nodejs / nodejs/node

v8: Node 26.9.0 crashes with `Check failed: new_capacity > 0.` when `Error.stackTraceLimit` is set above 357913941 with `--trace-uncaught`

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confirmed-bug v8 engine
Dominant language
JavaScript
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Description

Version

v26.9.0

Platform
Darwin 25.6.0 Darwin Kernel Version 25.6.0: Fri Jul 31 19:18:53 PDT 2026; root:xnu-12377.161.14~5/RELEASE_ARM64_T6031 arm64 arm Darwin
Subsystem

v8

What steps will reproduce the bug?
node --trace-uncaught -e 'Error.stackTraceLimit=Infinity; Error()'
How often does it reproduce? Is there a required condition?

Every time

What is the expected behavior? Why is that the expected behavior?

No crash

What do you see instead?
#
# Fatal error in , line 0
# Check failed: new_capacity > 0.
#
#
#
#FailureMessage Object: 0x16b45a7a8
----- Native stack trace -----

 1: 0x104b48804 node::NodePlatform::GetStackTracePrinter()::$_0::__invoke() [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
 2: 0x1066bf2bc V8_Fatal(char const*, ...) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
 3: 0x1070c9f84 v8::internal::Handle<v8::internal::FixedArray> v8::internal::FixedArray::RightTrimOrEmpty<v8::internal::Handle>(v8::internal::Isolate*, v8::internal::Handle<v8::internal::FixedArray>, unsigned int) (.cold.2) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
 4: 0x1051d4884 v8::internal::Handle<v8::internal::FixedArray> v8::internal::FixedArray::RightTrimOrEmpty<v8::internal::Handle>(v8::internal::Isolate*, v8::internal::Handle<v8::internal::FixedArray>, unsigned int) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
 5: 0x104ea831c v8::internal::Isolate::CaptureAndSetErrorStack(v8::internal::DirectHandle<v8::internal::JSObject>, v8::internal::FrameSkipMode, v8::internal::Handle<v8::internal::Object>) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
 6: 0x104ec5510 v8::internal::ErrorUtils::Construct(v8::internal::Isolate*, v8::internal::DirectHandle<v8::internal::JSFunction>, v8::internal::DirectHandle<v8::internal::Object>, v8::internal::DirectHandle<v8::internal::Object>, v8::internal::DirectHandle<v8::internal::Object>, v8::internal::FrameSkipMode, v8::internal::DirectHandle<v8::internal::Object>, v8::internal::ErrorUtils::StackTraceCollection) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
 7: 0x104d7d074 v8::internal::Builtin_ErrorConstructor(int, unsigned long*, v8::internal::Isolate*) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
 8: 0x105a8cbec Builtins_CEntry_Return1_ArgvOnStack_BuiltinExit [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
 9: 0x1059e9424 Builtins_InterpreterEntryTrampoline [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
10: 0x1059e6788 Builtins_JSEntryTrampoline [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
11: 0x1059e6478 Builtins_JSEntry [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
12: 0x104e97970 v8::internal::(anonymous namespace)::Invoke(v8::internal::Isolate*, v8::internal::(anonymous namespace)::InvokeParams const&) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
13: 0x104e97e54 v8::internal::Execution::CallScript(v8::internal::Isolate*, v8::internal::DirectHandle<v8::internal::JSFunction>, v8::internal::DirectHandle<v8::internal::Object>, v8::internal::DirectHandle<v8::internal::Object>) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
14: 0x104d1bb78 v8::Script::Run(v8::Local<v8::Context>, v8::Local<v8::Data>) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
15: 0x104aa57b0 node::contextify::ContextifyScript::EvalMachine(v8::Local<v8::Context>, node::Environment*, long long, bool, bool, bool, v8::MicrotaskQueue*, v8::FunctionCallbackInfo<v8::Value> const&) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
16: 0x106fb1230 node::contextify::ContextifyScript::RunInContext(v8::FunctionCallbackInfo<v8::Value> const&) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
17: 0x1059eb20c Builtins_CallApiCallbackGeneric [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
18: 0x1059e9424 Builtins_InterpreterEntryTrampoline [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
19: 0x1059e9424 Builtins_InterpreterEntryTrampoline [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
20: 0x1059e9424 Builtins_InterpreterEntryTrampoline [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
21: 0x1059e9424 Builtins_InterpreterEntryTrampoline [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
22: 0x1059e9424 Builtins_InterpreterEntryTrampoline [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
23: 0x1059e9424 Builtins_InterpreterEntryTrampoline [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
24: 0x1059e9424 Builtins_InterpreterEntryTrampoline [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
25: 0x1059e6788 Builtins_JSEntryTrampoline [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
26: 0x1059e6478 Builtins_JSEntry [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
27: 0x104e97970 v8::internal::(anonymous namespace)::Invoke(v8::internal::Isolate*, v8::internal::(anonymous namespace)::InvokeParams const&) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
28: 0x104e97344 v8::internal::Execution::Call(v8::internal::Isolate*, v8::internal::DirectHandle<v8::internal::Object>, v8::internal::DirectHandle<v8::internal::Object>, v8::base::Vector<v8::internal::DirectHandle<v8::internal::Object> const>) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
29: 0x104d27794 v8::Function::Call(v8::Isolate*, v8::Local<v8::Context>, v8::Local<v8::Value>, int, v8::Local<v8::Value>*) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
30: 0x104a8e334 node::builtins::BuiltinLoader::CompileAndCall(v8::Local<v8::Context>, char const*, node::Realm*) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
31: 0x106fe6db8 node::Realm::ExecuteBootstrapper(char const*) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
32: 0x106f9ee04 node::StartExecution(node::Environment*, char const*) (.cold.1) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
33: 0x104a6edc0 node::StartExecution(node::Environment*, char const*) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
34: 0x104a6ed38 node::StartExecution(node::Environment*, std::__1::function<v8::MaybeLocal<v8::Value> (node::StartExecutionCallbackInfoWithModule const&)>) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
35: 0x1049b59d0 node::LoadEnvironment(node::Environment*, std::__1::function<v8::MaybeLocal<v8::Value> (node::StartExecutionCallbackInfoWithModule const&)>, std::__1::function<void (node::Environment*, v8::Local<v8::Value>, v8::Local<v8::Value>)>) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
36: 0x106fdb5b8 node::NodeMainInstance::Run() (.cold.1) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
37: 0x104b03a5c node::NodeMainInstance::Run() [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
38: 0x104a732b4 node::Start(int, char**) [/Users/silverwind/.local/share/nodejs/v26.9.0/bin/node]
39: 0x18f5a04e4 start [/usr/lib/dyld]
[1]    45370 trace trap  node -e 'Error.stackTraceLimit=Infinity; Error()'
Additional information

Any stack trace limit above 357913941 (2^32 / 12) triggers the crash. v26.8.2 does not crash. Requires --trace-uncaught to crash.

Likely culprit is https://github.com/nodejs/node/pull/65764
Popular module triggering the crash: https://github.com/wooorm/import-meta-resolve/blob/4.2.0/lib/errors.js#L427-L436

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Run the reported command on Node v26.9.0 and v26.8.2, then inspect nodejs/node#65764 and the V8 stack entries for FixedArray::RightTrimOrEmpty and CaptureAndSetErrorStack. Use import-meta-resolve's lib/errors.js lines 427-436 as the application trigger; done means the reproducer no longer crashes with --trace-uncaught when Error.stackTraceLimit exceeds 357913941.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript, nodejs
Domain
backend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Mostly clear
Newbie friendliness
48/100

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