From: Anton Kovalenko <anton@sw4me.com>
Date: Fri, 30 Sep 2011 10:06:04 +0000 (+0400)
Subject: fix run-program misaligned access
X-Git-Url: http://repo.macrolet.net/gitweb/?a=commitdiff_plain;h=6113d10bd637c220036cb74b45f03354fe1f872d;p=sbcl.git

fix run-program misaligned access

Thanks to Antoni Grzymala for the report.
---

diff --git a/src/code/run-program.lisp b/src/code/run-program.lisp
index daebefe..0417401 100644
--- a/src/code/run-program.lisp
+++ b/src/code/run-program.lisp
@@ -496,7 +496,7 @@ status slot."
         ;; Copy string.
         (sb-kernel:copy-ub8-to-system-area octets 0 string-sap 0 size)
         ;; NULL-terminate it
-        (setf (sap-ref-32 string-sap size) 0)
+        (sb-kernel:system-area-ub8-fill 0 string-sap size 4)
         ;; Put the pointer in the vector.
         (setf (sap-ref-sap vec-sap vec-index-offset) string-sap)
         ;; Advance string-sap for the next string.