From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755202AbeEHNby (ORCPT ); Tue, 8 May 2018 09:31:54 -0400 Received: from mail-qt0-f196.google.com ([209.85.216.196]:33570 "EHLO mail-qt0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754754AbeEHNbw (ORCPT ); Tue, 8 May 2018 09:31:52 -0400 X-Google-Smtp-Source: AB8JxZpnvKaH8uDrAlrUmV9vHTrebA54khjhSF5a1cGhb9Z8v058VcDAirPg/3YMLx3qs9peWQuH4g== Date: Tue, 8 May 2018 09:06:43 -0300 From: Marcelo Ricardo Leitner To: syzbot Cc: davem@davemloft.net, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, netdev@vger.kernel.org, nhorman@tuxdriver.com, syzkaller-bugs@googlegroups.com, vyasevich@gmail.com Subject: Re: INFO: rcu detected stall in sctp_generate_heartbeat_event Message-ID: <20180508120643.GM4977@localhost.localdomain> References: <000000000000062c1c056bacd39f@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000062c1c056bacd39f@google.com> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 08, 2018 at 12:35:02AM -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: 90278871d4b0 Merge git://git.kernel.org/pub/scm/linux/kern.. > git tree: net-next > console output: https://syzkaller.appspot.com/x/log.txt?x=119a7237800000 > kernel config: https://syzkaller.appspot.com/x/.config?x=aea320d3af5ef99d > dashboard link: https://syzkaller.appspot.com/bug?extid=e4a5bbd54260c93014f9 > compiler: gcc (GCC) 8.0.1 20180413 (experimental) > > Unfortunately, I don't have any reproducer for this crash yet. A reproducer will be welcomed. With just these traces, I don't think we have enough information. Marcelo