From dfc77b035068e8f4135d137371edbadb6b0b0f2e Mon Sep 17 00:00:00 2001
From: Bob Peterson <bob@rwp.is>
Date: Mon, 13 Oct 2025 13:53:07 -0500
Subject: [PATCH] Non-Unix arena: use zeroed alloc to avoid UB

Reads to the arena were flagged by Miri as UB since it contained
uninitialized memory
---
 core/storage/buffer_pool.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/storage/buffer_pool.rs b/core/storage/buffer_pool.rs
index 106c9bc8c..a38e878a8 100644
--- a/core/storage/buffer_pool.rs
+++ b/core/storage/buffer_pool.rs
@@ -467,7 +467,7 @@ mod arena {
 mod arena {
     pub fn alloc(len: usize) -> *mut u8 {
         let layout = std::alloc::Layout::from_size_align(len, std::mem::size_of::<u8>()).unwrap();
-        unsafe { std::alloc::alloc(layout) }
+        unsafe { std::alloc::alloc_zeroed(layout) }
     }
     pub fn dealloc(ptr: *mut u8, len: usize) {
         let layout = std::alloc::Layout::from_size_align(len, std::mem::size_of::<u8>()).unwrap();