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 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 0BA90C433E1 for ; Mon, 18 May 2020 18:23:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E946920643 for ; Mon, 18 May 2020 18:23:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732795AbgERSXW (ORCPT ); Mon, 18 May 2020 14:23:22 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:56747 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732115AbgERSXT (ORCPT ); Mon, 18 May 2020 14:23:19 -0400 Received: by mail-il1-f200.google.com with SMTP id v87so10600905ill.23 for ; Mon, 18 May 2020 11:23:18 -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=5GDXvHftE40qhmbLit/31FtiAnQnj7YGrZQtgyNVNzo=; b=hR45l0c89koZZuTIxiEMm3+lO0RqdHMGVeommZvRJrB09jsam51aaBYDKrcDBPk1dn NDyWiS+UD1EBUhImBSjQwL0JetCxn59uujsJ4kXt4GIMFZIePEZOVNgvHsTuQWwO4uOn aZZLzb48Oue5/56/cPo7DNO+GxTZkZHuhfJcSNetZL2uebzNaVbJlGV8E9GtbYYIcP2F GOrenZicdCZpgpniXal2jiZqkgi6Y2gEpLMOxyMLwIUg3YuUto05LB8+1TiJLr/bLk38 sB8wf0sy77XXSBYgf830ow9rFs7VYbOy8+VPy25F5CvfS5eus2nJRK+R45TFhP8Spxhe Txfw== X-Gm-Message-State: AOAM532EZSjNB2YH3EvnKLk2I4Gx2fplDlWMpxsx4a1wHn2FFlBZfe0c C6qVvDNPZcgWk1L9XOPHOqZcr7lLZ8HQPnUR85RQbPMyFe/j X-Google-Smtp-Source: ABdhPJz6jvTBhzuO2kUg4MtSU0NvJqHYnHhWe7phBqOIpbNawC/RTHy4kiwFQGpTluxeMeHx/JQvrVWZmg3jKp6cwrUtABmOoCbp MIME-Version: 1.0 X-Received: by 2002:a02:77c7:: with SMTP id g190mr16476344jac.14.1589826198161; Mon, 18 May 2020 11:23:18 -0700 (PDT) Date: Mon, 18 May 2020 11:23:18 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000cbcdae05a5f041db@google.com> Subject: INFO: trying to register non-static key in clear_inode From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 5a9ffb95 Merge tag '5.7-rc5-smb3-fixes' of git://git.samba.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=175e90d6100000 kernel config: https://syzkaller.appspot.com/x/.config?x=c14212794ed9ad24 dashboard link: https://syzkaller.appspot.com/bug?extid=78cf4962d1cf5f23a0c9 compiler: gcc (GCC) 9.0.0 20181231 (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+78cf4962d1cf5f23a0c9@syzkaller.appspotmail.com INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 235 Comm: kworker/u4:5 Not tainted 5.7.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: krdsd rds_tcp_accept_worker Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 assign_lock_key kernel/locking/lockdep.c:913 [inline] register_lock_class+0x1664/0x1760 kernel/locking/lockdep.c:1225 __lock_acquire+0x104/0x4c50 kernel/locking/lockdep.c:4234 lock_acquire+0x1f2/0x8f0 kernel/locking/lockdep.c:4934 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x5b/0x80 kernel/locking/spinlock.c:167 spin_lock_irq include/linux/spinlock.h:378 [inline] clear_inode+0x1b/0x1e0 fs/inode.c:529 evict+0x4ee/0x650 fs/inode.c:579 iput_final fs/inode.c:1572 [inline] iput+0x536/0x8c0 fs/inode.c:1598 __sock_release+0x20c/0x280 net/socket.c:617 rds_tcp_accept_one+0x582/0xb70 net/rds/tcp_listen.c:251 rds_tcp_accept_worker+0x50/0x80 net/rds/tcp.c:525 process_one_work+0x965/0x16a0 kernel/workqueue.c:2268 worker_thread+0x96/0xe20 kernel/workqueue.c:2414 kthread+0x388/0x470 kernel/kthread.c:268 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351 --- 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.