URL: <https://savannah.gnu.org/bugs/?66142>
Summary: Buffer overflow when using "-X stuff" in
previously-working script
Group: GNU Screen
Submitter: None
Submitted: Thu 29 Aug 2024 05:22:47 PM UTC
Category: Crash/Freeze/Infloop
Severity: 3 - Normal
Priority: 5 - Normal
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Release: 5.0.0
Fixed Release: None
Planned Release: None
Work Required: None
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Follow-up Comments:
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Date: Thu 29 Aug 2024 05:22:47 PM UTC By: Anonymous
I have a script using screen which previously was working, but after upgrade
to 5.0.0, now causes a buffer overflow.
The command sequence is as follows:
> screen -dmS dash
screen -S dash -X stuff "cd ~/Code/go/src/github.com/albeec13/dashhandler/
go run *.go
"
This was previously working, but now results in this output:
>*** buffer overflow detected ***: terminated
Aborted (core dumped)
As a test, I reduced the string further, and found that even this crashes:
>screen -S dash -X stuff "ls"
*** buffer overflow detected ***: terminated
Aborted (core dumped)
This is on an up-to-date Arch linux system running the latest screen package
from upstream 5.0.0.
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