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由 Max Reitz 提交于
alloc_clusters_noref() stores the cluster index in a uint64_t. However, offsets are often represented as int64_t (as for example the return value of alloc_clusters_noref() itself demonstrates). Therefore, we should make sure all offsets in the allocated range of clusters are representable using int64_t without overflows. Signed-off-by: NMax Reitz <mreitz@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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