From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 500ACC55199 for ; Sun, 26 Apr 2020 17:57:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 41FB82080C for ; Sun, 26 Apr 2020 17:57:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726205AbgDZR5F (ORCPT ); Sun, 26 Apr 2020 13:57:05 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:51195 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726156AbgDZR5E (ORCPT ); Sun, 26 Apr 2020 13:57:04 -0400 Received: by mail-io1-f70.google.com with SMTP id a12so17980284ioe.17 for ; Sun, 26 Apr 2020 10:57:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=8TjkhMFVPAtlJvNNJhAgu9a5c+xNP6W5RwxgCUtPT8A=; b=SKIqaSJfyjPdglSDD7/2avshswhpdoqVwU0GN2FKHAt/oALaXQ96EYwVf+ipIlQCbN H9OfolVZbIXYFkcUg/PnCfXc80FmmVqTYzst0N3SEJSdttDCyzYMQR9B+2w5I1ffm9Ex OaoR1xbH79homPzBMAUxk8+oSpzaiuUJiwQfPY+X2s1sl+++OBMEdtuM1kEmBSbYuExy FcDwq2gTxS4AxqlK//WKgnaEDX3blN01WyOc5JWHxoVlXPnUbLpI4zpbimpYMx99B/bM E1c4jTg5pKYhItMW4pSvYJBcYKt8zHMkSJdlPdc2xHusnAnlG5fbuekL5I2j+esxcHF2 PVtA== X-Gm-Message-State: AGi0PuZxEilmveO5UNFM+v54znCHXgdyxQzjgJReDL0UTNsuXzJOi9Ss pgLuoN6S6Fqt2LNwc333GPpEKs92RxiVQlLgZTAM3b+42daY X-Google-Smtp-Source: APiQypJ1WErfclfWRklquQXKUFrHvg+ilCR/GXhMmL7xYap+ltlezJQoVrYWsI2Igs/lBP1SJGZYdLEjU0efu91+I8ON/mzNsiup MIME-Version: 1.0 X-Received: by 2002:a5d:8715:: with SMTP id u21mr2705169iom.46.1587923822561; Sun, 26 Apr 2020 10:57:02 -0700 (PDT) Date: Sun, 26 Apr 2020 10:57:02 -0700 In-Reply-To: <00000000000005d1ab05a4351006@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005fd19505a4355311@google.com> Subject: Re: INFO: rcu detected stall in wg_packet_tx_worker From: syzbot To: Jason@zx2c4.com, davem@davemloft.net, f.fainelli@gmail.com, gregkh@linuxfoundation.org, jason@zx2c4.com, jhs@mojatatu.com, jiri@resnulli.us, krzk@kernel.org, kuba@kernel.org, kvalo@codeaurora.org, leon@kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, netdev@vger.kernel.org, shuah@kernel.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, vivien.didelot@gmail.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit e7096c131e5161fa3b8e52a650d7719d2857adfd Author: Jason A. Donenfeld Date: Sun Dec 8 23:27:34 2019 +0000 net: WireGuard secure network tunnel bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15258fcfe00000 start commit: b2768df2 Merge branch 'for-linus' of git://git.kernel.org/.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=17258fcfe00000 console output: https://syzkaller.appspot.com/x/log.txt?x=13258fcfe00000 kernel config: https://syzkaller.appspot.com/x/.config?x=b7a70e992f2f9b68 dashboard link: https://syzkaller.appspot.com/bug?extid=0251e883fe39e7a0cb0a userspace arch: i386 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15f5f47fe00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11e8efb4100000 Reported-by: syzbot+0251e883fe39e7a0cb0a@syzkaller.appspotmail.com Fixes: e7096c131e51 ("net: WireGuard secure network tunnel") For information about bisection process see: https://goo.gl/tpsmEJ#bisection