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fix

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This commit is contained in:
ShirkNeko
2025-11-03 12:56:10 +08:00
parent 696a2a5dc3
commit 1e122b2469
1 changed files with 44 additions and 7 deletions
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51
kernel/core_hook.c
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@@ -1006,6 +1006,41 @@ void susfs_try_umount_all(uid_t uid) {
}
#endif
#ifdef CONFIG_KSU_SUSFS_TRY_UMOUNT
static void do_umount_work(struct work_struct *work)
{
struct ksu_umount_work *umount_work = container_of(work, struct ksu_umount_work, work);
struct mnt_namespace *old_mnt_ns = current->nsproxy->mnt_ns;
current->nsproxy->mnt_ns = umount_work->mnt_ns;
uid_t uid = current_uid().val;
try_umount("/odm", true, 0, uid);
try_umount("/system", true, 0, uid);
try_umount("/vendor", true, 0, uid);
try_umount("/product", true, 0, uid);
try_umount("/system_ext", true, 0, uid);
try_umount("/data/adb/modules", false, MNT_DETACH, uid);
try_umount("/data/adb/kpm", false, MNT_DETACH, uid);
// try umount ksu temp path
try_umount("/debug_ramdisk", false, MNT_DETACH, uid);
try_umount("/sbin", false, MNT_DETACH, uid);
// try umount lsposed dex2oat bins
try_umount("/system/etc/hosts", false, MNT_DETACH, uid);
// try umount lsposed dex2oat bins
try_umount("/apex/com.android.art/bin/dex2oat64", false, MNT_DETACH, uid);
try_umount("/apex/com.android.art/bin/dex2oat32", false, MNT_DETACH, uid);
// fixme: dec refcount
current->nsproxy->mnt_ns = old_mnt_ns;
kfree(umount_work);
}
#else
static void do_umount_work(struct work_struct *work)
{
struct ksu_umount_work *umount_work = container_of(work, struct ksu_umount_work, work);
@@ -1019,23 +1054,22 @@ static void do_umount_work(struct work_struct *work)
try_umount("/product", true, 0);
try_umount("/system_ext", true, 0);
try_umount("/data/adb/modules", false, MNT_DETACH);
try_umount("/data/adb/kpm", false, MNT_DETACH, uid);
try_umount("/data/adb/kpm", false, MNT_DETACH);
// try umount ksu temp path
try_umount("/debug_ramdisk", false, MNT_DETACH);
try_umount("/sbin", false, MNT_DETACH, uid);
try_umount("/system/etc/hosts", false, MNT_DETACH, uid);
try_umount("/sbin", false, MNT_DETACH);
try_umount("/system/etc/hosts", false, MNT_DETACH);
// try umount lsposed dex2oat bins
try_umount("/apex/com.android.art/bin/dex2oat64", false, MNT_DETACH, uid);
try_umount("/apex/com.android.art/bin/dex2oat32", false, MNT_DETACH, uid);
try_umount("/apex/com.android.art/bin/dex2oat64", false, MNT_DETACH);
try_umount("/apex/com.android.art/bin/dex2oat32", false, MNT_DETACH);
// fixme: dec refcount
current->nsproxy->mnt_ns = old_mnt_ns;
kfree(umount_work);
}
#endif
#ifdef CONFIG_KSU_SUSFS
int ksu_handle_setuid(struct cred *new, const struct cred *old)
@@ -1561,6 +1595,9 @@ __maybe_unused int ksu_kprobe_exit(void)
void __init ksu_core_init(void)
{
if (ksu_register_feature_handler(&kernel_umount_handler)) {
pr_err("Failed to register kernel_umount feature handler\n");
}
ksu_workqueue = alloc_workqueue("ksu_umount", WQ_UNBOUND, 0);
if (!ksu_workqueue) {
pr_err("Failed to create ksu workqueue\n");