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_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 C185FC10F0E for ; Fri, 12 Apr 2019 11:46:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 919372171F for ; Fri, 12 Apr 2019 11:46:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727359AbfDLLqN (ORCPT ); Fri, 12 Apr 2019 07:46:13 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:36107 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726827AbfDLLqN (ORCPT ); Fri, 12 Apr 2019 07:46:13 -0400 Received: by mail-io1-f72.google.com with SMTP id a7so7635875ioq.3 for ; Fri, 12 Apr 2019 04:46:12 -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=A5MbKlZV/gN0hGXRyGBiJJWLBqEoLEmnUi7jlNLzI4k=; b=Y7/kEbZ9cNxZnVhb2kudTgtFzgsOZe5nBpWi4ITwLy+aWwh9JMcMD+c0kNQs6u2NEK i1B26vsDoJJpErgP5xalmsHfNpSo9iJBNozZ4GJ6H+HaWKqYPwAGlFbhovXS9/qRTxms iXBvqgnkSWorePglXGIgqxVFHOZA/vcp0+fuDAw8LKg3VsDjqo1sw09Wk/1+G51JerIq 4MscHeZqbHhV4B5G7Dpl01OXETs0+4BCvKk1Mxox5mHQdHQBOr5IXxilRVQc2Uos7Kd6 9LWady/tehnIhLtgVX3bnNhAQTLhbAw+nxk9puykbZewsRS0fNOQS+cE6l0z3oZrpvXN oy3w== X-Gm-Message-State: APjAAAW+guCOoiYfZ0IzxzSbaqXMmFvedeJhoi2dG04QbqZwJIXRxnTl AROGciGItOOduKb2oFNJEdbDDxznC2DPWBL62avO8jKNOcKH X-Google-Smtp-Source: APXvYqz+jh+gWIfvK7INkXwjXU4lafC4oYeE4mijMTRpTVx05WeKKIK7pYDUopXIZbqjlWq3qqZasROTnPtk2P5f1X3/RQg5vtGn MIME-Version: 1.0 X-Received: by 2002:a24:5c12:: with SMTP id q18mr3648769itb.13.1555069572113; Fri, 12 Apr 2019 04:46:12 -0700 (PDT) Date: Fri, 12 Apr 2019 04:46:12 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000727264058653d9a7@google.com> Subject: INFO: trying to register non-static key in rtl_c2hcmd_launcher From: syzbot To: andreyknvl@google.com, davem@davemloft.net, kvalo@codeaurora.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, pkshih@realtek.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 9a33b369 usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan/tree/usb-fuzzer console output: https://syzkaller.appspot.com/x/log.txt?x=14d4c1af200000 kernel config: https://syzkaller.appspot.com/x/.config?x=23e37f59d94ddd15 dashboard link: https://syzkaller.appspot.com/bug?extid=1fcc5ef45175fc774231 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15b6f0f3200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=140c7c2d200000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+1fcc5ef45175fc774231@syzkaller.appspotmail.com usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 rtl_usb: reg 0xf0, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 rtl8192cu: Chip version 0x10 rtl_usb: reg 0xa, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 rtl_usb: Too few input end points found 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-rc4-319354-g9a33b36 #3 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+0xe8/0x16e lib/dump_stack.c:113 assign_lock_key kernel/locking/lockdep.c:786 [inline] register_lock_class+0x11b8/0x1250 kernel/locking/lockdep.c:1095 __lock_acquire+0xfb/0x37c0 kernel/locking/lockdep.c:3582 lock_acquire+0x10d/0x2f0 kernel/locking/lockdep.c:4211 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x44/0x60 kernel/locking/spinlock.c:152 rtl_c2hcmd_launcher+0xd1/0x390 drivers/net/wireless/realtek/rtlwifi/base.c:2344 rtl_deinit_core+0x25/0x2d0 drivers/net/wireless/realtek/rtlwifi/base.c:574 rtl_usb_probe.cold+0x861/0xa70 drivers/net/wireless/realtek/rtlwifi/usb.c:1093 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534 hub_port_connect drivers/usb/core/hub.c:5089 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x138e/0x3b00 drivers/usb/core/hub.c:5432 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415 kthread+0x313/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN PTI CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:rtl_free_entries_from_scan_list drivers/net/wireless/realtek/rtlwifi/base.c:1933 [inline] RIP: 0010:rtl_deinit_core+0x84/0x2d0 drivers/net/wireless/realtek/rtlwifi/base.c:575 Code: 4c 89 f2 48 c1 ea 03 80 3c 02 00 0f 85 52 02 00 00 4d 8b bc 24 c8 c4 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 22 02 00 00 4d 39 f7 4d 8b 2f 4c 89 ff 0f 84 3d RSP: 0018:ffff8880a84b7278 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffffffff27960ab RDX: 0000000000000000 RSI: ffffffff88da7445 RDI: ffff888093c00b68 RBP: ffff888093c00b20 R08: ffff8880a8498000 R09: ffffed101278051d R10: ffffed101278051c R11: ffff888093c028e3 R12: ffff888093c02540 R13: ffff88821add7848 R14: ffff888093c0ea08 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ad000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd01db19000 CR3: 000000009c01a000 CR4: 00000000001406f0 Call Trace: rtl_usb_probe.cold+0x861/0xa70 drivers/net/wireless/realtek/rtlwifi/usb.c:1093 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534 hub_port_connect drivers/usb/core/hub.c:5089 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x138e/0x3b00 drivers/usb/core/hub.c:5432 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415 kthread+0x313/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 38ab7b2a1beef511 ]--- RIP: 0010:rtl_free_entries_from_scan_list drivers/net/wireless/realtek/rtlwifi/base.c:1933 [inline] RIP: 0010:rtl_deinit_core+0x84/0x2d0 drivers/net/wireless/realtek/rtlwifi/base.c:575 Code: 4c 89 f2 48 c1 ea 03 80 3c 02 00 0f 85 52 02 00 00 4d 8b bc 24 c8 c4 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 22 02 00 00 4d 39 f7 4d 8b 2f 4c 89 ff 0f 84 3d RSP: 0018:ffff8880a84b7278 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffffffff27960ab RDX: 0000000000000000 RSI: ffffffff88da7445 RDI: ffff888093c00b68 RBP: ffff888093c00b20 R08: ffff8880a8498000 R09: ffffed101278051d R10: ffffed101278051c R11: ffff888093c028e3 R12: ffff888093c02540 R13: ffff88821add7848 R14: ffff888093c0ea08 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ad000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd01db19000 CR3: 000000009c01a000 CR4: 00000000001406f0 --- 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