r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
ioctl$TIOCVHANGUP(r0, 0x5437, 0x0)
readv(r0, 0x0, 0x0)