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From: "orgads at gmail dot com" <sourceware-bugzilla@sourceware.org> To: gdb-prs@sourceware.org Subject: [Bug gdb/30175] New: stack smashing detected Date: Sun, 26 Feb 2023 20:19:51 +0000 [thread overview] Message-ID: <bug-30175-4717@http.sourceware.org/bugzilla/> (raw) https://sourceware.org/bugzilla/show_bug.cgi?id=30175 Bug ID: 30175 Summary: stack smashing detected Product: gdb Version: 13.1 Status: UNCONFIRMED Severity: critical Priority: P2 Component: gdb Assignee: unassigned at sourceware dot org Reporter: orgads at gmail dot com Target Milestone: --- I'm using gdb-multiarch on msys2/mingw32 (i686 host). When I open a core dump, GDB crashes with "stack smashing detected" error message. With x86_64 build (mingw64), it runs fine. My commands: set sysroot C:/sysroot/linux set osabi GNU/Linux -file-exec-file "C:/Users/orgads/AppData/Local/Temp/Core/app" -file-symbol-file "C:/Users/orgads/AppData/Local/Temp/Core/app" target core C:/Users/orgads/AppData/Local/Temp/Core/core Last words: =library-loaded,id="/lib64/libresolv.so.2",target-name="/lib64/libresolv.so.2",host-name="C:/sysroot/linux/lib64/libresolv.so.2",symbols-loaded="0",thread-group="i1",ranges=[{from="0x00007f8393775d00",to="0x00007f8393781dbe"}] =library-loaded,id="/lib64/libselinux.so.1",target-name="/lib64/libselinux.so.1",host-name="C:/sysroot/linux/lib64/libselinux.so.1",symbols-loaded="0",thread-group="i1",ranges=[{from="0x00007f839354eaa0",to="0x00007f83935668ff"}] =library-loaded,id="/lib64/libpcre2-8.so.0",target-name="/lib64/libpcre2-8.so.0",host-name="C:/sysroot/linux/lib64/libpcre2-8.so.0",symbols-loaded="0",thread-group="i1",ranges=[{from="0x00007f83932c5380",to="0x00007f8393320933"}] *** stack smashing detected ***: terminated Looks like the next library it loads is libz.so.1 Full Backtrace: Thread 1 (Thread 9876.0x5864): #0 0x00e3f336 in bfd_check_format_matches (abfd=abfd@entry=0x1b5abae0, format=format@entry=bfd_object, matching=matching@entry=0x0) at ../../gdb-13.1/bfd/format.c:365 high_water = <optimized out> target = 0x1ea26e4 <_bfd_target_vector+548> matching_vector = 0x1cc05668 save_targ = 0x1ea4540 <i386_pe_vec> right_targ = 0x1ec5120 <elf64_le_vec> ar_right_targ = <optimized out> match_targ = 0x1ec5120 <elf64_le_vec> match_count = <optimized out> best_count = 1 best_match = 2 ar_match_index = 260 initial_section_id = 2591 preserve = {marker = 0x4708c0c8, tdata = 0x0, flags = 32768, arch_info = 0x1e9eb80 <bfd_default_arch_struct>, sections = 0x0, section_last = 0x0, section_count = 0, section_id = 2591, section_htab = {table = 0x470940b0, newfunc = 0xe43650 <bfd_section_hash_newfunc>, memory = 0x1b25a6c0, size = 13, count = 0, entsize = 216, frozen = 0}, build_id = 0x0, cleanup = 0x0} preserve_match = {marker = 0x47098558, tdata = 0x4708c0d0, flags = 33104, arch_info = 0x1e9eb80 <bfd_default_arch_struct>, sections = 0x470950c8, section_last = 0x4709b530, section_count = 24, section_id = 2615, section_htab = {table = 0x470e7070, newfunc = 0xe43650 <bfd_section_hash_newfunc>, memory = 0x1b25a3d8, size = 4051, count = 24, entsize = 216, frozen = 0}, build_id = 0x4708cf78, cleanup = 0xe40b10 <_bfd_void_bfd>} cleanup = 0x0 orig_error_handler = 0x99e2a0 <gdb_bfd_error_handler(char const*, va_list)> in_check_format = 1 list = <optimized out> one = <optimized out> #1 0x00e3fd3f in bfd_check_format (abfd=0x1b5abae0, format=bfd_object) at ../../gdb-13.1/bfd/format.c:94 No locals. #2 0x00a891aa in find_separate_debug_file_in_section (objfile=objfile@entry=0x1cf7f9d0) at ../../gdb-13.1/gdb/minidebug.c:288 section = <optimized out> abfd = {m_obj = 0x1b5abae0} shared = <optimized out> filename = {_M_dataplus = {<std::allocator<char>> = {<std::__new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x470742b0 ".gnu_debugdata for C:/sysroot/linux/lib64/libz.so.1"}, _M_string_length = 59, {_M_local_buf = ";\000\000\000rintf\000t.plt", _M_allocated_capacity = 59}} #3 0x00c5933a in read_symbols (objfile=objfile@entry=0x1cf7f9d0, add_flags=..., add_flags@entry=...) at ../../gdb-13.1/gdb/symfile.c:782 abfd = {m_obj = 0xc58d25 <symbol_file_add_with_addrs(gdb_bfd_ref_ptr const&, char const*, symfile_add_flags, section_addr_info*, objfile_flags, objfile*)+485>} #4 0x00c58d2f in syms_from_objfile_1 (add_flags=..., addrs=0x5ef8b4, objfile=<optimized out>) at ../../gdb-13.1/gdb/symfile.c:968 local_addr = {<std::_Vector_base<other_sections, std::allocator<other_sections> >> = {_M_impl = {<std::allocator<other_sections>> = {<std::__new_allocator<other_sections>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<other_sections, std::allocator<other_sections> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>} mainline = 0 defer_clear_users = {{m_dummy = {<No data fields>}, m_item = {<scope_exit_base<detail::forward_scope_exit<void(enum_flags<symfile_add_flag>), clear_symtab_users, void(enum_flags<symfile_add_flag>)> >> = {m_released = false}, m_bind_function = {<std::_Weak_result_type<void (*)(enum_flags<symfile_add_flag>)>> = {<std::_Weak_result_type_memfun<void (*)(enum_flags<symfile_add_flag>), false>> = {<std::_Weak_result_type_impl<void (*)(enum_flags<symfile_add_flag>)>> = {<No data fields>}, <No data fields>}, <No data fields>}, _M_f = 0x0, _M_bound_args = {<std::_Tuple_impl<0, enum_flags<symfile_add_flag> >> = {<std::_Head_base<0, enum_flags<symfile_add_flag>, false>> = {_M_head_impl = {m_enum_value = 0}}, <No data fields>}, <No data fields>}}}, dont_use = 0 '\000'}, m_instantiated = false} objfile_holder = <optimized out> local_addr = <optimized out> mainline = <optimized out> defer_clear_users = <optimized out> objfile_holder = <optimized out> __func__ = <optimized out> num_sections = <optimized out> #5 syms_from_objfile (add_flags=..., addrs=0x5ef8b4, objfile=<optimized out>) at ../../gdb-13.1/gdb/symfile.c:985 No locals. #6 symbol_file_add_with_addrs (abfd=..., name=0x4451a348 "C:/sysroot/linux/lib64/libz.so.1", add_flags=..., addrs=0x5ef8b4, flags=..., parent=0x0) at ../../gdb-13.1/gdb/symfile.c:1088 objfile = <optimized out> from_tty = <optimized out> mainline = <optimized out> always_confirm = <optimized out> should_print = <optimized out> #7 0x00c5a27b in symbol_file_add_from_bfd (abfd=..., name=<optimized out>, name@entry=0x4451a348 "C:/sysroot/linux/lib64/libz.so.1", add_flags=..., add_flags@entry=..., addrs=addrs@entry=0x5ef8b4, flags=flags@entry=..., parent=parent@entry=0x0) at ../../gdb-13.1/gdb/symfile.c:1168 No locals. #8 0x00c1b35e in solib_read_symbols (so=so@entry=0x4451a140, flags=flags@entry=...) at ../../gdb-13.1/gdb/../gdbsupport/enum-flags.h:143 sap = {<std::_Vector_base<other_sections, std::allocator<other_sections> >> = {_M_impl = {<std::allocator<other_sections>> = {<std::__new_allocator<other_sections>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<other_sections, std::allocator<other_sections> >::_Vector_impl_data> = {_M_start = 0x41e3ea08, _M_finish = 0x41e3edc8, _M_end_of_storage = 0x41e3ef08}, <No data fields>}}, <No data fields>} tmp_bfd = {m_obj = 0x19485a98} #9 0x00c1cc6e in solib_add (pattern=pattern@entry=0x0, from_tty=from_tty@entry=0, readsyms=1) at ../../gdb-13.1/gdb/solib.c:1041 add_this_solib = 1 gdb = 0x4451a140 __for_range = <optimized out> __for_begin = <optimized out> __for_end = <optimized out> any_matches = true loaded_any_symbols = false add_flags = <optimized out> #10 0x009f6501 in post_create_inferior (from_tty=from_tty@entry=1) at ../../gdb-13.1/gdb/infcmd.c:300 solib_add_generation = 1 restore_in_initial_library_scan = <optimized out> thr = <optimized out> #11 0x008cbbef in core_target_open (arg=0x1ce2287c "C:/Users/orgads/AppData/Local/Temp/Core/core", from_tty=1) at ../../gdb-13.1/gdb/corelow.c:573 p = <optimized out> siggy = <optimized out> scratch_chan = <optimized out> flags = <optimized out> filename = {_M_t = {<std::__uniq_ptr_impl<char, gdb::xfree_deleter<char> >> = {_M_t = {<std::_Tuple_impl<0, char*, gdb::xfree_deleter<char> >> = {<std::_Tuple_impl<1, gdb::xfree_deleter<char> >> = {<std::_Head_base<1, gdb::xfree_deleter<char>, true>> = {_M_head_impl = {<No data fields>}}, <No data fields>}, <std::_Head_base<0, char*, false>> = {_M_head_impl = 0x195b0c40 "C:/Users/orgads/AppData/Local/Temp/Core/core"}, <No data fields>}, <No data fields>}}, <No data fields>}} temp_bfd = {m_obj = 0x0} target = 0x1daad0b8 target_holder = {_M_t = {<std::__uniq_ptr_impl<target_ops, target_ops_deleter>> = {_M_t = {<std::_Tuple_impl<0, target_ops*, target_ops_deleter>> = {<std::_Tuple_impl<1, target_ops_deleter>> = {<std::_Head_base<1, target_ops_deleter, true>> = {_M_head_impl = {<No data fields>}}, <No data fields>}, <std::_Head_base<0, target_ops*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}} reg_sect = 0x46ee1690 #12 0x00c95397 in open_target (args=0x1ce2287c "C:/Users/orgads/AppData/Local/Temp/Core/core", from_tty=1, command=0x19442cb0) at ../../gdb-13.1/gdb/target.c:853 ti = 0x15e7908 <core_target_info> func = 0x8cb920 <core_target_open(char const*, int)> #13 0x008983a5 in cmd_func (cmd=cmd@entry=0x19442cb0, args=args@entry=0x1ce2287c "C:/Users/orgads/AppData/Local/Temp/Core/core", from_tty=from_tty@entry=1) at ../../gdb-13.1/gdb/cli/cli-decode.c:2543 restore_suppress = <optimized out> #14 0x00ca5c6f in execute_command (p=<optimized out>, p@entry=0x1ce22870 "target core C:/Users/orgads/AppData/Local/Temp/Core/core", from_tty=1) at ../../gdb-13.1/gdb/top.c:688 default_args_and_arg = {_M_dataplus = {<std::allocator<char>> = {<std::__new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x5efba0 ""}, _M_string_length = 0, {_M_local_buf = "\000b���\374^\000\034\375^\000\304{\333w", _M_allocated_capacity = 3807470080}} without_whitespace = {_M_dataplus = {<std::allocator<char>> = {<std::__new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x5efbb8 ""}, _M_string_length = 0, {_M_local_buf = "\000\364��\034\b\000\000\000\000\000\000\000\066\000\022", _M_allocated_capacity = 483390464}} cmd2 = 0x2 <error: Cannot access memory at address 0x2> cmd = 0x1ce2287c "C:/Users/orgads/AppData/Local/Temp/Core/core" arg = 0x1ce2287c "C:/Users/orgads/AppData/Local/Temp/Core/core" default_args = {_M_dataplus = {<std::allocator<char>> = {<std::__new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x5efbd0 ""}, _M_string_length = 0, {_M_local_buf = "\000\364��\034\000\000�\027���\034\374\373^", _M_allocated_capacity = 483390464}} was_sync = 0 save_repeat_args = <optimized out> args_pointer = 0x1ce2287c "C:/Users/orgads/AppData/Local/Temp/Core/core" c = 0x19442cb0 line = <optimized out> cmd_start = 0x1ce22870 "target core C:/Users/orgads/AppData/Local/Temp/Core/core" cleanup_if_error = <optimized out> cleanup = {m_value = 0x0} __func__ = "execute_command" #15 0x0089c769 in safe_execute_command (from_tty=1, command=0x1ce22870 "target core C:/Users/orgads/AppData/Local/Temp/Core/core", command_uiout=<optimized out>) at ../../gdb-13.1/gdb/cli/cli-interp.c:354 e = <optimized out> saved_uiout = <optimized out> e = <optimized out> saved_uiout = <optimized out> exception = <optimized out> #16 cli_interp::exec (this=0x1946a368, command_str=0x1ce22870 "target core C:/Users/orgads/AppData/Local/Temp/Core/core") at ../../gdb-13.1/gdb/cli/cli-interp.c:331 old_stream = 0x1918e878 result = {reason = 0, error = GDB_NO_ERROR, message = {<std::__shared_ptr<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}} #17 0x00a162a8 in interp_exec (interp=interp@entry=0x1946a368, command_str=0x1ce22870 "target core C:/Users/orgads/AppData/Local/Temp/Core/core") at ../../gdb-13.1/gdb/interps.c:344 ui_interp = <optimized out> save_command_interp = <optimized out> #18 0x00a77bec in mi_cmd_interpreter_exec (command=command@entry=0x163fb48 <mi_valid_noargs(char const*, int, char**)::opts+6808> "-interpreter-exec", argv=argv@entry=0x5efd38, argc=argc@entry=2) at ../../gdb-13.1/gdb/mi/mi-interp.c:244 e = {reason = 0, error = GDB_NO_ERROR, message = {<std::__shared_ptr<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}} interp_to_use = 0x1946a368 i = 1 scope_exit_237 = {<scope_exit_base<scope_exit<mi_cmd_interpreter_exec(char const*, char**, int)::<lambda()> > >> = {m_released = false}, m_exit_function = {<No data fields>}} #19 0x00a80bdf in captured_mi_execute_command (context=0x1b29f350, uiout=0x1948ea38) at ../../gdb-13.1/gdb/mi/mi-main.c:1855 argv = {0x163fb40 <mi_valid_noargs(char const*, int, char**)::opts+6800> "console", 0x1ce22870 "target core C:/Users/orgads/AppData/Local/Temp/Core/core"} mi = 0x1948f440 save_token = <optimized out> mi = <optimized out> save_token = <optimized out> argv = <optimized out> #20 mi_execute_command (cmd=0x46d747f8 "target core C:/Users/orgads/AppData/Local/Temp/Core/core", from_tty=1) at ../../gdb-13.1/gdb/mi/mi-main.c:1941 token = 0x1b29b520 "" command = {_M_t = {<std::__uniq_ptr_impl<mi_parse, std::default_delete<mi_parse> >> = {_M_t = {<std::_Tuple_impl<0, mi_parse*, std::default_delete<mi_parse> >> = {<std::_Tuple_impl<1, std::default_delete<mi_parse> >> = {<std::_Head_base<1, std::default_delete<mi_parse>, true>> = {_M_head_impl = {<No data fields>}}, <No data fields>}, <std::_Head_base<0, mi_parse*, false>> = {_M_head_impl = 0x1b29f350}, <No data fields>}, <No data fields>}}, <No data fields>}} #21 0x00a7519c in mi_execute_command_wrapper (cmd=<optimized out>) at ../../gdb-13.1/gdb/mi/mi-interp.c:281 ui = 0x190b9308 ui = <optimized out> #22 mi_execute_command_input_handler (cmd=...) at ../../gdb-13.1/gdb/mi/mi-interp.c:310 mi = 0x1948f440 ui = 0x190b9308 #23 0x009688d5 in gdb_readline_no_editing_callback (client_data=0x190b9308) at ../../gdb-13.1/gdb/event-top.c:917 c = <optimized out> result = <optimized out> line_buffer = {buffer = 0x0, buffer_size = 0, used_size = 0} ui = 0x190b9308 stream = <optimized out> __func__ = "gdb_readline_no_editing_callback" #24 0x00968bf0 in stdin_event_handler (error=0, client_data=0x190b9308) at ../../gdb-13.1/gdb/event-top.c:541 ui = 0x190b9308 #25 0x0125fe69 in handle_file_event (ready_mask=<optimized out>, file_ptr=<optimized out>) at ../../gdb-13.1/gdbsupport/event-loop.cc:573 mask = <optimized out> mask = <optimized out> __func__ = <optimized out> #26 gdb_wait_for_event (block=block@entry=0) at ../../gdb-13.1/gdbsupport/event-loop.cc:716 mask = <optimized out> file_ptr = 0x1951c8f8 num_found = <optimized out> #27 0x01260756 in gdb_wait_for_event (block=0) at ../../gdb-13.1/gdbsupport/event-loop.cc:593 file_ptr = <optimized out> num_found = 0 select_timeout = <optimized out> timeout_p = <optimized out> mask = <optimized out> #28 gdb_do_one_event (mstimeout=mstimeout@entry=-1) at ../../gdb-13.1/gdbsupport/event-loop.cc:217 res = <optimized out> event_source_head = 1 number_of_sources = 3 current = <optimized out> timer_id = {{m_dummy = {<No data fields>}, m_item = 0, dont_use = 0 '\000'}, m_instantiated = false} scope_exit_251 = <optimized out> #29 0x00a5872c in start_event_loop () at ../../gdb-13.1/gdb/main.c:411 result = 0 #30 captured_command_loop () at ../../gdb-13.1/gdb/main.c:471 ui = 0x190b9308 #31 0x00a5a635 in captured_main (data=0x5efec4) at ../../gdb-13.1/gdb/main.c:1330 context = 0x5efec4 context = <optimized out> ex = <optimized out> #32 gdb_main (args=args@entry=0x5efec4) at ../../gdb-13.1/gdb/main.c:1345 No locals. #33 0x0139f100 in main (argc=3, argv=0x17a14d78) at ../../gdb-13.1/gdb/gdb.c:32 args = {argc = 3, argv = 0x17a14d78, interpreter_p = 0x158a044 "console"} -- You are receiving this mail because: You are on the CC list for the bug.
next reply other threads:[~2023-02-26 20:19 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-02-26 20:19 orgads at gmail dot com [this message] 2023-10-05 16:32 ` [Bug gdb/30175] " tromey at sourceware dot org
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