From 2cb0a9b34b0deb0ddabdc255cdef0fa1f2ad935f Mon Sep 17 00:00:00 2001
From: Bob Peterson <bob@rwp.is>
Date: Sun, 19 Oct 2025 23:38:34 -0500
Subject: [PATCH] Use read_unaligned with *u8 cast to *u32

Avoids undefined behavior due to unaligned read caught with Miri
---
 core/storage/btree.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/storage/btree.rs b/core/storage/btree.rs
index 31e89b01f..65659c4b3 100644
--- a/core/storage/btree.rs
+++ b/core/storage/btree.rs
@@ -2857,7 +2857,8 @@ impl BTreeCursor {
 
                     // load sibling pages
                     // start loading right page first
-                    let mut pgno: u32 = unsafe { right_pointer.cast::<u32>().read().swap_bytes() };
+                    let mut pgno: u32 =
+                        unsafe { right_pointer.cast::<u32>().read_unaligned().swap_bytes() };
                     let current_sibling = sibling_pointer;
                     let mut group = CompletionGroup::new(|_| {});
                     for i in (0..=current_sibling).rev() {