r0 = epoll_create1(0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f00000001c0)) writev(r1, &(0x7f0000000680)=[{&(0x7f0000000480)="fc", 0x1}], 0x1)