[Samba] problem with samba 3.0.28/Solaris 8/smbclient

Tue Dec 18 13:15:23 GMT 2007

On Mon, Dec 17, 2007 at 01:26:51PM -0600, Kenneth Marshall wrote:
> Dear Samba users,
> 
> I am trying to update our local samba packages to 3.0.28.
> They are built against heimdal-1.0.1 and openldap-2.3.38.
> The Redhat Enterprise Linux 3 and 4 packages are working
> fine so far in my limited testing. The problem with heimdal
> and "net ads join..." has been fixed on all 3 platforms.
> On the Solaris 8 server, the "net ads join..." works
> correctly and the machine registers with the domain. The
> problem is that the smbclient segfaults on the ls command.
> A put command worked correctly. Here is what a truss
> returned:
> 
> 21056:  ioctl(1, TCGETA, 0xFFBECFA4)                    = 0
> 21056:  write(1, " s m b :   \ k \ k t m \".., 14)      = 14
> 21056:  read(0, 0xFFBED3E3, 1)          (sleeping...)
> 21056:  signotifywait()                 (sleeping...)
> 21056:  door_return(0x00000000, 0, 0x00000000, 0) (sleeping...)
> 21056:  lwp_cond_wait(0xFF3834E8, 0xFF3834F8, 0xFF37CD80) (sleeping...)
> 21056:  read(0, " l", 1)                                = 1
> 21056:  write(1, " l", 1)                               = 1
> 21056:  read(0, " s", 1)                                = 1
> 21056:  write(1, " s", 1)                               = 1
> 21056:  read(0, "\r", 1)                                = 1
> 21056:  write(1, "\n", 1)                               = 1
> 21056:  ioctl(0, TCSETSW, 0xFF345C28)                   = 0
> 21056:  sigaction(SIGINT, 0xFFBED4C0, 0xFFBED5C0)       = 0
> 21056:  sigaction(SIGTERM, 0xFFBED4C0, 0xFFBED5C0)      = 0
> 21056:  sigaction(SIGQUIT, 0xFFBED4C0, 0xFFBED5C0)      = 0
> 21056:  sigaction(SIGALRM, 0xFFBED4C0, 0xFFBED5C0)      = 0
> 21056:  sigaction(SIGTSTP, 0xFFBED4C0, 0xFFBED5C0)      = 0
> 21056:  sigaction(SIGTTOU, 0xFFBED4C0, 0xFFBED5C0)      = 0
> 21056:  sigaction(SIGTTIN, 0xFFBED4C0, 0xFFBED5C0)      = 0
> 21056:  sigaction(SIGWINCH, 0xFFBED4C0, 0xFFBED5C0)     = 0
> 21056:  time()                                          = 1197919173
> 21056:  write(6, "\0\0\0 bFF S M B 2\0\0\0".., 102)     = 102
> 21056:  poll(0xFFBEAF18, 1, 20000)                      = 1
> 21056:  read(6, "\0\003AC", 4)                          = 4
> 21056:  poll(0xFFBEAF88, 1, 20000)                      = 1
> 21056:  read(6, "FF S M B 2\0\0\0\08801C8".., 940)      = 940
> 21056:  open("/usr/share/lib/zoneinfo/US/Central", O_RDONLY) = 8
> 21056:  read(8, " T Z i f\0\0\0\0\0\0\0\0".., 8192)     = 1279
> 21056:  close(8)                                        = 0
> 21056:  stat64("/usr/site/samba-3.0.28/lib/C.msg", 0xFFBEA948) Err#2 ENOENT
> 21056:      Incurred fault #6, FLTBOUNDS  %pc = 0xFE833218
> 21056:        siginfo: SIGSEGV SEGV_MAPERR addr=0x40498000
> 21056:      Received signal #11, SIGSEGV [default]
> 21056:        siginfo: SIGSEGV SEGV_MAPERR addr=0x40498000
> 21056:          *** process killed ***
> 
> Here is a gdb backtrace:
> 
> (gdb) run -U 'AD\ktm' //storage.rice.edu/home -D k/ktm
> Starting program: /build/samba-3.0.28/sunos5/bin/smbclient -U 'AD\ktm' //storage.rice.edu/home -D k/ktm
> [New LWP 1]
> [New LWP 2]
> [New LWP 3]
> params.c:OpenConfFile() - Unable to open configuration file "/usr/site/samba-3.0.28/lib/smb.conf":
>         No such file or directory
> [New LWP 4]
> [New LWP 5]
> /build/samba-3.0.28/sunos5/bin/smbclient: Can't load /usr/site/samba-3.0.28/lib/smb.conf - run testparm to debug it
> Password: 
> Domain=[AD] OS=[BlueArc Titan 4.3.990q] Server=[BlueArc Titan 4.3.990q]
> smb: \k\ktm\> ls
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0xfe833218 in strlen () from /usr/lib/libc.so.1
> (gdb) bt
> #0  0xfe833218 in strlen () from /usr/lib/libc.so.1
> #1  0xfedcadcc in wait_for_process () from /usr/site/samba-3.0.28/ext/libroken.so.18
> #2  0xfedcadcc in wait_for_process () from /usr/site/samba-3.0.28/ext/libroken.so.18
> Previous frame identical to this frame (corrupt stack?)
> (gdb) 
> 
> I am building a debug version of the heimdal 1.0.1 libraries to
> try and get some more information, but I wanted to post a preliminary
> message to see if this is a know issue or not and whether there are
> some other debugging measures that could be tried.
> 
> Cheers,
> Ken
> -- 
> To unsubscribe from this list go to the following URL and read the
> instructions:  https://lists.samba.org/mailman/listinfo/samba
> 

Dear Samba users,

As promised here s the backtrace from the debug version of the
Heimdal 1.0.1 libraries:

Starting program: /build/samba-3.0.28/sunos5/bin/smbclient -U 'ADRICE\ktm' //storage.rice.edu/home -D k/ktm
[New LWP 1]
[New LWP 2]
[New LWP 3]
params.c:OpenConfFile() - Unable to open configuration file "/usr/site/samba-3.0.28/lib/smb.conf":
        No such file or directory
[New LWP 4]
[New LWP 5]
/build/samba-3.0.28/sunos5/bin/smbclient: Can't load /usr/site/samba-3.0.28/lib/smb.conf - run testparm to debug it
Password: 
Domain=[ADRICE] OS=[BlueArc Titan 4.3.990q] Server=[BlueArc Titan 4.3.990q]
smb: \k\ktm\> ls

Program received signal SIGSEGV, Segmentation fault.
0xfe733218 in strlen () from /usr/lib/libc.so.1
(gdb) bt
#0  0xfe733218 in strlen () from /usr/lib/libc.so.1
#1  0xfef50b50 in append_string (state=0xffbeb130, 
    arg=0x40498000 <Address 0x40498000 out of bounds>, width=0, prec=-1, flags=0)
    at snprintf.c:276
#2  0xfef513cc in xyzprintf (state=0xffbeb130, char_format=0x1e7318 "  %-30s%7.7s %8.0f  %s", 
    ap=0xffbeb33c) at snprintf.c:446
#3  0xfef5213c in vasnprintf (ret=0xffbeb248, max_sz=0, 
    format=0x1e7318 "  %-30s%7.7s %8.0f  %s", args=0xffbeb330) at snprintf.c:661
#4  0xfef52074 in vasprintf (ret=0xffbeb248, format=0x1e7318 "  %-30s%7.7s %8.0f  %s", 
    args=0xffbeb330) at snprintf.c:638
#5  0x0013afb0 in d_vfprintf (f=0xfe7c0294, format=0x1e7318 "  %-30s%7.7s %8.0f  %s", 
    ap=0xffbeb330) at lib/dprintf.c:47
#6  0x0013b250 in d_printf (format=0x1e7318 "  %-30s%7.7s %8.0f  %s") at lib/dprintf.c:102
#7  0x00031918 in display_finfo (finfo=0xffbec0d0) at client/client.c:388
#8  0x00032e98 in do_list_helper (mntpoint=0x252db4 "", f=0xffbec0d0, 
    mask=0xffbed254 "\\k\\ktm\\*", state=0x0) at client/client.c:604
#9  0x000c5d0c in cli_list_new (cli=0x2531c0, Mask=0xffbed254 "\\k\\ktm\\*", attribute=22, 
    fn=0x32b24 <do_list_helper>, state=0x0) at libsmb/clilist.c:355
#10 0x000c69d0 in cli_list (cli=0x2531c0, Mask=0xffbed254 "\\k\\ktm\\*", attribute=22, 
    fn=0x32b24 <do_list_helper>, state=0x0) at libsmb/clilist.c:523
#11 0x0003334c in do_list (mask=0xffbedad6 "\\k\\ktm\\*", attribute=22, 
    fn=0x317c8 <display_finfo>, rec=0, dirs=1) at client/client.c:677
#12 0x00033750 in cmd_dir () at client/client.c:725
#13 0x0003fe8c in process_stdin () at client/client.c:3694
#14 0x0004003c in process (base_directory=0xffbef758 "k\\ktm") at client/client.c:3728
#15 0x00041a74 in main (argc=6, argv=0xffbefbf4) at client/client.c:4132
(gdb) 

Does this point to a problem in the Samba code or is it a problem
with the Heimdal library? Does anyone have any suggestions for further
debugging?

Cheers,
Ken