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Fix NULL pointer

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This commit is contained in:
Rafal Kupiec 2024-02-16 19:05:53 +01:00
parent 00cca9a1c1
commit 109fd094ea
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
1 changed files with 13 additions and 5 deletions
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18
xtoskrnl/rtl/widestr.c
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@ -958,7 +958,7 @@ RtlpFormatWideStringArgumentSpecifier(IN PRTL_PRINT_CONTEXT Context,
GuidArg = VA_ARG(*ArgumentList, PGUID);
}
/* Make sure GUID is not NULL */
/* Make sure a pointer to GUID is not NULL */
if(GuidArg != NULL)
{
/* Write formatted GUID string */
@ -1143,8 +1143,12 @@ RtlpFormatWideStringArgumentSpecifier(IN PRTL_PRINT_CONTEXT Context,
AnsiStrArg = VA_ARG(*ArgumentList, PANSI_STRING);
}
/* Write formatted ANSI string value */
Status = RtlpWriteWideStringStringValue(Context, &FormatProperties, AnsiStrArg->Buffer, AnsiStrArg->Length);
/* Make sure a pointer to ANSI_STRING is not NULL */
if(AnsiStrArg != NULL)
{
/* Write formatted ANSI string value */
Status = RtlpWriteWideStringStringValue(Context, &FormatProperties, AnsiStrArg->Buffer, AnsiStrArg->Length);
}
}
else if(FormatProperties.VariableType == UnicodeString)
{
@ -1161,8 +1165,12 @@ RtlpFormatWideStringArgumentSpecifier(IN PRTL_PRINT_CONTEXT Context,
UnicodeStrArg = VA_ARG(*ArgumentList, PUNICODE_STRING);
}
/* Write formatted UNICODE string value */
Status = RtlpWriteWideStringValue(Context, &FormatProperties, UnicodeStrArg->Buffer, UnicodeStrArg->Length);
/* Make sure a pointer to UNICODE_STRING is not NULL */
if(UnicodeStrArg != NULL)
{
/* Write formatted UNICODE string value */
Status = RtlpWriteWideStringValue(Context, &FormatProperties, UnicodeStrArg->Buffer, UnicodeStrArg->Length);
}
}
/* Cleanup ArgumentsCopy object */