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 EAE50C76195 for ; Fri, 19 Jul 2019 18:41:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C6CE221849 for ; Fri, 19 Jul 2019 18:41:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731813AbfGSSlG (ORCPT ); Fri, 19 Jul 2019 14:41:06 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:38295 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727970AbfGSSlG (ORCPT ); Fri, 19 Jul 2019 14:41:06 -0400 Received: by mail-io1-f72.google.com with SMTP id h4so35603783iol.5 for ; Fri, 19 Jul 2019 11:41:06 -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:in-reply-to:message-id:subject :from:to; bh=7mFdXMLBoQKNDPF4SvbgB3lS+daOlhuCux1fzIJOXVg=; b=dN80Hv+Y3fxt9PAF4n8eQKrWr1o/TvQ8ZtppUd7ENghflZmqgovog+/qnyURryItuT h6ceHue4bgsMyFKZ6JjdHBS0B+IKIxJzX1dG+sxfoQLmBDxCABAOdj7MdTff4KyMLG8q od26yxSnK3WF5StTK0nHEd6BHzKsq8hNcnhwzGee3xtwpROD9SAF3H6H5mv0uTVuFQ+Y IIvhY8M6XzCNC/sGYhKAtlXwCPvAZFHzMcnzNNmTONRLsCwEoice3s0A1SHbe4PCVfGe Ef2Sj2Q9S81WTqzO7ahUdGnlVs+n/e2+sthNVc6EV8ihN3ZEX4Sda8jMm08lSxLq8ssJ YD7w== X-Gm-Message-State: APjAAAV1uj64OgyiuD8EN/pArw0Wd8H5HEONlks0701fIyLR4TDXi/SI CupupAxynJeCw4PHEuGYq0yLrh6GBvEaigQWavISKIjP6ZEo X-Google-Smtp-Source: APXvYqwIEC1emZ2/yBZpVkXd6teZhX3lfYVplN/omvTxKl4yUhwzGYaknqWCJQbkUxg3abOkaZFT7Yd5geMt0ecSKZkIb9i2XpLu MIME-Version: 1.0 X-Received: by 2002:a02:3f1d:: with SMTP id d29mr59971661jaa.116.1563561665791; Fri, 19 Jul 2019 11:41:05 -0700 (PDT) Date: Fri, 19 Jul 2019 11:41:05 -0700 In-Reply-To: <000000000000acb99a058b0d5741@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ac8f77058e0d11e9@google.com> Subject: Re: WARNING in snd_usb_motu_microbookii_communicate/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-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org syzbot has found a reproducer for the following crash on: HEAD commit: 6a3599ce 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=149006d0600000 kernel config: https://syzkaller.appspot.com/x/.config?x=700ca426ab83faae dashboard link: https://syzkaller.appspot.com/bug?extid=d952e5e28f5fb7718d23 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1710cd48600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17650a34600000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+d952e5e28f5fb7718d23@syzkaller.appspotmail.com usb 1-1: string descriptor 0 read error: -22 usb 1-1: New USB device found, idVendor=07fd, idProduct=0004, bcdDevice=59.23 usb 1-1: New USB device strings: Mfr=5, Product=75, SerialNumber=0 usb 1-1: Waiting for MOTU Microbook II to boot up... ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 1 PID: 21 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: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #15 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:usb_submit_urb+0x1188/0x13b0 /drivers/usb/core/urb.c:477 Code: 4d 85 ed 74 2c e8 f8 d3 f4 fd 4c 89 f7 e8 a0 51 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 0e f7 85 e8 83 98 ca fd <0f> 0b e9 20 f4 ff ff e8 cc d3 f4 fd 4c 89 f2 48 b8 00 00 00 00 00 RSP: 0018:ffff8881d9efee68 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3dfdbf RBP: ffff8881cfd97b70 R08: ffff8881d9e36000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8881cfcdea98 R14: ffff8881d0f511a0 R15: ffff8881d4b46200 usb_start_wait_urb+0x108/0x2b0 /drivers/usb/core/message.c:57 usb_bulk_msg+0x228/0x550 /drivers/usb/core/message.c:253 snd_usb_motu_microbookii_communicate.constprop.0+0xe3/0x240 /sound/usb/quirks.c:999 snd_usb_motu_microbookii_boot_quirk /sound/usb/quirks.c:1039 [inline] snd_usb_apply_boot_quirk.cold+0x140/0x36b /sound/usb/quirks.c:1268 usb_audio_probe+0x2ec/0x2010 /sound/usb/card.c:576 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+0x6a4/0xe61 /drivers/usb/core/hub.c:2536 hub_port_connect /drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change /drivers/usb/core/hub.c:5213 [inline] port_event /drivers/usb/core/hub.c:5359 [inline] hub_event+0x1abd/0x3550 /drivers/usb/core/hub.c:5441 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..