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[USERSRV] HardError: Free WindowTitleU buffer only if we really allocated it.

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Hermès Bélusca-Maïto 2018-06-09 15:37:54 +02:00
parent 704baed2df
commit 7cb411e88f
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1 changed files with 4 additions and 2 deletions
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6
win32ss/user/winsrv/usersrv/harderror.c
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@ -641,8 +641,10 @@ UserpFormatMessages(
CaptionStringU->Length = (USHORT)(wcslen(CaptionStringU->Buffer) * sizeof(WCHAR));
/* Free the strings if needed */
if (WindowTitleU.Buffer) RtlFreeUnicodeString(&WindowTitleU);
if (hProcess) RtlFreeUnicodeString(&FileNameU);
if (WindowTitleU.Buffer && (WindowTitleU.MaximumLength != 0))
RtlFreeUnicodeString(&WindowTitleU);
if (hProcess)
RtlFreeUnicodeString(&FileNameU);
Format2A.Buffer = NULL;