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=ham 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 8C263C2BCA1 for ; Fri, 7 Jun 2019 10:33:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6AD6B212F5 for ; Fri, 7 Jun 2019 10:33:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728227AbfFGKdH (ORCPT ); Fri, 7 Jun 2019 06:33:07 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:48687 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726584AbfFGKdG (ORCPT ); Fri, 7 Jun 2019 06:33:06 -0400 Received: by mail-io1-f72.google.com with SMTP id z19so1320356ioi.15 for ; Fri, 07 Jun 2019 03:33:06 -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=ri4kh7VquzQYNilePfGGXnzZVizwUC0xdIzwwyPw8Jg=; b=jpS7VCrAvV89GHffjz0BRJSt94iDpuLU8sOoKi1i8RpgHjPwAPpjHIfCxrtKz6ER2t zHvn7ogrfk+5MIQ4uaK635BA8p22ZNdeOGVOK0G3ZdoaZ4e6m6DOJdN97O2cKcOeg3X9 kG6JjDAYKpEc12Gq7w+zuolWB1q6nj3Yixu+crqNt53n2AJdtjodi4XpB67fmeP8wUek 6LuNBWAqPAp5mvoSn12hKU0kHftlVRv7mIB1Sw2Jx7argoxTMSX9VQ8S2V7FYP2ObHJk pq+kj9lldMAWZk2GhNq70so0MTPTyOwY1SzUEqREKMBvkOV+zqSFBG3+T+bjdGV+PavI Bdtw== X-Gm-Message-State: APjAAAX6aDnRr4233vi1H/BMuSw86PH2YQEZ6iIm/wU/6MYDaq7V0C+2 JRmPA+FTEvwMxDSdxjItiOJ5XQj//QeHxlAQC6p9YVW/kkzg X-Google-Smtp-Source: APXvYqz7hpzC/Wwk28PWg8lXyteCwaKt3jO1uHe0MugGYuLjvuUNM6Y2WZYY5/UVNtioKknfPPXueJwCtwNp0qFraRWi/sDpHdOW MIME-Version: 1.0 X-Received: by 2002:a6b:b488:: with SMTP id d130mr27708772iof.58.1559903585612; Fri, 07 Jun 2019 03:33:05 -0700 (PDT) Date: Fri, 07 Jun 2019 03:33:05 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001abc1c058ab95b3e@google.com> Subject: WARNING in aiptek_open/usb_submit_urb From: syzbot To: andreyknvl@google.com, gregkh@linuxfoundation.org, gustavo@embeddedor.com, 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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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=140186c1a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=193d8457178b3229 dashboard link: https://syzkaller.appspot.com/bug?extid=75cccf2b7da87fb6f84b compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13e01351a00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16573351a00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+75cccf2b7da87fb6f84b@syzkaller.appspotmail.com usb 1-1: config 0 has no interface number 0 usb 1-1: config 0 interface 237 altsetting 0 bulk endpoint 0x83 has invalid maxpacket 255 usb 1-1: New USB device found, idVendor=08ca, idProduct=0022, bcdDevice=6d.4a usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? aiptek 1-1:0.237: Aiptek using 400 ms programming speed input: Aiptek as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.237/input/input5 ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 0 PID: 108 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 drivers/usb/core/urb.c:477 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 108 Comm: kworker/0:2 Not tainted 5.2.0-rc1+ #10 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:218 __warn.cold+0x20/0x4b kernel/panic.c:575 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:usb_submit_urb+0x1188/0x13b0 drivers/usb/core/urb.c:477 Code: 4d 85 ed 74 2c e8 b8 06 e9 fd 4c 89 f7 e8 c0 44 13 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 20 1c 1a 86 e8 03 db be fd <0f> 0b e9 20 f4 ff ff e8 8c 06 e9 fd 4c 89 f2 48 b8 00 00 00 00 00 RSP: 0018:ffff8881d41bf020 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8127e98d RDI: ffffed103a837df6 RBP: ffff8881d246dc80 R08: ffff8881d7b4e000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8881d170ee10 R14: ffff8881d05b4d20 R15: ffff8881d42c4300 aiptek_open+0xd5/0x130 drivers/input/tablet/aiptek.c:843 input_open_device+0x170/0x280 drivers/input/input.c:611 kbd_connect+0xfe/0x160 drivers/tty/vt/keyboard.c:1547 input_attach_handler+0x194/0x200 drivers/input/input.c:1004 input_register_device.cold+0xf5/0x246 drivers/input/input.c:2159 aiptek_probe.cold+0x286/0x30d drivers/input/tablet/aiptek.c:1886 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: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 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