syz_open_dev$tty1(0xc, 0x4, 0x1) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000280)='net/unix\x00') preadv(r0, &(0x7f0000002400)=[{&(0x7f0000000140)=""/203, 0xcb}], 0x1, 0x7ff, 0x0)