Red Hat Bugzilla – Bug 144671
Group Limitation of 32 Causing Issues
Last modified: 2007-11-30 17:07:05 EST
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User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Tyco
Electronics 01/2003; SV1; .NET CLR 1.1.4322)
Description of problem:
As a large corporation using Linux to support both Windows PCs and
various UNIX platforms, we would like to have the maximum number of
groups that a user can be a member of increased from the current
maximum of 32 to 64, 128, or 256 to allow for a more granular
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Add a user to 33 groups in the /etc/group file.
2. Change the permissions on a file so that only the 32nd group has
access to the file.
3. Try to access the file (successful)
4. Change the permissions on the same file so that only the 33rd
group has access to the file.
5. Try to access the file (unsuccessful)
Actual Results: The first attempt is successful and the second
Internal RFE bug #144721 entered; will be considered for future releases.
This was already discussed in internal bug #133299. We cannot change NGROUPS
for RHEL3 due to Kernel ABI issues, but for our upcoming RHEL4 release, this
restriction will be lifted.
*** Bug 146258 has been marked as a duplicate of this bug. ***