From 3df27335cf0e9feddb32dbbd5f61f2635b7af245 Mon Sep 17 00:00:00 2001
From: Rubens Brandao <git@rubens.io>
Date: Fri, 10 May 2024 15:15:09 -0300
Subject: [PATCH] Fix invalid write to uninitialized Vec

---
 rust/src/binaryview.rs | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/rust/src/binaryview.rs b/rust/src/binaryview.rs
index 33fd98813c..a6e9a74d2e 100644
--- a/rust/src/binaryview.rs
+++ b/rust/src/binaryview.rs
@@ -225,18 +225,11 @@ pub trait BinaryViewExt: BinaryViewBase {
 
     /// Reads up to `len` bytes from address `offset`
     fn read_vec(&self, offset: u64, len: usize) -> Vec<u8> {
-        let mut ret = Vec::with_capacity(len);
+        let mut ret = vec![0; len];
 
-        unsafe {
-            let res;
-
-            {
-                let dest_slice = ret.get_unchecked_mut(0..len);
-                res = self.read(dest_slice, offset);
-            }
-
-            ret.set_len(res);
-        }
+        let slice = ret.get_mut(0..len).unwrap();
+        let size = self.read(slice, offset);
+        ret.truncate(size);
 
         ret
     }