[reactos] 04/05: [NTOSKRNL] Properly compare position to name length in FsRtlIsNameInExpressionPrivate

[Bartosz Brachaczek]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=21d2c70bb45e7c83ebc7a6...

commit 21d2c70bb45e7c83ebc7a6acd22216ff2fb78280
Author:     Bartosz Brachaczek [e-mail]
AuthorDate: Sun Mar 31 11:32:57 2019 +0200
Commit:     Pierre Schweitzer [e-mail]
CommitDate: Sun Mar 31 11:44:00 2019 +0200

[NTOSKRNL] Properly compare position to name length in FsRtlIsNameInExpressionPrivate

CORE-15902
---
 ntoskrnl/fsrtl/name.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ntoskrnl/fsrtl/name.c b/ntoskrnl/fsrtl/name.c
index 393815ffef..ae934900f4 100644
--- a/ntoskrnl/fsrtl/name.c
+++ b/ntoskrnl/fsrtl/name.c
@@ -200,7 +200,7 @@ FsRtlIsNameInExpressionPrivate(IN PUNICODE_STRING Expression,
                     DontSkipDot = TRUE;
                     if (!EndOfName && Name->Buffer[NamePosition] == '.')
                     {
-                        for (Position = NamePosition - 1; Position < Name->Length; Position++)
+                        for (Position = NamePosition - 1; Position < Name->Length / sizeof(WCHAR); Position++)
                         {
                             if (Name->Buffer[Position] == L'.')
                             {