fix build

kernel/app_profile.c

@@ -66,7 +66,7 @@ static void setup_groups(struct root_profile *profile, struct cred *cred)
     put_group_info(group_info);
 }
 
-static void disable_seccomp()
+void disable_seccomp(void)
 {
     assert_spin_locked(&current->sighand->siglock);
     // disable seccomp

kernel/app_profile.h

@@ -65,4 +65,6 @@ void escape_with_root_profile(void);
 
 void escape_to_root_for_cmd_su(uid_t target_uid, pid_t target_pid);
 
+void disable_seccomp(void);
+
 #endif

kernel/setuid_hook.c

@@ -56,6 +56,7 @@
 #include "supercalls.h"
 #include "syscall_hook_manager.h"
 #include "kernel_umount.h"
+#include "app_profile.h"
 
 #include "sulog.h"
 
@@ -194,13 +195,6 @@ int ksu_handle_setresuid(uid_t ruid, uid_t euid, uid_t suid)
     return 0;
 }
 
-static int ksu_task_prctl(int option, unsigned long arg2, unsigned long arg3,
-              unsigned long arg4, unsigned long arg5)
-{
-    ksu_handle_prctl(option, arg2, arg3, arg4, arg5);
-    return -ENOSYS;
-}
-
 // kernel 4.4 and 4.9
 #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) ||    \
     defined(CONFIG_IS_HW_HISI) ||    \
@@ -223,7 +217,6 @@ static int ksu_key_permission(key_ref_t key_ref, const struct cred *cred,
 
 #ifndef MODULE
 static struct security_hook_list ksu_hooks[] = {
-    LSM_HOOK_INIT(task_prctl, ksu_task_prctl),
 #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) || \
     defined(CONFIG_IS_HW_HISI) || defined(CONFIG_KSU_ALLOWLIST_WORKAROUND)
     LSM_HOOK_INIT(key_permission, ksu_key_permission)

kernel/syscall_hook_manager.c

@@ -399,7 +399,7 @@ void ksu_syscall_hook_manager_init(void)
 #ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS
 	ret = register_trace_sys_enter(ksu_sys_enter_handler, NULL);
 #ifndef CONFIG_KRETPROBES
-	unmark_all_process();
+	ksu_unmark_all_process();
 	ksu_mark_running_process();
 #endif
 	if (ret) {