fix RtlGenRandom argument size

rust-lang · Apr 16, 2019 · 6211178 · 6211178
1 parent 6fdc750
commit 6211178
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/fn_call.rs b/src/fn_call.rs
@@ -774,7 +774,7 @@ pub trait EvalContextExt<'a, 'mir, 'tcx: 'a + 'mir>: crate::MiriEvalContextExt<'
             // The actual name of 'RtlGenRandom'
             "SystemFunction036" => {
                 let ptr = this.read_scalar(args[0])?.to_ptr()?;
-                let len = this.read_scalar(args[1])?.to_usize(this)?;
+                let len = this.read_scalar(args[1])?.to_u32(this)?;
 
                 if len > 0 {
                     let data = gen_random(this, len as usize)?;