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=-5.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 2E211C2D0DB for ; Fri, 31 Jan 2020 19:23:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 021F92082E for ; Fri, 31 Jan 2020 19:23:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=narfation.org header.i=@narfation.org header.b="Y1wkZ6At" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726139AbgAaTXE (ORCPT ); Fri, 31 Jan 2020 14:23:04 -0500 Received: from dvalin.narfation.org ([213.160.73.56]:37490 "EHLO dvalin.narfation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725954AbgAaTXD (ORCPT ); Fri, 31 Jan 2020 14:23:03 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=narfation.org; s=20121; t=1580498581; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=475KMUwh+W/5/54fUMNMhVrEiGEgG0BkyP5o/poCjIk=; b=Y1wkZ6At5ZQ1bhcC6hZKYluFT+vJPz6yK7Ljag2xjl8U4ZAujGX6rx+W8OlSQrIfAhXCaQ yO+11tdDhDi08PgkU/0ig1SLo0K6F70Yqg/1/9+ela2yPYDyuiKjCbIwt4kulktZZ8BgRK 0K54wdA1O+ZlJo1HJ7XxIwmuEWATVN4= From: Sven Eckelmann To: syzbot Cc: a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net, glider@google.com, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com Subject: Re: KMSAN: uninit-value in batadv_bla_tx Date: Fri, 31 Jan 2020 20:22:48 +0100 Message-ID: <2584399.6Er73V5Qae@sven-edge> In-Reply-To: <0000000000004701a9059d7351dd@google.com> References: <0000000000004701a9059d7351dd@google.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart5323429.oYtFQFovjn"; micalg="pgp-sha512"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --nextPart5323429.oYtFQFovjn Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" On Friday, 31 January 2020 18:58:13 CET syzbot wrote: [...] > HEAD commit: 686a4f77 kmsan: don't compile memmove > git tree: https://github.com/google/kmsan.git master > console output: https://syzkaller.appspot.com/x/log.txt?x=10b1da4ee00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=e10654781bc1f11c > dashboard link: https://syzkaller.appspot.com/bug?extid=37bad4f9cb2033876f32 > compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=102be0a1e00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=123105a5e00000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+37bad4f9cb2033876f32@syzkaller.appspotmail.com > > ===================================================== > BUG: KMSAN: uninit-value in batadv_bla_tx+0x2675/0x3730 net/batman-adv/bridge_loop_avoidance.c:1960 > CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.5.0-rc5-syzkaller #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [...] Looks like the same problem in HSR as https://syzkaller.appspot.com/bug?extid=24458cef7d37351dd0c3 #syz dup: KMSAN: uninit-value in batadv_interface_tx (2) Kind regards, Sven --nextPart5323429.oYtFQFovjn Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEF10rh2Elc9zjMuACXYcKB8Eme0YFAl40fokACgkQXYcKB8Em e0YVug/+Lq5g6TG+P5pDoP29Gwz/VR393Sy1CVg08+qKhg4xaXgYCd/N+qdrhHFL 9nF44JbNEcTr56+hwr382xo9Er5dwmPt2bdWqQfmg7p3gcdgNunW6E2fepA8gbrK Xs4FQC2nmLhIS0xFPEOq39RsaCg+fuwvqufInXiG65FjasecPqqmHL8bJjsxmWK0 OJKqANFKtmLc47bvDhY8iln3snvRdqVCoT35QKkGYaCmHmOSR6029idnAXpU/4Mm 8feJ1z6oN3InoX41CHbeonATimjUvTwNuQ7w6BcrixzIACh/dM+xFEoeeaoXeFYb ym6WH5v2e4LjrI5HkoHNqvsPAIeh/VTdvTLNEmzqhISzLZjhX4SJKE9wjIZzP7qI ifpcRFI4a5rzedS+HzOAP417UIqXcLwVqWEWmN8F/VljEWI/ZR3LCzeNFDSzujBh Dy+0p/te5IpWgBhAtEDfkcME1PjFIZrQSQo8DwTEE2ZrBc7rID0kmsc3m2xDcoHZ 44pdVRptM6IzSfqqdKyODB2/Q+6rusCWNFLhO9dVshacYN1MOvQzbtqQ63+TpbAe 0RqtaQGYRRhnM54tO5Ms7AzayWftal2zra2ftyFWtsok6THqNxRvYNCXiB8NGFch VJl/HZFnh+RbgP6DnCqT0GxXpd9dEnrr/VXSq3XRsTf7rk5OR+A= =fZ5+ -----END PGP SIGNATURE----- --nextPart5323429.oYtFQFovjn--