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[Qemu-devel] [PATCH 7/7] hw/rdma: Fix possible out of bounds access to p


From: Marcel Apfelbaum
Subject: [Qemu-devel] [PATCH 7/7] hw/rdma: Fix possible out of bounds access to port GID index
Date: Mon, 30 Apr 2018 23:02:23 +0300

Make sure the backend GID index is less then port's
git table length.

Signed-off-by: Marcel Apfelbaum <address@hidden>
Reviewed-by: Yuval Shaia <address@hidden>
---
 hw/rdma/rdma_backend.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c
index 5c7b3d8949..e9ced6f9ef 100644
--- a/hw/rdma/rdma_backend.c
+++ b/hw/rdma/rdma_backend.c
@@ -774,7 +774,7 @@ int rdma_backend_init(RdmaBackendDev *backend_dev,
         goto out_destroy_comm_channel;
     }
 
-    if (backend_dev->backend_gid_idx > port_attr.gid_tbl_len) {
+    if (backend_dev->backend_gid_idx >= port_attr.gid_tbl_len) {
         error_setg(errp, "Invalid backend_gid_idx, should be less than %d",
                    port_attr.gid_tbl_len);
         goto out_destroy_comm_channel;
-- 
2.14.3




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