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comps_objmrtree_copy(), the copy method of COMPS_ObjMDict, appended the copied nodes to ret->subnodes without ever creating that list, so comps_object_copy() of any blacklist/whiteout dict (and of a document containing one) used uninitialized memory and crashed. Signed-off-by: hanjinpeng <hanjinpeng@kylinos.cn>
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comps_objmrtree_copy(), the copy method of COMPS_ObjMDict, appended the copied nodes to ret->subnodes without ever creating that list, so comps_object_copy() of any blacklist/whiteout dict (and of a document containing one) used uninitialized memory and crashed.