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Nov 2022 06:56:12 +0000 From: "Kalaivani P via groups.io" To: "devel@edk2.groups.io" , Kalaivani P CC: Sundaresan S , Vasudevan S , Arun K , Sainadh Nagolu , Vasudevan S Subject: [edk2-devel] [PATCH] ShellPkg: Multiple Coverity issues were found from EDK2 ShellPkg Thread-Topic: [PATCH] ShellPkg: Multiple Coverity issues were found from EDK2 ShellPkg Thread-Index: AQHZA7+qZsrxrDS6ZUuAszBpixN6TA== Date: Tue, 29 Nov 2022 06:56:12 +0000 Message-ID: <20221129065552.482-1-kalaivanip@ami.com> Accept-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: PH7PR10MB5831:EE_|CY8PR10MB6825:EE_ x-ms-office365-filtering-correlation-id: f106054d-eba9-40e6-0aa9-08dad1d6cd5b x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam-message-info: 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ami.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PH7PR10MB5831.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: f106054d-eba9-40e6-0aa9-08dad1d6cd5b X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Nov 2022 06:56:12.4380 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 27e97857-e15f-486c-b58e-86c2b3040f93 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: iQrhddfH6NsfzqWkvLoT5h7/8nFg66oZuZq5ahjNQwPY9BuuMtxt2hAcKdvLYaXIy7zYHJ9nzUwWJz0sCxbf8g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR10MB6825 Precedence: Bulk List-Unsubscribe: List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,kalaivanip@ami.com X-Gm-Message-State: kZcxddd0NAfXtqP3RHpwoMJyx1787277AA= Content-Language: en-US Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=groups.io; q=dns/txt; s=20140610; t=1669704981; bh=UuRCmLkt0mw2r8ZLn9elB2HUddebwXwfZzzmd5Jz9fk=; h=CC:Content-Type:Date:From:Reply-To:Subject:To; b=JAny8AyQToqZtCYPPz9LFZQTG2/tvxYtMEVpqnV+UeQDQdq3SyV4OH3WxJAKrCDOr6x 9clvU9rP9AYFdBZbUXdrQe76h/CuNc9qAbAoBOBx690go7luliqanJG24UnXjYUMtaFYB FvMvoNLz7v4YFTQ2922jlOXRdBG3516pinY= X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1669704983269100001 Content-Type: text/plain; charset="utf-8" Attached is the report for Coverity issues identified in ShellPkg based on edk2-stable202205. Cc: Vasudevan Sambandan Cc: Sundaresan Selvaraj Cc: Arun k Cc: Sainadh N Signed-off-by: Kalaivani P --- ShellPkg/Application/Shell/ShellManParser.c | 6 +++++- ShellPkg/Application/Shell/ShellProtocol.c | 3 ++- .../Library/UefiShellDebug1CommandsLib/Dblk.c | 6 +++--- .../HexEdit/BufferImage.c | 10 ++++++--- .../HexEdit/FileImage.c | 6 +++++- .../UefiShellDriver1CommandsLib/DrvCfg.c | 3 ++- .../Library/UefiShellLevel1CommandsLib/For.c | 4 ++++ .../Library/UefiShellLevel1CommandsLib/If.c | 4 ++++ .../Library/UefiShellLevel2CommandsLib/Vol.c | 5 ++++- .../Library/UefiShellLevel3CommandsLib/Help.c | 4 ++++ ShellPkg/Library/UefiShellLib/UefiShellLib.c | 21 +++++++++++++++---- 11 files changed, 57 insertions(+), 15 deletions(-) diff --git a/ShellPkg/Application/Shell/ShellManParser.c b/ShellPkg/Applica= tion/Shell/ShellManParser.c index 5c823cd7f5..716eb17a1d 100644 --- a/ShellPkg/Application/Shell/ShellManParser.c +++ b/ShellPkg/Application/Shell/ShellManParser.c @@ -2,6 +2,7 @@ Provides interface to shell MAN file parser. Copyright (c) 2009 - 2019, Intel Corporation. All rights reserved.
+ Copyright (c) 1985 - 2022, American Megatrends International LLC.
Copyright 2015 Dell Inc. SPDX-License-Identifier: BSD-2-Clause-Patent @@ -601,7 +602,10 @@ ProcessManFile ( if (TempString !=3D NULL) { FileHandle =3D ConvertEfiFileProtocolToShellHandle (CreateFileInterfac= eMem (TRUE), NULL); HelpSize =3D StrLen (TempString) * sizeof (CHAR16); - ShellWriteFile (FileHandle, &HelpSize, TempString); + Status =3D ShellWriteFile (FileHandle, &HelpSize, TempString); + if (EFI_ERROR (Status)) { + return Status; + } ShellSetFilePosition (FileHandle, 0); HelpSize =3D 0; BriefSize =3D 0; diff --git a/ShellPkg/Application/Shell/ShellProtocol.c b/ShellPkg/Applicat= ion/Shell/ShellProtocol.c index 509eb60e40..fbe1d7e01f 100644 --- a/ShellPkg/Application/Shell/ShellProtocol.c +++ b/ShellPkg/Application/Shell/ShellProtocol.c @@ -5,6 +5,7 @@ (C) Copyright 2014 Hewlett-Packard Development Company, L.P.
(C) Copyright 2016 Hewlett Packard Enterprise Development LP
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
+ Copyright (c) 1985 - 2022, American Megatrends International LLC.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -2518,7 +2519,7 @@ ShellSearchHandle ( EfiShellClose (ShellInfoNode->Handle); ShellInfoNode->Handle =3D NULL; } - } else if (!EFI_ERROR (Status)) { + } else if (!EFI_ERROR (Status) && (ShellInfoNode->FullName =3D= =3D NULL)) { // // should be a file // diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c b/ShellPkg/= Library/UefiShellDebug1CommandsLib/Dblk.c index 97a4b57a93..08372d9fa4 100644 --- a/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c +++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c @@ -3,6 +3,7 @@ (C) Copyright 2015 Hewlett-Packard Development Company, L.P.
Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.
+ Copyright (c) 1985 - 2022, American Megatrends International LLC.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -45,8 +46,7 @@ DisplayTheBlocks ( if (EFI_ERROR (Status)) { return (SHELL_NOT_FOUND); } - - BufferSize =3D BlockIo->Media->BlockSize * BlockCount; + BufferSize =3D BlockIo->Media->BlockSize * (UINTN)BlockCount; if (BlockIo->Media->IoAlign =3D=3D 0) { BlockIo->Media->IoAlign =3D 1; } @@ -55,7 +55,7 @@ DisplayTheBlocks ( OriginalBuffer =3D AllocateZeroPool (BufferSize + BlockIo->Media->IoAl= ign); Buffer =3D ALIGN_POINTER (OriginalBuffer, BlockIo->Media->IoAl= ign); } else { - ShellPrintEx (-1, -1, L" BlockSize: 0x%08x, BlockCount: 0x%08x\r\n", = BlockIo->Media->BlockSize, BlockCount); + ShellPrintEx (-1, -1, L" BlockSize: 0x%08x, BlockCount: 0x%08x\r\n", = BlockIo->Media->BlockSize,(UINTN)BlockCount); OriginalBuffer =3D NULL; Buffer =3D NULL; } diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/BufferImag= e.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/BufferImage.c index be77e31a40..e68ab7c21a 100644 --- a/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/BufferImage.c +++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/BufferImage.c @@ -3,6 +3,7 @@ as well as the event handlers for editing the file Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.
+ Copyright (c) 1985 - 2022, American Megatrends International LLC.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -2036,7 +2037,8 @@ HBufferImageAddCharacterToBuffer ( UINTN OldPos; UINTN NewPos; - + EFI_STATUS Status; + Size =3D HBufferImageGetTotalSize (); // @@ -2083,10 +2085,12 @@ HBufferImageAddCharacterToBuffer ( Size +=3D Count; HBufferImageFreeLines (); - - HBufferImageBufferToList (Buffer, Size); + Status =3D HBufferImageBufferToList (Buffer, Size); FreePool (Buffer); + if (EFI_ERROR (Status)) { + return Status; + } Link =3D HMainEditor.BufferImage->ListHead->ForwardLink; for (Index =3D 0; Index < (INTN)NewPos / 0x10; Index++) { diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/FileImage.= c b/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/FileImage.c index d8818dd958..8907a66845 100644 --- a/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/FileImage.c +++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/FileImage.c @@ -2,6 +2,7 @@ Functions to deal with file buffer. Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.
+ Copyright (c) 1985 - 2022, American Megatrends International LLC.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -245,6 +246,7 @@ HFileImageRead ( @retval EFI_SUCCESS The operation was successful. @retval EFI_OUT_OF_RESOURCES A memory allocation failed. @retval EFI_LOAD_ERROR A load error occurred. + @retval EFI_INVALID_PARAMETER FileName input parameter is NULL. **/ EFI_STATUS HFileImageSave ( @@ -264,7 +266,9 @@ HFileImageSave ( BufferTypeBackup =3D HBufferImage.BufferType; HBufferImage.BufferType =3D FileTypeFileBuffer; - + if (FileName =3D=3D NULL) { + return EFI_INVALID_PARAMETER; + } // // if is the old file // diff --git a/ShellPkg/Library/UefiShellDriver1CommandsLib/DrvCfg.c b/ShellP= kg/Library/UefiShellDriver1CommandsLib/DrvCfg.c index 9bbbb1444d..04b46256df 100644 --- a/ShellPkg/Library/UefiShellDriver1CommandsLib/DrvCfg.c +++ b/ShellPkg/Library/UefiShellDriver1CommandsLib/DrvCfg.c @@ -3,6 +3,7 @@ (C) Copyright 2015 Hewlett-Packard Development Company, L.P.
Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.
+ Copyright (c) 1985 - 2022, American Megatrends International LLC.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -355,7 +356,7 @@ ConfigFromFile ( } MainBuffer =3D AllocateZeroPool ((UINTN)MainBufferSize); - if (EFI_ERROR (Status)) { + if (MainBuffer =3D=3D NULL) { ShellPrintHiiEx ( -1, -1, diff --git a/ShellPkg/Library/UefiShellLevel1CommandsLib/For.c b/ShellPkg/L= ibrary/UefiShellLevel1CommandsLib/For.c index 8a6a940f28..6e413a1813 100644 --- a/ShellPkg/Library/UefiShellLevel1CommandsLib/For.c +++ b/ShellPkg/Library/UefiShellLevel1CommandsLib/For.c @@ -3,6 +3,7 @@ (C) Copyright 2015 Hewlett-Packard Development Company, L.P.
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
+ Copyright (c) 1985 - 2022, American Megatrends International LLC.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -335,6 +336,9 @@ ShellCommandRunFor ( CurrentScriptFile =3D ShellCommandGetCurrentScriptFile (); ASSERT (CurrentScriptFile !=3D NULL); + if (CurrentScriptFile =3D=3D NULL) { + return (SHELL_DEVICE_ERROR); + } if ((CurrentScriptFile->CurrentCommand !=3D NULL) && (CurrentScriptFile-= >CurrentCommand->Data =3D=3D NULL)) { FirstPass =3D TRUE; diff --git a/ShellPkg/Library/UefiShellLevel1CommandsLib/If.c b/ShellPkg/Li= brary/UefiShellLevel1CommandsLib/If.c index b4a6966edb..5607ef6e82 100644 --- a/ShellPkg/Library/UefiShellLevel1CommandsLib/If.c +++ b/ShellPkg/Library/UefiShellLevel1CommandsLib/If.c @@ -3,6 +3,7 @@ (C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
+ Copyright (c) 1985 - 2022, American Megatrends International LLC.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -100,6 +101,9 @@ IsValidProfile ( ProfilesString =3D ShellGetEnvironmentVariable (L"profiles"); ASSERT (ProfilesString !=3D NULL); + if (ProfilesString =3D=3D NULL) { + return FALSE; + } TempLocation =3D StrStr (ProfilesString, String); if ((TempLocation !=3D NULL) && (*(TempLocation-1) =3D=3D L';') && (*(Te= mpLocation+StrLen (String)) =3D=3D L';')) { return (TRUE); diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Vol.c b/ShellPkg/L= ibrary/UefiShellLevel2CommandsLib/Vol.c index 8f7310c074..045577203b 100644 --- a/ShellPkg/Library/UefiShellLevel2CommandsLib/Vol.c +++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Vol.c @@ -3,6 +3,7 @@ (C) Copyright 2015 Hewlett-Packard Development Company, L.P.
Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.
+ Copyright (c) 1985 - 2022, American Megatrends International LLC.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -97,7 +98,9 @@ HandleVol ( } ASSERT (SysInfo !=3D NULL); - + if (SysInfo =3D=3D NULL) { + return (SHELL_OUT_OF_RESOURCES);; + } if (Delete) { *((CHAR16 *)SysInfo->VolumeLabel) =3D CHAR_NULL; SysInfo->Size =3D SIZE_OF_EFI_FILE_SYSTEM_INFO + S= trSize (SysInfo->VolumeLabel); diff --git a/ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c b/ShellPkg/= Library/UefiShellLevel3CommandsLib/Help.c index 7f146bb9fb..17fb989d02 100644 --- a/ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c +++ b/ShellPkg/Library/UefiShellLevel3CommandsLib/Help.c @@ -3,6 +3,7 @@ Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
Copyright (c) 2014, ARM Limited. All rights reserved.
+ Copyright (c) 1985 - 2022, American Megatrends International LLC.
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.
SPDX-License-Identifier: BSD-2-Clause-Patent @@ -118,6 +119,9 @@ CopyListOfCommandNames ( { CONST COMMAND_LIST *Node; + if (SourceList =3D=3D NULL) { + return SHELL_INVALID_PARAMETER;; + } for ( Node =3D (COMMAND_LIST *)GetFirstNode (&SourceList->Link) ; SourceList !=3D NULL && !IsListEmpty (&SourceList->Link) && !IsN= ull (&SourceList->Link, &Node->Link) ; Node =3D (COMMAND_LIST *)GetNextNode (&SourceList->Link, &Node->= Link) diff --git a/ShellPkg/Library/UefiShellLib/UefiShellLib.c b/ShellPkg/Librar= y/UefiShellLib/UefiShellLib.c index a72767bd86..eae6553d91 100644 --- a/ShellPkg/Library/UefiShellLib/UefiShellLib.c +++ b/ShellPkg/Library/UefiShellLib/UefiShellLib.c @@ -1,9 +1,11 @@ + /** @file Provides interface to shell functionality for shell commands and applica= tions. (C) Copyright 2016 Hewlett Packard Enterprise Development LP
Copyright 2016-2018 Dell Technologies.
Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.
+ Copyright (c) 1985 - 2022, American Megatrends International LLC.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -1761,7 +1763,9 @@ ShellCloseFileMetaArg ( // ASSERT that ListHead is not NULL // ASSERT (ListHead !=3D NULL); - + if (ListHead =3D=3D NULL) { + return (SHELL_INVALID_PARAMETER); + } // // Check for UEFI Shell 2.0 protocols // @@ -2221,6 +2225,10 @@ InternalCommandLineParse ( if (CurrentItemPackage->Name =3D=3D NULL) { ShellCommandLineFreeVarList (*CheckPackage); *CheckPackage =3D NULL; + // Fixing memory leak here + SHELL_FREE_NON_NULL (CurrentItemPackage); return (EFI_OUT_OF_RESOURCES); } @@ -2323,6 +2331,10 @@ InternalCommandLineParse ( if (CurrentItemPackage->Value =3D=3D NULL) { ShellCommandLineFreeVarList (*CheckPackage); *CheckPackage =3D NULL; + // Fixing memory leak here + SHELL_FREE_NON_NULL (CurrentItemPackage); return (EFI_OUT_OF_RESOURCES); } @@ -4377,9 +4389,10 @@ ShellFileHandleReadLine ( return (EFI_INVALID_PARAMETER); } - if (Buffer =3D=3D NULL) { - ASSERT (*Size =3D=3D 0); - } else { + if ((Buffer =3D=3D NULL) || (*Size =3D=3D 0)) { + return EFI_INVALID_PARAMETER; + } + else { *Buffer =3D CHAR_NULL; } -- 2.36.0.windows.1 -The information contained in this message may be confidential and propriet= ary to American Megatrends (AMI). This communication is intended to be read= only by the individual or entity to whom it is addressed or by their desig= nee. If the reader of this message is not the intended recipient, you are o= n notice that any distribution of this message, in any form, is strictly pr= ohibited. Please promptly notify the sender by reply e-mail or by telephone= at 770-246-8600, and then delete or destroy all copies of the transmission. -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#96669): https://edk2.groups.io/g/devel/message/96669 Mute This Topic: https://groups.io/mt/95329853/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-