I have no issue with corporate contributions. They have been helpful for several projects, including the Linux Kernel. Though your concerns are valid the GPL V3 is well worded to cover them efficiently.
The main thing is to make sure that said contributors and their legal departments understand the license and how it works. -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
