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Description of problem:
I feel this as deep recursion and while we have a file name more than 13000 bytes


Version-Release number of selected component (if applicable):

RHEL 7.X and RHEL 8.X as well.

How reproducible:


# cat a
XshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshellXshell...Xshell (13202 bytes)

# ksh a
Segmentation fault


Actual results:

Segmentation fault

Expected results:

Fault shall not happen.

Additional info:

This happens on RHEL 8 too so will be opening one as a clone.

This is upstream  commit: https://github.com/ksh93/ksh/commit/6f3b23e6f4d59590a51bfbcc66dc60082728b71d

This is reproducer:
$ perl -e 'print "a"x100000' > test.sh
$ ksh test.sh

I've created patch based on 6f3b23e6f4d commit and it works!

Development Management has reviewed and declined this request. You may appeal this decision by reopening this request.