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由 Dan Carpenter 提交于
"len" hasn't been properly range checked so we shouldn't use it as an array offset. This can only be written to by root but it would still be annoying to accidentally write more than 3 characters and corrupt your memory. Signed-off-by: NDan Carpenter <error27@gmail.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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