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Author SHA1 Message Date
ShirkNeko
5ce6c210c4 manager: install: add choose partition support 
manager: fix KsuCli cmd

userspace: reuse choose_boot_device

- manager: simplify find boot image

Co-authored-by: weishu <twsxtd@gmail.com>
Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
 2025-11-11 15:16:11 +08:00
ShirkNeko
8f49898155 kernel: Use task work to install fd 
There are many fd related functions that can sleep, so we have no choice
but move operations to task work. Also close fd when copy_to_user fails.

Co-authored-by: Wang Han <416810799@qq.com>
 2025-11-11 01:10:36 +08:00
ShirkNeko
fd3a22360a kernel: Clean code build 2025-11-09 23:18:48 +08:00
Wang Han
ef36a36e9a kernel: Don't save allowlist on module exit 
This is not needed and may trigger UAF as work is async.
 2025-11-09 23:14:13 +08:00
ShirkNeko
7a1a08064b manager: After flashing anykernel3, release ksud. 2025-11-09 21:26:08 +08:00
AlexLiuDev233
36862d6175 manager: if manager incompatible with current kernel, don't save ksud (#2895) 
I think we should'nt install kernelsu's userspace when manager
incompatible with current kernel
this maybe cause a lot of bug, for example, when user install 2.x
kernelsu manager, but not update
his kernel to 2.x, ksud will return "kernel version 0", because ksud
incompatible with old supercall impl
 2025-11-09 21:14:40 +08:00
ShirkNeko
cda7e4c6c0 Clean up kernel code (#2898) 
1) Fix memory leak of callback head in allowlist.c
2) Remove duplicated logic and incorrect log in kernel_umount.c
3) Prevent sleep in kprobe context in ksud.c
4) Remove useless is_unsupported_uid, use euid for security enhance,
   add FIXME in setuid_hook.c
5) Remove useless fd argument for execve hook, fix incorrent pointer
   usage in syscall_hook_manager.c and sucompat.c
6) Use correct errno in supercalls.c

---------

Co-authored-by: Ylarod <me@ylarod.cn>
 2025-11-09 19:20:30 +08:00
ShirkNeko
0b63cc445c kernel: Expose the ksu_handle_sys_read hook 2025-11-09 18:11:30 +08:00
ShirkNeko
2433ced81a kernel: Rollback disable_seccomp 
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
Co-authored-by: Faris <rissu.ntk@gmail.com>
 2025-11-09 17:00:43 +08:00
ShirkNeko
1f04f13e44 kernel: Remove redundant checks 2025-11-09 16:41:54 +08:00
ShirkNeko
184467c691 kernel: Undo some changes 2025-11-09 16:09:59 +08:00
ShirkNeko
05ed1a3714 fix build 2025-11-09 14:17:27 +08:00
ShirkNeko
163531fcd2 kernel: Simplify state management logic 2025-11-09 14:07:40 +08:00
ShirkNeko
049956aaa9 Fixes only hook in LKM mode __NR_newfstatat ,__NR_faccessat ,__NR_execve system calls 2025-11-09 12:16:23 +08:00
ShirkNeko
6530d06710 kernel: clean build 2025-11-09 04:12:11 +08:00
ShirkNeko
88135d8363 Attempt to refactor and migrate inode_permission, bprm_check_security, and task_alloc entirely to syscall_hook_manager 2025-11-09 02:52:46 +08:00
ShirkNeko
548258f922 kernel: Rewrite the kernel source code (#554) 
* clean unused header

* on_module_mounted in ksud.c

* refact: use app_profile

* unified hook manager

* add zygote to hook target

* move reboot hook to supercall.c

* refactor: kernel_umount setuid_hook

* update mark rules, add init mark tracker

* remove reboot from check_syscall_fastpath

* update setuid_hook, remove uneeded sucompat enable

* log freely

* kernel: Migrate kprobe hook configuration items

* kernel: fix build

* cli: add ksud debug mark

* Fix rustfmt warning

---------

Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: Wang Han <416810799@qq.com>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
 2025-11-09 01:14:26 +08:00
weishu
46b9f5fb4b kernel: fix put_task if alloc failed. 2025-11-08 21:44:04 +08:00
ShirkNeko
413e9ab8a9 kernel: Resolved compatibility issues with su when using manual hooks 2025-11-08 20:52:29 +08:00
ShirkNeko
c3644da85b assets: Bump KPM version to 0.12.1 2025-11-08 20:05:59 +08:00
生于生时 亡于亡刻
7b4b5b431f fix: fix ksud install error (#550) 
Signed-off-by: Tools-app <localhost.hutao@gmail.com>
 2025-11-08 17:31:58 +05:30
ShirkNeko
7479c0b81b kernel: Fix build 2025-11-08 19:54:20 +08:00
ShirkNeko
0381d12be2 kernel: Resolve implicit declaration conflicts 2025-11-08 19:47:03 +08:00
Wang Han
4425c88d5a Fix missing unlock on error path 2025-11-08 19:41:11 +08:00
weishu
7828c5c107 kernel: fix save allowlist 2025-11-08 19:40:16 +08:00
ShirkNeko
76046c84cd kernel: remove unused kernel_compat 
Co-authored-by: weishu <twsxtd@gmail.com>
 2025-11-08 19:39:41 +08:00
weishu
623dd15cbf kernel: Use real_parent to avoid interference from ptrace. 2025-11-08 19:30:55 +08:00
ShirkNeko
ab13ed5c16 kernel: remove unused wrapper for 
Co-authored-by: weishu <twsxtd@gmail.com>
 2025-11-08 19:30:44 +08:00
weishu
e171ca15cb kernel: remove ksu_compat_{open,read,write} because we're in the right context now 
Co-authored-by: weishu <twsxtd@gmail.com>
 2025-11-08 19:28:25 +08:00
ShirkNeko
4fc369a059 kernel: remove workqueue for allowlist 
Co-authored-by: weishu <twsxtd@gmail.com>
 2025-11-08 19:18:20 +08:00
ShirkNeko
18ad2afadb Reworking fdwrapper 
Co-authored-by: 5ec1cff <ewtqyqyewtqyqy@gmail.com>
Co-authored-by: 5ec1cff <56485584+5ec1cff@users.noreply.github.com>
Co-authored-by: Ylarod <me@ylarod.cn>
 2025-11-08 19:03:14 +08:00
ShirkNeko
3badbcd4bc assets: Bump KPM version to 0.13.0 2025-11-08 18:38:53 +08:00
technotic
1b5b235bd9 add include for crc32.h in sulog.h (for dedup_calc_hash) (#548) 
Co-authored-by: technotic <pixie@technotic.us>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
 2025-11-08 18:12:38 +08:00
AlexLiuDev233
fdf5e7104e refactor: kpm: memory management migrate to sukisu side (#539) 
* refactor: kpm: memory management migrate to sukisu side

* fix: build warning in some gki2 device

fix stack frame size warning (maybe) in gki2 device, specialy in ShirkNeko's device

* chore: use pr_info instead of printk

* feat: check the validity of pointers sent from user space
Sometimes, ksud or other root processes might request a kpm ioctl,
but data incorrectly, such as invalid pointer,
which cause the kernel to crash.

If the request is made by ksud at boot time, the situation is even worse,
as it can cause the system to enter the boot loop.

Therefore, I believe we need to check pointer integrity in kernel space to fix this problem.

---------

Co-authored-by: Saksham <typeflu@gmail.com>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
 2025-11-08 18:11:29 +08:00
生于生时 亡于亡刻
ed6b2e0a8e opt: Optimize the kpm && uid_scanner (#549) 
* opt: Optimize the structure of kpm.rs

Signed-off-by: Tools-app <localhost.hutao@gmail.com>

* opt: Optimize the uid_scanner startup logic in userspace && code style

Signed-off-by: Tools-app <localhost.hutao@gmail.com>

* opt: rename kpm's ioctl

Signed-off-by: Tools-app <localhost.hutao@gmail.com>

* opt: rename ksucalls::KsuKpmCmd's arg2..arg5

using
```rust
pub struct KsuKpmCmd {
    pub control_code: u64,
    pub arg1: u64,
    pub arg2: u64,
    pub result_code: u64,
}
```
This makes it easier to distinguish parameters.

Signed-off-by: Tools-app <localhost.hutao@gmail.com>

---------

Signed-off-by: Tools-app <localhost.hutao@gmail.com>
 2025-11-08 13:43:32 +05:30
AlexLiuDev233
704f7cba32 kernel: core_hook: disable seccomp in 5.10.2- for allowed uids (#545) 
* kernel: core_hook: disable seccomp in 5.10.2- for allowed uids

we dont have those new fancy things upstream has
lets just do original thing where we disable seccomp

* Update kernel/core_hook.c

* fmt

---------

Co-authored-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
Co-authored-by: Saksham <saksham.mac@icloud.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
 2025-11-08 12:46:25 +08:00
ShirkNeko
860bdce295 ksud :fmt 2025-11-08 12:41:03 +08:00
生于生时 亡于亡刻
d8a8ef6458 fix: fix self exe path error && opt: Optimize ensure_dir_exists processing (#541) 
* fix: fix self exe path error

* opt: Optimize ensure_dir_exists processing

---------

Signed-off-by: Tools-app <localhost.hutao@gmail.com>
 2025-11-08 12:34:22 +08:00
ShirkNeko
d37a78ea2d fix build & cleanup 2025-11-08 11:48:35 +08:00
Ylarod
6c9bf69718 fix build 2025-11-08 11:37:07 +08:00
Ylarod
776bcc4d5d rename to proxy_file 2025-11-08 11:36:15 +08:00
ShirkNeko
bf5cb885b5 kernel: remove devpts hook 2025-11-08 11:28:23 +08:00
Wang Han
a533a490bd Use force_sig(SIGKILL) to kill process 2025-11-08 01:34:44 +08:00
Shadichy
c6d9f76c7b kernel: Refactor selinux/selinux.c (#2881) 
Signed-off-by: shadichy <shadichy@blisslabs.org>
Co-authored-by: Wang Han <416810799@qq.com>
 2025-11-08 01:34:23 +08:00
Wang Han
66032391af Switch kretprobe to heap (#2880) 
Co-authored-by: Ylarod <me@ylarod.cn>
 2025-11-07 18:39:53 +08:00
Wang Han
da0e16bd26 Replace mutex with spinlock for tracepoint registration (#2882) 2025-11-07 18:37:12 +08:00
ShirkNeko
53d763cdf9 manager: Implement editable and removable mount points for LKM 2025-11-07 15:37:04 +08:00
ShirkNeko
9ebddde0d5 kernel: Avoid calling umount whilst holding a spinlock. 2025-11-07 14:23:58 +08:00
ShirkNeko
03a164ebb7 kernel: By default, MNT_DETACH is used as the value for the mount point. 2025-11-07 13:37:09 +08:00
ShirkNeko
4769065cfc ksud: Implementing editable, removable mount points 2025-11-07 13:15:07 +08:00