From da2f3ba5211edcb535176b7c4384370f63a70d87 Mon Sep 17 00:00:00 2001
From: Luna Nova <git@lunnova.dev>
Date: Wed, 18 Dec 2024 10:36:05 -0800
Subject: [PATCH] net_ib: fix out of bounds read in ncclIbGdrSupport on
 non-RDMA kernel

Fixes #1469
---
 src/transport/net_ib.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/transport/net_ib.cc b/src/transport/net_ib.cc
index 6d7778442..d3863da7a 100644
--- a/src/transport/net_ib.cc
+++ b/src/transport/net_ib.cc
@@ -586,7 +586,8 @@ ncclResult_t ncclIbGdrSupport() {
     // or created under a different path like `/sys/kernel/` or `/sys/` (depending on your ib_peer_mem module)
     const char* memory_peers_paths[] = {"/sys/kernel/mm/memory_peers/amdkfd/version",
                                   "/sys/kernel/memory_peers/amdkfd/version",
-                                  "/sys/memory_peers/amdkfd/version"};
+                                  "/sys/memory_peers/amdkfd/version",
+                                  NULL};
     int i = 0;
 
     while (memory_peers_paths[i]) {