GNU gdb (Gentoo 7.10.1 vanilla) 7.10.1 Copyright (C) 2015 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-pc-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib64/debug//lib64/ld-2.22.so.debug...done. done. [New LWP 27370] Core was generated by `/lib64/ld-linux-x86-64.so.2 --verify /usr/lib64/debug/usr/lib64/samba/libauth4-'. Program terminated with signal SIGBUS, Bus error. #0 memset () at ../sysdeps/x86_64/multiarch/../rtld-memset.S:33 (gdb) thread apply all bt Thread 1 (LWP 27370): #0 memset () at ../sysdeps/x86_64/multiarch/../rtld-memset.S:33 #1 0x000055a384a53c91 in _dl_map_segments (loader=0x55a384c70188, has_holes=, maplength=, nloadcmds=2, loadcmds=, type=, header=, fd=, l=0x55a384c70188) at ./dl-map-segments.h:127 #2 _dl_map_object_from_fd (name=name@entry=0x7fff02ec4884 "/usr/lib64/debug/usr/lib64/samba/libauth4-samba4.so.debug", fd=, fbp=, realname=, loader=loader@entry=0x0, l_type=l_type@entry=0, mode=536870912, stack_endp=0x7fff02ec32d0, nsid=0) at dl-load.c:1221 #3 0x000055a384a5548c in _dl_map_object (loader=0x0, name=0x7fff02ec4884 "/usr/lib64/debug/usr/lib64/samba/libauth4-samba4.so.debug", type=0, trace_mode=trace_mode@entry=0, mode=536870912, nsid=nsid@entry=0) at dl-load.c:2186 #4 0x000055a384a4de25 in map_doit (a=a@entry=0x7fff02ec3840) at rtld.c:483 #5 0x000055a384a5c114 in _dl_catch_error (objname=objname@entry=0x7fff02ec3828, errstring=errstring@entry=0x7fff02ec3830, mallocedp=mallocedp@entry=0x7fff02ec3820, operate=operate@entry=0x55a384a4de00 , args=args@entry=0x7fff02ec3840) at dl-error.c:187 #6 0x000055a384a51741 in dl_main (phdr=, phnum=7, user_entry=0x7fff02ec38a8, auxv=0x7fff02ec3ab8) at rtld.c:916 #7 0x000055a384a63c89 in _dl_sysdep_start (start_argptr=start_argptr@entry=0x7fff02ec3940, dl_main=dl_main@entry=0x55a384a4e700 ) at ../elf/dl-sysdep.c:249 #8 0x000055a384a51b99 in _dl_start_final (arg=0x7fff02ec3940) at rtld.c:307 #9 _dl_start (arg=0x7fff02ec3940) at rtld.c:413 #10 0x000055a384a4dc48 in _start () (gdb) quit