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=-9.0 required=3.0 tests=BAYES_00,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 EEB8DC433E0 for ; Fri, 31 Jul 2020 16:54:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D6EBF22B3F for ; Fri, 31 Jul 2020 16:54:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733127AbgGaQyX (ORCPT ); Fri, 31 Jul 2020 12:54:23 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:39840 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732970AbgGaQyW (ORCPT ); Fri, 31 Jul 2020 12:54:22 -0400 Received: by mail-il1-f199.google.com with SMTP id i66so13664604ile.6 for ; Fri, 31 Jul 2020 09:54:21 -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=eBgrKQgetDK1Zn56OoxluDo5PjxwfEKYs/QHbyKlBBU=; b=A2xRfnDUafkVBreL8yhXy5bbspjAAvXqjknHzOSAsxEVqmyvcwzJtzbN1Qslv6KCLk 9fCcFc321OjAu/m+mlBZ2q+rlZlF7R7hjt4OEDKY4J5+c9UAYbRU/GbTz4mDPopI0FPC HxXrXZkO3gAIsiGMDaCcREN9Pu+v3q5WXjVN08RPFwWudiHovAw46UoHecoGozj1NXe9 eZdftOdma/a73F8EYlID7QY8FLmqkjz+cDIBL57K27Y6MJsvoHoiyEoPpaHpcKapTetO Q2Gt/mdhqkovwBbdP3WSNrBynn9v4KBpHWakhpBrJ3L+UF3/1HOBE7/pyL/b5jt7cs9F kg7w== X-Gm-Message-State: AOAM531ZIzonRl+ELhjg5K/hUTzmPcXvBMjbWzFzWXbTEYgUuCyCuedY A+9k/1YhMAiJM5iyeudjcPNZjZrXa0YaKJFKCjYfoQAuJBOP X-Google-Smtp-Source: ABdhPJzaSTz1SnrId/zd7MDfvEa0UoNTFZIqjC7NL6DP4uHj4qPo6tHc/AEzuVgOLgtWDRneKBwcdzLIwXNrIx4b6bAPYqH4N/qD MIME-Version: 1.0 X-Received: by 2002:a92:874a:: with SMTP id d10mr4688320ilm.273.1596214461567; Fri, 31 Jul 2020 09:54:21 -0700 (PDT) Date: Fri, 31 Jul 2020 09:54:21 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f796a105abbfa33d@google.com> Subject: INFO: trying to register non-static key in skb_queue_purge From: syzbot To: davem@davemloft.net, johan.hedberg@gmail.com, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 83bdc727 random32: remove net_rand_state from the latent e.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11088204900000 kernel config: https://syzkaller.appspot.com/x/.config?x=e59ee776d5aa8d55 dashboard link: https://syzkaller.appspot.com/bug?extid=99efc1c133eff186721a compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12429014900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12dbc404900000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+99efc1c133eff186721a@syzkaller.appspotmail.com IPVS: ftp: loaded support on port[0] = 21 INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 0 PID: 6819 Comm: syz-executor370 Not tainted 5.8.0-rc7-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+0x1f0/0x31e lib/dump_stack.c:118 register_lock_class+0xf06/0x1520 kernel/locking/lockdep.c:893 __lock_acquire+0x102/0x2c30 kernel/locking/lockdep.c:4259 lock_acquire+0x160/0x720 kernel/locking/lockdep.c:4959 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x9e/0xc0 kernel/locking/spinlock.c:159 skb_dequeue net/core/skbuff.c:3038 [inline] skb_queue_purge+0x2e/0x1c0 net/core/skbuff.c:3076 l2cap_conn_del+0x3de/0x650 net/bluetooth/l2cap_core.c:1890 hci_disconn_cfm include/net/bluetooth/hci_core.h:1355 [inline] hci_conn_hash_flush+0x127/0x200 net/bluetooth/hci_conn.c:1536 hci_dev_do_close+0xb7b/0x1040 net/bluetooth/hci_core.c:1761 hci_unregister_dev+0x16d/0x1590 net/bluetooth/hci_core.c:3606 vhci_release+0x73/0xc0 drivers/bluetooth/hci_vhci.c:340 __fput+0x2f0/0x750 fs/file_table.c:281 task_work_run+0x137/0x1c0 kernel/task_work.c:135 exit_task_work include/linux/task_work.h:25 [inline] do_exit+0x601/0x1f80 kernel/exit.c:805 do_group_exit+0x161/0x2d0 kernel/exit.c:903 __do_sys_exit_group+0x13/0x20 kernel/exit.c:914 __se_sys_exit_group+0x10/0x10 kernel/exit.c:912 __x64_sys_exit_group+0x37/0x40 kernel/exit.c:912 do_syscall_64+0x73/0xe0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x444fe8 Code: Bad RIP value. RSP: 002b:00007ffe95cf39a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000444fe8 RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00000000004cce10 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 00007fa6b64e3700 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006e0200 R14: 00000000011eb850 R15: 0000000000000001 --- This report 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 issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches