GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-110.el7 Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /usr/local/libexec/mupdate...done. [New LWP 10478] [New LWP 10482] [New LWP 10481] [New LWP 10479] [New LWP 10480] [New LWP 10476] [New LWP 10477] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `mupdate -m -C /etc/imapd_mu.conf'. Program terminated with signal 11, Segmentation fault. #0 OPENSSL_cleanse () at x86_64cpuid.s:192 192 movq %rax,(%rdi) (gdb) Thread 7 (Thread 0x7fc98341f700 (LWP 10477)): #0 0x00007fc986062a2d in accept () at ../sysdeps/unix/syscall-template.S:81 #1 0x00000000004098fa in mupdate_placebo_kick_start (rock=0x0) at imap/mupdate-slave.c:351 #2 0x00007fc98605bdd5 in start_thread (arg=0x7fc98341f700) at pthread_create.c:308 #3 0x00007fc985ad0b3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 Thread 6 (Thread 0x7fc98b43c8c0 (LWP 10476)): #0 0x00007fc986062a2d in accept () at ../sysdeps/unix/syscall-template.S:81 #1 0x000000000040a232 in main (argc=4, argv=0x7ffc0cfcfd28, envp=0x7ffc0cfcfd50) at master/service-thread.c:268 Thread 5 (Thread 0x7fc97bfff700 (LWP 10480)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x0000000000405cd4 in thread_main (rock=0x0) at imap/mupdate.c:1142 #2 0x00007fc98605bdd5 in start_thread (arg=0x7fc97bfff700) at pthread_create.c:308 #3 0x00007fc985ad0b3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 Thread 4 (Thread 0x7fc98241d700 (LWP 10479)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x0000000000405cd4 in thread_main (rock=0x0) at imap/mupdate.c:1142 #2 0x00007fc98605bdd5 in start_thread (arg=0x7fc98241d700) at pthread_create.c:308 #3 0x00007fc985ad0b3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 Thread 3 (Thread 0x7fc981c1c700 (LWP 10481)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x0000000000405cd4 in thread_main (rock=0x0) at imap/mupdate.c:1142 #2 0x00007fc98605bdd5 in start_thread (arg=0x7fc981c1c700) at pthread_create.c:308 #3 0x00007fc985ad0b3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 Thread 2 (Thread 0x7fc98141b700 (LWP 10482)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x0000000000405cd4 in thread_main (rock=0x0) at imap/mupdate.c:1142 #2 0x00007fc98605bdd5 in start_thread (arg=0x7fc98141b700) at pthread_create.c:308 #3 0x00007fc985ad0b3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 Thread 1 (Thread 0x7fc982c1e700 (LWP 10478)): #0 OPENSSL_cleanse () at x86_64cpuid.s:192 #1 0x00007fc988357993 in BN_clear_free (a=0x7fc974000078) at bn_lib.c:235 #2 0x00007fc98839aab5 in DH_free (r=0x7fc9741b9600) at dh_lib.c:203 #3 0x00007fc98918ebef in tls_shutdown_serverengine () at imap/tls.c:1311 #4 0x0000000000404075 in conn_free (C=0x7fc970001520) at imap/mupdate.c:379 #5 0x00000000004062c0 in thread_main (rock=0x0) at imap/mupdate.c:1330 #6 0x00007fc98605bdd5 in start_thread (arg=0x7fc982c1e700) at pthread_create.c:308 #7 0x00007fc985ad0b3d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 (gdb) quit