211,1787036400"; d="scan'208";a="9027631" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa002.fm.intel.com with ESMTP; 12 Nov 2026 23:56:00 -0800 Received: by black.igk.intel.com (Postfix, from userid 1001) id EFE0299; Fri, 13 Nov 2026 08:55:58 +0100 (CET) Date: Fri, 13 Nov 2026 08:55:58 +0100 From: Mika Westerberg To: Sven Neuhaus Cc: linux-usb@vger.kernel.org, westeri@kernel.org, andreas.noever@gmail.com, YehezkelShB@gmail.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] thunderbolt: Fix lost ring interrupts and an XDomain use-after-free Message-ID: <20261113075558.GO259790@black.igk.intel.com> References: <1794520303-5758-1-git-send-email-sven-kernel@sven.de> X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1794520303-5758-1-git-send-email-sven-kernel@sven.de> Hi, On Thu, Nov 12, 2026 at 10:51:41PM +0100, Sven Neuhaus wrote: > Hi folks, > > here are two independent fixes found while running an out-of-tree > USB4 service driver between two hosts with AMD Strix Halo USB4 host > routers (1022:158d, 1022:158e). The driver exchanges XDomain requests > and responses in both directions and moves data over its own rings. We generally do not care about out-of-tree drivers. If you can reproduce the same issues with in-tree drivers then sure.