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 9CCBBC04AB3 for ; Mon, 27 May 2019 11:38:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7298F208CA for ; Mon, 27 May 2019 11:38:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726206AbfE0LiH (ORCPT ); Mon, 27 May 2019 07:38:07 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:42349 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726114AbfE0LiG (ORCPT ); Mon, 27 May 2019 07:38:06 -0400 Received: by mail-io1-f71.google.com with SMTP id v187so13442948ioe.9 for ; Mon, 27 May 2019 04:38:06 -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=EvVlLBGL0bMbZSXnS0Gdmap9SOaSaRB3to/I0YZeZYM=; b=Efz7Q5TVk/4+J4P4Klysy1vBeRWLXr0/1vV77H4q8AspVglYPixJ/YbuZ+75MTk+XX w30iODSseRJaTE20Qtxi1KFixKAKNM7S/xoRo5Y3WqTwVYMYGV6EpEj+jChEGb1aMaI1 Na0AuhlOXrva9xXH3RlkiQ0wq5mkPn0FyRJcd9TZTDJVRwXAVY7ynzBu2o207vbTdEIR txAL9bWia8ILk5OMGHqd61pfCKUMfBzI0v5CQrTeRlCM6lYl14Lme7JkZS0IJqy7Z7rl d4Lh/g341w+zd8V9zYAnMeVYZCmibxki3wJUeerTuSNN1x+IhvTySegJY7yRjnusiVui xvAg== X-Gm-Message-State: APjAAAXdJU//PZWw1y6pXcf5gids+rSovM+1TuFZUlDgYs0Ou1+0a4Ox wpNjSbIiNsU2ceSptULAzfTxdWFyURVrygnisqS7IPz3Ijzx X-Google-Smtp-Source: APXvYqw/eeDZQun7I1CmQXRbxyLVKcB6Jf3epBqJ0cS4pB78gs07wdj63cO49WXjDImlFDN0BdrV+pHBsS8KPUysPrHHURkA9uS+ MIME-Version: 1.0 X-Received: by 2002:a6b:7a42:: with SMTP id k2mr1902229iop.214.1558957085973; Mon, 27 May 2019 04:38:05 -0700 (PDT) Date: Mon, 27 May 2019 04:38:05 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005463aa0589dcfb85@google.com> Subject: INFO: trying to register non-static key in usbtouch_reset_resume From: syzbot To: andreyknvl@google.com, dmitry.torokhov@gmail.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, rydberg@bitmath.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 43151d6c 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=14a2b45ca00000 kernel config: https://syzkaller.appspot.com/x/.config?x=95aff7278e7ff25e dashboard link: https://syzkaller.appspot.com/bug?extid=933daad9be4e67ba91a9 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1776669aa00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+933daad9be4e67ba91a9@syzkaller.appspotmail.com usb 1-1: config 0 descriptor?? usb 1-1: string descriptor 0 read error: -71 hub 1-1:0.189: ignoring external hub input: USB Touchscreen 08f2:007f as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.189/input/input6 usb 1-1: reset high-speed USB device number 3 using dummy_hcd usb 1-1: Using ep0 maxpacket: 8 INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc3+ #8 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event 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:786 [inline] register_lock_class+0x11ae/0x1240 kernel/locking/lockdep.c:1095 __lock_acquire+0xfb/0x37c0 kernel/locking/lockdep.c:3582 lock_acquire+0x100/0x2b0 kernel/locking/lockdep.c:4211 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf9/0x12b0 kernel/locking/mutex.c:1072 usbtouch_reset_resume+0xb3/0x170 drivers/input/touchscreen/usbtouchscreen.c:1624 usb_resume_interface drivers/usb/core/driver.c:1242 [inline] usb_resume_interface.isra.0+0x187/0x3a0 drivers/usb/core/driver.c:1210 usb_resume_both+0x23d/0x780 drivers/usb/core/driver.c:1412 __rpm_callback+0x287/0x3c0 drivers/base/power/runtime.c:357 rpm_callback+0x18f/0x230 drivers/base/power/runtime.c:487 rpm_resume+0x10c2/0x1840 drivers/base/power/runtime.c:851 __pm_runtime_resume+0x103/0x180 drivers/base/power/runtime.c:1078 pm_runtime_get_sync include/linux/pm_runtime.h:227 [inline] usb_autoresume_device+0x1e/0x60 drivers/usb/core/driver.c:1599 usb_remote_wakeup+0x7b/0xb0 drivers/usb/core/hub.c:3600 hub_port_connect_change drivers/usb/core/hub.c:5190 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x23c9/0x35a0 drivers/usb/core/hub.c:5432 process_one_work+0x90a/0x1580 kernel/workqueue.c:2269 process_scheduled_works kernel/workqueue.c:2331 [inline] worker_thread+0x7ab/0xe20 kernel/workqueue.c:2417 kthread+0x30e/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 dummy_hcd dummy_hcd.0: port status 0x00010100 has changes usb 1-1: USB disconnect, device number 3 usb usb1: dummy_bus_suspend usb usb1: dummy_bus_resume dummy_hcd dummy_hcd.0: port status 0x00010101 has changes dummy_hcd dummy_hcd.0: port status 0x00100503 has changes usb 1-1: new high-speed USB device number 4 using dummy_hcd dummy_hcd dummy_hcd.0: port status 0x00100503 has changes usb 1-1: Using ep0 maxpacket: 8 usb 1-1: config 0 has an invalid interface number: 189 but max is 0 usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config usb 1-1: config 0 has no interface number 0 usb 1-1: config 0 interface 189 altsetting 0 endpoint 0x82 has an invalid bInterval 0, changing to 7 usb 1-1: New USB device found, idVendor=08f2, idProduct=007f, bcdDevice=97.17 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? usb 1-1: string descriptor 0 read error: -71 hub 1-1:0.189: ignoring external hub input: USB Touchscreen 08f2:007f as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.189/input/input7 dummy_hcd dummy_hcd.0: port status 0x00010101 has changes dummy_hcd dummy_hcd.0: port status 0x00010101 has changes dummy_hcd dummy_hcd.0: port status 0x00100503 has changes usb 1-1: reset high-speed USB device number 4 using dummy_hcd dummy_hcd dummy_hcd.0: port status 0x00100503 has changes usb 1-1: Using ep0 maxpacket: 8 usb usb1: dummy_bus_suspend usb usb1: dummy_bus_resume dummy_hcd dummy_hcd.0: port status 0x00010100 has changes usb 1-1: USB disconnect, device number 6 usb usb1: dummy_bus_suspend usb usb1: dummy_bus_resume dummy_hcd dummy_hcd.0: port status 0x00010101 has changes dummy_hcd dummy_hcd.0: port status 0x00100503 has changes usb 1-1: new high-speed USB device number 7 using dummy_hcd dummy_hcd dummy_hcd.0: port status 0x00100503 has changes usb 1-1: Using ep0 maxpacket: 8 usb 1-1: config 0 has an invalid interface number: 189 but max is 0 usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config usb 1-1: config 0 has no interface number 0 usb 1-1: config 0 interface 189 altsetting 0 endpoint 0x82 has an invalid bInterval 0, changing to 7 usb 1-1: New USB device found, idVendor=08f2, idProduct=007f, bcdDevice=97.17 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? usb 1-1: string descriptor 0 read error: -71 hub 1-1:0.189: ignoring external hub input: USB Touchscreen 08f2:007f as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.189/input/input10 dummy_hcd dummy_hcd.0: port status 0x00010101 has changes dummy_hcd dummy_hcd.0: port status 0x00010101 has changes dummy_hcd dummy_hcd.0: port status 0x00100503 has changes usb 1-1: reset high-speed USB device number 7 using dummy_hcd dummy_hcd dummy_hcd.0: port status 0x00100503 has changes usb 1-1: Using ep0 maxpacket: 8 usb usb1: dummy_bus_suspend --- 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