Thanks for the contribution. Reviewed-by: Star Zeng <[email protected]> to the patch series. And push the patches to d741d1419350dc4ae868d4a9396f9da33a3416a0 and 989f7a2cf0e27123fda5ca538b15832e115e0f4e.
Thanks, Star -----Original Message----- From: edk2-devel [mailto:[email protected]] On Behalf Of cinnamon shia Sent: Friday, May 11, 2018 11:21 PM To: [email protected] Cc: [email protected]; Zeng, Star <[email protected]>; Ansen Huang <[email protected]> Subject: [edk2] [PATCH v2 1/2] MdeModulePkg Variable: Fix a corner case issue about setting a variable Fix the issue that failed to update or add a UEFI variable if the remaining size is equal to the data size of the variable. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: cinnamon shia <[email protected]> Signed-off-by: Ansen Huang <[email protected]> --- MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c index 6caf603b3d..7303681aaa 100644 --- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c +++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c @@ -17,7 +17,7 @@ integer overflow. It should also check attribute to avoid authentication bypass. Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR> -(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR> +(C) Copyright 2015-2018 Hewlett Packard Enterprise Development LP<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 @@ -288,7 +288,7 @@ UpdateVariableStore ( DataPtr += mVariableModuleGlobal->VariableGlobal.NonVolatileVariableBase; } - if ((DataPtr + DataSize) >= ((EFI_PHYSICAL_ADDRESS) (UINTN) ((UINT8 *) FwVolHeader + FwVolHeader->FvLength))) { + if ((DataPtr + DataSize) > ((EFI_PHYSICAL_ADDRESS) (UINTN) ((UINT8 *) FwVolHeader + FwVolHeader->FvLength))) { return EFI_INVALID_PARAMETER; } } else { @@ -301,7 +301,7 @@ UpdateVariableStore ( DataPtr += mVariableModuleGlobal->VariableGlobal.VolatileVariableBase; } - if ((DataPtr + DataSize) >= ((UINTN) ((UINT8 *) VolatileBase + VolatileBase->Size))) { + if ((DataPtr + DataSize) > ((UINTN) ((UINT8 *) VolatileBase + VolatileBase->Size))) { return EFI_INVALID_PARAMETER; } -- 2.16.1.windows.4 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
