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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 D95E4C432C0 for ; Tue, 19 Nov 2019 20:30:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A595F2240E for ; Tue, 19 Nov 2019 20:30:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=netronome-com.20150623.gappssmtp.com header.i=@netronome-com.20150623.gappssmtp.com header.b="sZDxSTw/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727399AbfKSUa4 (ORCPT ); Tue, 19 Nov 2019 15:30:56 -0500 Received: from mail-lf1-f68.google.com ([209.85.167.68]:46387 "EHLO mail-lf1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726711AbfKSUa4 (ORCPT ); Tue, 19 Nov 2019 15:30:56 -0500 Received: by mail-lf1-f68.google.com with SMTP id a17so2090393lfi.13 for ; Tue, 19 Nov 2019 12:30:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netronome-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :organization:mime-version:content-transfer-encoding; bh=wCWUP4nsPFpz4ebNMTaxnSeR5azYfKwgQEC7LGtc9Ro=; b=sZDxSTw/eubFaof40y4LEdQUweSWV1azNAtrOfKs3XT+lxuGKRp+g6ygnYXejcaw1s qd+c4UeupGW1cGhdaiFgcNcVVHO+pTSyLxUrdH5OIpkxC+lOKyx8BuRxX3Bp3dVliUOu UViXkdw9gHrFgany18DhzKm3puYOT50gzUSQR1oEXkBLiycbdUK1aC/NlMxXXCSSW/qp 6E2jwMbq9NuPNZZYrWYPMVqbscMqY40xzqrGNS/Imn93if5GtlNAYL934CDJG1eRj05J LKKhaIBGPIfgfwS16MWko5Gw7n7JVjCzbOD1ZqKnu8buV4xC76oFjUxYT5JsEImxCzEd Ba9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:organization:mime-version:content-transfer-encoding; bh=wCWUP4nsPFpz4ebNMTaxnSeR5azYfKwgQEC7LGtc9Ro=; b=hmD4N5VLgQAUpJkTKurF5Y0BTmLqeyX53a68Ji80twUCHxhb7iP7Msf3TehnJouxD7 6OW0JFW4Y1tdBTnbnjSzM3kTk9DIYYw53dbdBTkd1WTa0Nj7G7jOeGd28Uzp/sXFKdQT X7pnQFTZ1QCM6gj3CJnFeoE6onxHIL8PWhZz5i4d8yqhPoKHL+r1ERjapdZQw88dD6Zf gJRHXT6fBYsMhbOt71yTUK45E+PwWzmMviuws39GAwQ+TMqAD7xBD1I0ekZQtgXoQg6Q qesvlgDg3HwcYb2gLFAvFKZZAStJjbp2EeBsoYsBsK4SpsaD2j2ktXQ7MPoRMv9Vpfso 1ktA== X-Gm-Message-State: APjAAAU7y/x/w3SC+ANyCSosln7DB4xpi+nGplNK4szH82BDHeMsLgId nnnSX6u2SjlAN2fxszWuu8cO4Q== X-Google-Smtp-Source: APXvYqzDcSfLLPaK9+X5fFpIdELQY5X63VgL22V4nzOQwVLKN4mV6uRSB/eF5Ne/6ncsDa1nqRxCdA== X-Received: by 2002:a19:6d19:: with SMTP id i25mr5499270lfc.178.1574195453931; Tue, 19 Nov 2019 12:30:53 -0800 (PST) Received: from cakuba.netronome.com ([66.60.152.14]) by smtp.gmail.com with ESMTPSA id o26sm11014983lfi.57.2019.11.19.12.30.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Nov 2019 12:30:53 -0800 (PST) Date: Tue, 19 Nov 2019 12:30:39 -0800 From: Jakub Kicinski To: Eric Biggers Cc: Boris Pismenny , Aviad Yehezkel , John Fastabend , Daniel Borkmann , syzbot , syzkaller-bugs@googlegroups.com, netdev@vger.kernel.org Subject: Re: [net/tls] kernel BUG at include/linux/scatterlist.h:LINE! Message-ID: <20191119123039.64dca58d@cakuba.netronome.com> In-Reply-To: <20191119045707.GI163020@sol.localdomain> References: <000000000000f41cd905897c075e@google.com> <20191119045707.GI163020@sol.localdomain> Organization: Netronome Systems, Ltd. MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Mon, 18 Nov 2019 20:57:07 -0800, Eric Biggers wrote: > On Wed, May 22, 2019 at 08:58:05AM -0700, syzbot wrote: > > Hello, > > > > syzbot found the following crash on: > > > > HEAD commit: af8f3fb7 net: stmmac: dma channel control register need to.. > > git tree: net > > console output: https://syzkaller.appspot.com/x/log.txt?x=17c2d418a00000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=fc045131472947d7 > > dashboard link: https://syzkaller.appspot.com/bug?extid=df0d4ec12332661dd1f9 > > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15b53ce4a00000 > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14b0aa52a00000 > > This looks like a TLS bug that is still valid. Can you please look into it? > Here's the same crash from net-next today (commit 19b7e21c55c8): > https://syzkaller.appspot.com/text?tag=CrashReport&x=16380c6ae00000 Thanks for brining it up, I should be able to get to it in the next two days.