Dmitry Timoshkov : ntdll: NtReadFile should fail for overlapped IO on files if offset is negative.
Alexandre Julliard
julliard at winehq.org
Fri Sep 13 10:15:50 CDT 2013
Module: wine
Branch: master
Commit: eb10471bac5510ab5a265069c472e9085e721191
URL: http://source.winehq.org/git/wine.git/?a=commit;h=eb10471bac5510ab5a265069c472e9085e721191
Author: Dmitry Timoshkov <dmitry at baikal.ru>
Date: Fri Sep 13 15:45:53 2013 +0900
ntdll: NtReadFile should fail for overlapped IO on files if offset is negative.
---
dlls/ntdll/file.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/dlls/ntdll/file.c b/dlls/ntdll/file.c
index 2d07255..15e8829 100644
--- a/dlls/ntdll/file.c
+++ b/dlls/ntdll/file.c
@@ -606,7 +606,7 @@ NTSTATUS WINAPI NtReadFile(HANDLE hFile, HANDLE hEvent,
if (type == FD_TYPE_FILE)
{
- if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) && !offset)
+ if (!(options & (FILE_SYNCHRONOUS_IO_ALERT | FILE_SYNCHRONOUS_IO_NONALERT)) && (!offset || offset->QuadPart < 0))
{
status = STATUS_INVALID_PARAMETER;
goto done;
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