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=unavailable 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 E80F9C433E0 for ; Thu, 11 Jun 2020 10:38:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CE042206C3 for ; Thu, 11 Jun 2020 10:38:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727063AbgFKKiN convert rfc822-to-8bit (ORCPT ); Thu, 11 Jun 2020 06:38:13 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:41339 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726708AbgFKKiN (ORCPT ); Thu, 11 Jun 2020 06:38:13 -0400 Received: by mail-il1-f200.google.com with SMTP id x63so3673333ilk.8 for ; Thu, 11 Jun 2020 03:38:12 -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 :content-transfer-encoding; bh=AQLdjmCgHzp8A+RqPHJ2O1m5rhOO5LKPDxCGVnLpc48=; b=sasSdk/6uDZ72tOuyu7fy3xeKe2cHCKXnL3MKHHRxOV3wjhh4coeoBDnp3VoGPIEKL 7t03Vg+//A2hk3FuU9/uUYbjmbKUI9be+aIGPxyVNkBvDwrqduFrWBU08dTq286jfsiI 3J/FD59jU0LvlpOCOpovb+Kk12f3CcUNNv1weBRflPbVFZntizNTku568i4OBcZFZnaa KC/+OecV1AjOZdCqcNl+ryB3rNicTnLhutnWRtarbTUQMZy2kIhTpcKDuWgM+BhXwHNq /sllmP3RthsobVwvfwmLHXQiOO8yzropR6iiAzs5w8DYvb00irDS5/xOKoUW/UjbGjpL LsMw== X-Gm-Message-State: AOAM531wzVxCgoI6POCcG3sjKZHm7WZsgV2cH+pNwW1nZescsJjj9oRE 0PRg6HO/VNhZK6j5agb724oW8wfeIdoK3eedhgiV22SajDGJ X-Google-Smtp-Source: ABdhPJzOX8Wqwb4v5qluuG/gQ31aI+V+FGtq49kV5ysnC6Kb9d8nStOlljEIzcFTkg06TYY27SIEYZE0oQYcLWfe2SCfm+o32nLl MIME-Version: 1.0 X-Received: by 2002:a92:b69b:: with SMTP id m27mr7346407ill.271.1591871892122; Thu, 11 Jun 2020 03:38:12 -0700 (PDT) Date: Thu, 11 Jun 2020 03:38:12 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a8723f05a7cc8e14@google.com> Subject: upstream test error: BUG: using smp_processor_id() in preemptible code in corrupted From: syzbot To: adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 84fc461d Merge tag 'for-linus-5.8-rc1' of git://git.kernel.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17e35a36100000 kernel config: https://syzkaller.appspot.com/x/.config?x=28f5490cd437fcf dashboard link: https://syzkaller.appspot.com/bug?extid=97028e7ff04ca4e3d85f compiler: gcc (GCC) 9.0.0 20181231 (experimental) IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+97028e7ff04ca4e3d85f@syzkaller.appspotmail.com [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Updat[ 68.080829][ T6736] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6736 e UTMP about Sys[ 68.090431][ T6736] caller is ext4_mb_new_blocks+0xa77/0x3b30 fs/ext4/mballoc.c:4711 tem Runlevel Cha[ 68.098400][ T6736] CPU: 0 PID: 6736 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 nges. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.243' (ECDSA) to the list of known hosts. 2020/06/10 20:51:27 fuzzer started 2020/06/10 20:51:27 connecting to host at 10.128.0.26:39073 2020/06/10 20:51:27 checking machine... 2020/06/10 20:51:27 checking revisions... 2020/06/10 20:51:27 testing simple program... 2020/06/10 20:51:29 building call list... executing program --- 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#status for how to communicate with syzbot.