Andrew Eikum : ntdll: Fix memory region check in NtQueryVirtualMemory.
Alexandre Julliard
julliard at winehq.org
Wed Mar 27 17:27:37 CDT 2019
Module: wine
Branch: master
Commit: 12be24af8cab0e5f78795b164ec8847bafc30852
URL: https://source.winehq.org/git/wine.git/?a=commit;h=12be24af8cab0e5f78795b164ec8847bafc30852
Author: Andrew Eikum <aeikum at codeweavers.com>
Date: Wed Mar 27 11:33:25 2019 -0500
ntdll: Fix memory region check in NtQueryVirtualMemory.
Patch by buggy at ifel.se.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45218
Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ntdll/virtual.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dlls/ntdll/virtual.c b/dlls/ntdll/virtual.c
index 76dc6c2..fb6ede6 100644
--- a/dlls/ntdll/virtual.c
+++ b/dlls/ntdll/virtual.c
@@ -2756,7 +2756,7 @@ static int get_free_mem_state_callback( void *start, size_t size, void *arg )
MEMORY_BASIC_INFORMATION *info = arg;
void *end = (char *)start + size;
- if ((char *)info->BaseAddress + info->RegionSize < (char *)start) return 0;
+ if ((char *)info->BaseAddress + info->RegionSize <= (char *)start) return 0;
if (info->BaseAddress >= end)
{
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