patch 'common/dpaax: fix node array overrun' has been queued to stable release 21.11.8

[Kevin Traynor]

Hi,

FYI, your patch has been queued to stable release 21.11.8

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 08/28/24. So please
shout if anyone has objections.

Also note that after the patch there's a diff of the upstream commit vs the
patch applied to the branch. This will indicate if there was any rebasing
needed to apply to the stable branch. If there were code changes for rebasing
(ie: not only metadata diffs), please double check that the rebase was
correctly done.

Queued patches are on a temporary branch at:
https://github.com/kevintraynor/dpdk-stable

This queued commit can be viewed at:
https://github.com/kevintraynor/dpdk-stable/commit/1c47e6f9d235054461e5c0673939d2c0ff4e6463

Thanks.

Kevin

---
>From 1c47e6f9d235054461e5c0673939d2c0ff4e6463 Mon Sep 17 00:00:00 2001
From: Apeksha Gupta <apeksha.gupta at nxp.com>
Date: Wed, 10 Jul 2024 14:25:30 +0530
Subject: [PATCH] common/dpaax: fix node array overrun

[ upstream commit fae5c5cf59b13efa1fe40d9dd75e0c8731dc46b1 ]

Out-of-bounds read, overrunning dynamic array nodes at offset
corresponding to index variable j.

Fixes: 2f3d633aa593 ("common/dpaax: add library for PA/VA translation table")

Signed-off-by: Apeksha Gupta <apeksha.gupta at nxp.com>
Signed-off-by: Vanshika Shukla <vanshika.shukla at nxp.com>
---
 drivers/common/dpaax/dpaax_iova_table.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/common/dpaax/dpaax_iova_table.c b/drivers/common/dpaax/dpaax_iova_table.c
index d2a78f4c19..860e702333 100644
--- a/drivers/common/dpaax/dpaax_iova_table.c
+++ b/drivers/common/dpaax/dpaax_iova_table.c
@@ -140,8 +140,10 @@ read_memory_node(unsigned int *count)
 
 	DPAAX_DEBUG("Device-tree memory node data:");
-	do {
+
+	while (j > 0) {
+		--j;
 		DPAAX_DEBUG("    %08" PRIx64 " %08zu",
 			    nodes[j].addr, nodes[j].len);
-	} while (--j);
+	}
 
 cleanup:
-- 
2.46.0

---
  Diff of the applied patch vs upstream commit (please double-check if non-empty:
---
--- -	2024-08-23 17:18:12.106571153 +0100
+++ 0079-common-dpaax-fix-node-array-overrun.patch	2024-08-23 17:18:09.755430228 +0100
@@ -1 +1 @@
-From fae5c5cf59b13efa1fe40d9dd75e0c8731dc46b1 Mon Sep 17 00:00:00 2001
+From 1c47e6f9d235054461e5c0673939d2c0ff4e6463 Mon Sep 17 00:00:00 2001
@@ -5,0 +6,2 @@
+[ upstream commit fae5c5cf59b13efa1fe40d9dd75e0c8731dc46b1 ]
+
@@ -10 +11,0 @@
-Cc: stable at dpdk.org