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[23.128.96.18]) by mx.google.com with ESMTP id o15si6827837eje.13.2020.04.26.10.58.26; Sun, 26 Apr 2020 10:58:49 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726174AbgDZR5D (ORCPT + 99 others); Sun, 26 Apr 2020 13:57:03 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:33932 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726156AbgDZR5D (ORCPT ); Sun, 26 Apr 2020 13:57:03 -0400 Received: by mail-io1-f71.google.com with SMTP id v12so18101877iol.1 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=JfSZEactOyGexq23aqUdqZOZOpa2NPNoQGO9cN6i/ZqCMo1jyp6sdQZsEpzxAHvupn 72iG0CgjDMwKRRrZTE5YJNHwMhGVWrNI5sBbd2lIoW+F6jKJEugBkGnVVGqNXTWyUqD9 iWImtRBwoRRZKt+dMEK6Fr5r1jzoLJtjRDfpHY3+WLDI3tXoQu3u5mrCDxghD5uY0y/Z URyiAuZqLfiOsArAXxK4vvRvfQLnxQLQOaZJI6i/5GDU3CqXB0ndhRQVtoazXgk5bQGb Jmw3nt3SNa6G6e0j7PY4IfESlA0My0tuHrbDzDFs/3XnC3ta0ixaen5AWshBlxSe7DCi yG1g== X-Gm-Message-State: AGi0PuZJ2AHg04OBz1NZMRcH9ajKciZnHPfl6A1KpSYgFblGuy0GPG6/ k/3Tj4BV5PdJaXN8vpcWYkNC7KjhcV+sCkOdnIiD4TxgdAEm 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: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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