On Tue, Dec 21, 2021 at 11:54:09AM -0500, Eliyam Levy wrote: > Hi, > > I'm on Ubuntu 20.04 with kernel version 5.11 and I keep hitting the > "Module has invalid ELF structures" error on a kernel module I'm > building. I know this is related to the "harden ELF info handling" > patch that was introduced. Are there any useful ways to debug this? Is > there anything I should be mindful of when building the kernel module > to avoid this? Look for the already merged patch, "module: change to print useful messages from elf_validity_check()". $ git describe --contains 7fd982f394c42f25a73fe9dfbf1e6b11fa26b40a v5.16-rc1~95^2 Luis