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=-5.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 5ACB4C47404 for ; Sat, 5 Oct 2019 21:20:33 +0000 (UTC) Received: from krantz.zx2c4.com (krantz.zx2c4.com [192.95.5.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 990C2222C5 for ; Sat, 5 Oct 2019 21:20:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=ungleich.ch header.i=@ungleich.ch header.b="kMjvbdbY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 990C2222C5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ungleich.ch Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=wireguard-bounces@lists.zx2c4.com Received: from krantz.zx2c4.com (localhost [IPv6:::1]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 224265a5; Sat, 5 Oct 2019 21:20:30 +0000 (UTC) Received: from krantz.zx2c4.com (localhost [127.0.0.1]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id a84f6052 for ; Sat, 5 Oct 2019 21:20:28 +0000 (UTC) Received: from smtp.ungleich.ch (smtp.ungleich.ch [IPv6:2a0a:e5c0:0:2:400:b3ff:fe39:7956]) by krantz.zx2c4.com (ZX2C4 Mail Server) with ESMTP id 5c640276 for ; Sat, 5 Oct 2019 21:20:28 +0000 (UTC) Received: from diamond.localdomain (localhost [IPv6:::1]) by smtp.ungleich.ch (Postfix) with ESMTP id 8735C2036B for ; Sat, 5 Oct 2019 23:20:25 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ungleich.ch; s=mail; t=1570310426; bh=qWfN8hhmdtNwuddBkBxshKtZ1YOCYU781c0bhpWf6es=; h=References:From:To:Subject:In-reply-to:Date:From; b=kMjvbdbYf3XKn7Fcq0I+QRUGojY930cxCUuy60NIIS0mCTK01iHgwv6cY2bQ1dTEI wz5MxdKj2CLb5XWIKpufkGR1NINRKGPQL/bz8O5lvSoRPUzowCTNqVqUGKatMnFCdx rR4cHixPOtDTjG9DbabMAZ4E94+HF8jjOfi9iYVg= Received: by diamond.localdomain (Postfix, from userid 1000) id 7505C13E2AB5; Sat, 5 Oct 2019 23:20:19 +0200 (CEST) References: <87v9t2c45b.fsf@ungleich.ch> User-agent: mu4e 1.3.5; emacs 26.3 From: Nico Schottelius To: WireGuard mailing list Subject: Re: Kernel panic on 5.3.1-arch1-1-ARCH In-reply-to: Date: Sat, 05 Oct 2019 23:20:19 +0200 Message-ID: <87r23qc2jw.fsf@ungleich.ch> MIME-Version: 1.0 X-BeenThere: wireguard@lists.zx2c4.com X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: wireguard-bounces@lists.zx2c4.com Sender: "WireGuard" Hey Jason, thanks for the quick reply - I' ll upgrade as soon as a new package is released and give a status update afterwards. Thanks for tracking it down! Best, Nico Jason A. Donenfeld writes: > This isn't WireGuard, actually. It's a line in wg-quick's bash that > says `ip rule add ... suppress_prefix ...`. > > You can reproduce the kernel crash without WireGuard anywhere in the > equation with this sequence: > > ip netns add crash > ip -n crash link add dummy1 type dummy > ip -n crash link set dummy1 up > ip -n crash -6 route add default dev dummy1 > ip -n crash -6 rule add table main suppress_prefixlength 0 > ip netns exec crash ping -f -c 1000 -W 1 1234::1 || true > ip -n crash -6 rule del table main suppress_prefixlength 0 > ip -n crash link del dummy1 > ip netns del crash > > I submitted a patch for this upstream here: > > https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=ca7a03c4175366a92cee0ccc4fec0038c3266e26 > > It's been backported to stable already. Update your kernel to 5.3.4 > and things should work again for you. > > Jason -- Modern, affordable, Swiss Virtual Machines. Visit www.datacenterlight.ch _______________________________________________ WireGuard mailing list WireGuard@lists.zx2c4.com https://lists.zx2c4.com/mailman/listinfo/wireguard