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Fix a buffer overflow bug in VariableSmm driver.
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Dong Guo <guo.dong@intel.com> Reviewed-by: Zhang, Chao <chao.b.zhang@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13534 6f19259b-4bc3-4df7-8a09-765794883524
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@ -319,7 +319,7 @@ SmmVariableGetStatistics (
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}
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StatisticsInfoSize = sizeof (VARIABLE_INFO_ENTRY) + StrSize (VariableInfo->Name);
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if (*InfoSize < sizeof (VARIABLE_INFO_ENTRY)) {
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if (*InfoSize < StatisticsInfoSize) {
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*InfoSize = StatisticsInfoSize;
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return EFI_BUFFER_TOO_SMALL;
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}
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