winbind: tdb(/var/lib/samba/winbindd_cache.tdb): tdb_expand overflow detected current map_size

Solution Verified - Updated -

Issue

  • Server went in hung state & AD users are not able to login, following errors are logged in /var/log/messages:
   winbindd[xxxx]:   tdb(/var/lib/samba/winbindd_cache.tdb): tdb_expand overflow detected current 
   map_size[4294967295] size[172]!
   winbindd[xxxx]: [2022/10/21 10:50:09.844396,  0] lib/util_tdb.c:388(tdb_log)
   winbindd[xxxx]:   tdb(/var/lib/samba/winbindd_cache.tdb): tdb_expand overflow detected current 
   map_size[4294967295] size[328]!
   winbindd[xxxx]: [2022/10/21 10:50:09.844682,  0] lib/util_tdb.c:388(tdb_log)
   winbindd[xxxx]:   tdb(/var/lib/samba/winbindd_cache.tdb): tdb_expand overflow detected current 
   map_size[4294967295] size[172]!

Environment

  • Red Hat Enterprise Linux 6
  • samba

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