From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Subject: Re: 4.4.103 linux kernel regression Date: Sat, 23 Dec 2017 14:52:49 +0100 Message-ID: <20171223135249.GA16617@kroah.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org, stable@vger.kernel.org, xiyou.wangcong@gmail.com, dsahern@gmail.com, jeffy.chen@rock-chips.com, davem@davemloft.net, khlebnikov@yandex-team.ru To: Mathias Tillman Return-path: Received: from mail.linuxfoundation.org ([140.211.169.12]:60250 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750802AbdLWNws (ORCPT ); Sat, 23 Dec 2017 08:52:48 -0500 Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: adding stable@ and netdev@ On Sat, Dec 23, 2017 at 10:49:27AM +0000, Mathias Tillman wrote: > Hi, I wanted to make you aware of a recent regression to the Linux kernel > introduced with commit 2417da3f4d6bc4fc6c77f613f0e2264090892aa5: > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/net/ipv6?h=linux-4.4.y&id=2417da3f4d6bc4fc6c77f613f0e2264090892aa5 Is this issue also present in Linus's tree? > I have reported it here: > https://bugzilla.kernel.org/show_bug.cgi?id=198189 Bugzilla doesn't work for networking bugs, nor stable stuff, just for a few subsystems, sorry. > Basically, that commit causes an endless loop if, for some reason, not all > devices are unregistered in the rollback_registered_many function in > net/dev.c > > Decided to contact you directly since I have yet to receive any reply on > the bug report, and I wasn't entirely sure what the procedure was. Please > do let me know if I have to change anything in the report. I can revert it, but it would be good to verify if this is an issue in the latest releases or not first. thanks, greg k-h