Re: cfservd seg fault on tls

[Mark Burgess]

Upgrade your C library. Red Hat machines get this a lot
M

On Thu, 2005-10-13 at 15:58 -0600, Debbie Mazurek wrote:
> Hi,
> 
> We are having a problem where cfservd is continually dying.  This is on
> a Scientific Linux (RHEL clone) 4.1 box, with cfengine-2.1.15-1.2
> Also tried the latest cfengine, same thing.
> 
> Any ideas?  Below are the tail end of logs with debugging on and the
> trace from debugging the core file.
> 
> Any help or suggestions would be greatly appreciated.
> deb
> 
> 
> 
> 
> 
> [root@nasa tmp]# gdb /usr/sbin/cfservd core.13630
> GNU gdb Red Hat Linux (6.3.0.0-1.63rh)
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you
> are
> welcome to change it and/or distribute copies of it under certain
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for
> details.
> This GDB was configured as "i386-redhat-linux-gnu"...(no debugging
> symbols found)
> Using host libthread_db library "/lib/tls/libthread_db.so.1".
> 
> Core was generated by `cfservd'.
> Program terminated with signal 11, Segmentation fault.
> Reading symbols from /lib/tls/i686/libdb-4.2.so...(no debugging symbols
> found)...done.
> Loaded symbols for /lib/tls/i686/libdb-4.2.so
> Reading symbols from /lib/libcrypto.so.4...(no debugging symbols
> found)...done.
> Loaded symbols for /lib/libcrypto.so.4
> Reading symbols from /lib/libnss_nis.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib/libnss_nis.so.2
> Reading symbols from /lib/tls/libpthread.so.0...(no debugging symbols
> found)...done.
> Loaded symbols for /lib/tls/libpthread.so.0
> Reading symbols from /lib/tls/libm.so.6...
> (no debugging symbols found)...done.
> Loaded symbols for /lib/tls/libm.so.6
> Reading symbols from /lib/tls/libc.so.6...(no debugging symbols
> found)...done.
> Loaded symbols for /lib/tls/libc.so.6
> Reading symbols from /usr/lib/libgssapi_krb5.so.2...(no debugging
> symbols found)...done.
> Loaded symbols for /usr/lib/libgssapi_krb5.so.2
> Reading symbols from /usr/lib/libkrb5.so.3...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib/libkrb5.so.3
> Reading symbols from /lib/libcom_err.so.2...
> (no debugging symbols found)...done.
> Loaded symbols for /lib/libcom_err.so.2
> Reading symbols from /usr/lib/libk5crypto.so.3...(no debugging symbols
> found)...done.
> Loaded symbols for /usr/lib/libk5crypto.so.3
> Reading symbols from /lib/libresolv.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib/libresolv.so.2
> Reading symbols from /lib/libdl.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib/libdl.so.2
> Reading symbols from /usr/lib/libz.so.1...
> (no debugging symbols found)...done.
> Loaded symbols for /usr/lib/libz.so.1
> Reading symbols from /lib/libnsl.so.1...(no debugging symbols
> found)...done.
> Loaded symbols for /lib/libnsl.so.1
> Reading symbols from /lib/libnss_files.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib/libnss_files.so.2
> Reading symbols from /lib/ld-linux.so.2...(no debugging symbols
> found)...done.
> Loaded symbols for /lib/ld-linux.so.2
> Reading symbols from /lib/libnss_dns.so.2...
> (no debugging symbols found)...done.
> Loaded symbols for /lib/libnss_dns.so.2
> #0  0x00963b4d in memmove () from /lib/tls/libc.so.6
> (gdb) where
> #0  0x00963b4d in memmove () from /lib/tls/libc.so.6
> #1  0x00cddf1d in __db_pitem () from /lib/tls/i686/libdb-4.2.so
> #2  0x00c8a21a in __bam_search () from /lib/tls/i686/libdb-4.2.so
> #3  0x00c8b913 in __bam_split () from /lib/tls/i686/libdb-4.2.so
> #4  0x00c7e672 in __bam_c_rget () from /lib/tls/i686/libdb-4.2.so
> #5  0x00cd9f0c in __db_c_put () from /lib/tls/i686/libdb-4.2.so
> #6  0xa85abd70 in ?? ()
> #7  0xa85abd50 in ?? ()
> #8  0x00000010 in ?? ()
> #9  0xa85ab288 in ?? ()
> #10 0x00a20800 in __malloc_initialize_hook () from /lib/tls/libc.so.6
> #11 0x00000038 in ?? ()
> #12 0x00a20800 in __malloc_initialize_hook () from /lib/tls/libc.so.6
> #13 0xa85ab290 in ?? ()
> #14 0x00a14423 in __libc_ptyname1 () from /lib/tls/libc.so.6
> #15 0xb5b00048 in ?? ()
> #16 0x00d2ecb8 in ?? () from /lib/tls/i686/libdb-4.2.so
> #17 0x00044000 in ?? ()
> #18 0xa85ab384 in ?? ()
> #19 0xa85ab278 in ?? ()
> #20 0x00d14e9e in __os_malloc () from /lib/tls/i686/libdb-4.2.so
> #21 0x00000000 in ?? ()
> (gdb) quit
> 
> 
> 
> >From the log:
> Oct 11 19:07:44 nasa cfservd: cfservd: Host ms211v.cpsc.ucalgary.ca
> granted access to /export/cfengine-
> production/usr/share/gdm/themes/CPSC/.svn/text-base/cpsc.xml.svn-base
> Oct 11 19:07:44 nasa cfservd: RecvSocketStream(8)
> Oct 11 19:07:44 nasa cfservd: Clocks were off by 0
> Oct 11 19:07:44 nasa cfservd: StatFile(/export/cfengine-
> production/usr/share/gdm/themes/CPSC/.svn/text-base/cpsc.xml.svn-base)
> Oct 11 19:07:44 nasa cfservd:     (Concatenated 8 from stream)
> Oct 11 19:07:44 nasa cfservd:
> Loaded /var/cfengine/ppkeys/root-10.7.0.165.pub
> Oct 11 19:07:44 nasa cfservd: Transaction Receive [t 87][]
> Oct 11 19:07:44 nasa cfservd: RecvSocketStream(87)
> Oct 11 19:07:44 nasa cfservd:     (Concatenated 87 from stream)
> Oct 11 19:07:44 nasa cfservd: Received: [MD5 /export/cfengine-
> production/usr/share/ssl/certs/ca-bundle.crt.any] on socket 100
> Oct 11 19:07:44 nasa cfservd: OK: type=0
> Oct 11 19:07:44 nasa cfservd:  mode=444
> Oct 11 19:07:44 nasa cfservd:  lmode=0
> Oct 11 19:07:44 nasa cfservd:  uid=48
> Oct 11 19:07:44 nasa cfservd:  gid=48
> Oct 11 19:07:44 nasa cfservd:  size=16207
> Oct 11 19:07:44 nasa cfservd:  atime=1129079207
> Oct 11 19:07:44 nasa cfservd:  mtime=1126558087
> Oct 11 19:07:44 nasa cfservd: A public key was already known from
> zone40wd.cpsc.ucalgary.ca/10.7.0.165 - no trust required
> Oct 11 19:07:44 nasa cfservd: Adding IP 10.7.0.165 to SkipVerify - no
> need to check this if we have a key
> Oct 11 19:07:44 nasa cfservd: Prepending [10.7.0.165]
> Oct 11 19:07:44 nasa cfservd:
> Oct 11 19:07:44 nasa cfservd: FuzzyItemIn(LIST,10.7.0.165)
> Oct 11 19:07:44 nasa cfservd:  Try FuzzySetMatch(136.159.,10.7.0.165)
> Oct 11 19:07:44 nasa cfservd: Transaction Send[t 72][Packed text]
> Oct 11 19:07:44 nasa cfservd: Attempting to send 80 bytes
> Oct 11 19:07:44 nasa cfservd:  Try FuzzySetMatch(10.,10.7.0.165)
> Oct 11 19:07:44 nasa cfservd: CompareLocalChecksums(/export/cfengine-
> production/usr/share/ssl/certs/ca-
> bundle.crt.any,MD5=de68ecf0c00049b80c0ed5f9b436aff2)
> Oct 11 19:07:44 nasa cfservd: The key does not match the known, key but
> the host has dynamic IP...
> Oct 11 19:07:44 nasa cfservd:
> Oct 11 19:07:44 nasa cfservd: FuzzyItemIn(LIST,10.7.0.16
> 
> 
> 
> 
> 
> 
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