# cd /var/tmp/portage/sys-libs/glibc-2.18-r1/image/lib/ # gdb ./ld-2.18.so GNU gdb (Gentoo 7.5.1 p2) 7.5.1 Copyright (C) 2012 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 "ia64-unknown-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /var/tmp/portage/sys-libs/glibc-2.18-r1/image/lib/ld-2.18.so...(no debugging symbols found)...done. (gdb) symbol-file ../usr/lib/debug/lib/ld-2.18.so.debug Reading symbols from /var/tmp/portage/sys-libs/glibc-2.18-r1/image/usr/lib/debug/lib/ld-2.18.so.debug...done. (gdb) run --library-path . /bin/date Starting program: /var/tmp/portage/sys-libs/glibc-2.18-r1/image/lib/ld-2.18.so --library-path . /bin/date Program received signal SIGSEGV, Segmentation fault. 0x200000080000b231 in elf_get_dynamic_info (temp=0x0, l=0x2000000800051458 <_rtld_local+2456>) at get-dynamic-info.h:61 61 + DT_VERSIONTAGNUM + DT_EXTRANUM + DT_VALNUM] = dyn; (gdb) bt full #0 0x200000080000b231 in elf_get_dynamic_info (temp=0x0, l=0x2000000800051458 <_rtld_local+2456>) at get-dynamic-info.h:61 dyn = 0x200000080004c770 info = 0x2000000800051498 <_rtld_local+2520> #1 _dl_start (arg=0x60000fffffffb270) at rtld.c:409 No locals. #2 0x20000008000029d0 in _start () relocate_time = 0 audit_list = 0x0 _dl_rtld_libname2 = {name = 0x0, next = 0x0, dont_free = 0} library_path = 0x0 start_time = 654800383162534 any_debug = 0 load_time = 0 tls_init_tp_called = false preloadlist = 0x0 version_info = 0 _dl_rtld_libname = {name = 0x0, next = 0x0, dont_free = 0} __stack_pointer = 0x60000fffffffb260 "" _rtld_local_ro = {_dl_debug_mask = 0, _dl_osversion = 0, _dl_platform = 0x0, _dl_platformlen = 0, _dl_pagesize = 65536, _dl_inhibit_cache = 0, _dl_initial_searchlist = {r_list = 0x0, r_nlist = 0}, _dl_clktck = 0, _dl_verbose = 0, _dl_debug_fd = 2, _dl_lazy = 1, _dl_bind_not = 0, _dl_dynamic_weak = 0, _dl_fpu_control = 0, _dl_correct_cache_id = 515, _dl_hwcap = 0, _dl_hwcap_mask = 0, _dl_auxv = 0x0, _dl_inhibit_rpath = 0x0, _dl_origin_path = 0x0, _dl_use_load_bias = 18446744073709551614, _dl_profile = 0x0, _dl_profile_output = 0x0, _dl_trace_prelink = 0x0, _dl_trace_prelink_map = 0x0, _dl_init_all_dirs = 0x0, _dl_hp_timing_overhead = 0, _dl_sysinfo = 10624, _dl_sysinfo_dso = 0x0, _dl_sysinfo_map = 0x0, _dl_hwcap2 = 0, _dl_debug_printf = 0x0, _dl_catch_error = 0x0, _dl_signal_error = 0x0, _dl_mcount = 0x0, _dl_lookup_symbol_x = 0x0, _dl_check_caller = 0x0, _dl_open = 0x0, _dl_close = 0x0, _dl_tls_get_addr_soft = 0x0, _dl_discover_osversion = 0x0, _dl_audit = 0x0, _dl_naudit = 0, _dl_pointer_guard = 1} _dl_skip_args = 0 __pointer_chk_guard_local = 0 _rtld_global_ro = {_dl_debug_mask = 0, _dl_osversion = 0, _dl_platform = 0x0, _dl_platformlen = 0, _dl_pagesize = 65536, _dl_inhibit_cache = 0, _dl_initial_searchlist = {r_list = 0x0, r_nlist = 0}, _dl_clktck = 0, _dl_verbose = 0, _dl_debug_fd = 2, _dl_lazy = 1, _dl_bind_not = 0, _dl_dynamic_weak = 0, _dl_fpu_control = 0, _dl_correct_cache_id = 515, _dl_hwcap = 0, _dl_hwcap_mask = 0, _dl_auxv = 0x0, _dl_inhibit_rpath = 0x0, _dl_origin_path = 0x0, _dl_use_load_bias = 18446744073709551614, _dl_profile = 0x0, _dl_profile_output = 0x0, _dl_trace_prelink = 0x0, _dl_trace_prelink_map = 0x0, _dl_init_all_dirs = 0x0, _dl_hp_timing_overhead = 0, _dl_sysinfo = 10624, _dl_sysinfo_dso = 0x0, _dl_sysinfo_map = 0x0, _dl_hwcap2 = 0, _dl_debug_printf = 0x0, _dl_catch_error = 0x0, _dl_signal_error = 0x0, _dl_mcount = 0x0, _dl_lookup_symbol_x = 0x0, _dl_check_caller = 0x0, _dl_open = 0x0, _dl_close = 0x0, _dl_tls_get_addr_soft = 0x0, _dl_discover_osversion = 0x0, _dl_audit = 0x0, _dl_naudit = 0, _dl_pointer_guard = 1} _dl_argv = 0x0 __thread_self = 0x2000000000042b10 _rtld_local = {_dl_ns = {{_ns_loaded = 0x0, _ns_nloaded = 0, _ns_main_searchlist = 0x0, _ns_global_scope_alloc = 0, _ns_unique_sym_table = {lock = {mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 1, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' , "\001", '\000' , __align = 0}}, entries = 0x0, size = 0, n_elements = 0, free = 0x0}, _ns_debug = {r_version = 0, r_map = 0x0, r_brk = 0, r_state = RT_CONSISTENT, r_ldbase = 0}}, {_ns_loaded = 0x0, _ns_nloaded = 0, _ns_main_searchlist = 0x0, _ns_global_scope_alloc = 0, _ns_unique_sym_table = {lock = {mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' , __align = 0}}, entries = 0x0, size = 0, n_elements = 0, free = 0x0}, _ns_debug = {r_version = 0, r_map = 0x0, r_brk = 0, r_state = RT_CONSISTENT, r_ldbase = 0}} }, _dl_nns = 1, _dl_load_lock = {mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 1, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' , "\001", '\000' , __align = 0}}, _dl_load_write_lock = {mutex = {__data = { __lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 1, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' , "\001", '\000' , __align = 0}}, _dl_load_adds = 0, _dl_initfirst = 0x0, _dl_cpuclock_offset = 0, _dl_profile_map = 0x0, _dl_num_relocations = 0, _dl_num_cache_relocations = 0, _dl_all_dirs = 0x0, _dl_error_catch_tsd = 0x0, _dl_rtld_map = {l_addr = 2305843043573432320, l_name = 0x0, l_ld = 0x200000080004c760, l_next = 0x0, l_prev = 0x0, l_real = 0x0, l_ns = 0, l_libname = 0x0, l_info = {0x0 , 0x200000080004c760, 0x0 }, l_phdr = 0x0, l_entry = 0, l_phnum = 0, l_ldnum = 0, l_searchlist = {r_list = 0x0, r_nlist = 0}, l_symbolic_searchlist = {r_list = 0x0, r_nlist = 0}, l_loader = 0x0, l_versions = 0x0, l_nversions = 0, l_nbuckets = 0, l_gnu_bitmask_idxbits = 0, l_gnu_shift = 0, l_gnu_bitmask = 0x0, {l_gnu_buckets = 0x0, l_chain = 0x0}, {l_gnu_chain_zero = 0x0, l_buckets = 0x0}, l_direct_opencount = 0, l_type = lt_executable, l_relocated = 0, l_init_called = 0, l_global = 0, l_reserved = 0, l_phdr_allocated = 0, l_soname_added = 0, l_faked = 0, l_need_tls_init = 0, l_auditing = 0, l_audit_any_plt = 0, l_removed = 0, l_contiguous = 0, l_symbolic_in_local_scope = 0, l_free_initfini = 0, l_rpath_dirs = {dirs = 0x0, malloced = 0}, l_reloc_result = 0x0, l_versyms = 0x0, l_origin = 0x0, l_map_start = 0, l_map_end = 0, l_text_end = 0, l_scope_mem = {0x0, 0x0, 0x0, 0x0}, l_scope_max = 0, l_scope = 0x0, l_local_scope = {0x0, 0x0}, l_dev = 0, l_ino = 0, l_runpath_dirs = {dirs = 0x0, malloced = 0}, l_initfini = 0x0, l_reldeps = 0x0, l_reldepsmax = 0, l_used = 0, l_feature_1 = 0, l_flags_1 = 0, l_flags = 0, l_idx = 0, l_mach = {fptr_table_len = 0, fptr_table = 0x0}, l_lookup_cache = {sym = 0x0, type_class = 0, value = 0x0, ret = 0x0}, l_tls_initimage = 0x0, l_tls_initimage_size = 0, l_tls_blocksize = 0, l_tls_align = 0, l_tls_firstbyte_offset = 0, l_tls_offset = 0, l_tls_modid = 0, l_tls_dtor_count = 0, l_relro_addr = 0, l_relro_size = 0, l_serial = 0, l_audit = 0x20000008000518c8 <_rtld_local+3592>}, audit_data = {{cookie = 0, bindflags = 0} }, _dl_rtld_lock_recursive = 0x0, _dl_rtld_unlock_recursive = 0x0, _dl_make_stack_executable_hook = 0x0, _dl_stack_flags = 7, _dl_tls_dtv_gaps = false, _dl_tls_max_dtv_idx = 0, _dl_tls_dtv_slotinfo_list = 0x0, _dl_tls_static_nelem = 0, _dl_tls_static_size = 0, _dl_tls_static_used = 0, _dl_tls_static_align = 0, _dl_initial_dtv = 0x0, _dl_tls_generation = 0, _dl_init_static_tls = 0x0, _dl_wait_lookup_done = 0x0, _dl_scope_free_list = 0x0} _rtld_global = {_dl_ns = {{_ns_loaded = 0x0, _ns_nloaded = 0, _ns_main_searchlist = 0x0, _ns_global_scope_alloc = 0, _ns_unique_sym_table = {lock = {mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 1, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' , "\001", '\000' , __align = 0}}, entries = 0x0, size = 0, n_elements = 0, free = 0x0}, _ns_debug = {r_version = 0, r_map = 0x0, r_brk = 0, r_state = RT_CONSISTENT, r_ldbase = 0}}, {_ns_loaded = 0x0, _ns_nloaded = 0, _ns_main_searchlist = 0x0, _ns_global_scope_alloc = 0, _ns_unique_sym_table = {lock = {mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' , __align = 0}}, entries = 0x0, size = 0, n_elements = 0, free = 0x0}, _ns_debug = {r_version = 0, r_map = 0x0, r_brk = 0, r_state = RT_CONSISTENT, r_ldbase = 0}} }, _dl_nns = 1, _dl_load_lock = {mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 1, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' , "\001", '\000' , __align = 0}}, _dl_load_write_lock = {mutex = {__data = { __lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 1, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' , "\001", '\000' , __align = 0}}, _dl_load_adds = 0, _dl_initfirst = 0x0, _dl_cpuclock_offset = 0, _dl_profile_map = 0x0, _dl_num_relocations = 0, _dl_num_cache_relocations = 0, _dl_all_dirs = 0x0, _dl_error_catch_tsd = 0x0, _dl_rtld_map = {l_addr = 2305843043573432320, l_name = 0x0, l_ld = 0x200000080004c760, l_next = 0x0, l_prev = 0x0, l_real = 0x0, l_ns = 0, l_libname = 0x0, l_info = {0x0 , 0x200000080004c760, 0x0 }, l_phdr = 0x0, l_entry = 0, l_phnum = 0, l_ldnum = 0, l_searchlist = {r_list = 0x0, r_nlist = 0}, l_symbolic_searchlist = {r_list = 0x0, r_nlist = 0}, l_loader = 0x0, l_versions = 0x0, l_nversions = 0, l_nbuckets = 0, l_gnu_bitmask_idxbits = 0, l_gnu_shift = 0, l_gnu_bitmask = 0x0, {l_gnu_buckets = 0x0, l_chain = 0x0}, {l_gnu_chain_zero = 0x0, l_buckets = 0x0}, l_direct_opencount = 0, l_type = lt_executable, l_relocated = 0, l_init_called = 0, l_global = 0, l_reserved = 0, l_phdr_allocated = 0, l_soname_added = 0, l_faked = 0, l_need_tls_init = 0, l_auditing = 0, l_audit_any_plt = 0, l_removed = 0, l_contiguous = 0, l_symbolic_in_local_scope = 0, l_free_initfini = 0, l_rpath_dirs = {dirs = 0x0, malloced = 0}, l_reloc_result = 0x0, l_versyms = 0x0, l_origin = 0x0, l_map_start = 0, l_map_end = 0, l_text_end = 0, l_scope_mem = {0x0, 0x0, 0x0, 0x0}, l_scope_max = 0, l_scope = 0x0, l_local_scope = {0x0, 0x0}, l_dev = 0, l_ino = 0, l_runpath_dirs = {dirs = 0x0, malloced = 0}, l_initfini = 0x0, l_reldeps = 0x0, l_reldepsmax = 0, l_used = 0, l_feature_1 = 0, l_flags_1 = 0, l_flags = 0, l_idx = 0, l_mach = {fptr_table_len = 0, fptr_table = 0x0}, l_lookup_cache = {sym = 0x0, type_class = 0, value = 0x0, ret = 0x0}, l_tls_initimage = 0x0, l_tls_initimage_size = 0, l_tls_blocksize = 0, l_tls_align = 0, l_tls_firstbyte_offset = 0, l_tls_offset = 0, l_tls_modid = 0, l_tls_dtor_count = 0, l_relro_addr = 0, l_relro_size = 0, l_serial = 0, l_audit = 0x20000008000518c8 <_rtld_local+3592>}, audit_data = {{cookie = 0, bindflags = 0} }, _dl_rtld_lock_recursive = 0x0, _dl_rtld_unlock_recursive = 0x0, _dl_make_stack_executable_hook = 0x0, _dl_stack_flags = 7, _dl_tls_dtv_gaps = false, _dl_tls_max_dtv_idx = 0, _dl_tls_dtv_slotinfo_list = 0x0, _dl_tls_static_nelem = 0, _dl_tls_static_size = 0, _dl_tls_static_used = 0, _dl_tls_static_align = 0, _dl_initial_dtv = 0x0, _dl_tls_generation = 0, _dl_init_static_tls = 0x0, _dl_wait_lookup_done = 0x0, _dl_scope_free_list = 0x0} _dl_argc = 0 _dl_argv_internal = 0x0