csh aborts with segmentation fault in RHEL 4.

Issue

• csh aborts with segmentation fault in a multi-CPU environment.

$ cat test.sh
#!/bin/csh
while(1)
        echo "" | /bin/cat > /dev/null
end

$ ./test.sh & ./test.sh & ./test.sh & ./test.sh & ./test.sh &
[1] 19764
[2] 19765
[3] 19766
[4] 19767
[5] 19768


[5]    Segmentation fault            ./test.sh (core dumped)
[1]    Segmentation fault            ./test.sh (core dumped)
[3]    Segmentation fault            ./test.sh (core dumped)