[Bug libc/17363] New: getnetgrent returns a truncated list if one of the netgroups in its tree is empty

["siddhesh at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=17363

            Bug ID: 17363
           Summary: getnetgrent returns a truncated list if one of the
                    netgroups in its tree is empty
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: siddhesh at redhat dot com
          Reporter: siddhesh at redhat dot com
                CC: drepper.fsp at gmail dot com

getnetgrent does not return the complete list of entries if one of the
netgroups in its definition tree is empty.

How Reproducible:

Always.

Steps to Reproduce:

Put the following in /etc/netgroup:

netgr gr1 gr2 gr3
gr1 (,u1,)
gr2 (,u2,)
gr3 gr5 gr6
gr5
gr6 (,u3,)

$ getent netgroup netgr

Actual Results:

netgr                 ( ,u3,)

Expected Result:

netgr                 ( ,u1,) ( ,u2,) ( ,u3,)

Additional information:

This works correctly with nscd enabled.

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