In this case, it seems the ioctl call will do the null termination & in fact, the kernel itself uses strcpy for that field (presumably OK since the device struc

In this case, it seems the ioctl call will do the null termination & in fact, the kernel itself uses strcpy for that field (presumably OK since the device structure has a null terminated name): https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/net/tun.c?id=refs/tags/v4.5-rc6 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux....