On Tue, Mar 16, 2021 at 01:27:46PM +0000, Sidong Yang wrote:
> When user assign qgroup with qgroup id that is too big to exceeds
> range and invade level value, and it works without any error. but
> this action would be make undefined error. this code make sure that
> qgroup id doesn't exceed range(0 ~ 2^48-1).

Should the level be also validate? The function parse_qgroupid does not
do full validation, so eg 0//0 would be parsed as a path and not as a
typo, level larger than 64K will be silently clamped.

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