NetworkPkg: Fix incorrect unicode string of the AKM/Cipher Suiteedk2-stable202202

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3813

The size of buffer should be 3 CHAR16 for Null-terminated Unicode
string.
The first char is the AKM/Cipher Suite number, the second char is ' ',
the third char is '\0'.

Cc: Maciej Rabeda <maciej.rabeda@linux.intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
Signed-off-by: Heng Luo <heng.luo@intel.com>
Reviewed-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>

1 files changed, 12 insertions, 4 deletions

diff --git a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrHiiConfigAccess.c b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrHiiConfigAccess.c
index b49825bcb7..7cb2bfc281 100644
--- a/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrHiiConfigAccess.c
+++ b/NetworkPkg/WifiConnectionManagerDxe/WifiConnectionMgrHiiConfigAccess.c
@@ -280,12 +280,16 @@ WifiMgrGetStrAKMList (
     //

     // Current AKM Suite is between 1-9

     //

-    AKMListDisplay = (CHAR16 *)AllocateZeroPool (sizeof (CHAR16) * AKMSuiteCount * 2);

+    AKMListDisplay = (CHAR16 *)AllocateZeroPool (sizeof (CHAR16) * (AKMSuiteCount * 2 + 1));

     if (AKMListDisplay != NULL) {

       for (Index = 0; Index < AKMSuiteCount; Index++) {

+        //

+        // The size of buffer should be 3 CHAR16 for Null-terminated Unicode string.

+        // The first char is the AKM Suite number, the second char is ' ', the third char is '\0'.

+        //

         UnicodeSPrint (

           AKMListDisplay + (Index * 2),

-          sizeof (CHAR16) * 2,

+          sizeof (CHAR16) * 3,

           L"%d ",

           Profile->Network.AKMSuite->AKMSuiteList[Index].SuiteType

           );

@@ -333,12 +337,16 @@ WifiMgrGetStrCipherList (
     //

     // Current Cipher Suite is between 1-9

     //

-    CipherListDisplay = (CHAR16 *)AllocateZeroPool (sizeof (CHAR16) * CipherSuiteCount * 2);

+    CipherListDisplay = (CHAR16 *)AllocateZeroPool (sizeof (CHAR16) * (CipherSuiteCount * 2 + 1));

     if (CipherListDisplay != NULL) {

       for (Index = 0; Index < CipherSuiteCount; Index++) {

+        //

+        // The size of buffer should be 3 CHAR16 for Null-terminated Unicode string.

+        // The first char is the Cipher Suite number, the second char is ' ', the third char is '\0'.

+        //

         UnicodeSPrint (

           CipherListDisplay + (Index * 2),

-          sizeof (CHAR16) * 2,

+          sizeof (CHAR16) * 3,

           L"%d ",

           Profile->Network.CipherSuite->CipherSuiteList[Index].SuiteType

           );