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kernel, ksud, manager: New supercalls implementations

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* This commit squashes new supercall impl:
3138651a38..562a3b9be7

Thanks to these people below:

Official KernelSU:
Co-authored-by: Wang Han <416810799@qq.com>
Co-authored-by: weishu <twsxtd@gmail.com>
Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>

xxKSU maintainer:
Co-authored-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
MMRL maintainer:
Co-authored-by: Der_Googler <54764558+dergoogler@users.noreply.github.com>
KSUN maintainer:
Co-authored-by: Rifat Azad <33044977+rifsxd@users.noreply.github.com>
KOWSU maintainer:
Co-authored-by: KOWX712 <leecc0503@gmail.com>
This commit is contained in:
ShirkNeko
2025-11-06 03:54:44 +08:00
parent c55a918957
commit 68f3be2cbe
23 changed files with 1804 additions and 2218 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
kernel/kernel_compat.h
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@@ -3,61 +3,17 @@
#include <linux/fs.h>
#include <linux/version.h>
#include <linux/cred.h>
#include "ss/policydb.h"
#include "linux/key.h"
#if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
#define kcompat_barrier() do { barrier(); isb(); } while (0)
#else
#define kcompat_barrier() barrier()
#endif
/*
* Linux 6.8+ does not have LKM support, due to numerous changes on LSM.
* Let's fails if MODULE were defined.
*/
#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 8, 0) && defined(MODULE)
#error "LKM mode is not supported on Linux 6.8+, aborting build."
#endif
/**
* list_count_nodes - count the number of nodes in a list
* @head: the head of the list
*
* This function iterates over the list starting from @head and counts
* the number of nodes in the list. It does not modify the list.
*
* Context: Any context. The function is safe to call in any context,
* including interrupt context, as it does not sleep or allocate
* memory.
*
* Return: the number of nodes in the list (excluding the head)
*/
#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 6, 0)
static inline __maybe_unused size_t list_count_nodes(const struct list_head *head)
{
const struct list_head *pos;
size_t count = 0;
if (!head)
return 0;
list_for_each(pos, head)
count++;
return count;
}
#endif
/*
* Adapt to Huawei HISI kernel without affecting other kernels ,
* Huawei Hisi Kernel EBITMAP Enable or Disable Flag ,
* From ss/ebitmap.h
*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)) || \
(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)) && \
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0)) || \
(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0))
#ifdef HISI_SELINUX_EBITMAP_RO
#define CONFIG_IS_HW_HISI
@@ -78,11 +34,10 @@ extern long ksu_strncpy_from_user_retry(char *dst,
const void __user *unsafe_addr,
long count);
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) || \
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 10, 0) || \
defined(CONFIG_IS_HW_HISI) || defined(CONFIG_KSU_ALLOWLIST_WORKAROUND)
extern struct key *init_session_keyring;
#endif
extern void ksu_android_ns_fs_check(void);
extern struct file *ksu_filp_open_compat(const char *filename, int flags,
umode_t mode);
@@ -108,6 +63,11 @@ static long ksu_copy_from_user_retry(void *to,
return copy_from_user(to, from, count);
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 0)
extern void ksu_seccomp_clear_cache(struct seccomp_filter *filter, int nr);
extern void ksu_seccomp_allow_cache(struct seccomp_filter *filter, int nr);
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 0)
#define ksu_access_ok(addr, size) access_ok(addr, size)
#else