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kernel: use sys_enter tracepoint for sucompat (#533)

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* use sys_enter tracepoint for sucompat

* update sucompat rules

* clean tif mark

* mark tif after load allow list

* clear all tif first, then mark target

* Fix shell su

* allow when escape

* fix bugs

* kernel: Resolve logical inconsistencies

---------

Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: weishu <twsxtd@gmail.com>
This commit is contained in:
ShirkNeko
2025-11-06 12:45:37 +08:00
committed by GitHub
parent 0ce7bc2627
commit 5323a500dd
17 changed files with 204 additions and 277 deletions
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30
kernel/allowlist.c
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@@ -92,10 +92,7 @@ static uint8_t allow_list_bitmap[PAGE_SIZE] __read_mostly __aligned(PAGE_SIZE);
#define KERNEL_SU_ALLOWLIST "/data/adb/ksu/.allowlist"
static struct work_struct ksu_save_work;
static struct work_struct ksu_load_work;
static bool persistent_allow_list(void);
void save_allow_list(void);
void ksu_show_allow_list(void)
{
@@ -255,7 +252,7 @@ out:
}
if (persist)
persistent_allow_list();
save_allow_list();
return result;
}
@@ -351,7 +348,8 @@ bool ksu_get_allow_list(int *array, int *length, bool allow)
return true;
}
static void do_save_allow_list(struct work_struct *work)
// make sure allow list works cross boot
void save_allow_list(void)
{
u32 magic = FILE_MAGIC;
u32 version = FILE_FORMAT_VERSION;
@@ -393,7 +391,7 @@ exit:
filp_close(fp, 0);
}
static void do_load_allow_list(struct work_struct *work)
void ksu_load_allow_list()
{
loff_t off = 0;
ssize_t ret = 0;
@@ -478,21 +476,10 @@ void ksu_prune_allowlist(bool (*is_uid_valid)(uid_t, char *, void *), void *data
mutex_unlock(&allowlist_mutex);
if (modified) {
persistent_allow_list();
save_allow_list();
}
}
// make sure allow list works cross boot
static bool persistent_allow_list(void)
{
return ksu_queue_work(&ksu_save_work);
}
bool ksu_load_allow_list(void)
{
return ksu_queue_work(&ksu_load_work);
}
void ksu_allowlist_init(void)
{
int i;
@@ -505,9 +492,6 @@ void ksu_allowlist_init(void)
INIT_LIST_HEAD(&allow_list);
INIT_WORK(&ksu_save_work, do_save_allow_list);
INIT_WORK(&ksu_load_work, do_load_allow_list);
init_default_profiles();
}
@@ -516,7 +500,7 @@ void ksu_allowlist_exit(void)
struct perm_data *np = NULL;
struct perm_data *n = NULL;
do_save_allow_list(NULL);
save_allow_list();
// free allowlist
mutex_lock(&allowlist_mutex);