The cupsd daemon got crashed when it is configured to populate and fetch printer information from LDAP server on Red Hat Enterprise Linux 6.

Issue

• The cupsd daemon got crashed when it is configured to populate and fetch printer information from LDAP server on Red Hat Enterprise Linux 6.

• If three printers are already added on cups. Then configure cups to populate LDAP the crash do not occur.

• Then use 'lpadmin' is used add one more print queue cups got crashed.

  # service cups status
  cupsd dead but pid file exists
  
  # gdb -c coredump cupsd
  
  (gdb) bt
  #0  0x00007fef6d3d5a45 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
  #1  0x00007fef6d3d7225 in abort () at abort.c:92
  #2  0x00007fef6d3ce9d5 in __assert_fail (assertion=0x7fef6cd18908 "((ber)->ber_opts.lbo_valid==0x2)", file=<value optimized out>, 
      line=186, function=<value optimized out>) at assert.c:81
  #3  0x00007fef6cd14ed2 in ber_free_buf (ber=0x7fef71abb050) at ../../../libraries/liblber/io.c:186
  #4  0x00007fef6cd14f05 in ber_free (ber=0x7fef71abb050, freebuf=<value optimized out>) at ../../../libraries/liblber/io.c:203
  #5  0x00007fef6fc6cf06 in ldap_msgfree (lm=0x7fef71ab94d0) at ../../../libraries/libldap/result.c:1318
  #6  0x00007fef707a6869 in ldap_freeres (entry=<value optimized out>) at dirsvc.c:4041
  #7  0x00007fef707ab877 in send_ldap_browse (p=0x7fef71ac5cf0) at dirsvc.c:4561
  #8  0x00007fef707abfca in cupsdSendBrowseList () at dirsvc.c:946
  #9  0x00007fef707ad536 in main (argc=<value optimized out>, argv=<value optimized out>) at main.c:1019
  

• The issue not reproducible on Red Hat Enterprise Linux 5 with cups-1.3.x.