pointer verification (not NULL) and buffer overrun fixes.

[mirror_edk2.git] / ShellPkg / Library / UefiShellNetwork1CommandsLib / Ping.c

diff --git a/ShellPkg/Library/UefiShellNetwork1CommandsLib/Ping.c b/ShellPkg/Library/UefiShellNetwork1CommandsLib/Ping.c
index 493de26f8a95992543350c391ac475fb3eb06798..7982f99c579cb05b22e5c3299f81a0f79515ed47 100644 (file)
--- a/ShellPkg/Library/UefiShellNetwork1CommandsLib/Ping.c
+++ b/ShellPkg/Library/UefiShellNetwork1CommandsLib/Ping.c
@@ -883,7 +883,7 @@ PingCreateIpInstance (
                   &HandleNum,\r
                   &HandleBuffer\r
                   );\r
-  if (EFI_ERROR (Status) || (HandleNum == 0)) {\r
+  if (EFI_ERROR (Status) || (HandleNum == 0) || (HandleBuffer == NULL)) {\r
     return EFI_ABORTED;\r
   }\r
   //\r