Fix out of bounds read in ?llarv (Reference-LAPACK PR 625)

martin-frbg · web-flow · commit ddb0ff535363 · 2021-10-01T11:19:07.000+02:00
diff --git 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
 *

Original file line number	Diff line number	Diff line change
`@@ -353,7 +353,7 @@ SUBROUTINE SLARRV( N, VL, VU, D, L, PIVMIN,`
`353`	`353`	`*`
`354`	`354`	`* Quick return if possible`
`355`	`355`	`*`
`356`		`- IF( N.LE.0 ) THEN`
	`356`	`+ IF( (N.LE.0).OR.(M.LE.0) ) THEN`
`357`	`357`	`RETURN`
`358`	`358`	`END IF`
`359`	`359`	`*`