From ddb0ff5353637bb5f5ad060c9620e334c143e3d7 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Fri, 1 Oct 2021 11:19:07 +0200
Subject: [PATCH] Fix out of bounds read in ?llarv (Reference-LAPACK PR 625)

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

diff --git a/lapack-netlib/SRC/slarrv.f b/lapack-netlib/SRC/slarrv.f
index 04519fde8..9448b2fd9 100644
--- a/lapack-netlib/SRC/slarrv.f
+++ b/lapack-netlib/SRC/slarrv.f
@@ -353,7 +353,7 @@ SUBROUTINE SLARRV( 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
 *