here is error message after logout *** glibc detected *** su: double free or corruption (out): 0x09387df0 *** ======= Backtrace: ========= /lib/i686/cmov/libc.so.6[0xb7e0d624] /lib/i686/cmov/libc.so.6(cfree+0x96)[0xb7e0f826] /lib/security/pam_mount.so[0xb7b8ff17] /lib/libpam.so.0[0xb7effcba] /lib/libpam.so.0(pam_end+0x39)[0xb7f00849] su[0x8049cf7] su[0x804b617] /lib/i686/cmov/libc.so.6(__libc_start_main+0xe5)[0xb7db5455] su(misc_conv+0x22d)[0x80499b1] ======= Memory map: ======== 08048000-0804e000 r-xp 00000000 08:01 6651934 /bin/su 0804e000-0804f000 rw-p 00006000 08:01 6651934 /bin/su 0804f000-08053000 rw-p 0804f000 00:00 0 0935c000-0939e000 rw-p 0935c000 00:00 0 [heap] b7400000-b7421000 rw-p b7400000 00:00 0 b7421000-b7500000 ---p b7421000 00:00 0 b752c000-b7538000 r-xp 00000000 08:01 8749059 /lib/libgcc_s.so.1 b7538000-b7539000 rw-p 0000b000 08:01 8749059 /lib/libgcc_s.so.1 b7539000-b756e000 r--s 00000000 08:01 11026651 /var/cache/nscd/group b756e000-b7572000 r-xp 00000000 08:01 8758475 /lib/i686/cmov/libnss_dns-2.7.so b7572000-b7574000 rw-p 00003000 08:01 8758475 /lib/i686/cmov/libnss_dns-2.7.so b7574000-b7576000 r-xp 00000000 08:01 8749397 /lib/libkeyutils-1.2.so b7576000-b7577000 rw-p 00001000 08:01 8749397 /lib/libkeyutils-1.2.so b7577000-b757e000 r-xp 00000000 08:01 16454846 /usr/lib/libkrb5support.so.0.1 b757e000-b757f000 rw-p 00006000 08:01 16454846 /usr/lib/libkrb5support.so.0.1 b757f000-b75a2000 r-xp 00000000 08:01 16454843 /usr/lib/libk5crypto.so.3.1 b75a2000-b75a3000 rw-p 00023000 08:01 16454843 /usr/lib/libk5crypto.so.3.1 b75a3000-b75cc000 r-xp 00000000 08:01 16454842 /usr/lib/libgssapi_krb5.so.2.2 b75cc000-b75cd000 rw-p 00028000 08:01 16454842 /usr/lib/libgssapi_krb5.so.2.2 b75cd000-b765f000 r-xp 00000000 08:01 16454845 /usr/lib/libkrb5.so.3.3 b765f000-b7661000 rw-p 00092000 08:01 16454845 /usr/lib/libkrb5.so.3.3 b7661000-b7673000 r-xp 00000000 08:01 8749407 /lib/libnss_ldap-2.7.so b7673000-b7674000 rw-p 00012000 08:01 8749407 /lib/libnss_ldap-2.7.so b7674000-b767f000 rw-p b7674000 00:00 0 b767f000-b7689000 r-xp 00000000 08:01 8758476 /lib/i686/cmov/libnss_files-2.7.so b7689000-b768b000 rw-p 00009000 08:01 8758476 /lib/i686/cmov/libnss_files-2.7.so b768b000-b7694000 r-xp 00000000 08:01 8758478 /lib/i686/cmov/libnss_nis-2.7.so b7694000-b7696000 rw-p 00008000 08:01 8758478 /lib/i686/cmov/libnss_nis-2.7.so b7696000-b769d000 r-xp 00000000 08:01 8758474 /lib/i686/cmov/libnss_compat-2.7.so b769d000-b769f000 rw-p 00006000 08:01 8758474 /lib/i686/cmov/libnss_compat-2.7.so b76a8000-b76af000 r--s 00000000 08:01 16451906 /usr/lib/gconv/gconv-modules.cache b76af000-b76b3000 r--p 00000000 08:01 16449818 /usr/share/locale/ru/LC_MESSAGES/Linux-PAM.mo b76b3000-b76b5000 r-xp 00000000 08:01 8749255 /lib/security/pam_mkhomedir.so b76b5000-b76b8000 rw-p 00001000 08:01 8749255 /lib/security/pam_mkhomedir.so b76b8000-b771e000 r-xp 00000000 08:01 16452536 /usr/lib/libgcrypt.so.11.4.4 b771e000-b7720000 rw-p 00066000 08:01 16452536 /usr/lib/libgcrypt.so.11.4.4 b7720000-b772f000 r-xp 00000000 08:01 16452538 /usr/lib/libtasn1.so.3.0.15 b772f000-b7730000 rw-p 0000e000 08:01 16452538 /usr/lib/libtasn1.so.3.0.15 b7730000-b7745000 r-xp 00000000 08:01 8758481 /lib/i686/cmov/libpthread-2.7.so b7745000-b7747000 rw-p 00014000 08:01 8758481 /lib/i686/cmov/libpthread-2.7.so b7747000-b7749000 rw-p b7747000 00:00 0 b7749000-b77e0000 r-xp 00000000 08:01 16453629 /usr/lib/libgnutls.so.26.4.6 b77e0000-b77e6000 rw-p 00097000 08:01 16453629 /usr/lib/libgnutls.so.26.4.6 b77e6000-b77fc000 r-xp 00000000 08:01 16452736 /usr/lib/libsasl2.so.2.0.22 b77fc000-b77fd000 rw-p 00015000 08:01 16452736 /usr/lib/libsasl2.so.2.0.22 b77fd000-b780d000 r-xp 00000000 08:01 8758482 /lib/i686/cmov/libresolv-2.7.so b780d000-b780f000 rw-p 0000f000 08:01 8758482 /lib/i686/cmov/libresolv-2.7.so b780f000-b7811000 rw-p b780f000 00:00 0 b7811000-b781d000 r-xp 00000000 08:01 16455023 /usr/lib/liblber-2.4.so.2.1.0 b781d000-b781e000 rw-p 0000c000 08:01 16455023 /usr/lib/liblber-2.4.so.2.1.0 b781e000-b785e000 r-xp 00000000 08:01 16455024 /usr/lib/libldap_r-2.4.so.2.1.0 b785e000-b7860000 rw-p 0003f000 08:01 16455024 /usr/lib/libldap_r-2.4.so.2.1.0 b7860000-b7861000 rw-p b7860000 00:00 0 b7861000-b786a000 r-xp 00000000 08:01 8749410 /lib/security/pam_ldap.so b786a000-b786b000 rw-p 00009000 08:01 8749410 /lib/security/pam_ldap.so b786b000-b788f000 r-xp 00000000 08:01 8758471 /lib/i686/cmov/libm-2.7.so b788f000-b7891000 rw-p 00023000 08:01 8758471 /lib/i686/cmov/libm-2.7.so b7891000-b78a5000 r-xp 00000000 08:01 16451719 /usr/lib/libz.so.1.2.3.3 b78a5000-b78a6000 rw-p 00013000 08:01 16451719 /usr/lib/libz.so.1.2.3.3 b78a6000-b79d9000 r-xp 00000000 08:01 16454837 /usr/lib/libxml2.so.2.6.32 b79d9000-b79de000 rw-p 00132000 08:01 16454837 /usr/lib/libxml2.so.2.6.32 b79de000-b79df000 rw-p b79de000 00:00 0 b79df000-b7b19000 r-xp 00000000 08:01 16467993 /usr/lib/i686/cmov/libcrypto.so.0.9.8 b7b19000-b7b2f000 rw-p 0013a000 08:01 16467993 /usr/lib/i686/cmov/libcrypto.so.0.9.8 b7b2f000-b7b32000 rw-p b7b2f000 00:00 0 b7b32000-b7b75000 r-xp 00000000 08:01 16467992 /usr/lib/i686/cmov/libssl.so.0.9.8 b7b75000-b7b79000 rw-p 00042000 08:01 16467992 /usr/lib/i686/cmov/libssl.so.0.9.8 b7b79000-b7b82000 r-xp 00000000 08:01 5079201 /usr/lib/libHX.so.13.0.0 b7b82000-b7b83000 rw-p 00009000 08:01 5079201 /usr/lib/libHX.so.13.0.0 b7b83000-b7b85000 r-xp 00000000 08:01 8749120 /lib/libcom_err.so.2.1 b7b85000-b7b86000 rw-p 00001000 08:01 8749120 /lib/libcom_err.so.2.1 b7b86000-b7b89000 r-xp 00000000 08:01 8749250 /lib/security/pam_limits.so b7b89000-b7b8a000 rw-p 00002000 08:01 8749250 /lib/security/pam_limits.so b7b8a000-b7b8b000 r-xp 00000000 08:01 8749287 /lib/security/pam_permit.so b7b8b000-b7b8c000 rw-p 00000000 08:01 8749287 /lib/security/pam_permit.so b7b8c000-b7b9a000 r-xp 00000000 08:01 8749411 /lib/security/pam_mount.so b7b9a000-b7b9d000 rw-p 0000e000 08:01 8749411 /lib/security/pam_mount.so b7b9d000-b7ba2000 rw-p b7b9d000 00:00 0 b7ba2000-b7bab000 r-xp 00000000 08:01 8758469 /lib/i686/cmov/libcrypt-2.7.so b7bab000-b7bad000 rw-p 00008000 08:01 8758469 /lib/i686/cmov/libcrypt-2.7.so b7bad000-b7bd4000 rw-p b7bad000 00:00 0 b7bd4000-b7be9000 r-xp 00000000 08:01 8758473 /lib/i686/cmov/libnsl-2.7.so b7be9000-b7beb000 rw-p 00014000 08:01 8758473 /lib/i686/cmov/libnsl-2.7.so b7beb000-b7bed000 rw-p b7beb000 00:00 0 b7bed000-b7bee000 r-xp 00000000 08:01 8749257 /lib/security/pam_deny.so b7bee000-b7bef000 rw-p 00000000 08:01 8749257 /lib/security/pam_deny.so b7bef000-b7bf2000 r-xp 00000000 08:01 16452529 /usr/lib/libgpg-error.so.0.3.0 b7bf2000-b7bf3000 rw-p 00002000 08:01 16452529 /usr/lib/libgpg-error.so.0.3.0 b7bf3000-b7bf5000 r-xp 00000000 08:01 8749266 /lib/security/pam_succeed_if.so b7bf5000-b7bf6000 rw-p 00001000 08:01 8749266 /lib/security/pam_succeed_if.so b7bf6000-b7c02000 r-xp 00000000 08:01 8749109 /lib/security/pam_unix.so b7c02000-b7c03000 rw-p 0000b000 08:01 8749109 /lib/security/pam_unix.so b7c03000-b7c0f000 rw-p b7c03000 00:00 0 b7c0f000-b7c26000 r-xp 00000000 08:01 8749105 /lib/libselinux.so.1 b7c26000-b7c28000 rw-p 00016000 08:01 8749105 /lib/libselinux.so.1 b7c28000-b7c29000 r-xp 00000000 08:01 8749248 /lib/security/pam_rootok.so b7c29000-b7c2a000 rw-p 00000000 08:01 8749248 /lib/security/pam_rootok.so b7c2b000-b7c60000 r--s 00000000 08:01 11026649 /var/cache/nscd/passwd b7c60000-b7d9a000 r--p 00000000 08:01 16467397 /usr/lib/locale/locale-archive b7d9a000-b7d9b000 rw-p b7d9a000 00:00 0 b7d9b000-b7d9d000 r-xp 00000000 08:01 8758470 /lib/i686/cmov/libdl-2.7.so b7d9d000-b7d9f000 rw-p 00001000 08:01 8758470 /lib/i686/cmov/libdl-2.7.so b7d9f000-b7ef4000 r-xp 00000000 08:01 8758467 /lib/i686/cmov/libc-2.7.so b7ef4000-b7ef5000 r--p 00155000 08:01 8758467 /lib/i686/cmov/libc-2.7.so b7ef5000-b7ef7000 rw-p 00156000 08:01 8758467 /lib/i686/cmov/libc-2.7.so b7ef7000-b7efb000 rw-p b7ef7000 00:00 0 b7efb000-b7efd000 r-xp 00000000 08:01 8749106 /lib/libpam_misc.so.0.81.3 b7efd000-b7efe000 rw-p 00001000 08:01 8749106 /lib/libpam_misc.so.0.81.3 b7efe000-b7f08000 r-xp 00000000 08:01 8749244 /lib/libpam.so.0.81.12 b7f08000-b7f09000 rw-p 00009000 08:01 8749244 /lib/libpam.so.0.81.12 b7f09000-b7f0b000 rw-p b7f09000 00:00 0 b7f0b000-b7f0d000 r-xp 00000000 08:01 8749264 /lib/security/pam_mail.so b7f0d000-b7f0e000 rw-p 00001000 08:01 8749264 /lib/security/pam_mail.so b7f0e000-b7f11000 r-xp 00000000 08:01 8749258 /lib/security/pam_env.so b7f11000-b7f12000 rw-p 00002000 08:01 8749258 /lib/security/pam_env.so b7f12000-b7f14000 rw-p b7f12000 00:00 0 b7f14000-b7f15000 r-xp b7f14000 00:00 0 [vdso] b7f15000-b7f2f000 r-xp 00000000 08:01 8749058 /lib/ld-2.7.so b7f2f000-b7f31000 rw-p 0001a000 08:01 8749058 /lib/ld-2.7.so bf869000-bf87e000 rw-p bffeb000 00:00 0 [stack]