Received: by 2002:a25:31c3:0:0:0:0:0 with SMTP id x186csp6590652ybx; Mon, 11 Nov 2019 11:27:09 -0800 (PST) X-Google-Smtp-Source: APXvYqySpMjtYkLrby1vVgqwEQOU2MKWApP67DD1VZUioHaSiTagI+wHTw21P/CSPzUZOdzEyclU X-Received: by 2002:aa7:d552:: with SMTP id u18mr28471405edr.86.1573500429794; Mon, 11 Nov 2019 11:27:09 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1573500429; cv=none; d=google.com; s=arc-20160816; b=P5gc6FcXjgHB8G8upmFMf+VeUobV7Mnoou3OYRo1rmMnpUeSwKQUXQLRT52rH9oFl1 BZMC4pLAm72JfU83hviuajTlDRfW2kLKfJasaAkeEf8rGiDxkHjX4p43VgRLMFEZ0bXb y7zH16oMUXlkwH3YL5FplGd6kS1w8Qgc4V7VjSc6+84IRMUEkVF8sDJBu3vOh+wmFOux xEkz9/GA60ZCN8fWuBZW1o+Ka92xIoRWc1NphfNxDVM2l2LSHPIsv6eoOAPQzB43+BPZ UppDD0vODm98CN9buTWj39tiA0Kk6aMlxYr5Ikz5Z2d1soOHxrx9wZlgrM1wlIwR8kvw sfIA== 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=r0YjuwzIebyQaRt0NCBTzFXK/e7I0JZCjM3cB55KQAc=; b=SFV4oXbI7APdOClWX0u5tLcGubiRnRtU0x54kUgbQq/Ak/AwFNrHZNMixn7lUwFoSI T9UeEV73AoeQZFmbdN7eTZq4lYDVARBWB/9iz1GVAc0ME3T5TRouppGL0RhWtEyyEm+6 ePT7zCJDTC6hfork9jctMO4BrncMO8T11qzyIg6HbBdfUVy6JST2q555V24DD5Yq1ybK KnM7W4J2ykS4MtWW48KYQ/brgdmounUzrKGbZ5rG0eLObSPvY/g4x54Q2ZbQMFD8beun bV3grM9ay0tCpOFv9KAJ7NUeLfI7MDTZM/LzXNv0wz/jXrO8ieW6jJmvYHCVHVvrv5vP eSug== 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 f2si11428645eda.339.2019.11.11.11.26.45; Mon, 11 Nov 2019 11:27:09 -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 S1727419AbfKKTZC (ORCPT + 99 others); Mon, 11 Nov 2019 14:25:02 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:46691 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726950AbfKKTZB (ORCPT ); Mon, 11 Nov 2019 14:25:01 -0500 Received: by mail-il1-f198.google.com with SMTP id i74so17807558ild.13 for ; Mon, 11 Nov 2019 11:25:01 -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=r0YjuwzIebyQaRt0NCBTzFXK/e7I0JZCjM3cB55KQAc=; b=i9ZLtjy6aqhFsn9asRAL4OS+ozgc+t1GJYuevRrTHu0DWSTeg/LvVsw/2Gd/cZCRYL vuZT6zNuLB8TpMItBy64p37nb6cilb8hyEMymvF9l7tVUkaWiqReYHCasiq9l1Ozimgh L7TYo/CmoEK2AgLdQyEdieWZgIJTCds19cjwa8rrJLu2eckgIsMrSy/Xm88UGsCGyeGn 2oIdW0X7MfwB6ydGNCbsMfBlvYF8UEik+jJ+6Lq4uS0f+B3qKqPhKpWIAOjX0wHmBSR5 wzC64FdKF8YNtLsx+pygtRjdGXME3J1xW3Iy1twmqwJYGeUVGWzOvqsjyQ9fL59KxhGy jrpA== X-Gm-Message-State: APjAAAWj8KE6eSTPvGxHuuocqUR2eU5tDjNacLnaBArQgVQ53uz4RdiD T5k/pNY/jEBFxXdgPmIKtpwmpVmTt4jGvfmnovapqDAZ0zMN MIME-Version: 1.0 X-Received: by 2002:a02:b792:: with SMTP id f18mr2173501jam.32.1573500300671; Mon, 11 Nov 2019 11:25:00 -0800 (PST) Date: Mon, 11 Nov 2019 11:25:00 -0800 In-Reply-To: <20191111182417.GB5165@mit.edu> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000079c18b059717166e@google.com> Subject: Re: general protection fault in ext4_writepages From: syzbot To: adilger.kernel@dilger.ca, jack@suse.cz, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, riteshh@linux.ibm.com, syzkaller-bugs@googlegroups.com, tytso@mit.edu 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+9567fda428fba259deba@syzkaller.appspotmail.com Tested on: commit: 4d06bfb9 ext4: Add error handling for io_end_vec struct al.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git test kernel config: https://syzkaller.appspot.com/x/.config?x=2cc209e226c8fbbd dashboard link: https://syzkaller.appspot.com/bug?extid=9567fda428fba259deba compiler: gcc (GCC) 9.0.0 20181231 (experimental) Note: testing is done by a robot and is best-effort only.