From 2be5ee3cca97a597f2ee2118808a2d5eacea050c Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Fri, 1 Oct 2021 11:17:21 +0200
Subject: [PATCH] Fix out of bounds read in ?llarv (Reference-LAPACK PR 625)

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

diff --git a/lapack-netlib/SRC/clarrv.f b/lapack-netlib/SRC/clarrv.f
index a45f55ac3..26a9febc8 100644
--- a/lapack-netlib/SRC/clarrv.f
+++ b/lapack-netlib/SRC/clarrv.f
@@ -351,7 +351,7 @@ SUBROUTINE CLARRV( N, VL, VU, D, L, PIVMIN,
 *
 *     Quick return if possible
 *
-      IF( N.LE.0 ) THEN
+      IF( (N.LE.0) .OR. (M.LE.0) ) THEN
          RETURN
       END IF
 *