So this? Thanks, David --- commit b5bb759d5e7f99c357b82b8066a9106b817de965 Author: David Howells <dhowe...@redhat.com> Date: Wed Nov 8 16:14:12 2017 +0000
Lock down kprobes Disallow the creation of kprobes when the kernel is locked down by preventing their registration. Signed-off-by: David Howells <dhowe...@redhat.com> diff --git a/kernel/kprobes.c b/kernel/kprobes.c index a1606a4224e1..f06023b0936c 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -1530,6 +1530,9 @@ int register_kprobe(struct kprobe *p) struct module *probed_mod; kprobe_opcode_t *addr; + if (kernel_is_locked_down("Use of kprobes")) + return -EPERM; + /* Adjust probe address from symbol */ addr = kprobe_addr(p); if (IS_ERR(addr))