Hi,
we found a bug in ksh. It uses only short size int for curenv (current
subshell number) and once it overflows, it crashes.
Reproducer:
===============================================
#!/bin/ksh
main()
{
typeset i=0;
typeset b="";
(while true
do
(b=$(printf %08d ${i}));
(( i = ${i} + 1 ))
echo $i;
done)
echo "count : ${i}";
}
main "$@";
===============================================
./test.sh
...
...
32765
32766
32767
Segmentation fault
Tested with ksh 2012-08-01. Let me know if you need more information.
Michal
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