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BUG - ConhostConnection post 0da13cdf2d causes app to crash #3250

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opened 2026-01-30 23:16:54 +00:00 by claunia · 0 comments
claunia commented 2026-01-30 23:16:54 +00:00
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Originally created by @Jewsh-S on GitHub (Aug 7, 2019).

Environment

Version: 1903
OS BUILD: 18362.10006 (Microsoft Windows [Version 10.0.18362.10006])

Windows Terminal version (if applicable):

Any other software?


# Steps to reproduce

Build code from 42c1e58966b50c72039808b09b663b74180519ce and the build completes, but when I start the app, I get failures and app just instantly closes out.
If I restore the file (src/cascadia/TerminalConnection/ConhostConnection.cpp) from 0da13cdf2d5ba2081f12f85f6816546489d4918b to any newer code then build succeeds and the app starts normally
# Expected behavior
I expect the newer version of src/cascadia/TerminalConnection/ConhostConnection.cpp to not cause the app to crash on startup

<!-- A description of what you're expecting, possibly containing screenshots or reference material. -->
I start the app with newest code and app crashes.  But when I restore the file of src/cascadia/TerminalConnection/ConhostConnection.cpp to pre 42c1e58966b50c72039808b09b663b74180519ce version, everything works fine.

# Actual behavior

The app crashes when I use the latest code of src/cascadia/TerminalConnection/ConhostConnection.cpp
Originally created by @Jewsh-S on GitHub (Aug 7, 2019). <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 I ACKNOWLEDGE THE FOLLOWING BEFORE PROCEEDING: 1. If I delete this entire template and go my own path, the core team may close my issue without further explanation or engagement. 2. If I list multiple bugs/concerns in this one issue, the core team may close my issue without further explanation or engagement. 3. If I write an issue that has many duplicates, the core team may close my issue without further explanation or engagement (and without necessarily spending time to find the exact duplicate ID number). 4. If I leave the title incomplete when filing the issue, the core team may close my issue without further explanation or engagement. 5. If I file something completely blank in the body, the core team may close my issue without further explanation or engagement. All good? Then proceed! --> <!-- This bug tracker is monitored by Windows Terminal development team and other technical folks. **Important: When reporting BSODs or security issues, DO NOT attach memory dumps, logs, or traces to Github issues**. Instead, send dumps/traces to secure@microsoft.com, referencing this GitHub issue. If this is an application crash, please also provide a Feedback Hub submission link so we can find your diagnostic data on the backend. Use the category "Apps > Windows Terminal (Preview)" and choose "Share My Feedback" after submission to get the link. Please use this form and describe your issue, concisely but precisely, with as much detail as possible. --> # Environment Version: 1903 OS BUILD: 18362.10006 (Microsoft Windows [Version 10.0.18362.10006]) Windows Terminal version (if applicable): Any other software? ``` # Steps to reproduce Build code from 42c1e58966b50c72039808b09b663b74180519ce and the build completes, but when I start the app, I get failures and app just instantly closes out. If I restore the file (src/cascadia/TerminalConnection/ConhostConnection.cpp) from 0da13cdf2d5ba2081f12f85f6816546489d4918b to any newer code then build succeeds and the app starts normally # Expected behavior I expect the newer version of src/cascadia/TerminalConnection/ConhostConnection.cpp to not cause the app to crash on startup <!-- A description of what you're expecting, possibly containing screenshots or reference material. --> I start the app with newest code and app crashes. But when I restore the file of src/cascadia/TerminalConnection/ConhostConnection.cpp to pre 42c1e58966b50c72039808b09b663b74180519ce version, everything works fine. # Actual behavior The app crashes when I use the latest code of src/cascadia/TerminalConnection/ConhostConnection.cpp
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Reference: starred/terminal#3250
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