[Bug 283982] [NEW] Windbindd crashes while handling something with trusted domains

[Jacob Geigle]

Public bug reported:

Binary package hint: samba

GDB:
-----------------------------------------------------------------
[Thread debugging using libthread_db enabled]
[New Thread 0xb7bb16d0 (LWP 19862)]
0xb7fc6410 in __kernel_vsyscall ()
#0 0xb7fc6410 in __kernel_vsyscall ()
#1 0xb7d704d3 in waitpid () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7d13643 in ?? () from /lib/tls/i686/cmov/libc.so.6
#3 0x08123158 in smb_panic (why=0x8276e84 "internal error") at lib/util.c:1639
#4 0x0810d97a in sig_fault (sig=6) at lib/fault.c:47
#5 <signal handler called>
#6 0xb7fc6410 in __kernel_vsyscall ()
#7 0xb7d06085 in raise () from /lib/tls/i686/cmov/libc.so.6
#8 0xb7d07a01 in abort () from /lib/tls/i686/cmov/libc.so.6
#9 0xb7cff10e in __assert_fail () from /lib/tls/i686/cmov/libc.so.6
#10 0xb7e46bea in ldap_parse_result () from /usr/lib/libldap_r-2.4.so.2
#11 0x08239e1c in ads_do_paged_search_args (ads=0x82d18e8,
bind_path=<value optimized out>, scope=0,
expr=0x8265715 "(objectclass=*)", attrs=0xbff2a420, args=0x0,
res=0xbff2a428, count=0xbff2a344, cookie=0xbff2a348) at libads/ldap.c:700
#12 0x0823a19f in ads_do_search_all_args (ads=0x82d18e8,
bind_path=0x830d4b0 "", scope=0, expr=0x8265715 "(objectclass=*)",
attrs=0xbff2a420, args=0x0, res=0xbff2a428) at libads/ldap.c:772
#13 0x08243739 in ads_do_search_retry_internal (ads=0x82d18e8,
bind_path=0x82aa795 "", scope=0, expr=0x8265715 "(objectclass=*)",
attrs=0xbff2a420, args=0x0, res=0xbff2a428) at libads/ldap_utils.c:60
#14 0x08243caa in ads_do_search_retry (ads=0x82d18e8, bind_path=0x82aa795 "",
scope=0, expr=0x8265715 "(objectclass=*)", attrs=0xbff2a420,
res=0xbff2a428) at libads/ldap_utils.c:124
#15 0x08236c9c in ads_USN (ads=0x82d18e8, usn=0x832f35c) at libads/ldap.c:2328
#16 0x080b4269 in sequence_number (domain=0x832eed8, seq=0x832f35c)
at nsswitch/winbindd_ads.c:1021
#17 0x08098a31 in refresh_sequence_number (domain=0x832eed8,
force=<value optimized out>) at nsswitch/winbindd_cache.c:479
#18 0x08099059 in wcache_fetch (cache=0x832dd70, domain=0x832eed8,
format=0x82606bf "TRUSTDOMS/%s") at nsswitch/winbindd_cache.c:601
#19 0x08099aa8 in trusted_domains (domain=0x832eed8, mem_ctx=0x832e3d8,
num_domains=0xbff2a6a8, names=0xbff2a6a4, alt_names=0xbff2a6a0,
dom_sids=0xbff2a69c) at nsswitch/winbindd_cache.c:1942
#20 0x080a90b8 in winbindd_dual_list_trusted_domains (domain=0x832eed8,
state=0xbff2a7b8) at nsswitch/winbindd_misc.c:123
#21 0x080b941f in schedule_async_request (child=0x832f3b0)
at nsswitch/winbindd_dual.c:481
#22 0x080bad88 in async_domain_request (mem_ctx=0x832f878, domain=0x832eed8,
request=0x8354d08, response=0x8330b78,
continuation=0x8096700 <trustdom_recv>, private_data_data=0x831d750)
at nsswitch/winbindd_dual.c:340
#23 0x080965f0 in rescan_trusted_domains () at nsswitch/winbindd_util.c:217
#24 0x0808c17d in main (argc=) at nsswitch/winbindd.c:753
__________________________________________________________________
Description:    Ubuntu 8.04.1
Release:        8.04
___________________________
uname -r:
2.6.24-19-server
_________________________
SAMBA VERSION:

samba:
  Installed: 3.0.28a-1ubuntu4.5
  Candidate: 3.0.28a-1ubuntu4.5
  Version table:
 *** 3.0.28a-1ubuntu4.5 0
        500 http://us.archive.ubuntu.com hardy-updates/main Packages
        100 /var/lib/dpkg/status
     3.0.28a-1ubuntu4.4 0
        500 http://security.ubuntu.com hardy-security/main Packages
     3.0.28a-1ubuntu4 0
        500 http://us.archive.ubuntu.com hardy/main Packages
__________________________________________
LDAP VERSION:
libldap-2.4-2:
  Installed: 2.4.9-0ubuntu0.8.04.1
  Candidate: 2.4.9-0ubuntu0.8.04.1
  Version table:
 *** 2.4.9-0ubuntu0.8.04.1 0
        500 http://us.archive.ubuntu.com hardy-updates/main Packages
        500 http://security.ubuntu.com hardy-security/main Packages
        100 /var/lib/dpkg/status
     2.4.7-6ubuntu3 0
        500 http://us.archive.ubuntu.com hardy/main Packages
__________________________________________________
LIBC6 VERSION
libc6:
  Installed: 2.7-10ubuntu4
  Candidate: 2.7-10ubuntu4
  Version table:
 *** 2.7-10ubuntu4 0
        500 http://us.archive.ubuntu.com hardy-updates/main Packages
        100 /var/lib/dpkg/status
     2.7-10ubuntu3 0
        500 http://us.archive.ubuntu.com hardy/main Packages
________________________________________________
EXTRA:

this happen sporadically.  winbindd is automatically restarted.  This
server is a MEMBER of a w2k3 domain (w/ kerberos).

** Affects: samba (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Windbindd crashes while handling something with trusted domains
https://bugs.launchpad.net/bugs/283982
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