kernel: no need to remark process on post-fs-data and boot-completed

- Remark on post-fs-data may unmark zygote unexpectedly, and there is no
necessity to remark on these stages, so simply remove them.

kernel/ksud.c

@@ -23,7 +23,6 @@
 #include "klog.h" // IWYU pragma: keep
 #include "ksud.h"
 #include "selinux/selinux.h"
-#include "syscall_hook_manager.h"
 #include "throne_tracker.h"
 
 bool ksu_module_mounted __read_mostly = false;
@@ -81,8 +80,6 @@ void on_post_fs_data(void)
     done = true;
     pr_info("on_post_fs_data!\n");
     ksu_load_allow_list();
-    pr_info("mark tif for running process\n");
-    ksu_mark_running_process();
     ksu_observer_init();
     // sanity check, this may influence the performance
     stop_input_hook();
@@ -128,9 +125,6 @@ void on_boot_completed(void){
     ksu_boot_completed = true;
     pr_info("on_boot_completed!\n");
     track_throne(true);
-    // remark process, we don't want to mark other init
-    // forked process excepte zygote and adbd
-    ksu_mark_running_process();
 }
 
 #define MAX_ARG_STRINGS 0x7FFFFFFF
@@ -327,7 +321,6 @@ int ksu_handle_execveat_ksud(int *fd, struct filename **filename_ptr,
             task_work_add(init_task, &on_post_fs_data_cb, TWA_RESUME);
         }
         rcu_read_unlock();
-        ksu_set_task_tracepoint_flag(current); // we are zygote!
 
         stop_execve_hook();
     }
@@ -662,6 +655,5 @@ void ksu_ksud_exit()
     // unregister_kprobe(&vfs_read_kp);
     unregister_kprobe(&input_event_kp);
 #endif
-
     is_boot_phase = false;
 }

kernel/syscall_hook_manager.c

@@ -242,7 +242,7 @@ static inline bool check_syscall_fastpath(int nr)
     }
 }
 
-// Unmark init's child that are not zygote or adbd
+// Unmark init's child that are not zygote, adbd or ksud
 int ksu_handle_init_mark_tracker(const char __user **filename_user)
 {
     char path[64];
@@ -253,7 +253,8 @@ int ksu_handle_init_mark_tracker(const char __user **filename_user)
     memset(path, 0, sizeof(path));
     strncpy_from_user_nofault(path, *filename_user, sizeof(path));
 
-    if (likely(strstr(path, "/app_process") == NULL && strstr(path, "/adbd") == NULL)) {
+    if (likely(strstr(path, "/app_process") == NULL && strstr(path, "/adbd") == NULL && strstr(path, "/ksud") == NULL)) {
+		pr_info("hook_manager: unmark %d exec %s", current->pid, path);
         ksu_clear_task_tracepoint_flag_if_needed(current);
     }