Hello Sir/Madam, I am seeing a crash while authenticating through open ldap on linux 5.5 x86-64. The application is 32 bit multithreaded. I am using openssl0.9.8e version.
Below is stack trace for same *** glibc detected *** ./cserver: free(): invalid pointer: 0xf47fa858 *** ======= Backtrace: ========= /lib/libc.so.6[0xb325a5] /lib/libc.so.6(cfree+0x59)[0xb329e9] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/liboss_t.so.9(CRYPTO_free+0x2d)[0xf7ad7f7e] /lib/libssl.so.6(ssl3_connect+0x852)[0xf6ddda32] /lib/libssl.so.6(SSL_connect+0x2a)[0xf6defc0a] /lib/libssl.so.6(ssl23_connect+0xb01)[0xf6de4431] /lib/libssl.so.6(SSL_connect+0x2a)[0xf6defc0a] /usr/lib/libldap-2.3.so.0(ldap_int_tls_start+0xac)[0xf6e6098c] /usr/lib/libldap-2.3.so.0(ldap_int_open_connection+0x1a0)[0xf6e3cce0] /usr/lib/libldap-2.3.so.0(ldap_new_connection+0xa6)[0xf6e506a6] /usr/lib/libldap-2.3.so.0(ldap_open_defconn+0x41)[0xf6e3cb11] /usr/lib/libldap-2.3.so.0(ldap_send_initial_request+0xd8)[0xf6e510b8] /usr/lib/libldap-2.3.so.0(ldap_sasl_bind+0x178)[0xf6e461d8] /usr/lib/libldap-2.3.so.0(ldap_simple_bind+0x8a)[0xf6e4675a] /lib/security/pam_ldap.so[0xf6e7bd4d] /lib/security/pam_ldap.so[0xf6e7c619] /lib/security/pam_ldap.so[0xf6e7df59] /lib/security/pam_ldap.so(pam_sm_authenticate+0x2f0)[0xf6e7e260] /lib/libpam.so.0(_pam_dispatch+0x28f)[0xf78c843f] /lib/libpam.so.0(pam_authenticate+0x51)[0xf78c7c81] /opt/bmc/common/security/bin_v3.0/linux-2-6-x86-nptl/libbmcauth.so[0xf6ed35c7] /opt/bmc/common/security/bin_v3.0/linux-2-6-x86-nptl/libbmcauth.so(BAA_ImportLoginUser+0x100)[0xf6ed470a] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/liboss_t.so.9(BAA_LoginUser+0x21)[0xf7b3c9a0] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/liboss_t.so.9(_ZN17OSS_BaaAuthObject13checkPasswordEP11BAA_SESSIONRK11I18n_StringRK11bmc_string8+0x65)[0xf7ace8b9] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/liboss_t.so.9(_ZN17OSS_BaaAuthObject12validateUserERK11I18n_StringRK11bmc_string8S2_PP11OSS_Account+0x8c)[0xf7ace5e4] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/liboss_t.so.9(_ZN14OSS_AuthObject12validateUserERK11I18n_StringRK11bmc_string8S2_PK14OSS_EncryptionPP11OSS_AccountR9OSS_Error+0xbc)[0xf7a84e48] /opt/bmc/common/bmc/bin/linux-2-6-x86-nptl/libagentlib9_t.so.9.0[0xf7df6ca0] /opt/bmc/common/bmc/bin/linux-2-6-x86-nptl/libagentlib9_t.so.9.0(_ZN19Agent_MLMChallenger17checkPasswordAsynERP16Cpl_AuthUserDataRK12bmc_string16S5_S5_RK11bmc_string8P22Cpl_AuthSchemeCallbackRS3_Rb+0x6c)[0xf7df9118] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/libauth_t.so.9(_ZN23Auth_PasswordChallenger18handleResponseAsynERP16Cpl_AuthUserDataRK12bmc_string16S5_S5_jRK15Cpl_AuthArgListRS6_RS3_P22Cpl_AuthSchemeCallbackRb+0xdb)[0xf7d739b7] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/libauth_t.so.9(_ZN11Auth_Scheme20dispatchResponseAsynERK11bmc_string8RP16Cpl_AuthUserDataRK12bmc_string16S8_S8_jRK15Cpl_AuthArgListRS9_RS6_P22Cpl_AuthSchemeCallbackRb+0x61)[0xf7d76859] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/libauth_t.so.9(_ZN11Auth_Scheme19handleResponseAsyncERP16Cpl_AuthUserDataRK12bmc_string16S5_S5_RK15Cpl_AuthArgListP22Cpl_AuthSchemeCallback+0x1f6)[0xf7d7662e] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/libcos_t.so.9(_ZN14Cos_AuthServer12authenticateER14Cos_IPCMessageR11I18n_String+0x48c)[0xf7c51094] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/libcos_t.so.9(_ZN19_Cos_ServicesObject24_handleRPCRequestMessageER14Cos_IPCMessageb+0x2fac)[0xf7ca19a8] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/libcos_t.so.9(_ZN19_Cos_ServicesObject17_decodeCosMessageER14Cos_IPCMessage+0x94)[0xf7ca339c] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/libcos_t.so.9(_ZN14Cos_IPCMessage7executeEv+0x22)[0xf7c655aa] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/liboss_t.so.9(_ZN15OSS_Gen_ThreadQ15dispatchMessageEP11OSS_Message+0x29)[0xf7ac9539] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/libcos_t.so.9(_ZN21_Cos_ThreadPoolMember10threadProcEv+0x6a)[0xf7c43a2a] /opt/bmc/common/bmc/bin/linux-2-4-x86-nptl/libtss_t.so.9[0xf7db9fdf] /lib/libpthread.so.0[0xc28832] /lib/libc.so.6(clone+0x5e)[0xb9ae0e] Please suggest how we can proceed with the same. Above stack trace shows the CRYPTO_free function is from liboss_t.so but there is no such function in the library. While building the same it was linked with openssl library. Please suggest how should we diagnose the problem further. Thanks, Minal Patil
