diff --git a/kernel/core_hook.c b/kernel/core_hook.c index 20b4eb40..ba1d2db4 100644 --- a/kernel/core_hook.c +++ b/kernel/core_hook.c @@ -60,6 +60,10 @@ void escape_to_root(void) cred = (struct cred *)__task_cred(current); + if (cred->euid.val == 0) { + pr_warn("Already root, don't escape!\n"); + return; + } struct root_profile *profile = ksu_get_root_profile(cred->uid.val); cred->uid.val = profile->uid;