[BackupPC-users] crash in call to free()!!

Hi,

I have been running BackupPC 3.1.0 on Fedora 8 for 6 months now without issue but recently one of my backup jobs has stopped completing.
The job is supposed to backup various parts of "C:\Documents and Settings" for one of the household PCs. The log file shows approx 1790 files backup up and then a stack trace shown below. This is followed by another 28 log lines showing files being backed up before the log footer indicating that an error occurred.

Any ideas?

I will add the log file header, the stack trace and the log file footer in that order.

--------------------------------------------------------------------------------------------
Running: /usr/bin/smbclient \\\\gavinpc2\\C\$ -U gavin -E -N -d 1 -c tarmode\ full -Tc - \\Documents\ and\ Settings\\Kathryn\\My\ Documents \\Documents\ and\ Settings\\Kathryn\\Favorites \\Documents\ and\ Settings\\Kathryn\\Cookies \\Documents\ and\ Settings\\Tracey\\My\ Documents \\Documents\ and\ Settings\\Tracey\\Favorites \\Documents\ and\ Settings\\Tracey\\Cookies \\Documents\ and\ Settings\\Alexander\\My\ Documents \\Documents\ and\ Settings\\Alexander\\Favorites \\Documents\ and\ Settings\\Alexander\\Cookies \\Documents\ and\ Settings\\Gavin\ Whitehead\\My\ Documents \\Documents\ and\ Settings\\Gavin\ Whitehead\\Favorites \\Documents\ and\ Settings\\Gavin\ Whitehead\\Cookies
full backup started for share C$
Xfer PIDs are now 11963,11962
Domain=[GAVINPC2] OS=[Windows 5.1] Server=[Windows 2000 LAN Manager]
tarmode is now full, system, hidden, noreset, verbose
--------------------------------SNIP--------------------------------------------------------
*** glibc detected *** /usr/bin/smbclient: free(): invalid next size (normal): 0xb830f5a8 ***
======= Backtrace: =========
/lib/libc.so.6[0x38cac1]
/lib/libc.so.6(cfree+0x90)[0x3900f0]
/usr/bin/smbclient(process_tar+0x4af)[0xb7e916bf]
/usr/bin/smbclient(main+0xb30)[0xb7e8a300]
/lib/libc.so.6(__libc_start_main+0xe0)[0x339390]
/usr/bin/smbclient[0xb7e829f1]
======= Memory map: ========
00110000-0012b000 r-xp 00000000 fd:00 2381068 /lib/ld-2.7.so
0012b000-0012c000 r-xp 0001a000 fd:00 2381068 /lib/ld-2.7.so
0012c000-0012d000 rwxp 0001b000 fd:00 2381068 /lib/ld-2.7.so
0012d000-0012e000 r-xp 0012d000 00:00 0 [vdso]
0012e000-0015e000 r-xp 00000000 fd:00 2381104 /lib/libreadline.so.5.2
0015e000-00162000 rwxp 00030000 fd:00 2381104 /lib/libreadline.so.5.2
00162000-00163000 rwxp 00162000 00:00 0
00163000-00183000 r-xp 00000000 fd:00 2378213 /lib/libncurses.so.5.6
00183000-00184000 rwxp 00020000 fd:00 2378213 /lib/libncurses.so.5.6
00184000-0018d000 r-xp 00000000 fd:00 2381078 /lib/libcrypt-2.7.so
0018d000-0018e000 r-xp 00008000 fd:00 2381078 /lib/libcrypt-2.7.so
0018e000-0018f000 rwxp 00009000 fd:00 2381078 /lib/libcrypt-2.7.so
0018f000-001b6000 rwxp 0018f000 00:00 0
001b6000-001c6000 r-xp 00000000 fd:00 2381082 /lib/libresolv-2.7.so
001c6000-001c7000 r-xp 00010000 fd:00 2381082 /lib/libresolv-2.7.so
001c7000-001c8000 rwxp 00011000 fd:00 2381082 /lib/libresolv-2.7.so
001c8000-001ca000 rwxp 001c8000 00:00 0
001ca000-001df000 r-xp 00000000 fd:00 2381093 /lib/libnsl-2.7.so
001df000-001e0000 r-xp 00014000 fd:00 2381093 /lib/libnsl-2.7.so
001e0000-001e1000 rwxp 00015000 fd:00 2381093 /lib/libnsl-2.7.so
001e1000-001e3000 rwxp 001e1000 00:00 0
001e3000-001e6000 r-xp 00000000 fd:00 2381072 /lib/libdl-2.7.so
001e6000-001e7000 r-xp 00002000 fd:00 2381072 /lib/libdl-2.7.so
001e7000-001e8000 rwxp 00003000 fd:00 2381072 /lib/libdl-2.7.so
001e8000-001f0000 r-xp 00000000 fd:00 2381091 /lib/libpopt.so.0.0.0
001f0000-001f1000 rwxp 00007000 fd:00 2381091 /lib/libpopt.so.0.0.0
001f1000-0021e000 r-xp 00000000 fd:00 352199 /usr/lib/libgssapi_krb5.so.2.2
0021e000-0021f000 rwxp 0002d000 fd:00 352199 /usr/lib/libgssapi_krb5.so.2.2
0021f000-002af000 r-xp 00000000 fd:00 352198 /usr/lib/libkrb5.so.3.3
002af000-002b2000 rwxp 0008f000 fd:00 352198 /usr/lib/libkrb5.so.3.3
002b2000-002d7000 r-xp 00000000 fd:00 352197 /usr/lib/libk5crypto.so.3.1
002d7000-002d8000 rwxp 00025000 fd:00 352197 /usr/lib/libk5crypto.so.3.1
002d8000-002da000 r-xp 00000000 fd:00 2381084 /lib/libcom_err.so.2.1
002da000-002db000 rwxp 00001000 fd:00 2381084 /lib/libcom_err.so.2.1
002db000-00314000 r-xp 00000000 fd:00 352202 /usr/lib/libldap-2.3.so.0.2.27
00314000-00315000 rwxp 00039000 fd:00 352202 /usr/lib/libldap-2.3.so.0.2.27
00315000-00322000 r-xp 00000000 fd:00 352200 /usr/lib/liblber-2.3.so.0.2.27
00322000-00323000 rwxp 0000c000 fd:00 352200 /usr/lib/liblber-2.3.so.0.2.27
00323000-00476000 r-xp 00000000 fd:00 2381069 /lib/libc-2.7.so
00476000-00478000 r-xp 00153000 fd:00 2381069 /lib/libc-2.7.so
00478000-00479000 rwxp 00155000 fd:00 2381069 /lib/libc-2.7.so
00479000-0047c000 rwxp 00479000 00:00 0
0047c000-00491000 r-xp 00000000 fd:00 2381103 /lib/libtinfo.so.5.6
00491000-00494000 rwxp 00014000 fd:00 2381103 /lib/libtinfo.so.5.6
00494000-0049c000 r-xp 00000000 fd:00 332621 /usr/lib/libkrb5support.so.0.1
0049c000-0049d000 rwxp 00007000 fd:00 332621 /usr/lib/libkrb5support.so.0.1
0049d000-0049f000 r-xp 00000000 fd:00 2381081 /lib/libkeyutils-1.2.so
0049f000-004a0000 rwxp 00001000 fd:00 2381081 /lib/libkeyutils-1.2.so
004a0000-004b8000 r-xp 00000000 fd:00 352201 /usr/lib/libsasl2.so.2.0.22
004b8000-004b9000 rwxp 00017000 fd:00 352201 /usr/lib/libsasl2.so.2.0.22
004b9000-004fa000 r-xp 00000000 fd:00 2381086 /lib/libssl.so.0.9.8b
004fa000-004fe000 rwxp 00040000 fd:00 2381086 /lib/libssl.so.0.9.8b
004fe000-0061b000 r-xp 00000000 fd:00 2381085 /lib/libcrypto.so.0.9.8b
0061b000-0062d000 rwxp 0011d000 fd:00 2381085 /lib/libcrypto.so.0.9.8b
0062d000-00631000 rwxp 0062d000 00:00 0
00631000-0064a000 r-xp 00000000 fd:00 2381083 /lib/libselinux.so.1
0064a000-0064c000 rwxp 00018000 fd:00 2381083 /lib/libselinux.so.1
0064c000-0065e000 r-xp 00000000 fd:00 2381076 /lib/libz.so.1.2.3
0065e000-0065f000 rwxp 00011000 fd:00 2381076 /lib/libz.so.1.2.3
0065f000-00661000 r-xp 00000000 fd:00 423726 /usr/lib/gconv/UTF-16.so
00661000-00662000 r-xp 00001000 fd:00 423726 /usr/lib/gconv/UTF-16.so
00662000-00663000 rwxp 00002000 fd:00 423726 /usr/lib/gconv/UTF-16.so
00663000-00665000 r-xp 00000000 fd:00 423622 /usr/lib/gconv/IBM850.so
00665000-00666000 r-xp 00001000 fd:00 423622 /usr/lib/gconv/IBM850.so
00666000-00667000 rwxp 00002000 fd:00 423622 /usr/lib/gconv/IBM850.so
00667000-00671000 r-xp 00000000 fd:00 2378156 /lib/libnss_files-2.7.so
00671000-00672000 r-xp 00009000 fd:00 2378156 /lib/libnss_files-2.7.so
00672000-00673000 rwxp 0000a000 fd:00 2378156 /lib/libnss_files-2.7.so
00673000-0067e000 r-xp 00000000 fd:00 2381071 /lib/libgcc_s-4.1.2-20070925.so.1
0067e000-0067f000 rwxp 0000a000 fd:00 2381071 /lib/libgcc_s-4.1.2-20070925.so.1
b7a00000-b7a21000 rwxp b7a00000 00:00 0
b7a21000-b7b00000 --xp b7a21000 00:00 0
b7bd5000-b7bf6000 rwxp b7bd5000 00:00 0
b7bf6000-b7c06000 r-xs 00000000 fd:00 816988 /usr/lib/samba/valid.dat
b7c06000-b7e06000 r-xp 00000000 fd:00 329056 /usr/lib/locale/locale-archive
b7e06000-b7e26000 r-xs 00000000 fd:00 816983 /usr/lib/samba/lowcase.dat
b7e26000-b7e46000 r-xs 00000000 fd:00 816987 /usr/lib/samba/upcase.dat
b7e46000-b7e4c000 rwxp b7e46000 00:00 0
b7e52000-b7e53000 r-xs 00000000 fd:00 3062946 /var/lib/samba/gencache.tdb
b7e53000-b7e54000 r-xp 00000000 fd:00 329032 /usr/share/locale/en_GB/LC_MESSAGES/libc.mo
b7e54000-b7e5b000 r-xs 00000000 fd:00 423754 /usr/lib/gconv/gconv-modules.cache
b7e5b000-b7e5c000 r-xp 00b6b000 fd:00 329056 /usr/lib/locale/locale-archive
b7e5c000-b7fba000 r-xp 00000000 fd:00 344610 /usr/bin/smbclient
b7fba000-b7fc6000 rw-p 0015d000 fd:00 344610 /usr/bin/smbclient
b7fc6000-b7fd8000 rw-p b7fc6000 00:00 0
b8298000-b8358000 rw-p b8298000 00:00 0
bf8b9000-bf954000 rw-p bff64000 00:00 0 [stack]
--------------------------------SNIP------------------------------------------------------------
tarExtract: Done: 0 errors, 1221 filesExist, 324668758 sizeExist, 260041463 sizeExistComp, 1556 filesTotal, 363936516 sizeTotal
Got fatal error during xfer (bf8b9000-bf954000 rw-p bff64000 00:00 0 [stack])
Backup aborted (bf8b9000-bf954000 rw-p bff64000 00:00 0 [stack])
Saving this as a partial backup, replacing the prior one (got 1556 and 1556 files versus 0)
--------------------------------------------------------------------------------------------------

Regards,

Gavin

Technical Consultant (Messaging)
Steria
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