r0 = syz_open_dev$usbmon(&(0x7f0000000dc0), 0x0, 0x0)
mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x13, r0, 0x0)
ioctl$MON_IOCT_RING_SIZE(r0, 0x9204, 0xf1562)