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Date:   Thu, 14 May 2020 13:18:11 -0700
Message-ID: <0000000000004dbaa505a5a165f7@google.com>
Subject: WARNING in carl9170_usb_submit_cmd_urb/usb_submit_urb
From:   syzbot <syzbot+9468df99cb63a4a4c4e1@syzkaller.appspotmail.com>
To:     andreyknvl@google.com, gregkh@linuxfoundation.org,
        ingrassia@epigenesys.com, linux-kernel@vger.kernel.org,
        linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com
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Sender: linux-kernel-owner@vger.kernel.org
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Hello,

syzbot found the following crash on:

HEAD commit:    059e7e0f usb: raw-gadget: fix typo in uapi headers
git tree:       https://github.com/google/kasan.git usb-fuzzer
console output: https://syzkaller.appspot.com/x/log.txt?x=179bc3c2100000
kernel config:  https://syzkaller.appspot.com/x/.config?x=b484a6e53b2b06ad
dashboard link: https://syzkaller.appspot.com/bug?extid=9468df99cb63a4a4c4e1
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=177d01c6100000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13052f48100000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+9468df99cb63a4a4c4e1@syzkaller.appspotmail.com

usb 1-1: reset full-speed USB device number 2 using dummy_hcd
------------[ cut here ]------------
usb 1-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 1 PID: 17 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 drivers/usb/core/urb.c:478
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.7.0-rc1-syzkaller #0
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+0xef/0x16e lib/dump_stack.c:118
 panic+0x2aa/0x6e1 kernel/panic.c:221
 __warn.cold+0x2f/0x30 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:175 [inline]
 fixup_bug arch/x86/kernel/traps.c:170 [inline]
 do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:usb_submit_urb+0x1188/0x1460 drivers/usb/core/urb.c:478
Code: 4d 85 ed 74 46 e8 38 c2 d2 fd 4c 89 f7 e8 70 ac 16 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 52 3d 86 e8 40 96 a6 fd <0f> 0b e9 20 f4 ff ff e8 0c c2 d2 fd 0f 1f 44 00 00 e8 02 c2 d2 fd
RSP: 0018:ffff8881da25ef40 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff812a2d8d RDI: ffffed103b44bdda
RBP: ffff8881d9846050 R08: ffff8881da243180 R09: ffffed103b666292
R10: ffff8881db33148f R11: ffffed103b666291 R12: 0000000000000001
R13: ffff8881d8c365e8 R14: ffff8881cd6940a0 R15: ffff8881cfb0a100
 carl9170_usb_submit_cmd_urb+0xa5/0x120 drivers/net/wireless/ath/carl9170/usb.c:229
 __carl9170_exec_cmd+0x313/0x5c0 drivers/net/wireless/ath/carl9170/usb.c:643
 carl9170_reboot+0xaf/0xf0 drivers/net/wireless/ath/carl9170/cmd.c:141
 carl9170_usb_disconnect+0xee/0x130 drivers/net/wireless/ath/carl9170/usb.c:1117
 usb_unbind_interface+0x1bd/0x8a0 drivers/usb/core/driver.c:436
 __device_release_driver drivers/base/dd.c:1114 [inline]
 device_release_driver_internal+0x432/0x500 drivers/base/dd.c:1145
 usb_driver_release_interface+0x102/0x180 drivers/usb/core/driver.c:609
 usb_forced_unbind_intf+0x50/0xb0 drivers/usb/core/driver.c:1057
 usb_reset_device+0x39d/0x960 drivers/usb/core/hub.c:5933
 carl9170_usb_probe+0x48/0xd40 drivers/net/wireless/ath/carl9170/usb.c:1044
 usb_probe_interface+0x310/0x800 drivers/usb/core/driver.c:374
 really_probe+0x290/0xac0 drivers/base/dd.c:527
 driver_probe_device+0x223/0x350 drivers/base/dd.c:701
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:808
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
 __device_attach+0x21a/0x390 drivers/base/dd.c:874
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0x1367/0x1c20 drivers/base/core.c:2533
 usb_set_configuration+0xed4/0x1850 drivers/usb/core/message.c:2025
 usb_generic_driver_probe+0x9d/0xe0 drivers/usb/core/generic.c:241
 usb_probe_device+0xd9/0x230 drivers/usb/core/driver.c:272
 really_probe+0x290/0xac0 drivers/base/dd.c:527
 driver_probe_device+0x223/0x350 drivers/base/dd.c:701
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:808
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
 __device_attach+0x21a/0x390 drivers/base/dd.c:874
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0x1367/0x1c20 drivers/base/core.c:2533
 usb_new_device.cold+0x552/0xf6e drivers/usb/core/hub.c:2548
 hub_port_connect drivers/usb/core/hub.c:5195 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5335 [inline]
 port_event drivers/usb/core/hub.c:5481 [inline]
 hub_event+0x226d/0x43c0 drivers/usb/core/hub.c:5563
 process_one_work+0x965/0x1630 kernel/workqueue.c:2268
 worker_thread+0x96/0xe20 kernel/workqueue.c:2414
 kthread+0x326/0x430 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..


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