Segmentation fault Error

I'm getting a segfault of my own just from including the "segfault-handler" module. It doesn't make it far enough in to set its own signal handler routine before the SEGV occurs.

Here is the first few lines of my reproduction:

const config = require('../config.json');

// TODO: This module has not been updated in over 4 years, but its functionality is vital.
// Ironically, the current version of this module running in the latest stable version of
// nodejs segfaults before it can even get far enough into its own initialization to report
// a stack trace.
var SegfaultHandler = require('segfault-handler');
//SegfaultHandler.registerHandler('logs/lsstream_crash.log');
process.exit(1);

It should exit with status 1 immediately after loading "segfault-handler", but instead it just unceremoniously segfaults during a wrapper function around dlopen:

jfolker-local@jfolker-ubuntu1:~/git/lscat/lsnode/backend$ node lsstream.js 
Segmentation fault (core dumped)

Can you try running your nodejs script under gdb and post your stack trace? I wanna see if yours is similar to mine:

jfolker-local@jfolker-ubuntu1:~/git/lscat/lsnode/backend$ gdb node
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04) 12.1
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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Type "show copying" and "show warranty" for details.
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Type "show configuration" for configuration details.
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For help, type "help".
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Reading symbols from node...
(gdb) r lsstream.js
Starting program: /home/jfolker-local/.nvm/versions/node/v20.11.1/bin/node lsstream.js
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff77ff640 (LWP 869426)]
[New Thread 0x7ffff6ffe640 (LWP 869427)]
[New Thread 0x7ffff67fd640 (LWP 869428)]
[New Thread 0x7ffff5ffc640 (LWP 869429)]
[New Thread 0x7ffff57fb640 (LWP 869430)]
[New Thread 0x7ffff7fba640 (LWP 869431)]

Thread 1 "node" received signal SIGSEGV, Segmentation fault.
0x00007fffce01a985 in ?? () from /lib/x86_64-linux-gnu/libnode.so.72
(gdb) bt
#0  0x00007fffce01a985 in ?? () from /lib/x86_64-linux-gnu/libnode.so.72
#1  0x00007ffff7fc947e in call_init (l=<optimized out>, argc=argc@entry=2, argv=argv@entry=0x7fffffffe2f8, env=env@entry=0x7fffffffe310)
    at ./elf/dl-init.c:70
#2  0x00007ffff7fc9568 in call_init (env=0x7fffffffe310, argv=0x7fffffffe2f8, argc=2, l=<optimized out>) at ./elf/dl-init.c:33
#3  _dl_init (main_map=0x5673330, argc=2, argv=0x7fffffffe2f8, env=0x7fffffffe310) at ./elf/dl-init.c:117
#4  0x00007ffff7974af5 in __GI__dl_catch_exception (exception=<optimized out>, operate=<optimized out>, args=<optimized out>)
    at ./elf/dl-error-skeleton.c:182
#5  0x00007ffff7fd0ff6 in dl_open_worker (a=0x7fffffffc280) at ./elf/dl-open.c:808
#6  dl_open_worker (a=a@entry=0x7fffffffc280) at ./elf/dl-open.c:771
#7  0x00007ffff7974a98 in __GI__dl_catch_exception (exception=<optimized out>, operate=<optimized out>, args=<optimized out>)
    at ./elf/dl-error-skeleton.c:208
#8  0x00007ffff7fd134e in _dl_open (file=<optimized out>, mode=-2147483647, 
    caller_dlopen=0xc6a2be <std::_Function_handler<bool (node::binding::DLib*), node::binding::DLOpen(v8::FunctionCallbackInfo<v8::Value> const&)::{lambda(node::binding::DLib*)#1}>::_M_invoke(std::_Any_data const&, node::binding::DLib*&&)+62>, nsid=-2, argc=2, 
    argv=<optimized out>, env=0x7fffffffe310) at ./elf/dl-open.c:883
#9  0x00007ffff789063c in dlopen_doit (a=a@entry=0x7fffffffc4f0) at ./dlfcn/dlopen.c:56
#10 0x00007ffff7974a98 in __GI__dl_catch_exception (exception=exception@entry=0x7fffffffc450, operate=<optimized out>, args=<optimized out>)
    at ./elf/dl-error-skeleton.c:208
#11 0x00007ffff7974b63 in __GI__dl_catch_error (objname=0x7fffffffc4a8, errstring=0x7fffffffc4b0, mallocedp=0x7fffffffc4a7, 
    operate=<optimized out>, args=<optimized out>) at ./elf/dl-error-skeleton.c:227
#12 0x00007ffff789012e in _dlerror_run (operate=operate@entry=0x7ffff78905e0 <dlopen_doit>, args=args@entry=0x7fffffffc4f0)
    at ./dlfcn/dlerror.c:138
#13 0x00007ffff78906c8 in dlopen_implementation (dl_caller=<optimized out>, mode=<optimized out>, file=<optimized out>)
    at ./dlfcn/dlopen.c:71
#14 ___dlopen (file=<optimized out>, mode=<optimized out>) at ./dlfcn/dlopen.c:81
#15 0x0000000000c6a2be in std::_Function_handler<bool (node::binding::DLib*), node::binding::DLOpen(v8::FunctionCallbackInfo<v8::Value> const&)::{lambda(node::binding::DLib*)#1}>::_M_invoke(std::_Any_data const&, node::binding::DLib*&&) ()
#16 0x0000000000c1a14e in node::Environment::TryLoadAddon(char const*, int, std::function<bool (node::binding::DLib*)> const&) ()
#17 0x0000000000c69819 in node::binding::DLOpen(v8::FunctionCallbackInfo<v8::Value> const&) ()
#18 0x0000000000f328df in v8::internal::FunctionCallbackArguments::Call(v8::internal::CallHandlerInfo) ()
#19 0x0000000000f3314d in v8::internal::MaybeHandle<v8::internal::Object> v8::internal::(anonymous namespace)::HandleApiCallHelper<false>(v8::internal::Isolate*, v8::internal::Handle<v8::internal::HeapObject>, v8::internal::Handle<v8::internal::FunctionTemplateInfo>, v8::internal::Handle<v8::internal::Object>, unsigned long*, int) ()
#20 0x0000000000f33615 in v8::internal::Builtin_HandleApiCall(int, unsigned long*, v8::internal::Isolate*) ()
#21 0x000000000193cdf6 in Builtins_CEntry_Return1_ArgvOnStack_BuiltinExit ()
#22 0x00000000018aed1c in Builtins_InterpreterEntryTrampoline ()
#23 0x00000405422004e9 in ?? ()
#24 0x0000383fdf047711 in ?? ()
#25 0x0000000700000000 in ?? ()
#26 0x00000405422005b9 in ?? ()
#27 0x0000383fdf043851 in ?? ()
#28 0x00002758e77054b1 in ?? ()
#29 0x00002758e77048c9 in ?? ()
#30 0x0000036d7281d141 in ?? ()
#31 0x00002758e77048c9 in ?? ()
#32 0x00000405422004e9 in ?? ()

ddopson / node-segfault-handler

Segmentation fault Error #74