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usb usb5: BOGUS urb flags, 40 --> 0
WARNING: CPU: 0 PID: 8375 at drivers/usb/core/urb.c:503 usb_submit_urb+0x17df/0x1f10 drivers/usb/core/urb.c:502
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 8375 Comm: syz-executor3 Not tainted 4.19.0-rc1+ #40
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x14b/0x190 lib/dump_stack.c:113
 panic+0x35d/0x8cb kernel/panic.c:184
 __warn+0x40a/0x590 kernel/panic.c:536
 report_bug+0x65c/0x850 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 do_error_trap+0x1c0/0x620 arch/x86/kernel/traps.c:298
 do_invalid_op+0x46/0x50 arch/x86/kernel/traps.c:318
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1000
RIP: 0010:usb_submit_urb+0x17df/0x1f10 drivers/usb/core/urb.c:502
Code: c7 84 24 80 0c 00 00 00 00 00 00 48 c7 c7 02 31 96 89 31 c0 48 8b b5 30 ff ff ff 4c 89 ea 8b 4d 98 44 8b 45 a0 e8 e1 53 5a fb <0f> 0b 4c 8b ad 60 ff ff ff f6 45 8f 03 48 8b 5d c8 4c 8b b5 10 ff
RSP: 0018:ffff88012555f778 EFLAGS: 00010286
RAX: 0000000000000023 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90002583000 RSI: 0000000000001c37 RDI: 0000000000001c38
RBP: ffff88012555f888 R08: 0000000000480020 R09: 0000000000000002
R10: 0000000000000000 R11: ffffffff854248c0 R12: ffff88012bfce180
R13: ffff8801cf0ad850 R14: 0000000000000000 R15: 0000000000000000
 proc_do_submiturb+0x5281/0x6d00 drivers/usb/core/devio.c:1763
 proc_submiturb_compat drivers/usb/core/devio.c:1997 [inline]
 usbdev_do_ioctl+0x4684/0xbb80 drivers/usb/core/devio.c:2474
 usbdev_ioctl+0x8c/0xb0 drivers/usb/core/devio.c:2551
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0xc77/0x2660 fs/ioctl.c:687
 ksys_ioctl fs/ioctl.c:702 [inline]
 __do_sys_ioctl fs/ioctl.c:709 [inline]
 __se_sys_ioctl+0x1da/0x270 fs/ioctl.c:707
 __x64_sys_ioctl+0x4a/0x70 fs/ioctl.c:707
 do_syscall_64+0xb8/0x100 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x457099
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ff171de1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff171de26d4 RCX: 0000000000457099
RDX: 0000000020000040 RSI: 00000000802c550a RDI: 0000000000000005
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004ce8f0 R14: 00000000004c4e0b R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..