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milanf: integrate KernelSU-Next with manual hooks

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This commit is contained in:
Nicholas Andrew 2026-09-18 19:45:36 -04:00
commit f1ae8a8285
10 changed files with 84 additions and 1 deletions
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5
arch/arm64/configs/vendor/ext_config/moto-holi-milanf.config vendored
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@ -91,3 +91,8 @@ CONFIG_BOARD_USES_DOUBLE_TAP_CTRL=y
# Vibrator
CONFIG_LDO_VIBRATOR_MMI=m
# KernelSU-Next
CONFIG_KSU=y
CONFIG_KPROBE_EVENTS=y
CONFIG_KSU_MANUAL_HOOK=y

1
drivers/Kconfig
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@ -244,4 +244,5 @@ source "drivers/mmi_relay/Kconfig"
source "drivers/sensors/Kconfig"
source "drivers/kernelsu/Kconfig"
endmenu

2
drivers/Makefile
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@ -194,3 +194,5 @@ obj-$(CONFIG_MMI_ANNOTATE) += mmi_annotate/
obj-$(CONFIG_MMI_INFO) += mmi_info/
obj-$(CONFIG_MMI_RELAY) += mmi_relay/
obj-$(CONFIG_SENSORS_CLASS) += sensors/
obj-$(CONFIG_KSU) += kernelsu/

13
drivers/input/input.c
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@ -375,10 +375,21 @@ static int input_get_disposition(struct input_dev *dev,
return disposition;
}
#ifdef CONFIG_KSU_MANUAL_HOOK
extern int ksu_handle_input_handle_event(unsigned int *type,
unsigned int *code,
int *value);
#endif
static void input_handle_event(struct input_dev *dev,
unsigned int type, unsigned int code, int value)
{
int disposition = input_get_disposition(dev, type, code, &value);
int disposition;
#ifdef CONFIG_KSU_MANUAL_HOOK
ksu_handle_input_handle_event(&type, &code, &value);
#endif
disposition = input_get_disposition(dev, type, code, &value);
if (disposition != INPUT_IGNORE_EVENT && type != EV_SYN)
add_input_randomness(type, code, value);

1
drivers/kernelsu Symbolic link
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@ -0,0 +1 @@
../KernelSU-Next/kernel

8
fs/exec.c
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@ -1904,11 +1904,19 @@ out_ret:
return retval;
}
#ifdef CONFIG_KSU_MANUAL_HOOK
extern int ksu_handle_execveat(int *fd, struct filename **filename_ptr,
void *argv, void *envp, int *flags);
#endif
static int do_execveat_common(int fd, struct filename *filename,
struct user_arg_ptr argv,
struct user_arg_ptr envp,
int flags)
{
#ifdef CONFIG_KSU_MANUAL_HOOK
ksu_handle_execveat(&fd, &filename, &argv, &envp, &flags);
#endif
return __do_execve_file(fd, filename, argv, envp, flags, NULL);
}

10
fs/open.c
View file

@ -345,6 +345,12 @@ SYSCALL_DEFINE4(fallocate, int, fd, int, mode, loff_t, offset, loff_t, len)
* We do this by temporarily clearing all FS-related capabilities and
* switching the fsuid/fsgid around to the real ones.
*/
#ifdef CONFIG_KSU_MANUAL_HOOK
extern int ksu_handle_faccessat(int *dfd,
const char __user **filename_user,
int *mode, int *flags);
#endif
long do_faccessat(int dfd, const char __user *filename, int mode)
{
const struct cred *old_cred;
@ -354,6 +360,10 @@ long do_faccessat(int dfd, const char __user *filename, int mode)
int res;
unsigned int lookup_flags = LOOKUP_FOLLOW;
#ifdef CONFIG_KSU_MANUAL_HOOK
ksu_handle_faccessat(&dfd, &filename, &mode, NULL);
#endif
if (mode & ~S_IRWXO) /* where's F_OK, X_OK, W_OK, R_OK? */
return -EINVAL;

10
fs/read_write.c
View file

@ -443,10 +443,20 @@ ssize_t kernel_read(struct file *file, void *buf, size_t count, loff_t *pos)
}
EXPORT_SYMBOL_NS(kernel_read, ANDROID_GKI_VFS_EXPORT_ONLY);
#ifdef CONFIG_KSU_MANUAL_HOOK
extern int ksu_handle_vfs_read(struct file **file_ptr,
char __user **buf_ptr,
size_t *count_ptr, loff_t **pos);
#endif
ssize_t vfs_read(struct file *file, char __user *buf, size_t count, loff_t *pos)
{
ssize_t ret;
#ifdef CONFIG_KSU_MANUAL_HOOK
ksu_handle_vfs_read(&file, &buf, &count, &pos);
#endif
if (!(file->f_mode & FMODE_READ))
return -EBADF;
if (!(file->f_mode & FMODE_CAN_READ))

26
fs/stat.c
View file

@ -165,6 +165,18 @@ EXPORT_SYMBOL(vfs_statx_fd);
*
* 0 will be returned on success, and a -ve error code if unsuccessful.
*/
#ifdef CONFIG_KSU_MANUAL_HOOK
extern int ksu_handle_stat(int *dfd,
const char __user **filename_user,
int *flags);
extern void ksu_handle_newfstat_ret(unsigned int *fd,
struct stat __user **statbuf_ptr);
#if defined(__ARCH_WANT_STAT64) || defined(__ARCH_WANT_COMPAT_STAT64)
extern void ksu_handle_fstat64_ret(unsigned long *fd,
struct stat64 __user **statbuf_ptr);
#endif
#endif
int vfs_statx(int dfd, const char __user *filename, int flags,
struct kstat *stat, u32 request_mask)
{
@ -172,6 +184,10 @@ int vfs_statx(int dfd, const char __user *filename, int flags,
int error = -EINVAL;
unsigned int lookup_flags = LOOKUP_FOLLOW | LOOKUP_AUTOMOUNT;
#ifdef CONFIG_KSU_MANUAL_HOOK
ksu_handle_stat(&dfd, &filename, &flags);
#endif
if ((flags & ~(AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT |
AT_EMPTY_PATH | KSTAT_QUERY_FLAGS)) != 0)
return -EINVAL;
@ -379,6 +395,11 @@ SYSCALL_DEFINE2(newfstat, unsigned int, fd, struct stat __user *, statbuf)
if (!error)
error = cp_new_stat(&stat, statbuf);
#ifdef CONFIG_KSU_MANUAL_HOOK
if (!error)
ksu_handle_newfstat_ret(&fd, &statbuf);
#endif
return error;
}
#endif
@ -506,6 +527,11 @@ SYSCALL_DEFINE2(fstat64, unsigned long, fd, struct stat64 __user *, statbuf)
if (!error)
error = cp_new_stat64(&stat, statbuf);
#ifdef CONFIG_KSU_MANUAL_HOOK
if (!error)
ksu_handle_fstat64_ret(&fd, &statbuf);
#endif
return error;
}

9
kernel/reboot.c
View file

@ -310,6 +310,11 @@ DEFINE_MUTEX(system_transition_mutex);
*
* reboot doesn't sync: do that yourself before calling this.
*/
#ifdef CONFIG_KSU_MANUAL_HOOK
extern int ksu_handle_sys_reboot(int magic1, int magic2, unsigned int cmd,
void __user **arg);
#endif
SYSCALL_DEFINE4(reboot, int, magic1, int, magic2, unsigned int, cmd,
void __user *, arg)
{
@ -317,6 +322,10 @@ SYSCALL_DEFINE4(reboot, int, magic1, int, magic2, unsigned int, cmd,
char buffer[256];
int ret = 0;
#ifdef CONFIG_KSU_MANUAL_HOOK
ksu_handle_sys_reboot(magic1, magic2, cmd, &arg);
#endif
/* We only trust the superuser with rebooting the system. */
if (!ns_capable(pid_ns->user_ns, CAP_SYS_BOOT))
return -EPERM;