From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.codeaurora.org by pdx-caf-mail.web.codeaurora.org (Dovecot) with LMTP id 7cVYO21lGVv1CAAAmS7hNA ; Thu, 07 Jun 2018 17:04:07 +0000 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 49F9B606DD; Thu, 7 Jun 2018 17:04:07 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.4 required=2.0 tests=BAYES_00,FROM_LOCAL_HEX, MAILING_LIST_MULTI,SORTED_RECIPS autolearn=no autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by smtp.codeaurora.org (Postfix) with ESMTP id C88C960290; Thu, 7 Jun 2018 17:04:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C88C960290 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933882AbeFGREF (ORCPT + 25 others); Thu, 7 Jun 2018 13:04:05 -0400 Received: from mail-io0-f199.google.com ([209.85.223.199]:37552 "EHLO mail-io0-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753234AbeFGREC (ORCPT ); Thu, 7 Jun 2018 13:04:02 -0400 Received: by mail-io0-f199.google.com with SMTP id g20-v6so7999130ioc.4 for ; Thu, 07 Jun 2018 10:04:02 -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=jWrcbCghHy+FtOI2lMql2ROEVMLMi3AU+yJwoFTMWc0=; b=okPrnJZJw7eHID+5JrznZlzNnlKcaBlE4MzXczZ5PSv4ugeUd+xH4p8JeH3ubZQRxw LksVvRqL/d6ZVCtp4t5nCFnXjslmr77NEIVk0q85mSRx1Taq/50fS3Zom824A/+LD5XF 2aldxYXPPFK01vT5rj/AJRWLG79Gb9Gf7s0cwdCaMtEKlrc5KvabPT4sPM1SLZKwVpK7 017Q0QjG84M/TzYL4DxyEhmaYWI7TK+4SFxrW/07W5gkSQXAU/pX9mw5Gtk3GgaYG04b 7B39W+Cb+83I36PpXIIY76wZrRr/7Hv2GzTgv2V78tP7MmiXKVf9SyqR0h50OgiqCWBL FogQ== X-Gm-Message-State: APt69E3OfvJ0vBMd7RQ6CjmGgOWkB2GN1qg98Ar7mT64SMlLUEYCM8wX 4Yemg9qzdPQuOeBp+oG7nNM4fGFY2UX/8TKZVshMSDD3FSXk X-Google-Smtp-Source: ADUXVKL5TLbrbhzdyYEXCXOg8uRF4ZCsB5wKRevdM6NpnqtsNdH2l1f2lKBT/Dkm6tXlKdbWS0G9ahJTSBAzjcoX9LSvnzGP9rVN MIME-Version: 1.0 X-Received: by 2002:a6b:91d7:: with SMTP id t206-v6mr1167098iod.36.1528391042245; Thu, 07 Jun 2018 10:04:02 -0700 (PDT) Date: Thu, 07 Jun 2018 10:04:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000026a983056e1045b4@google.com> Subject: Re: KMSAN: uninit-value in _copy_to_iter (2) From: syzbot To: avagin@openvz.org, davem@davemloft.net, dingtianhong@huawei.com, dvyukov@google.com, edumazet@google.com, elena.reshetova@intel.com, jasowang@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, matthew@mjdsystems.ca, mingo@kernel.org, mst@redhat.com, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk, virtualization@lists.linux-foundation.org, willemb@google.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+87cfa083e727a224754b@syzkaller.appspotmail.com Tested on: commit: c6a6aed994b6 kmsan: remove dead code to trigger syzbot build git tree: https://github.com/google/kmsan.git/master kernel config: https://syzkaller.appspot.com/x/.config?x=848e40757852af3e compiler: clang version 7.0.0 (trunk 334104) patch: https://syzkaller.appspot.com/x/patch.diff?x=17dc3a8f800000 Note: testing is done by a robot and is best-effort only.