Aborting on failure to bind

[gametbt]

If right attribute data is given, it works without any errors and stays put:
$ ./example.js
Auth: true

But, if wrong attributes are given, it fails as expected, but aborts with the following trace.
Any idea what is going on?
$ ./example.js
Auth: false
*** glibc detected *** node: double free or corruption (out): 0xbfed0b80 ***
======= Backtrace: =========
/lib/libc.so.6[0x1cc6c5]
/lib/libc.so.6(cfree+0x59)[0x1ccb09]
/usr/lib/liblber-2.3.so.0(ber_memfree_x+0x4a)[0x36a31a]
/usr/lib/liblber-2.3.so.0(ber_free+0x34)[0x3686b4]
/user1/sites/nodejs/node_modules/ldapauth/ldapauth.node[0xcdef89]
/user1/sites/nodejs/node_modules/ldapauth/ldapauth.node[0xcdf074]
node[0x8176987]
node(eio_poll+0x154)[0x8176b14]
node[0x813442e]
node(ev_invoke_pending+0x5a)[0x81798ca]
node(ev_run+0x5c9)[0x817ee99]
node(_ZN4node5StartEiPPc+0x768)[0x8138738]
node(main+0x22)[0x8133fe2]
/lib/libc.so.6(__libc_start_main+0xdc)[0x178e9c]
node[0x8133f01]
======= Memory map: ========
00110000-00134000 rwxp 00110000 00:00 0
0013d000-0013f000 r-xp 00000000 03:0a 992090 /lib/libutil-2.5.so
0013f000-00140000 r-xp 00001000 03:0a 992090 /lib/libutil-2.5.so
00140000-00141000 rwxp 00002000 03:0a 992090 /lib/libutil-2.5.so
00144000-0015f000 r-xp 00000000 03:0a 992013 /lib/ld-2.5.so
0015f000-00160000 r-xp 0001a000 03:0a 992013 /lib/ld-2.5.so
00160000-00161000 rwxp 0001b000 03:0a 992013 /lib/ld-2.5.so
00163000-002b6000 r-xp 00000000 03:0a 992015 /lib/libc-2.5.so
002b6000-002b8000 r-xp 00153000 03:0a 992015 /lib/libc-2.5.so
002b8000-002b9000 rwxp 00155000 03:0a 992015 /lib/libc-2.5.so
002b9000-002bc000 rwxp 002b9000 00:00 0
002be000-002e5000 r-xp 00000000 03:0a 992044 /lib/libm-2.5.so
002e5000-002e6000 r-xp 00026000 03:0a 992044 /lib/libm-2.5.so
002e6000-002e7000 rwxp 00027000 03:0a 992044 /lib/libm-2.5.so
002e9000-002ec000 r-xp 00000000 03:0a 992038 /lib/libdl-2.5.so
002ec000-002ed000 r-xp 00002000 03:0a 992038 /lib/libdl-2.5.so
002ed000-002ee000 rwxp 00003000 03:0a 992038 /lib/libdl-2.5.so
002f0000-00305000 r-xp 00000000 03:0a 992021 /lib/libpthread-2.5.so
00305000-00306000 r-xp 00015000 03:0a 992021 /lib/libpthread-2.5.so
00306000-00307000 rwxp 00016000 03:0a 992021 /lib/libpthread-2.5.so
00307000-00309000 rwxp 00307000 00:00 0
0030b000-0031d000 r-xp 00000000 03:0d 1303417 /usr/lib/libz.so.1.2.3
0031d000-0031e000 rwxp 00011000 03:0d 1303417 /usr/lib/libz.so.1.2.3
00320000-00327000 r-xp 00000000 03:0a 992022 /lib/librt-2.5.so
00327000-00328000 r-xp 00007000 03:0a 992022 /lib/librt-2.5.so
00328000-00329000 rwxp 00008000 03:0a 992022 /lib/librt-2.5.so
00329000-00362000 r-xp 00000000 03:0d 1310272 /usr/lib/libldap-2.3.so.0.2.31
00362000-00363000 rwxp 00039000 03:0d 1310272 /usr/lib/libldap-2.3.so.0.2.31
00363000-00370000 r-xp 00000000 03:0d 1304988 /usr/lib/liblber-2.3.so.0.2.31
00370000-00371000 rwxp 0000c000 03:0d 1304988 /usr/lib/liblber-2.3.so.0.2.31
00371000-0037b000 r-xp 00000000 03:0a 992079 /lib/libnss_files-2.5.so
0037b000-0037c000 r-xp 00009000 03:0a 992079 /lib/libnss_files-2.5.so
0037c000-0037d000 rwxp 0000a000 03:0a 992079 /lib/libnss_files-2.5.so
004c1000-004c2000 r-xp 004c1000 00:00 0 [vdso]
00778000-0077c000 r-xp 00000000 03:0a 992073 /lib/libnss_dns-2.5.so
0077c000-0077d000 r-xp 00003000 03:0a 992073 /lib/libnss_dns-2.5.so
0077d000-0077e000 rwxp 00004000 03:0a 992073 /lib/libnss_dns-2.5.so
0095e000-00963000 rwxp 0095e000 00:00 0
00965000-00967000 rwxp 00965000 00:00 0
009e2000-00a02000 rwxp 009e2000 00:00 0
00bb2000-00bed000 r-xp 00000000 03:0a 992066 /lib/libsepol.so.1
00bed000-00bee000 rwxp 0003b000 03:0a 992066 /lib/libsepol.so.1
00bee000-00bf8000 rwxp 00bee000 00:00 0
00bfa000-00c10000 r-xp 00000000 03:0a 992072 /lib/libselinux.so.1
00c10000-00c12000 rwxp 00015000 03:0a 992072 /lib/libselinux.so.1
00c1e000-00c29000 r-xp 00000000 03:0a 992204 /lib/libgcc_s-4.1.2-20080825.so.1
00c29000-00c2a000 rwxp 0000a000 03:0a 992204 /lib/libgcc_s-4.1.2-20080825.so.1
00c95000-00cb5000 rwxp 00c95000 00:00 0
00cd7000-00ce4000 r-xp 00000000 03:05 3180275 /user1/sites/nodejs/node_modules/ldapauth/ldapauth.node
00ce4000-00ce5000 rwxp 0000d000 03:05 3180275 /user1/sites/nodejs/node_modules/ldapauth/ldapauth.node
00df1000-00df3000 r-xp 00000000 03:0a 992055 /lib/libkeyutils-1.2.so
00df3000-00df4000 rwxp 00001000 03:0a 992055 /lib/libkeyutils-1.2.so
00df6000-00df8000 r-xp 00000000 03:0a 992074 /lib/libcom_err.so.2.1
00df8000-00df9000 rwxp 00001000 03:0a 992074 /lib/libcom_err.so.2.1
00ea1000-00ec1000 rwxp 00ea1000 00:00 0
07261000-07271000 r-xp 00000000 03:0a 992063 /lib/libresolv-2.5.so
07271000-07272000 r-xp 0000f000 03:0a 992063 /lib/libresolv-2.5.so
07272000-07273000 rwxp 00010000 03:0a 992063 /lib/libresolv-2.5.so
07273000-07275000 rwxp 07273000 00:00 0
07277000-073a1000 r-xp 00000000 03:0a 992080 /lib/libcrypto.so.0.9.8e
073a1000-073b4000 rwxp 00129000 03:0a 992080 /lib/libcrypto.so.0.9.8e
073b4000-073b8000 rwxp 073b4000 00:00 0
07414000-074a8000 r-xp 00000000 03:0d 1304960 /usr/lib/libkrb5.so.3.3
074a8000-074ab000 rwxp 00093000 03:0d 1304960 /usr/lib/libkrb5.so.3.3
074ad000-074b5000 r-xp 00000000 03:0d 1304426 /usr/lib/libkrb5support.so.0.1
074b5000-074b6000 rwxp 00007000 03:0d 1304426 /usr/lib/libkrb5support.so.0.1
074f0000-0751d000 r-xp 00000000 03:0d 1304963 /usr/lib/libgssapi_krb5.so.2.2
0751d000-0751e000 rwxp 0002d000 03:0d 1304963 /usr/lib/libgssapi_krb5.so.2.2
07520000-07546000 r-xp 00000000 03:0d 1304959 /usr/lib/libk5crypto.so.3.1
07546000-07547000 rwxp 00025000 03:0d 1304959 /usr/lib/libk5crypto.so.3.1
07549000-0758d000 r-xp 00000000 03:0a 992087 /lib/libssl.so.0.9.8e
0758d000-07591000 rwxp 00043000 03:0a 992087 /lib/libssl.so.0.9.8e
07998000-07a78000 r-xp 00000000 03:0d 1303422 /usr/lib/libstdc++.so.6.0.8
07a78000-07a7c000 r-xp 000df000 03:0d 1303422 /usr/lib/libstdc++.so.6.0.8
07a7c000-07a7d000 rwxp 000e3000 03:0d 1303422 /usr/lib/libstdc++.so.6.0.8
07a7d000-07a83000 rwxp 07a7d000 00:00 0
07a85000-07a8e000 r-xp 00000000 03:0a 992206 /lib/libcrypt-2.5.so
07a8e000-07a8f000 r-xp 00008000 03:0a 992206 /lib/libcrypt-2.5.so
07a8f000-07a90000 rwxp 00009000 03:0a 992206 /lib/libcrypt-2.5.so
07a90000-07ab7000 rwxp 07a90000 00:00 0
07bf0000-07c08000 r-xp 00000000 03:0d 1310271 /usr/lib/libsasl2.so.2.0.22
07c08000-07c09000 rwxp 00017000 03:0d 1310271 /usr/lib/libsasl2.so.2.0.22
08048000-0859d000 r-xp 00000000 03:07 163599 /usr/local/node-v0.4.8/bin/node
0859d000-085a5000 rw-p 00554000 03:07 163599 /usr/local/node-v0.4.8/bin/node
085a5000-085bf000 rw-p 085a5000 00:00 0
093bb000-09471000 rw-p 093bb000 00:00 0 [heap]
b53d8000-b53d9000 ---p b53d8000 00:00 0
b53d9000-b53e9000 rw-p b53d9000 00:00 0
b53e9000-b53ea000 ---p b53e9000 00:00 0
b53ea000-b5495000 rw-p b53ea000 00:00 0
b5495000-b5496000 ---p b5495000 00:00 0
b5496000-b5f38000 rw-p b5496000 00:00 0
b5f38000-b6000000 ---p b5f38000 00:00 0
b6000000-b6080000 rw-p b6000000 00:00 0
b6080000-b6800000 ---p b6080000 00:00 0
b6800000-b6880000 rw-p b6800000 00:00 0
b6880000-b7f38000 ---p b6880000 00:00 0
b7f38000-b7f3e000 rw-p b7f38000 00:00 0
bfebe000-bfed3000 rw-p bffe9000 00:00 0 [stack]
Aborted

Thanks