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,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 AB662C73C7C for ; Wed, 10 Jul 2019 11:07:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8DA2320665 for ; Wed, 10 Jul 2019 11:07:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727231AbfGJLH0 (ORCPT ); Wed, 10 Jul 2019 07:07:26 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:45646 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727030AbfGJLHJ (ORCPT ); Wed, 10 Jul 2019 07:07:09 -0400 Received: by mail-io1-f71.google.com with SMTP id e20so2438580ioe.12 for ; Wed, 10 Jul 2019 04:07:09 -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=hv0vy7ZJWnUYzBFo0bloao/Xl9soIKCPd2v/8FZXHxc=; b=mV8IlgFao8sUHNgqBGC/oPKZQtaaG0Q+zcF3Fd4ix7UkoHOukv2E1SuK6YBztvGviB z0EtwTHE6MYjnAzFJBlUQNAuy8QwBZcl6Jm8vRrxKu9nmmcN7b+0hdsjiwF39w3MOaiS IRSd6HODYnuXKsbRKc9SInqFgOoXBvfi2b51Eii+UDC/pyWizHE9mNZTnBjvVeAPz+F5 d3kxJv5dZECJUDZrGe6C5rm40geJgPrTzsn5LzWWUhGSTRQ5OzuZH6b2e6lNmoIGhaKb BDY6jYhwGQtbm5v6Vyw+KArAVOFfa2OQDwVS3JOGZXJ9bW9IXpDUekNRs4aGuXAb/VuF KdCA== X-Gm-Message-State: APjAAAUn1dhuRKZ8LPYyRlJsQihwxSemCy+WYLktuWytd9riUsUGVZcO 5BV3T9anqnAdDbxhzvIDo0mkQlTiktQ9oeVXZJoCDmZbsfp5 X-Google-Smtp-Source: APXvYqxEEGS/ghj/1vE7ea05Uht+o+rbVNxtrazAxFRZpWclqstSRdP+wA0klStRB8FjeBzTQnxuUoHvqJ74LwHD6lvYE/I45Zuk MIME-Version: 1.0 X-Received: by 2002:a6b:6001:: with SMTP id r1mr6903652iog.229.1562756828714; Wed, 10 Jul 2019 04:07:08 -0700 (PDT) Date: Wed, 10 Jul 2019 04:07:08 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a55d7d058d51ad4f@google.com> Subject: WARNING in gpio_to_desc From: syzbot To: andreyknvl@google.com, bgolaszewski@baylibre.com, linus.walleij@linaro.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 7829a896 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=136a97d8600000 kernel config: https://syzkaller.appspot.com/x/.config?x=f6d4561982f71f63 dashboard link: https://syzkaller.appspot.com/bug?extid=cf35b76f35e068a1107f compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15660838600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15ff38cfa00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+cf35b76f35e068a1107f@syzkaller.appspotmail.com usb 1-1: config 0 interface 60 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 0 usb 1-1: New USB device found, idVendor=1286, idProduct=2046, bcdDevice=33.1a usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? usb 1-1: NFC: intf 000000003523355a id 0000000011a20f39 nfcmrvl 1-1:0.60: NFC: failed to request reset_n io ------------[ cut here ]------------ invalid GPIO -22 WARNING: CPU: 1 PID: 21 at drivers/gpio/gpiolib.c:124 gpio_to_desc drivers/gpio/gpiolib.c:124 [inline] WARNING: CPU: 1 PID: 21 at drivers/gpio/gpiolib.c:124 gpio_to_desc+0x152/0x1f0 drivers/gpio/gpiolib.c:106 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #13 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 panic+0x292/0x6c9 kernel/panic.c:219 __warn.cold+0x20/0x4b kernel/panic.c:576 report_bug+0x262/0x2a0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:272 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:986 RIP: 0010:gpio_to_desc drivers/gpio/gpiolib.c:124 [inline] RIP: 0010:gpio_to_desc+0x152/0x1f0 drivers/gpio/gpiolib.c:106 Code: 00 00 77 13 e8 cf e0 57 ff 4c 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 bc e0 57 ff 89 ee 48 c7 c7 80 24 db 85 e8 59 a5 2d ff <0f> 0b eb d6 e8 a5 e0 57 ff 48 c7 c7 80 d6 08 87 4c 89 f6 e8 f6 23 RSP: 0018:ffff8881d9eff138 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8881d1605180 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3dfe19 RBP: 00000000ffffffea R08: ffff8881d9e36000 R09: ffffed103b663ed7 R10: ffffed103b663ed6 R11: ffff8881db31f6b7 R12: ffff8881d1605180 R13: 0000000000000000 R14: 0000000000000293 R15: 0000000000000000 __gpio_set_value include/asm-generic/gpio.h:104 [inline] gpio_set_value include/linux/gpio.h:71 [inline] nfcmrvl_chip_halt+0x4e/0x70 drivers/nfc/nfcmrvl/main.c:259 nfcmrvl_nci_register_dev+0x2d4/0x378 drivers/nfc/nfcmrvl/main.c:176 nfcmrvl_probe+0x4e9/0x5e0 drivers/nfc/nfcmrvl/usb.c:344 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_new_device.cold+0x8c1/0x1016 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+0x1ada/0x3590 drivers/usb/core/hub.c:5432 process_one_work+0x905/0x1570 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x30b/0x410 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds.. --- 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