LibC: Use uintptr_t for __stack_chk_guard

We used size_t, which is a type that is guarenteed to be large
enough to hold an array index, but uintptr_t is designed to be used
to hold pointer values, which is the case of stack guards.

1 files changed, 1 insertions, 1 deletions

diff --git a/Userland/Libraries/LibELF/DynamicLinker.cpp b/Userland/Libraries/LibELF/DynamicLinker.cpp
index 1658d99c36..ee4ee79eac 100644
--- a/Userland/Libraries/LibELF/DynamicLinker.cpp
+++ b/Userland/Libraries/LibELF/DynamicLinker.cpp
@@ -258,7 +258,7 @@ static void initialize_libc(DynamicObject& libc)
     // This is not done in __libc_init, as we definitely have to return from that, and it might affect Loader as well.
     res = libc.lookup_symbol("__stack_chk_guard"sv);
     VERIFY(res.has_value());
-    arc4random_buf(res.value().address.as_ptr(), sizeof(size_t));
+    arc4random_buf(res.value().address.as_ptr(), sizeof(uintptr_t));
 
     res = libc.lookup_symbol("__environ_is_malloced"sv);
     VERIFY(res.has_value());