[Bug 47878] New: VirtualProtect across page boundaries does not work

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=47878

            Bug ID: 47878
           Summary: VirtualProtect across page boundaries does not work
           Product: Wine
           Version: unspecified
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: kernel32
          Assignee: wine-bugs at winehq.org
          Reporter: c3210606 at urhen.com
      Distribution: ---

Official VirtualProtect documentation states:

The size of the region whose access protection attributes are to be changed, in
bytes. The region of affected pages includes all pages containing one or more
bytes in the range from the lpAddress parameter to (lpAddress+dwSize). This
means that a 2-byte range straddling a page boundary causes the protection
attributes of both pages to be changed.

This however is not replicated in Wine as only the first page will have its
protection changed and any pages after that resulting from the dwSize crossing
the boundary will not be affected.

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