patchGNU nano - Patches: patch #9652, pressing NumLock in Putty: Error...

 
 

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patch #9652: pressing NumLock in Putty: Error in `nano': double free or corruption (!prev): 0x01f2f928

Submitter:  <qwertial>
Submitted:  Sat 09 Jun 2018 04:34:05 PM UTC
   
 
Priority:  5 - Normal Status:  Need Info
Privacy:  Public Assigned to:  None
Open/Closed:  Closed Release:  None

Tue 31 Jul 2018 07:41:05 PM UTC, comment #3: 

Hello,

I am sorry for posting the wrong category. I clicked the wrong menu button, and the web interface looked very equal.

Anyway, I just wanted to let you know the result of my test.
I can confirm that the bug exists in nano 2.7.4 (stable) for ARM and x64 Linux distributions.

With 2.9.8 the bug is gone! :-) Thank you for your help.

<qwertial>
Mon 23 Jul 2018 06:16:03 PM UTC, comment #2: 

Closing -- for a lack of response, and because this is the wrong place.

Benno Schulenberg <bens>
Group administrator
Sat 07 Jul 2018 06:12:20 PM UTC, comment #1: 

Thanks for the report.  And sorry for the late reply: I was on vacation.

Can you compile nano from source on your Pi 3?  If you can, please configure && make the latest version (2.9.8) and see if the problem also occurs with that version.

If it does, then please reconfigure nano with --enable-debug and recompile.  Then run that new nano with the error stream redirected to a file.  For example nano 2>TRAIL.  Then press the NumLock key repeatedly (while ssh'ed in via Putty), then press ^X (which would crash or exit) and paste the result of:

  grep "hex codes" TRAIL

(I cannot reproduce because I don't know how to use Putty, plus I do not have a NumLock key.)

If you can reproduce the problem with the latest version, please rereport your problem in the Bugs section (https://savannah.gnu.org/bugs/?group=nano) and post your findings there.  The Patches section is meant for... patches.

Benno Schulenberg <bens>
Group administrator
Sat 09 Jun 2018 04:34:05 PM UTC, original submission:  

I am running following version of nano:

 GNU nano, Version 2.7.4
 (C) 1999..2016 Free Software Foundation, Inc.
 (C) 2014..2016 Die Nano-Mitwirkenden
 E-Mail: nano@nano-editor.org   Web: https://nano-editor.org/
 Kompilierte Optionen: --disable-libmagic --disable-wrapping-as-root --enable-utf8

My system is a Raspberry Pi 3

Linux ras3 4.14.44-v7+ #1117 SMP Thu May 31 16:57:56 BST 2018 armv7l GNU/Linux


When I am connected via Putty, and press the NumLock key inside nano, I get redirected to a help page.

When I press Ctrl+X to exit the help, page, nano crashes and outputs

Error in `nano': double free or corruption (!prev): 0x01f2f928


<qwertial>

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-07-23 bens Open/ClosedOpen Closed
        SummaryPressing numlock in Putty: Error in `nano': double free or corruption (!prev): 0x01f2f928 pressing NumLock in Putty: Error in `nano': double free or corruption (!prev): 0x01f2f928
    2018-07-07 bens StatusNone Need Info

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