Messages in this thread | | | Date | Mon, 4 Mar 2002 16:20:31 +0100 | From | Jan Hudec <> | Subject | Re: Group membership problem |
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> I have Slackware 7.1 with 2.4.16 kernel. And I have a user who is a member of > a number of groups. Linux can't grant access to the user if the group's > number he is member of is more than 32. For example if he is member of 32 > groups - everything is O.K. , but when I make him a member of the 33-rd group > he will not be granted access to resource which is owned by that group. > Is there any limit in Linux for the number of groups to be member of? > And how can I solve that problem?
Unfortunately there is. Secondary group list is soteed in task_struct in an array. IIRC it's called groups and declared with NGROUPS elements, which is in turn #defined 32. You can try and change it in the source.
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