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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, 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 292E4C2BA15 for ; Sat, 4 Apr 2020 22:13:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F0BD0206E6 for ; Sat, 4 Apr 2020 22:13:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726388AbgDDWNF (ORCPT ); Sat, 4 Apr 2020 18:13:05 -0400 Received: from mail-il1-f197.google.com ([209.85.166.197]:46067 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726315AbgDDWNE (ORCPT ); Sat, 4 Apr 2020 18:13:04 -0400 Received: by mail-il1-f197.google.com with SMTP id p15so11037099ils.12 for ; Sat, 04 Apr 2020 15:13:04 -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=bt/1x8EyTmuUIcBDvOOh7SgGrhssirnD/BYB/4tXepA=; b=HWSm0EUv6+qCiNQhdkB/SqOrcacHRGwQwB5Ny+ufkeFQywpdW1HAZZUJanGkeVtF9g b1xtBGWVxM5/C2rZxsnoIhLbi3yn1oC0zG/b8Xvq5xfP6m8+agjL+tm/5AnUU2Sc18Nr ID+ReGDAyt3iJ3k2YUICBu+gkQrUiLsaQqnNfJveDB/b+OCGcU5vU2kHI6Pi3fuaQbeZ 6gUvRYiiaaqzwQv7kYS0pppfKhyQmRpZJzmj7LgKzHNHPsBN5k6oKyGkRbuJUFWsXv79 7ds8iYSkF8Lj6/EnqIfdl9AOjKtgPrPJcCRj/qlpOZknCYDZL2iCofq9N1tSZJPhJf8P undw== X-Gm-Message-State: AGi0PublqHbwWHMqmEVIFxQHR7Uf+DmcnnHB0VLYxuyXkwc/no1mA190 E/mWYiixPzt/fdC4yuVgalWouUe4NXWqoW556M2OWduduKPt X-Google-Smtp-Source: APiQypKcRyVBeoiDWCvZb7tswqkam9aNeXGh+t+Ou4uEcCLuNQD/97y44iDElTiQg68XVts3nXfySRjVZo8xHnjk4aisV+oXHT50 MIME-Version: 1.0 X-Received: by 2002:a92:8183:: with SMTP id q3mr14989618ilk.43.1586038384055; Sat, 04 Apr 2020 15:13:04 -0700 (PDT) Date: Sat, 04 Apr 2020 15:13:04 -0700 In-Reply-To: <20200404183707.GK45598@mit.edu> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007b5aea05a27e5637@google.com> Subject: Re: WARNING in ext4_da_update_reserve_space From: syzbot To: a@unstable.cc, adilger.kernel@dilger.ca, b.a.t.m.a.n@diktynna.open-mesh.org, benh@kernel.crashing.org, davem@davemloft.net, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, mareklindner@neomailbox.ch, mpe@ellerman.id.au, muriloo@linux.ibm.com, netdev@vger.kernel.org, paulus@samba.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" 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+67e4f16db666b1c8253c@syzkaller.appspotmail.com Tested on: commit: 54d3adbc ext4: save all error info in save_error_info() an.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev kernel config: https://syzkaller.appspot.com/x/.config?x=4527d1e2fb19fd5c dashboard link: https://syzkaller.appspot.com/bug?extid=67e4f16db666b1c8253c compiler: gcc (GCC) 9.0.0 20181231 (experimental) Note: testing is done by a robot and is best-effort only.