[Samba-it] [Segfault in Samba]

Wed Jun 15 18:28:01 MDT 2005

Nel mio nuovo installato PDC samba, ne ha fatto 4/5 di seguito e tutti
dalla stessa macchina.

----- Forwarded message from root <root at pp.lnf.it> -----
From: root <root at pp.lnf.it>
Date: Wed, 15 Jun 2005 11:40:02 +0200
To: root at radagast.pp.lnf.it
Subject: Segfault in Samba

The Samba 'panic action' script, /usr/share/samba/panic-action,
was called for pid 9183 (/usr/sbin/smbd).

Below is a backtrace for this process generated with gdb, which shows
the state of the program at the time the error occured.  You are
encouraged to submit this information as a bug report to Debian.  For
information about the procedure for submitting bug reports , please see
http://www.debian.org/Bugs/Reporting or the reportbug(1) manpage.

(no debugging symbols found)
Using host libthread_db library "/lib/tls/libthread_db.so.1".
(no debugging symbols found)
`system-supplied DSO at 0xffffe000' has disappeared; keeping its symbols.
(no debugging symbols found)
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[Thread debugging using libthread_db enabled]
[New Thread -1211928448 (LWP 9183)]
(no debugging symbols found)
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0xb7de13ae in waitpid () from /lib/tls/libc.so.6
#0  0xb7de13ae in waitpid () from /lib/tls/libc.so.6
#1  0xb7d76d12 in system () from /lib/tls/libc.so.6
#2  0x081eb261 in smb_panic2 ()
#3  0x081eb1ea in smb_panic ()
#4  0x081d7368 in dbgtext ()
#5  <signal handler called>
#6  0xb7d6083b in raise () from /lib/tls/libc.so.6
#7  0xb7d61fa2 in abort () from /lib/tls/libc.so.6
#8  0xb7d5a2df in __assert_fail () from /lib/tls/libc.so.6
#9  0xb7fa637d in ber_get_next () from /usr/lib/liblber.so.2
#10 0xb7fbb096 in ldap_result () from /usr/lib/libldap_r.so.2
#11 0xb7fbada5 in ldap_result () from /usr/lib/libldap_r.so.2
#12 0xb7a14f8a in ?? () from /lib/libnss_ldap.so.2
#13 0x083bfdf0 in ?? ()
#14 0x00000e86 in ?? ()
#15 0x00000000 in ?? ()
#16 0x00000000 in ?? ()
#17 0x083c82d8 in ?? ()
#18 0xbfffe490 in ?? ()
#19 0x00000020 in ?? ()
#20 0xb7a21888 in ?? () from /lib/libnss_ldap.so.2
#21 0x083c82d8 in ?? ()
#22 0x00000000 in ?? ()
#23 0xbfffe478 in ?? ()
#24 0x00000034 in ?? ()
#25 0x083c82c8 in ?? ()
#26 0xbfffe610 in ?? ()
#27 0x00000000 in ?? ()
#28 0xb7a21888 in ?? () from /lib/libnss_ldap.so.2
#29 0x083c82c8 in ?? ()
#30 0xbfffe610 in ?? ()
#31 0xbfffe478 in ?? ()
#32 0xb7a14b7a in ?? () from /lib/libnss_ldap.so.2
#33 0x083c82c8 in ?? ()
#34 0x00000000 in ?? ()
#35 0x00000e86 in ?? ()
#36 0xb7a21888 in ?? () from /lib/libnss_ldap.so.2
#37 0xb7a21888 in ?? () from /lib/libnss_ldap.so.2
#38 0xffffffff in ?? ()
#39 0xbfffe4f8 in ?? ()
#40 0xb7a18507 in _nss_ldap_getpwent_r () from /lib/libnss_ldap.so.2

----- End forwarded message -----

Il log mi pare un pelo più esplicativo:

smbd: /home/devel/openldap/build-area/openldap2-2.1.30/libraries/liblber/io.c:702: ber_get_next: Assertion  failed.
[2005/06/15 11:40:02, 0] lib/fault.c:fault_report(36)
  ===============================================================
[2005/06/15 11:40:02, 0] lib/fault.c:fault_report(37)
  INTERNAL ERROR: Signal 6 in pid 9183 (3.0.14a-Debian)
  Please read the appendix Bugs of the Samba HOWTO collection
[2005/06/15 11:40:02, 0] lib/fault.c:fault_report(39)
  ===============================================================
[2005/06/15 11:40:02, 0] lib/util.c:smb_panic2(1485)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 9183] /etc/samba/gdbcommands:1: Error in sourced command file: Previous frame inner to this frame (corrupt stack?)
[2005/06/15 11:40:02, 0] lib/util.c:smb_panic2(1493)
  smb_panic(): action returned status 0
[2005/06/15 11:40:02, 0] lib/util.c:smb_panic2(1495)
  PANIC: internal error
[2005/06/15 11:40:02, 0] lib/util.c:smb_panic2(1503)
  BACKTRACE: 39 stack frames:
   #0 /usr/sbin/smbd(smb_panic2+0x111) [0x81eb301]
   #1 /usr/sbin/smbd(smb_panic+0x1a) [0x81eb1ea]
   #2 /usr/sbin/smbd [0x81d7368]
   #3 [0xffffe420]
   #4 /lib/tls/libc.so.6(abort+0x1d2) [0xb7d61fa2]
   #5 /lib/tls/libc.so.6(__assert_fail+0x10f) [0xb7d5a2df]
   #6 /usr/lib/liblber.so.2(ber_get_next+0xfd) [0xb7fa637d]
   #7 /usr/lib/libldap_r.so.2 [0xb7fbb096]
   #8 /usr/lib/libldap_r.so.2 [0xb7fbada5]
   #9 /lib/libnss_ldap.so.2 [0xb7a14f8a]
   #10 /lib/libnss_ldap.so.2 [0xb7a14b7a]
   #11 /lib/libnss_ldap.so.2 [0xb7a18507]
   #12 /lib/libnss_ldap.so.2 [0xb7a1836a]
   #13 /lib/libnss_ldap.so.2 [0xb7a15552]
   #14 /lib/libnss_ldap.so.2 [0xb7a16093]
   #15 /lib/libnss_ldap.so.2(_nss_ldap_initgroups_dyn+0x14c) [0xb7a186cc]
   #16 /lib/tls/libc.so.6 [0xb7ddeb54]
   #17 /lib/tls/libc.so.6(initgroups+0x6b) [0xb7ddea4b]
   #18 /usr/sbin/smbd [0x81cd7f4]
   #19 /usr/sbin/smbd [0x81cd9c4]
   #20 /usr/sbin/smbd(getgroups_user+0x46) [0x81cdb16]
   #21 /usr/sbin/smbd(pdb_default_enum_group_memberships+0x29) [0x81cdc59]
   #22 /usr/sbin/smbd [0x81c1765]
   #23 /usr/sbin/smbd [0x81b5864]
   #24 /usr/sbin/smbd(pdb_enum_group_memberships+0x4e) [0x81b70fe]
   #25 /usr/sbin/smbd [0x822b112]
   #26 /usr/sbin/smbd [0x822b26e]
   #27 /usr/sbin/smbd(make_server_info_sam+0x140) [0x822b560]
   #28 /usr/sbin/smbd [0x82262b4]
   #29 /usr/sbin/smbd [0x82265b1]
   #30 /usr/sbin/smbd [0x82239ff]
   #31 /usr/sbin/smbd(reply_sesssetup_and_X+0x689) [0x80b1559]
   #32 /usr/sbin/smbd [0x80d7a76]
   #33 /usr/sbin/smbd [0x80d7d00]
   #34 /usr/sbin/smbd(process_smb+0x8c) [0x80d7f0c]
   #35 /usr/sbin/smbd(smbd_process+0x168) [0x80d8c58]
   #36 /usr/sbin/smbd(main+0x505) [0x82655f5]
   #37 /lib/tls/libc.so.6(__libc_start_main+0xf4) [0xb7d4d974]
   #38 /usr/sbin/smbd [0x8079b01]

A naso sembra un problema con ldap, ma non è che ci capisca molto...

-- 
dott. Marco Gaiarin				    GNUPG Key ID: 240A3D66
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