From c59192389f8a196f02600cea6cf2f3ed50130b83 Mon Sep 17 00:00:00 2001
From: Yilin Chen <sticnarf@gmail.com>
Date: Fri, 16 Dec 2022 00:53:41 +0800
Subject: [PATCH] Fix get_unchecked UB by raw pointer calculation

Signed-off-by: Yilin Chen <sticnarf@gmail.com>
---
 crossbeam-skiplist/src/base.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crossbeam-skiplist/src/base.rs b/crossbeam-skiplist/src/base.rs
index d27c531b5..7d9bf5119 100644
--- a/crossbeam-skiplist/src/base.rs
+++ b/crossbeam-skiplist/src/base.rs
@@ -36,7 +36,7 @@ impl<K, V> Index<usize> for Tower<K, V> {
     fn index(&self, index: usize) -> &Atomic<Node<K, V>> {
         // This implementation is actually unsafe since we don't check if the
         // index is in-bounds. But this is fine since this is only used internally.
-        unsafe { self.pointers.get_unchecked(index) }
+        unsafe { &*(&self.pointers as *const Atomic<Node<K, V>>).add(index) }
     }
 }