v3 Fix for open_pages_image_at to read if opened with O_RDWR
v3 Fix for open_pages_image_at to read if opened with O_RDWR

Signed-off-by: Tikhomirov Pavel <2566b75157ba49177214ae1d5f51030018b1e134@gmail.com>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@parallels.com>

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