protect std::io::Take::limit from overflow in read

fixs #94981

library/std/src/io/mod.rs

@@ -2559,6 +2559,7 @@ impl<T: Read> Read for Take<T> {
 
         let max = cmp::min(buf.len() as u64, self.limit) as usize;
         let n = self.inner.read(&mut buf[..max])?;
+        assert!(n as u64 <= self.limit, "number of read bytes exceeds limit");
         self.limit -= n as u64;
         Ok(n)
     }