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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 A601CC43334 for ; Thu, 6 Sep 2018 08:21:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 66D802077C for ; Thu, 6 Sep 2018 08:21:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 66D802077C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728069AbeIFMzU (ORCPT ); Thu, 6 Sep 2018 08:55:20 -0400 Received: from mail-it0-f72.google.com ([209.85.214.72]:57742 "EHLO mail-it0-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725981AbeIFMzU (ORCPT ); Thu, 6 Sep 2018 08:55:20 -0400 Received: by mail-it0-f72.google.com with SMTP id e6-v6so11262705itc.7 for ; Thu, 06 Sep 2018 01:21:03 -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:message-id:subject:from:to; bh=peSZ2dhR9PHQkvcEFt8LyPSg2Wty/ErBz2nF44IfNwk=; b=IO/xFgFZ/YhOaojFnYw3zt+tQajf2yTSumef1IbZUde3OQuyoieQyO3D+kr/hMFsm/ 7JZUyuu149HXVPM0SapCmFxHjNJz7yA8pXsEPbSKUwG8hxoS8MSkbgzomO2FERSBnBm0 gLt7isHnFLdxCVTT2nwSr1MLfgHiganoZU4copCfDVF/YZ+ZHHydOaVfvjJIzaoIQiua HEai1DuskCVEjMXMcrRxqVCoI8nPXv9Du5dwgQ9+dUC1+uxcBAxpU451NQyksG1pBRBr aLMK4pFwxmc2BrftCrQzzPvzfW0KRJUC4P9McOKC61YIo3o4HCjzHvbH9H7AskrojPUu rGjw== X-Gm-Message-State: APzg51CsuHta9X1A9C5w+kLlGZt829944TcbX0GG9ifyz4HhqJVTkJaN eBmaCA79lzprRQIALQ7y/Ykic8yF+ZV3pRZDEo9Yz5abK8wK X-Google-Smtp-Source: ANB0Vda/6SbAOy2Veqi8bXGZJ/Oj6y6rfF7mCqTLKuTrYtZgA2gQLGvkPUn7JZ7mY4sqwih6R+4qpMUgXwVGpEYU8UFGfK8uTaNi MIME-Version: 1.0 X-Received: by 2002:a24:56ce:: with SMTP id o197-v6mr1800792itb.32.1536222063262; Thu, 06 Sep 2018 01:21:03 -0700 (PDT) Date: Thu, 06 Sep 2018 01:21:03 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006082bd05752f92bb@google.com> Subject: linux-next boot error (2) From: syzbot To: akpm@linux-foundation.org, alexander.levin@verizon.com, dhowells@redhat.com, linux-kernel@vger.kernel.org, linux@dominikbrodowski.net, luc.vanoostenryck@gmail.com, nikolaus.voss@loewensteinmedical.de, sfr@canb.auug.org.au, 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 found the following crash on: HEAD commit: 509d1f0c294a Add linux-next specific files for 20180906 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=157b857a400000 kernel config: https://syzkaller.appspot.com/x/.config?x=d1a648893bbc933 dashboard link: https://syzkaller.appspot.com/bug?extid=762a577f56cfb1574647 compiler: gcc (GCC) 8.0.1 20180413 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+762a577f56cfb1574647@syzkaller.appspotmail.com kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) driver: sd 0801 2096128 sda1 24d8ab2f-01 1f00 128 mtdblock0 (driver?) Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1) CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.19.0-rc2-next-20180906+ #60 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 mount_block_root+0x61f/0x71f init/do_mounts.c:442 mount_root+0x2d0/0x317 init/do_mounts.c:562 prepare_namespace+0x26c/0x2ab init/do_mounts.c:621 kernel_init_freeable+0x590/0x5ae init/main.c:1163 kernel_init+0x11/0x1b3 init/main.c:1063 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with syzbot.