WARNING in iforce_get_id_packet/usb_submit_urb

[syzbot]

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=15b6b3f8600000
kernel config: https://syzkaller.appspot.com/x/.config?x=f6d4561982f71f63
dashboard link: https://syzkaller.appspot.com/bug?extid=9584b712baf1965b590c
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12d09e28600000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1410e1f7a00000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+9584b7...@syzkaller.appspotmail.com

usb 1-1: config 0 interface 47 altsetting 0 bulk endpoint 0x8A has invalid
maxpacket 0
usb 1-1: New USB device found, idVendor=061c, idProduct=c0a4,
bcdDevice=4e.a0
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
------------[ cut here ]------------
URB 0000000044363614 submitted while active
WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:362
usb_submit_urb+0x10c1/0x13b0 drivers/usb/core/urb.c:362
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 12 Comm: kworker/0:1 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:usb_submit_urb+0x10c1/0x13b0 drivers/usb/core/urb.c:362
Code: 89 de e8 72 dd e8 fd 84 db 0f 85 42 f6 ff ff e8 35 dc e8 fd 4c 89 fe
48 c7 c7 00 23 1a 86 c6 05 4b 78 57 04 01 e8 ca a0 be fd <0f> 0b e9 20 f6
ff ff c7 44 24 14 01 00 00 00 e9 d7 f6 ff ff 41 bd
RSP: 0018:ffff8881d9e0f010 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3c1df4
RBP: ffff8881d4b67d00 R08: ffff8881d9df9800 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881cf2c9980
R13: 00000000fffffff0 R14: ffffffff862df820 R15: ffff8881d4b67d00
iforce_get_id_packet+0x19c/0x52c
drivers/input/joystick/iforce/iforce-packets.c:238
iforce_init_device+0x391/0x138d
drivers/input/joystick/iforce/iforce-main.c:293
iforce_usb_probe+0x97c/0xd90 drivers/input/joystick/iforce/iforce-usb.c:163
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..


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[Andrey Konovalov]

#syz dup: WARNING in __iforce_usb_xmit/usb_submit_urb