From 26809522b7ae18487c0593309d23aaa1eea9236c Mon Sep 17 00:00:00 2001
From: Brooks <brooks@solana.com>
Date: Tue, 2 May 2023 15:17:36 -0400
Subject: [PATCH] bucket_map: get_from_bytes should check alignment (#31444)

---
 bucket_map/src/index_entry.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bucket_map/src/index_entry.rs b/bucket_map/src/index_entry.rs
index 97915cdc3..70311305e 100644
--- a/bucket_map/src/index_entry.rs
+++ b/bucket_map/src/index_entry.rs
@@ -426,12 +426,14 @@ impl<T: Copy + 'static> IndexEntryPlaceInBucket<T> {
 fn get_from_bytes<T>(item_slice: &[u8]) -> &T {
     debug_assert!(std::mem::size_of::<T>() <= item_slice.len());
     let item = item_slice.as_ptr() as *const T;
+    debug_assert!(item as usize % std::mem::align_of::<T>() == 0);
     unsafe { &*item }
 }
 
 fn get_mut_from_bytes<T>(item_slice: &mut [u8]) -> &mut T {
     debug_assert!(std::mem::size_of::<T>() <= item_slice.len());
     let item = item_slice.as_mut_ptr() as *mut T;
+    debug_assert!(item as usize % std::mem::align_of::<T>() == 0);
     unsafe { &mut *item }
 }