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SecurityPkg: only clear HashInterface information 

The ZeroMem() call goes beyond the HashInterfaceHob structure, causing
HOB list corruption. Instead, just clear the HashInterface fields, as
I suppose was originally intended.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marc-Andr? Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
This commit is contained in:
Marc-Andr? Lureau 2018-03-07 04:27:18 +08:00 committed by Zhang, Chao B
parent 7db1458f75
commit 4cc2b63bd8
1 changed files with 2 additions and 1 deletions
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3
SecurityPkg/Library/HashLibBaseCryptoRouter/HashLibBaseCryptoRouterPei.c
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@ -424,7 +424,8 @@ HashLibBaseCryptoRouterPeiConstructor (
// This is the second execution of this module, clear the hash interface // This is the second execution of this module, clear the hash interface
// information registered at its first execution. // information registered at its first execution.
// //
ZeroMem (&HashInterfaceHob->HashInterface, sizeof (*HashInterfaceHob) - sizeof (EFI_GUID)); ZeroMem (&HashInterfaceHob->HashInterface, sizeof (HashInterfaceHob->HashInterface));
HashInterfaceHob->HashInterfaceCount = 0;
} }
// //