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=-5.7 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 4F1E0C04AB5 for ; Mon, 3 Jun 2019 13:31:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2863F27DB1 for ; Mon, 3 Jun 2019 13:31:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728710AbfFCNbK (ORCPT ); Mon, 3 Jun 2019 09:31:10 -0400 Received: from mail-it1-f198.google.com ([209.85.166.198]:56760 "EHLO mail-it1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726842AbfFCNbF (ORCPT ); Mon, 3 Jun 2019 09:31:05 -0400 Received: by mail-it1-f198.google.com with SMTP id l124so15087512itg.6 for ; Mon, 03 Jun 2019 06:31:05 -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=Xd9c0wiNMk6Apek2lhhQ7MeiJewPRVMefJXoiTf1Kzk=; b=dC8SDWeJdUCpImWH3D7olFYtX+dlGXJDQ83GmFRW25BtXzfLJoXEXDz2SYtZiqUMD/ d4wbF3CktV9B7/ahndaXzdbKV2snuqgTUe8pWoVrj3PfdnCHT+8/5FH8kNgyCoqNzibe i3+HAQjp2so7sxumCqWEaK54QjCjcgZyrOCB6P4ujGN9PJn4UGEGicJajWsTjoJymsgw ZClT0rqighHf4l6HQ2MHp9MyDJz3VhttpNgDalnNYyzgFQEHz3Bbqe1/HswxaPpBTDSE iA0E6LKAMvN4SgiUPBbP+WnShV8V0KHNTZRGzfoROvSa9NijPjwPd/RPqHkwHjsb8eNT TsIA== X-Gm-Message-State: APjAAAUH6fQpv7A53715yT21KjuediI6Q30Fm/kHyJ+Tt3tV4DSeKOh0 58ETA1oNlc8903IfZo1K+2oIS3lAC/4DkbwNswTNR/VlYWcP X-Google-Smtp-Source: APXvYqzgujQbAIS/Q+3FyQrH3nuh9kfgM04XgvloUsUlk8OX4StVb91+53wTYXM1u9UxnN/Ag0AEck9BFvOQ2gzYiBIaW0D8pNES MIME-Version: 1.0 X-Received: by 2002:a24:6e90:: with SMTP id w138mr17164666itc.150.1559568664806; Mon, 03 Jun 2019 06:31:04 -0700 (PDT) Date: Mon, 03 Jun 2019 06:31:04 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000044cec9058a6b6003@google.com> Subject: INFO: trying to register non-static key in mwifiex_unregister_dev From: syzbot To: amitkarwar@gmail.com, andreyknvl@google.com, davem@davemloft.net, gbhat@marvell.com, huxinming820@gmail.com, kvalo@codeaurora.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, nishants@marvell.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 69bbe8c7 usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git usb-fuzzer console output: https://syzkaller.appspot.com/x/log.txt?x=1448d0f2a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=193d8457178b3229 dashboard link: https://syzkaller.appspot.com/bug?extid=373e6719b49912399d21 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16e57ca6a00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1106eda2a00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+373e6719b49912399d21@syzkaller.appspotmail.com usb 1-1: Using ep0 maxpacket: 8 usb 1-1: config 0 has an invalid interface number: 182 but max is 0 usb 1-1: config 0 has no interface number 0 usb 1-1: New USB device found, idVendor=1286, idProduct=2052, bcdDevice=61.43 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? usb 1-1: Direct firmware load for mrvl/usbusb8997_combo_v4.bin failed with error -2 usb 1-1: Failed to get firmware mrvl/usbusb8997_combo_v4.bin usb 1-1: info: _mwifiex_fw_dpc: unregister device INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc1+ #10 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 assign_lock_key kernel/locking/lockdep.c:774 [inline] register_lock_class+0x11ae/0x1240 kernel/locking/lockdep.c:1083 __lock_acquire+0x11d/0x5340 kernel/locking/lockdep.c:3673 lock_acquire+0x100/0x2b0 kernel/locking/lockdep.c:4302 del_timer_sync+0x3a/0x130 kernel/time/timer.c:1277 mwifiex_usb_cleanup_tx_aggr drivers/net/wireless/marvell/mwifiex/usb.c:1358 [inline] mwifiex_unregister_dev+0x416/0x690 drivers/net/wireless/marvell/mwifiex/usb.c:1370 _mwifiex_fw_dpc+0x577/0xda0 drivers/net/wireless/marvell/mwifiex/main.c:651 request_firmware_work_func+0x126/0x242 drivers/base/firmware_loader/main.c:785 process_one_work+0x905/0x1570 kernel/workqueue.c:2268 worker_thread+0x96/0xe20 kernel/workqueue.c:2414 kthread+0x30b/0x410 kernel/kthread.c:254 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 ------------[ cut here ]------------ ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 1 PID: 21 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325 --- 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. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches