r0 = epoll_create1(0x0) r1 = syz_open_dev$tty20(0xc, 0x4, 0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000000)={0x60000005}) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, r1, &(0x7f0000000040)={0x6000000e})