From 337b65133df174796794871b3988cd03426e6d41 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Fri, 1 Oct 2021 11:19:53 +0200
Subject: [PATCH] Fix out of bounds read in ?llarv (Reference-LAPACK PR 625)

Resolves: CVE-2021-4048

---
 lapack-netlib/SRC/zlarrv.f | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lapack-netlib/SRC/zlarrv.f b/lapack-netlib/SRC/zlarrv.f
index 23976dbe..8d10e3c2 100644
--- a/lapack-netlib/SRC/zlarrv.f
+++ b/lapack-netlib/SRC/zlarrv.f
@@ -351,7 +351,7 @@
 *
 *     Quick return if possible
 *
-      IF( N.LE.0 ) THEN
+      IF( (N.LE.0).OR.(M.LE.0) ) THEN
          RETURN
       END IF
 *
-- 
2.33.1