[Samba] Segmentation fault in smbc_getxattr()->...->convert_sid_to_string() in samba-3.2.6

[naga_kishore_kommuri at yahoo.com]

Hi, 
 Got segmentation fault with the follwoing stacktrace while running "examples/libsmbclient/testacl13.c".


#0  0x00000033a866f200 in strlen () from /lib64/tls/libc.so.6
#1  0x00000033a8642c51 in vfprintf () from /lib64/tls/libc.so.6
#2  0x00000033a8661bb4 in vsnprintf () from /lib64/tls/libc.so.6
#3  0x00000033a86481a1 in snprintf () from /lib64/tls/libc.so.6
#4  0x00002aaaaaaebf36 in convert_sid_to_string () from /usr/lib/libsmbclient.so.0
#5  0x00002aaaaaaedbda in cacl_get () from /usr/lib/libsmbclient.so.0
#6  0x00002aaaaaaf05ff in SMBC_getxattr_ctx () from /usr/lib/libsmbclient.so.0
#7  0x00002aaaaaae1d75 in smbc_getxattr () from /usr/lib/libsmbclient.so.0
#8  0x0000000000400fad in main ()

Can somebody please help me solve this.
I'm unable to use smbc_getxattr() in the latest version of samba.

thanks,
-Kishore