[Bug 320509] [NEW] winbind crash winbindd_async_request

[Toni Van Remortel]

Public bug reported:

Binary package hint: samba

Source package
root at server2:/var/log/samba# dpkg -S /usr/sbin/winbindd
winbind: /usr/sbin/winbindd

root at server2:/var/log/samba# lsb_release -rd
Description:    Ubuntu 8.04.2
Release:        8.04

root at server2:/var/log/samba# apt-cache policy winbind
winbind:
  Installed: 3.0.28a-1ubuntu4.7
  Candidate: 3.0.28a-1ubuntu4.7
  Version table:
 *** 3.0.28a-1ubuntu4.7 0
        500 http://be.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://be.archive.ubuntu.com hardy/main Packages


Winbind runs, but crashes now and then.
Sometimes it keeps running, sometimes it crashes completely.


Full crash:

[Thread debugging using libthread_db enabled]
[New Thread 0xb7af36d0 (LWP 30991)]
0xb7f08410 in __kernel_vsyscall ()
#0  0xb7f08410 in __kernel_vsyscall ()
#1  0xb7cb24d3 in waitpid () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7c55643 in ?? () from /lib/tls/i686/cmov/libc.so.6
#3  0x08123178 in smb_panic (why=0x8276ea4 "internal error") at lib/util.c:1639
#4  0x0810d99a in sig_fault (sig=6) at lib/fault.c:47
#5  <signal handler called>
#6  0xb7f08410 in __kernel_vsyscall ()
#7  0xb7c48085 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb7c49a01 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0x081063ae in talloc_get_name (ptr=0x8371da0) at lib/talloc/talloc.c:128
#10 0x081065ec in talloc_check_name (ptr=0x8371da0, 
    name=0x8266951 "struct winbindd_async_request") at lib/talloc/talloc.c:638
#11 0x081232ac in talloc_check_name_abort (ptr=0x8371da0, 
    name=0x8266951 "struct winbindd_async_request") at lib/util.c:3030
#12 0x080ba558 in async_main_request_sent (private_data=0x8371da0, success=0)
    at nsswitch/winbindd_dual.c:146
#13 0x0808b9da in rw_callback (event=0x835b2b8, flags=2)
    at nsswitch/winbindd.c:389
#14 0x0808c3f9 in main (argc=) at nsswitch/winbindd.c:835
The program is running.  Quit anyway (and detach it)? (y or n) [answered Y; input not from terminal]


Non fatal crash:

[Thread debugging using libthread_db enabled]
[New Thread 0xb7b846d0 (LWP 26812)]
0xb7f99410 in __kernel_vsyscall ()
#0  0xb7f99410 in __kernel_vsyscall ()
#1  0xb7d434d3 in waitpid () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7ce6643 in ?? () from /lib/tls/i686/cmov/libc.so.6
#3  0x08123178 in smb_panic (why=0x8276ea4 "internal error") at lib/util.c:1639
#4  0x0810d99a in sig_fault (sig=11) at lib/fault.c:47
#5  <signal handler called>
#6  0x080baaba in async_request (mem_ctx=0x8333788, child=0x835ae98, 
    request=0x83a747c, response=0x83a7ca4, 
    continuation=0x80bc3b0 <do_async_recv>, private_data=0x83a7478)
    at nsswitch/winbindd_dual.c:136
#7  0x080bada8 in async_domain_request (mem_ctx=0x8333788, domain=0x835a9c0, 
    request=0x83a747c, response=0x83a7ca4, 
    continuation=0x80bc3b0 <do_async_recv>, private_data_data=0x83a7478)
    at nsswitch/winbindd_dual.c:340
#8  0x080bed70 in do_async_domain (mem_ctx=0x8333788, domain=0x835a9c0, 
    request=0xbf966d90, cont=0x80bb280 <query_user_recv>, c=0x808eae0, 
    private_data=0x83758b8) at nsswitch/winbindd_async.c:111
#9  0x080beed3 in query_user_async (mem_ctx=0x8333788, domain=0x835a9c0, 
    sid=0xbf96763c, cont=0x808eae0 <getpwsid_queryuser_recv>, 
    private_data=0x83758b8) at nsswitch/winbindd_async.c:1464
#10 0x0808e3a2 in winbindd_getpwsid (state=0x83c9ff0, sid=0xbf96763c)
    at nsswitch/winbindd_user.c:215
#11 0x080bff55 in lookupname_recv (mem_ctx=0x8333788, success=1, 
    response=0x836a1dc, c=0x808e5f0, private_data=0x82f2478)
    at nsswitch/winbindd_async.c:873
#12 0x080bc407 in do_async_recv (private_data=0x83699b0, success=1)
    at nsswitch/winbindd_async.c:57
#13 0x080ba7e5 in async_reply_recv (private_data=0x83336c8, success=1)
    at nsswitch/winbindd_dual.c:280
#14 0x0808b979 in rw_callback (event=0x8334d40, flags=1)
    at nsswitch/winbindd.c:398
#15 0x0808c3f9 in main (argc=) at nsswitch/winbindd.c:835
The program is running.  Quit anyway (and detach it)? (y or n) [answered Y; input not from terminal]


Non fatal crash:

[Thread debugging using libthread_db enabled]
[New Thread 0xb7b846d0 (LWP 4357)]
0xb7f99410 in __kernel_vsyscall ()
#0  0xb7f99410 in __kernel_vsyscall ()
#1  0xb7d434d3 in waitpid () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7ce6643 in ?? () from /lib/tls/i686/cmov/libc.so.6
#3  0x08123178 in smb_panic (why=0x8276ea4 "internal error") at lib/util.c:1639
#4  0x0810d99a in sig_fault (sig=11) at lib/fault.c:47
#5  <signal handler called>
#6  0xb7dfa160 in ?? () from /lib/tls/i686/cmov/libc.so.6
#7  0x83651674 in ?? ()
The program is running.  Quit anyway (and detach it)? (y or n) [answered Y; input not from terminal]

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

-- 
winbind crash winbindd_async_request
https://bugs.launchpad.net/bugs/320509
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