ntdll: Fix memory region check in NtQueryVirtualMemory.

Patch by buggy@ifel.se. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45218Signed-off-by: Andrew Eikum <aeikum@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntdll: Fix memory region check in NtQueryVirtualMemory.
12be24af · Andrew Eikum · Alexandre Julliard · f09f6865 · 12be24af
Commit 12be24af authored Mar 27, 2019 by Andrew Eikum Committed by Alexandre Julliard Mar 27, 2019
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virtual.c dlls/ntdll/virtual.c +1 -1

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--- 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)
    {