From 5ab6d04b43ebdce0b7de62cae051cd554e9a52a1 Mon Sep 17 00:00:00 2001
From: fengtao40 <fengtao40@huawei.com>
Date: Tue, 11 Feb 2020 21:08:07 -0500
Subject: [PATCH] Fix buffer overflow in ipmi_get_session_info

---
 lib/ipmi_session.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/lib/ipmi_session.c b/lib/ipmi_session.c
index 141f0f4..01d3c24 100644
--- a/lib/ipmi_session.c
+++ b/lib/ipmi_session.c
@@ -309,8 +309,10 @@ ipmi_get_session_info(struct ipmi_intf         * intf,
 		}
 		else
 		{
-			memcpy(&session_info,  rsp->data, rsp->data_len);
-			print_session_info(&session_info, rsp->data_len);
+			memcpy(&session_info,  rsp->data,
+			       __min(rsp->data_len, sizeof(session_info)));
+			print_session_info(&session_info,
+			                   __min(rsp->data_len, sizeof(session_info)));
 		}
 		break;
 		
@@ -341,9 +343,11 @@ ipmi_get_session_info(struct ipmi_intf         * intf,
 				break;
 			}
 
-			memcpy(&session_info,  rsp->data, rsp->data_len);
-			print_session_info(&session_info, rsp->data_len);
-			
+			memcpy(&session_info,  rsp->data,
+			       __min(rsp->data_len, sizeof(session_info)));
+			print_session_info(&session_info,
+			                   __min(rsp->data_len, sizeof(session_info)));
+
 		} while (i <= session_info.session_slot_count);
 		break;
 	}
-- 
2.19.1