Received: by 2002:a25:31c3:0:0:0:0:0 with SMTP id x186csp736408ybx; Tue, 5 Nov 2019 04:52:13 -0800 (PST) X-Google-Smtp-Source: APXvYqy9zRuZ9AOtO7cbvieFs0N9eRLFYU/JFrsqM2ofTRRm1DSTdKvaX0DZkfF4vyusjZV+w2O+ X-Received: by 2002:a17:907:2070:: with SMTP id qp16mr11540314ejb.115.1572958333301; Tue, 05 Nov 2019 04:52:13 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1572958333; cv=none; d=google.com; s=arc-20160816; b=M4FYqFiSyxlpTvP89jaGyEOZXyd/6sJ2DTfZ3pCQQsAvn4nyLCBmUJXajIn9J2b72/ qIy7eTziaCA2sUXpU3DgEt4/QrFnc70ojek3xS1pUpc7p3BzHwCFVJx+HhuoTbzl5zDH 43//gKXdLZHSOFrAX0P0dwu5Whu0WSqngriUVzWyhKLj3efc9I5dXeMpJ2C1EkNoeqDz VTfUiWfXZuO0P8mHUXnT+NNR/XC0lFhvkDOJB7aa9SHPLhTbZL5lUHeMcZk4d2/lqYzd n6rp17zT7iCfMiPieIeJULAmUvIhxEXW/ayd1pPCTi1140RShu053cStldSHy8b+Qsx8 AuKQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:from:subject:message-id:in-reply-to :date:mime-version; bh=/lWajsW87pe+jU9auqaIDGr38Nf06GOlbpdLBf+DWPk=; b=OQuFAfqOPhgeG+ihrTjScXV+pQl6BnqoyCQC34G6GfyPGYR7F8hMnOJBaxHgzHTsDO opfx6SOefQZdymLW9EotPjHYDilzxPtEuuDFYkBtRG+bQfhRkX3/OnnUYZ+NGkFwa6jE w35OhbA39XhPUO0izNkXl2bHv4n3ZAIqsoYF+19fQMvNtvY+azqnG+zSAKxu08z23EFv BZg/lMzcSexidZTw1mAu9uibqfnBQQopkNXnkAQtxznYtuXyn2NF9pkjtAyS8h8/K8I1 Y4BzmIaXIlkfmfk+yXHZDViMvzk452QXmXdSCj/hbgiUNZZ9DtoUFfc2+PrT4Enm8CjM yHyA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id h56si10145504edh.363.2019.11.05.04.51.49; Tue, 05 Nov 2019 04:52:13 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 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 S2388756AbfKEMvC (ORCPT + 99 others); Tue, 5 Nov 2019 07:51:02 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:55239 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388635AbfKEMvB (ORCPT ); Tue, 5 Nov 2019 07:51:01 -0500 Received: by mail-io1-f69.google.com with SMTP id i15so15445419ion.21 for ; Tue, 05 Nov 2019 04:51:01 -0800 (PST) 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=/lWajsW87pe+jU9auqaIDGr38Nf06GOlbpdLBf+DWPk=; b=BQH2pS39wjV+hJfASKppZTKcVCAlvJLj/UM0vqjNMzkaMucSOUlFiHsypyomykt8Lj 8ALzs1BrgNAUiIJWj0bTNnVqnkqE5EJt0RmrPqfFPhX32rBYBWBtVJOXfZ0GOxycxVsq WtsdmrrqLZxKqyACxxNWbRnHmc7zzEfYKUm4gmLuNE97D1y+EKN1Np6sJWi84fWlRKty Z84swvF6Vqy7SgaA1C6H85iKfwuSiekIezit/LVgFINwL2KYUvwp1Ydwr55mC3xq+VBN ngZa2MoEm6TU2ArU7Tn0o55G74kJKI3yGhg/USRbnI2sB8JCYoOQwFNkRE+9vuqF9dC2 Cf7w== X-Gm-Message-State: APjAAAVkCCCjhBDcbDERzzf2JOumeWZrj4fujlQQBPagXwiS7JsnuyOb NQo4G/TiK89VwCbpjM6eM8Wzq3U69JLdKAhxQt/TbtSDJ0iQ MIME-Version: 1.0 X-Received: by 2002:a5d:9856:: with SMTP id p22mr15367560ios.29.1572958261043; Tue, 05 Nov 2019 04:51:01 -0800 (PST) Date: Tue, 05 Nov 2019 04:51:01 -0800 In-Reply-To: <1572952316.2921.3.camel@suse.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000065678d059698e26c@google.com> Subject: Re: KMSAN: uninit-value in cdc_ncm_set_dgram_size From: syzbot To: davem@davemloft.net, glider@google.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, oneukum@suse.com, syzkaller-bugs@googlegroups.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+0631d878823ce2411636@syzkaller.appspotmail.com Tested on: commit: 96c6c319 net: kasan: kmsan: support CONFIG_GENERIC_CSUM on.. git tree: https://github.com/google/kmsan.git kernel config: https://syzkaller.appspot.com/x/.config?x=9e324dfe9c7b0360 dashboard link: https://syzkaller.appspot.com/bug?extid=0631d878823ce2411636 compiler: clang version 9.0.0 (/home/glider/llvm/clang 80fee25776c2fb61e74c1ecb1a523375c2500b69) patch: https://syzkaller.appspot.com/x/patch.diff?x=16b798dce00000 Note: testing is done by a robot and is best-effort only.