From 8ed7f4bbc19bc77c49c6e76f62d579e2a63c550b Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Sat, 6 Apr 2019 23:17:27 +0000
Subject: [PATCH] qla2x00t-32gbit: Add a runtime array bounds check

Complain if the msix_entries[] array is accessed outside its bounds.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8164 d57e44dd-8a1f-0410-8b47-8ef2f437770f
---
 qla2x00t-32gbit/qla_isr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/qla2x00t-32gbit/qla_isr.c b/qla2x00t-32gbit/qla_isr.c
index 7099ede9d..2896dc198 100644
--- a/qla2x00t-32gbit/qla_isr.c
+++ b/qla2x00t-32gbit/qla_isr.c
@@ -3614,6 +3614,7 @@ msix_failed:
 
 	/* Enable MSI-X vectors for the base queue */
 	for (i = 0; i < QLA_BASE_VECTORS; i++) {
+		WARN(i >= ha->msix_count, "%d > %d\n", i, ha->msix_count);
 		qentry = &ha->msix_entries[i];
 		qentry->handle = rsp;
 		rsp->msix = qentry;
@@ -3639,6 +3640,8 @@ msix_failed:
 	 */
 	if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
 	    IS_ATIO_MSIX_CAPABLE(ha)) {
+		WARN(QLA_ATIO_VECTOR >= ha->msix_count, "%d > %d\n",
+		     QLA_ATIO_VECTOR, ha->msix_count);
 		qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
 		rsp->msix = qentry;
 		qentry->handle = rsp;