[TC 11.57 64-bit] AV error when starting an internal association starting an em_command calling itself

[white]

I had created an internal association calling an em_ command.

I was working too fast while changing the em_ command, and I was fooled by the Down key opening the Command Browser when editing the command field. And I ended up with the command calling itself. So had a command like em_test that executed the command em_test. When calling it via the context menu, an AV error occurred:

---------------------------
Total Commander 11.57
---------------------------
Unknown Run-Time error : 202.
Unknown Run-Time error : 202
Windows 11 Professional 10.0 (Build 26200), base: 0400000

Please report this error to the Author, with a description
of what you were doing when this error occurred!

Stack trace (x64):486D82
846FDB 845CD6 851A33 84C557 845CD6 851A33 84C557 845CD6
851A33 84C557 845CD6 851A33 84C557 845CD6 851A33 84C557

Press Ctrl+C to copy this report!
Continue execution?
---------------------------
Ja Nee
---------------------------

I found this in HISTORY.TXT:

02.09.16 Fixed: em_commands can now contain other em_commands also as the first command - added better detection of recursion where a command would call itself (32/64)

But it seems that a detection of an em_command that only has a command calling itself wasn't implemented.

[ghisler(Author)]

I cannot reproduce the access violation. However, I can reproduce that Total Commander hangs in an endless loop when I define a recursive command like this:

[em_recurse]
cmd=em_recurse

I didn't expect anyone to do that. I will add more recurse detection. Here it works:

[em_recurse]
cmd=em_recurse,cm_SrcByName

[white]

I cannot reproduce the access violation.

Did you try with 64-bit TC?

I didn't expect anyone to do that.

I did not expect me to do it either. As I said, I made a mistake when working fast and was fooled by the undocumented function of the Down key when editing the command field.

[white]

10.05.26 Fixed: Prevent recursion when an em_command calls itself, e.g. usercmd.ini [em_recurse] cmd=em_recurse (32/64)

Tested OK with TC 11.57a pre1 32-bit and 64bit.

[ghisler(Author)]

Please re-check with Total Commander 11.57a RC1!

[white]

Tested OK using TC 11.57a rc1 32-bit and 64bit.

Moderator message from: white » 2026-05-20, 12:25 UTC

Moved topic
» from TC11.x bug reports (English) to TC Fixed bugs