I think I found the cause. There is a symbolic link that points to its parent and hp-doctor goes into a loop expanding the tree.
$ ls -l /usr/include/node/src lrwxrwxrwx 1 root root 1 Mar 27 00:06 /usr/include/node/src -> .
$ qfile /usr/include/node/src net-libs/nodejs: /usr/include/node/src
I think I found the cause. There is a symbolic link that points to its parent and hp-doctor goes into a loop expanding the tree.
$ ls -l /usr/include/ node/src node/src -> .
lrwxrwxrwx 1 root root 1 Mar 27 00:06 /usr/include/
$ qfile /usr/include/ node/src node/src
net-libs/nodejs: /usr/include/