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robobun c8cb7713fc Fix Windows crash in process.title when console title is empty (#23184) 
## Summary

Fixes a segmentation fault on Windows 11 when accessing `process.title`
in certain scenarios (e.g., when fetching system information or making
Discord webhook requests).

## Root Cause

The crash occurred in libuv's `uv_get_process_title()` at `util.c:413`
in the `strlen()` call. The issue is that `uv__get_process_title()`
could return success (0) but leave `process_title` as NULL in edge cases
where:

1. `GetConsoleTitleW()` returns an empty string
2. `uv__convert_utf16_to_utf8()` succeeds but doesn't allocate memory
for the empty string
3. The subsequent `assert(process_title)` doesn't catch this in release
builds
4. `strlen(process_title)` crashes with a null pointer dereference

## Changes

Added defensive checks in `BunProcess.cpp`:
1. Initialize the title buffer to an empty string before calling
`uv_get_process_title()`
2. Check if the buffer is empty after the call returns
3. Fall back to "bun" if the title is empty or the call fails

## Testing

Added regression test in `test/regression/issue/23183.test.ts` that
verifies:
- `process.title` doesn't crash when accessed
- Returns a valid string (either the console title or "bun")

Fixes #23183

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude Bot <claude-bot@bun.sh>
Co-authored-by: Claude <noreply@anthropic.com>
2025-10-03 02:54:23 -07:00
..
allocators
ssg 3 (#22138)
2025-09-30 05:26:32 -07:00
analytics
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
api
Implement jsxSideEffects option for JSX dead code elimination control (#22298)
2025-09-01 02:35:55 -07:00
ast
Passthrough anyerror when using handleOom (#23176)
2025-10-02 14:11:29 -07:00
async
Rename disabled parameter in Output.scoped (#21769)
2025-08-11 20:19:34 -07:00
bake
ssg 3 (#22138)
2025-09-30 05:26:32 -07:00
base64
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
bun.js
Fix Windows crash in process.title when console title is empty (#23184)
2025-10-03 02:54:23 -07:00
bundler
Passthrough anyerror when using handleOom (#23176)
2025-10-02 14:11:29 -07:00
cli
bun:test performance regression fix (#23199)
2025-10-02 20:12:59 -07:00
codegen
Upgrade WebKit (#23122)
2025-10-01 17:16:25 -07:00
collections
Add generic-allocator ArrayList (#22917)
2025-09-26 15:19:45 -07:00
create
Fix Windows shell crash with && operator and external commands (#22651)
2025-09-14 04:14:48 -07:00
css
Passthrough anyerror when using handleOom (#23176)
2025-10-02 14:11:29 -07:00
deps
fix(valkey/redis) fix tls (includes pub/sub) (#22981)
2025-09-26 18:57:06 -07:00
errno
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
fs
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
glob
fix(glob): fix index out of bounds in GlobWalker (#23055)
2025-09-29 02:21:13 -07:00
http
ssg 3 (#22138)
2025-09-30 05:26:32 -07:00
init
bun bake templates: --source-map -> --sourcemap (#21130)
2025-07-17 03:13:48 -07:00
install
fix(install): isolated install with file dependency resolving to root package (#23204)
2025-10-03 02:38:55 -07:00
interchange
Make the bundler tests use the API by default in most cases (#22646)
2025-09-14 02:27:53 -07:00
io
implement pnpm migration (#22262)
2025-09-27 00:45:29 -07:00
js
fix(node:http) fix closing socket after upgraded to websocket (#23150)
2025-10-02 14:55:28 -07:00
js_lexer
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
libarchive
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
napi
Fix N-API compatibility issues: strict_equals, call_function, and array_with_length (#22459)
2025-09-07 17:53:00 -07:00
node-fallbacks
node-fallbacks:buffer: fix numberIsNaN ReferenceError (#21527)
2025-07-31 22:07:17 -07:00
paths
fix(pnpm migration): correctly resolve link: dependencies on the root package (#23111)
2025-09-30 00:10:15 -07:00
ptr
bun.ptr.Shared: fix dependency loop and add leak/adopt methods (#23024)
2025-09-26 19:46:50 -07:00
resolver
refactor: move jsxSideEffects from tsconfig to jsx build config (#22665)
2025-09-20 05:50:30 -07:00
s3
Fix aborting fetch() calls while the socket is connecting. Fix a thread-safety issue involving redirects and AbortSignal. (#22842)
2025-09-25 16:08:06 -07:00
safety
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
semver
fix(install): change semver core numbers to u64 (#22889)
2025-09-22 19:28:26 -07:00
shell
revert this change made to ShellRmTask.DirTask (#23028)
2025-09-26 22:23:06 -07:00
sourcemap
ssg 3 (#22138)
2025-09-30 05:26:32 -07:00
sql
fix(Bun.SQL) time should be represented as a string and date as a time (#23193)
2025-10-02 19:00:14 -07:00
string
ssg 3 (#22138)
2025-09-30 05:26:32 -07:00
sys
implement pnpm migration (#22262)
2025-09-27 00:45:29 -07:00
test
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
threading
Require deinit function for memory.deinit() (#22923)
2025-09-26 13:47:24 -07:00
valkey
fix(Bun.RedisClient) keep it alive when connecting (#23195)
2025-10-02 18:50:05 -07:00
vm
Add support for node:vm.SyntheticModule (#19878)
2025-06-04 19:41:26 -07:00
watcher
Rename disabled parameter in Output.scoped (#21769)
2025-08-11 20:19:34 -07:00
.clang-format
…
allocators.zig
Require deinit function for memory.deinit() (#22923)
2025-09-26 13:47:24 -07:00
analytics.zig
implement pnpm migration (#22262)
2025-09-27 00:45:29 -07:00
asan-config.c
Fix Linux ASan debug builds (#19657)
2025-05-14 18:42:42 -07:00
asan.zig
Add asan checks to HiveArray (#21449)
2025-07-29 19:35:46 -07:00
ast.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
bake.bind.ts
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
bake.zig
ssg 3 (#22138)
2025-09-30 05:26:32 -07:00
bits.zig
remove all usingnamespace in css (#19067)
2025-04-17 14:17:08 -07:00
boringssl.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
brotli.zig
fix: handle empty chunked gzip responses correctly (#22360)
2025-09-03 18:57:39 -07:00
btjs.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
bun.exe.manifest
Enable Windows long path support (#21244)
2025-07-20 23:04:17 -07:00
bun.ico
…
bun.js.zig
ssg 3 (#22138)
2025-09-30 05:26:32 -07:00
bun.zig
fix: Ordering Semantics (#23144)
2025-09-30 16:13:23 -07:00
bunfig.zig
feat: add concurrent-test-glob option to bunfig.toml for selective concurrent test execution (#22898)
2025-09-23 23:01:15 -07:00
c-headers-for-zig.h
node:zlib: add zstd (#20313)
2025-06-12 14:20:28 -07:00
cache.zig
zig: remove bun.fs_allocator alias (#22782)
2025-09-18 19:37:24 -07:00
ci_info.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
cli.zig
Add 'bun why' to help menu (#23197)
2025-10-02 18:43:10 -07:00
collections.zig
Add generic-allocator ArrayList (#22917)
2025-09-26 15:19:45 -07:00
compile_target.zig
fix: handle empty chunked gzip responses correctly (#22360)
2025-09-03 18:57:39 -07:00
comptime_string_map.zig
Delete incorrect assertion in ComptimeStringMap (#21504)
2025-07-31 00:56:50 -07:00
copy_file.zig
Rename disabled parameter in Output.scoped (#21769)
2025-08-11 20:19:34 -07:00
crash_handler.zig
Fix stack traces in crash handler (#22414)
2025-09-04 18:14:47 -07:00
csrf.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
darwin.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
defines-table.zig
fix(build): Promise.all() async module dependencies (#22704)
2025-09-26 22:21:00 -07:00
defines.zig
ci: instrument being able to run leaksanitizer (#21142)
2025-09-19 02:06:02 -07:00
dir.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
dns.zig
[publish images] ci: ensure tests that require docker have it available (#22781)
2025-09-25 19:03:22 -07:00
env_loader.zig
Fix env loader buffer overflow by using stack fallback allocator (#21416)
2025-07-28 00:13:17 -07:00
env.zig
Dev server refactoring, part 1 (mainly IncrementalGraph) (#22010)
2025-08-22 23:04:58 -07:00
fallback-backend.html
Fix formatters not running in CI + delete unnecessary files (#19433)
2025-05-08 23:22:16 -07:00
fallback.html
Fix formatters not running in CI + delete unnecessary files (#19433)
2025-05-08 23:22:16 -07:00
fallback.ts
…
favicon.png
…
fd.zig
Fix pipeline stack errors on Windows (#21800)
2025-08-14 18:03:26 -07:00
feature_flags.zig
Unskip some tests (#22116)
2025-08-27 06:39:11 -07:00
fixtures_example.com.html
Fix formatters not running in CI + delete unnecessary files (#19433)
2025-05-08 23:22:16 -07:00
fmt.bind.ts
…
fmt.zig
feat(MYSQL) Bun.SQL mysql support (#21968)
2025-08-21 15:28:15 -07:00
fs.zig
ci: instrument being able to run leaksanitizer (#21142)
2025-09-19 02:06:02 -07:00
generated_perf_trace_events.zig
Add Bun.YAML.parse and YAML imports (#22073)
2025-08-23 06:55:30 -07:00
glob.zig
Revert "add support for "workspaces.nohoist" and "workspaces.hoistingLimits" (#20124)"
2025-06-03 23:51:03 -07:00
Global.zig
lsan: fix reporting on linux ci (#22806)
2025-09-24 00:47:52 -07:00
handle_oom.zig
Passthrough anyerror when using handleOom (#23176)
2025-10-02 14:11:29 -07:00
heap_breakdown.zig
disable heap_breakdown when asan is enabled
2025-09-19 02:38:38 -07:00
highway.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
hmac.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
HTMLScanner.zig
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
http.zig
Fix aborting fetch() calls while the socket is connecting. Fix a thread-safety issue involving redirects and AbortSignal. (#22842)
2025-09-25 16:08:06 -07:00
identity_context.zig
implement "nodeLinker": "isolated" in bun install (#20440)
2025-07-09 00:19:57 -07:00
import_record.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
ini.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
interchange.zig
Add Bun.YAML.parse and YAML imports (#22073)
2025-08-23 06:55:30 -07:00
js_lexer_tables.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
js_lexer.zig
Make the error better when you do console.log(\" (#22787)
2025-09-20 00:29:15 -07:00
js_parser.zig
Require deinit function for memory.deinit() (#22923)
2025-09-26 13:47:24 -07:00
js_printer.zig
ssg 3 (#22138)
2025-09-30 05:26:32 -07:00
jsc_stub.zig
…
linear_fifo.zig
Fix linear_fifo (#22590)
2025-09-11 23:29:53 -07:00
linker.lds
…
linker.zig
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
linux.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
logger.zig
fix logger.zig from negative value error (#21876)
2025-08-14 21:12:22 -07:00
logo.svg
…
macho.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
main_test.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
main_wasm.zig
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
main.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
memory.zig
Fix memory.deinit; handle more types (#23032)
2025-09-30 16:14:55 -07:00
meta.zig
Static allocator polymorphism (#22227)
2025-09-03 15:40:44 -07:00
node_fallbacks.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
open.zig
Fix Windows shell crash with && operator and external commands (#22651)
2025-09-14 04:14:48 -07:00
options.zig
refactor: move jsxSideEffects from tsconfig to jsx build config (#22665)
2025-09-20 05:50:30 -07:00
output.zig
fix: scanner on update, install, remove, uninstall and add, and introduce the pm scan command (#22193)
2025-09-09 21:42:01 -07:00
OutputFile.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
patch.zig
patch: make Header struct use one-based line indexing by default (#21995)
2025-09-12 23:59:24 -07:00
paths.zig
fix(pnpm migration): correctly resolve link: dependencies on the root package (#23111)
2025-09-30 00:10:15 -07:00
pe.zig
feat(windows): implement authenticode stripping for --compile (#22960)
2025-09-25 18:03:27 -07:00
perf.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
pool.zig
Refactor BabyList (#22502)
2025-09-09 20:41:10 -07:00
Progress.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
ptr.zig
Add ExternalShared and RawRefCount (#23013)
2025-09-26 15:15:58 -07:00
renamer.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
result.zig
…
router.zig
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
runtime.bun.js
…
runtime.js
fix(build): Promise.all() async module dependencies (#22704)
2025-09-26 22:21:00 -07:00
runtime.zig
fix(build): Promise.all() async module dependencies (#22704)
2025-09-26 22:21:00 -07:00
safety.zig
Static allocator polymorphism (#22227)
2025-09-03 15:40:44 -07:00
semver.zig
fix(install): change semver core numbers to u64 (#22889)
2025-09-22 19:28:26 -07:00
sha.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
StandaloneModuleGraph.zig
Make bun.webcore.Blob smaller and ref-counted (#23015)
2025-09-26 17:18:30 -07:00
StaticHashMap.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
string.zig
Implement Bun.YAML.stringify (#22183)
2025-08-31 18:27:51 -07:00
symbols.def
Implement more v8::Array::New overloads, v8::Object::{Get,Set}, v8::Value::StrictEquals, v8::Array::Iterate (#20737)
2025-07-13 04:27:43 -07:00
symbols.dyn
Implement more v8::Array::New overloads, v8::Object::{Get,Set}, v8::Value::StrictEquals, v8::Array::Iterate (#20737)
2025-07-13 04:27:43 -07:00
symbols.txt
Implement more v8::Array::New overloads, v8::Object::{Get,Set}, v8::Value::StrictEquals, v8::Array::Iterate (#20737)
2025-07-13 04:27:43 -07:00
sys_uv.zig
Remove stale path assertion on Windows (#22988)
2025-09-25 22:34:49 -07:00
sys.zig
Remove stale path assertion on Windows (#22988)
2025-09-25 22:34:49 -07:00
system_timer.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
threading.zig
Static allocator polymorphism (#22227)
2025-09-03 15:40:44 -07:00
tmp.zig
zig: delete deprecated bun.jsc.Maybe (#21327)
2025-07-25 12:38:06 -07:00
tracy.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
trait.zig
…
transpiler.zig
ci: instrument being able to run leaksanitizer (#21142)
2025-09-19 02:06:02 -07:00
tsconfig.json
Fix formatters not running in CI + delete unnecessary files (#19433)
2025-05-08 23:22:16 -07:00
unit_test.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
url.zig
Rename disabled parameter in Output.scoped (#21769)
2025-08-11 20:19:34 -07:00
util.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
walker_skippable.zig
fix(install): isolated install with file dependency resolving to root package (#23204)
2025-10-03 02:38:55 -07:00
Watcher.zig
Replace catch bun.outOfMemory() with safer alternatives (#22141)
2025-08-26 12:50:25 -07:00
which_npm_client.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
which.zig
Rename disabled parameter in Output.scoped (#21769)
2025-08-11 20:19:34 -07:00
windows-app-info.rc
Enable Windows long path support (#21244)
2025-07-20 23:04:17 -07:00
windows.zig
Add Bun.YAML.parse and YAML imports (#22073)
2025-08-23 06:55:30 -07:00
work_pool.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
workaround_missing_symbols.zig
Refactor Zig imports and file structure (part 1) (#21270)
2025-07-22 17:51:38 -07:00
wyhash.zig
Sort imports in all files (#21119)
2025-07-21 13:26:47 -07:00
zlib.test.gz
…
zlib.test.txt
…
zlib.zig
fix: handle empty chunked gzip responses correctly (#22360)
2025-09-03 18:57:39 -07:00