r0 = epoll_create1(0x0)
r1 = syz_open_dev$tty20(0xc, 0x4, 0x0)
r2 = dup2(r0, r1)
r3 = syz_open_dev$usbmon(&(0x7f0000000000), 0x0, 0x0)
epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r3, &(0x7f00000000c0))