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由 Jens Axboe 提交于
If the iovec is being set up in a way that causes uaddr + PAGE_SIZE to overflow, we could end up attempting to map a huge number of pages. Check for this invalid input type. Reported-by: NDan Rosenberg <drosenberg@vsecurity.com> Cc: stable@kernel.org Signed-off-by: NJens Axboe <jaxboe@fusionio.com>
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