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_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 59339C433DF for ; Fri, 5 Jun 2020 02:02:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3EA11207D3 for ; Fri, 5 Jun 2020 02:02:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726068AbgFECCV (ORCPT ); Thu, 4 Jun 2020 22:02:21 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:56249 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725497AbgFECCV (ORCPT ); Thu, 4 Jun 2020 22:02:21 -0400 Received: by mail-il1-f198.google.com with SMTP id l20so4902623ilk.22 for ; Thu, 04 Jun 2020 19:02:19 -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=4rcueDE6zN7DRRKwO+S7Sh4oUwAm56CiDtVj9788tc0=; b=BBkeWUEylO1rBktu6iWJjxqITQDMUSATam7EqDDPFj1Upr0oV8TXZ7zJhUOU/iaHyh ojVj/57KxaJEhHZ7RTU5Zwfe4MiBg4RVAdcFkV9FhulyQoglY/QFrqQY1ICz9QUhwC+W StGC1RxLYvdP5g+5XONp54x9/La1adVt3tbkNEXhVHBux5hVkbO90nc2p11ku5FEPqQ7 GYOtMqPdxe8jgUg+55pGegAJYA9u5PsJ8Uvzi5DhCDc61b35UXTqxYP0VBdG0FEUiu2H JK6QdZbEeagui8PPyVqzsBMxATgfTdZJCW2DshjDcOxCJrGw3wmwPRxivE7upbVFvwer 2KZg== X-Gm-Message-State: AOAM5324aFBjtBwzksq4aja/vQq5KHnlqk4dUZosjwAUn3eYvc7Dy3pS f8AU2OMzD9Jg3QhTlkCbwreqi2H+Vwu3sKLZGiCJe776oI2E X-Google-Smtp-Source: ABdhPJwn6iMhHcIMJ4Cst6v/CJSQLfOI0lmzwZsatfmQ5asx8AtEQcplJ+OCDFRmExBxWwU+vH6o0TkPdU7g27IJoghKIzVu4vmb MIME-Version: 1.0 X-Received: by 2002:a02:908b:: with SMTP id x11mr6533785jaf.41.1591322538916; Thu, 04 Jun 2020 19:02:18 -0700 (PDT) Date: Thu, 04 Jun 2020 19:02:18 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a7be4a05a74ca69a@google.com> Subject: linux-next test error: BUG: using smp_processor_id() in preemptible [ADDR] code: systemd-rfkill/6728 From: syzbot To: adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 0e21d462 Add linux-next specific files for 20200602 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=10461661100000 kernel config: https://syzkaller.appspot.com/x/.config?x=ecc1aef35f550ee3 dashboard link: https://syzkaller.appspot.com/bug?extid=aed048f49c59eb997737 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+aed048f49c59eb997737@syzkaller.appspotmail.com BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6728 caller is ext4_mb_new_blocks+0xa4d/0x3b70 fs/ext4/mballoc.c:4711 CPU: 1 PID: 6728 Comm: systemd-rfkill Not tainted 5.7.0-next-20200602-syzkaller #0 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+0x18f/0x20d lib/dump_stack.c:118 check_preemption_disabled+0x20d/0x220 lib/smp_processor_id.c:48 ext4_mb_new_blocks+0xa4d/0x3b70 fs/ext4/mballoc.c:4711 ext4_ext_map_blocks+0x201b/0x33e0 fs/ext4/extents.c:4244 ext4_map_blocks+0x4cb/0x1640 fs/ext4/inode.c:626 ext4_getblk+0xad/0x520 fs/ext4/inode.c:833 ext4_bread+0x7c/0x380 fs/ext4/inode.c:883 ext4_append+0x153/0x360 fs/ext4/namei.c:67 ext4_init_new_dir fs/ext4/namei.c:2757 [inline] ext4_mkdir+0x5e0/0xdf0 fs/ext4/namei.c:2802 vfs_mkdir+0x419/0x690 fs/namei.c:3632 do_mkdirat+0x21e/0x280 fs/namei.c:3655 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f9ffaa79687 Code: Bad RIP value. RSP: 002b:00007ffeb3197c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 000055c2e6155985 RCX: 00007f9ffaa79687 RDX: 00007ffeb3197b00 RSI: 00000000000001ed RDI: 000055c2e6155985 RBP: 00007f9ffaa79680 R08: 0000000000000100 R09: 0000000000000000 R10: 000055c2e6155980 R11: 0000000000000246 R12: 00000000000001ed R13: 00007ffeb3197dc0 R14: 0000000000000000 R15: 0000000000000000 --- 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.