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kernel: Fix task flag marking for root and shell UID

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Signed-off-by: Wang Han <416810799@qq.com>
Co-authored-by: 5ec1cff <56485584+5ec1cff@users.noreply.github.com>
This commit is contained in:
Wang Han
2025-11-11 16:24:55 +08:00
committed by ShirkNeko
parent a7f840d811
commit ded31c2043
3 changed files with 17 additions and 21 deletions
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21
kernel/setuid_hook.c
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@@ -43,10 +43,6 @@
#include "kernel_umount.h"
#include "app_profile.h"
#define PER_USER_RANGE 100000
#define FIRST_APPLICATION_UID 10000
#define LAST_APPLICATION_UID 19999
static bool ksu_enhanced_security_enabled = false;
static int enhanced_security_feature_get(u64 *value)
@@ -79,12 +75,6 @@ static inline bool is_allow_su()
return ksu_is_allow_uid_for_current(current_uid().val);
}
static inline bool is_appuid(uid_t uid)
{
uid_t appid = uid % PER_USER_RANGE;
return appid >= FIRST_APPLICATION_UID && appid <= LAST_APPLICATION_UID;
}
int ksu_handle_setresuid(uid_t ruid, uid_t euid, uid_t suid)
{
uid_t new_uid = ruid;
@@ -116,17 +106,6 @@ int ksu_handle_setresuid(uid_t ruid, uid_t euid, uid_t suid)
return 0;
}
if (new_uid == 2000) {
ksu_set_task_tracepoint_flag(current);
}
// FIXME: isolated process which directly forks from zygote is not handled
if (!is_appuid(new_uid)) {
pr_info("handle setresuid ignore non application or isolated uid: %d\n", new_uid);
ksu_clear_task_tracepoint_flag(current);
return 0;
}
// if on private space, see if its possibly the manager
if (new_uid > PER_USER_RANGE && new_uid % PER_USER_RANGE == ksu_get_manager_uid()) {
ksu_set_manager_uid(new_uid);