From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:44890 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751860AbdGVRFJ (ORCPT ); Sat, 22 Jul 2017 13:05:09 -0400 Subject: Patch "PM / Domains: Fix unsafe iteration over modified list of device links" has been added to the 4.4-stable tree To: krzk@kernel.org, gregkh@linuxfoundation.org, rafael.j.wysocki@intel.com, ulf.hansson@linaro.org Cc: , From: Date: Sat, 22 Jul 2017 16:16:28 +0200 Message-ID: <1500732988206142@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled PM / Domains: Fix unsafe iteration over modified list of device links to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: pm-domains-fix-unsafe-iteration-over-modified-list-of-device-links.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From c6e83cac3eda5f7dd32ee1453df2f7abb5c6cd46 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Wed, 28 Jun 2017 16:56:18 +0200 Subject: PM / Domains: Fix unsafe iteration over modified list of device links From: Krzysztof Kozlowski commit c6e83cac3eda5f7dd32ee1453df2f7abb5c6cd46 upstream. pm_genpd_remove_subdomain() iterates over domain's master_links list and removes matching element thus it has to use safe version of list iteration. Fixes: f721889ff65a ("PM / Domains: Support for generic I/O PM domains (v8)") Signed-off-by: Krzysztof Kozlowski Acked-by: Ulf Hansson Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/base/power/domain.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -1373,7 +1373,7 @@ EXPORT_SYMBOL_GPL(pm_genpd_add_subdomain int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd, struct generic_pm_domain *subdomain) { - struct gpd_link *link; + struct gpd_link *l, *link; int ret = -EINVAL; if (IS_ERR_OR_NULL(genpd) || IS_ERR_OR_NULL(subdomain)) @@ -1388,7 +1388,7 @@ int pm_genpd_remove_subdomain(struct gen goto out; } - list_for_each_entry(link, &genpd->master_links, master_node) { + list_for_each_entry_safe(link, l, &genpd->master_links, master_node) { if (link->slave != subdomain) continue; Patches currently in stable-queue which might be from krzk@kernel.org are queue-4.4/pm-domains-fix-unsafe-iteration-over-modified-list-of-domain-providers.patch queue-4.4/pm-domains-fix-unsafe-iteration-over-modified-list-of-device-links.patch