ShellPkg/Cp: Handle memory allocation failure

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>

1 files changed, 13 insertions, 6 deletions

diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c
index 5cfbc90..eb1f3b6 100644
--- a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c
+++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c
@@ -2,7 +2,7 @@
   Main file for cp shell level 2 function.

 

   (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>

-  Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>

+  Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>

   This program and the accompanying materials

   are licensed and made available under the terms and conditions of the BSD License

   which accompanies this distribution.  The full text of the license may be found at

@@ -229,7 +229,10 @@ CopySingleFile(
       // copy data between files

       //

       Buffer = AllocateZeroPool(ReadSize);

-      ASSERT(Buffer != NULL);

+      if (Buffer == NULL) {

+        ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellLevel2HiiHandle, CmdName);

+        return SHELL_OUT_OF_RESOURCES;

+      }

       while (ReadSize == PcdGet32(PcdShellFileOperationSize) && !EFI_ERROR(Status)) {

         Status = ShellReadFile(SourceHandle, &ReadSize, Buffer);

         if (!EFI_ERROR(Status)) {

@@ -717,10 +720,14 @@ ShellCommandRunCp (
             ShellStatus = SHELL_NOT_FOUND;

           } else  {

             FullCwd = AllocateZeroPool(StrSize(Cwd) + sizeof(CHAR16));

-            ASSERT (FullCwd != NULL);

-            StrCpyS(FullCwd, StrSize(Cwd)/sizeof(CHAR16)+1, Cwd);

-            ShellStatus = ProcessValidateAndCopyFiles(FileList, FullCwd, SilentMode, RecursiveMode);

-            FreePool(FullCwd);

+            if (FullCwd == NULL) {

+              ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellLevel2HiiHandle, L"cp");

+              ShellStatus = SHELL_OUT_OF_RESOURCES;

+            } else {

+              StrCpyS (FullCwd, StrSize (Cwd) / sizeof (CHAR16) + 1, Cwd);

+              ShellStatus = ProcessValidateAndCopyFiles (FileList, FullCwd, SilentMode, RecursiveMode);

+              FreePool (FullCwd);

+            }

           }

         }