--- a/src/libpam/question.rs	Wed Jun 25 16:56:56 2025 -0400
+++ b/src/libpam/question.rs	Thu Jun 26 00:48:51 2025 -0400
@@ -1,5 +1,6 @@
 //! Data and types dealing with PAM messages.
 
+use std::cell::Cell;
 #[cfg(feature = "linux-pam-extensions")]
 use crate::conv::{BinaryQAndA, RadioQAndA};
 use crate::conv::{ErrorMsg, InfoMsg, MaskedQAndA, Message, QAndA};
@@ -12,7 +13,7 @@
 use num_enum::{IntoPrimitive, TryFromPrimitive};
 use std::ffi::{c_void, CStr};
 use std::pin::Pin;
-use std::slice;
+use std::{ptr, slice};
 
 /// Abstraction of a collection of questions to be sent in a PAM conversation.
 ///
@@ -91,7 +92,7 @@
     /// Points to the memory address where the meat of `questions` is.
     /// **The memory layout of Vec is not specified**, and we need to return
     /// a pointer to the pointer, hence we have to store it here.
-    pointer: *const Question,
+    pointer: Cell<*const Question>,
     questions: Vec<Question>,
     _marker: Immovable,
 }
@@ -110,14 +111,16 @@
         let questions: Result<Vec<_>> = messages.iter().map(Question::try_from).collect();
         let questions = questions?;
         Ok(Self {
-            pointer: questions.as_ptr(),
+            pointer: Cell::new(ptr::null()),
             questions,
             _marker: Default::default(),
         })
     }
 
     fn ptr(self: Pin<&Self>) -> *const *const Question {
-        &self.pointer as *const *const Question
+        let me = self.get_ref();
+        me.pointer.set(self.questions.as_ptr());
+        me.pointer.as_ptr()
     }
 
     unsafe fn borrow_ptr<'a>(