Oct 27 13:16:34 systemd-coredump[18848]: Process 18846 (SQW01) of user 1003 dumped core. Stack trace of thread 18846: #0 0x00007fb4087ce700 n/a (libcap-ng.so.0) #1 0x00007fb3f3be7fe6 _unix_run_helper_binary (pam_unix.so) #2 0x00007fb3f3be8f9f _unix_blankpasswd (pam_unix.so) #3 0x00007fb3f3be6534 pam_sm_authenticate (pam_unix.so) #4 0x00007fb408a75104 _pam_dispatch_aux (libpam.so.0) #5 0x00007fb408a749d3 pam_authenticate (libpam.so.0) #6 0x00007fb408e0ced0 AuthEntry (VBoxAuth.so) #7 0x0000000000409892 _ZN17WebServiceSession12authenticateEPKcS1_PP11IVirtualBox (vboxwebsrv) #8 0x000000000040c6ed _Z38__vbox__IWebsessionManager_USCORElogonP4soapP37_vbox__IWebsessionManager_USCORElogonP45_vbox__IWebsessionManager_USCORElogonResponse (vboxwebsrv) #9 0x000000000063d308 _Z49soap_serve___vbox__IWebsessionManager_USCORElogonP4soap (vboxwebsrv) #10 0x00000000006725c0 soap_serve (vboxwebsrv) #11 0x000000000040a5e5 _ZN10SoapThread7processEv (vboxwebsrv) #12 0x000000000040e85c _ZN10SoapThread10fntWrapperEP11RTTHREADINTPv (vboxwebsrv) #13 0x00007fb41e77fbcc rtThreadMain (VBoxRT.so) #14 0x00007fb41e81149a _ZL18rtThreadNativeMainPv (VBoxRT.so) #15 0x00007fb41e429594 start_thread (libpthread.so.0) #16 0x00007fb41d19ee6f __clone (libc.so.6) Oct 27 13:16:34 systemd-coredump[18851]: Process 18849 (SQW01) of user 1003 dumped core. Stack trace of thread 18849: #0 0x00007fb4087ce700 n/a (libcap-ng.so.0) #1 0x00007fb3f3be7fe6 _unix_run_helper_binary (pam_unix.so) #2 0x00007fb3f3be92c2 _unix_verify_password (pam_unix.so) #3 0x00007fb3f3be6635 pam_sm_authenticate (pam_unix.so) #4 0x00007fb408a75104 _pam_dispatch_aux (libpam.so.0) #5 0x00007fb408a749d3 pam_authenticate (libpam.so.0) #6 0x00007fb408e0ced0 AuthEntry (VBoxAuth.so) #7 0x0000000000409892 _ZN17WebServiceSession12authenticateEPKcS1_PP11IVirtualBox (vboxwebsrv) #8 0x000000000040c6ed _Z38__vbox__IWebsessionManager_USCORElogonP4soapP37_vbox__IWebsessionManager_USCORElogonP45_vbox__IWebsessionManager_USCORElogonResponse (vboxwebsrv) #9 0x000000000063d308 _Z49soap_serve___vbox__IWebsessionManager_USCORElogonP4soap (vboxwebsrv) #10 0x00000000006725c0 soap_serve (vboxwebsrv) #11 0x000000000040a5e5 _ZN10SoapThread7processEv (vboxwebsrv) #12 0x000000000040e85c _ZN10SoapThread10fntWrapperEP11RTTHREADINTPv (vboxwebsrv) #13 0x00007fb41e77fbcc rtThreadMain (VBoxRT.so) #14 0x00007fb41e81149a _ZL18rtThreadNativeMainPv (VBoxRT.so) #15 0x00007fb41e429594 start_thread (libpthread.so.0) #16 0x00007fb41d19ee6f __clone (libc.so.6) [149786.678823] SQW01[18846]: segfault at 7fb4087ce700 ip 00007fb4087ce700 sp 00007fb40908e6f8 error 14 in libcap-ng.so.0.0.0[7fb408646000+200000] [149786.678840] Code: Bad RIP value. [149786.797925] SQW01[18849]: segfault at 7fb4087ce700 ip 00007fb4087ce700 sp 00007fb40908e6b8 error 14 in libcap-ng.so.0.0.0[7fb408646000+200000] [149786.797935] Code: Bad RIP value.