From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa2.dell-outbound.iphmx.com ([68.232.149.220]:59978 "EHLO esa2.dell-outbound.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752389AbeDLRG2 (ORCPT ); Thu, 12 Apr 2018 13:06:28 -0400 From: To: , , CC: Subject: RE: [PATCH 0/4] PCI/AER: Use-after-free fix Date: Thu, 12 Apr 2018 17:06:05 +0000 Message-ID: References: <20180409220444.6632-1-keith.busch@intel.com> In-Reply-To: <20180409220444.6632-1-keith.busch@intel.com> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org List-ID: From: Keith Busch [mailto:keith.busch@intel.com]=20 > AER error handling walks the PCI topology below a root port, saving point= ers of the pci_dev structs affected by the error along the way. Hi Keith, I've been trying to do an ABA test to confirm that your change eliminates t= he use-after-free issue we've seen. The race seems to be quite elusive, so = I can't reliably reproduce it. Your changes have not been forgotten; I have= them staged for further testing. Alex