From a100adc1f2c5b26300c18c6d03bba006d6f4ee86 Mon Sep 17 00:00:00 2001
From: Thom Chiovoloni <thom@shift.click>
Date: Fri, 16 Sep 2022 13:29:37 -0700
Subject: [PATCH] Fix potential unsoundness in `SqliteMallocString`

---
 src/util/sqlite_string.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/util/sqlite_string.rs b/src/util/sqlite_string.rs
index 88df575..da9f3f6 100644
--- a/src/util/sqlite_string.rs
+++ b/src/util/sqlite_string.rs
@@ -131,7 +131,8 @@ impl SqliteMallocString {
                     //   (everything is aligned to 1)
                     // - `size` is also never zero, although this function doesn't actually require
                     //   it now.
-                    let layout = Layout::from_size_align_unchecked(s.len().saturating_add(1), 1);
+                    let len = s.len().saturating_add(1).min(isize::MAX as usize);
+                    let layout = Layout::from_size_align_unchecked(len, 1);
                     // Note: This call does not return.
                     handle_alloc_error(layout);
                 });