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Cannot open files that contains zero width chars #251527

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@Mingyueyixi

Description

@Mingyueyixi

Type: Bug

vscode can't open file when file's name contains zero width chars.
env:
windows 10
python3.12.1

Setp1
create a fold which name testDemo.
mkdir testDemo

Setp2
run this python3 script to create a c.txt file:

# encoding: utf-8

from pathlib import Path

if __name__ == "__main__":
    Path("\ufeffc.txt").write_text("this is test file", encoding="utf-8")

Setp3
open testDemo fold by vscode

Setp4
click c.txt file on vscde , then vscode will show a error dialog like :
img

VS Code version: Code 1.101.0 (dfaf441, 2025-06-11T15:00:50.123Z)
OS version: Windows_NT x64 10.0.19045
Modes:

System Info
Item Value
CPUs Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz (12 x 2592)
GPU Status 2d_canvas: enabled
canvas_oop_rasterization: enabled_on
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: disabled_off
video_decode: enabled
video_encode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: enabled
webnn: disabled_off
Load (avg) undefined
Memory (System) 31.78GB (16.82GB free)
Process Argv testDemo --crash-reporter-id 692a477b-bf45-428a-b0f6-405ec06a6b86
Screen Reader no
VM 29%
Extensions (48)
Extension Author (truncated) Version
tongyi-lingma Ali 2.5.12
vscode-django bat 1.15.0
better-json5 Blu 1.4.0
dart-code Dar 3.112.0
flutter Dar 3.112.0
vscode-eslint dba 3.0.10
githistory don 0.6.20
python-extension-pack don 1.7.0
vscode-html-css ecm 2.0.13
vscode-firefox-debug fir 2.15.0
Fitten-Code Fit 0.10.148
code-runner for 0.12.2
vscode-sshfs Kel 1.26.1
rainbow-csv mec 3.19.0
git-graph mhu 1.30.0
vscode-language-pack-zh-hans MS- 1.101.2025061109
vscode-edge-devtools ms- 2.1.9
playwright ms- 1.1.15
black-formatter ms- 2025.2.0
debugpy ms- 2025.8.0
isort ms- 2025.0.0
python ms- 2025.6.1
vscode-pylance ms- 2025.6.1
jupyter ms- 2025.5.0
jupyter-keymap ms- 1.1.2
jupyter-renderers ms- 1.1.0
vscode-jupyter-cell-tags ms- 0.1.9
vscode-jupyter-powertoys ms- 0.1.1
remote-containers ms- 0.417.0
remote-ssh ms- 0.120.0
remote-ssh-edit ms- 0.87.0
remote-wsl ms- 0.99.0
vscode-remote-extensionpack ms- 0.26.0
cmake-tools ms- 1.20.53
cpptools ms- 1.25.3
cpptools-extension-pack ms- 1.3.1
hexeditor ms- 1.11.1
live-server ms- 0.4.15
makefile-tools ms- 0.12.17
powershell ms- 2025.0.0
remote-explorer ms- 0.5.0
remote-server ms- 1.5.2
vsliveshare ms- 1.0.5948
material-icon-theme PKi 5.23.0
LiveServer rit 5.7.9
coding-copilot Ten 3.1.20
JavaScriptSnippets xab 1.8.0
markdown-pdf yza 1.5.0

(1 theme extensions excluded)

A/B Experiments
vsliv368cf:30146710
vspor879:30202332
vspor708:30202333
vspor363:30204092
vscod805:30301674
binariesv615:30325510
c4g48928:30535728
azure-dev_surveyone:30548225
962ge761:30959799
2e7ec940:31000449
pythontbext0:30879054
cppperfnew:31000557
dwnewjupyter:31046869
pythonrstrctxt:31112756
nativeloc2:31192216
5fd0e150:31155592
dwcopilot:31170013
bajee813:31263137
6074i472:31201624
dwoutputs:31242946
customenabled:31248079
9064b325:31222308
copilot_t_ci:31222730
e5gg6876:31282496
pythoneinst12:31285622
bgtreat:31268568
4gafe986:31271826
c7cif404:31314491
pythonpulldiag:31325930
996jf627:31283433
pythonrdcb7:31303018
usemplatestapi:31297334
0aa6g176:31307128
7bj51361:31289155
747dc170:31275177
aj953862:31281341
generatesymbolt:31295002
convertfstringf:31295003
gendocf:31295004
he899328:31327032

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