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fix: fix 5.0- users can't build (#551)

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my mistake, forget old kernel's access_ok has 3 params,
so i switch to ksu_access_ok
This commit is contained in:
AlexLiuDev233
2025-11-08 21:33:21 +08:00
committed by ShirkNeko
parent a4d642bf50
commit d918e016bc
3 changed files with 18 additions and 14 deletions
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25
kernel/kpm/kpm.c
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@@ -37,6 +37,7 @@
#endif
#include "kpm.h"
#include "compact.h"
#include "../kernel_compat.h"
#define KPM_NAME_LEN 32
#define KPM_ARGS_LEN 1024
@@ -127,18 +128,18 @@ noinline int sukisu_handle_kpm(unsigned long control_code, unsigned long arg1, u
goto exit;
}
if (!access_ok(arg1, 255)) {
if (!ksu_access_ok(arg1, sizeof(kernel_load_path))) {
goto invalid_arg;
}
strncpy_from_user((char *)&kernel_load_path, (const char *)arg1, 255);
strncpy_from_user((char *)&kernel_load_path, (const char *)arg1, sizeof(kernel_load_path));
if (arg2 != 0) {
if (!access_ok(arg2, 255)) {
if (!ksu_access_ok(arg2, sizeof(kernel_args_buffer))) {
goto invalid_arg;
}
strncpy_from_user((char *)&kernel_args_buffer, (const char *)arg2, 255);
strncpy_from_user((char *)&kernel_args_buffer, (const char *)arg2, sizeof(kernel_args_buffer));
}
sukisu_kpm_load_module_path((const char *)&kernel_load_path,
@@ -151,7 +152,7 @@ noinline int sukisu_handle_kpm(unsigned long control_code, unsigned long arg1, u
goto exit;
}
if (!access_ok(arg1, sizeof(kernel_name_buffer))) {
if (!ksu_access_ok(arg1, sizeof(kernel_name_buffer))) {
goto invalid_arg;
}
@@ -170,7 +171,7 @@ noinline int sukisu_handle_kpm(unsigned long control_code, unsigned long arg1, u
goto exit;
}
if (!access_ok(arg1, sizeof(kernel_name_buffer))) {
if (!ksu_access_ok(arg1, sizeof(kernel_name_buffer))) {
goto invalid_arg;
}
@@ -178,7 +179,7 @@ noinline int sukisu_handle_kpm(unsigned long control_code, unsigned long arg1, u
sukisu_kpm_info((const char *)&kernel_name_buffer, (char *)&buf, sizeof(buf), &size);
if (!access_ok(arg2, size)) {
if (!ksu_access_ok(arg2, size)) {
goto invalid_arg;
}
@@ -193,7 +194,7 @@ noinline int sukisu_handle_kpm(unsigned long control_code, unsigned long arg1, u
goto exit;
}
if (!access_ok(arg2, len)) {
if (!ksu_access_ok(arg2, len)) {
goto invalid_arg;
}
@@ -211,11 +212,11 @@ noinline int sukisu_handle_kpm(unsigned long control_code, unsigned long arg1, u
char kpm_name[KPM_NAME_LEN] = { 0 };
char kpm_args[KPM_ARGS_LEN] = { 0 };
if (!access_ok(arg1, sizeof(kpm_name))) {
if (!ksu_access_ok(arg1, sizeof(kpm_name))) {
goto invalid_arg;
}
if (!access_ok(arg2, sizeof(kpm_args))) {
if (!ksu_access_ok(arg2, sizeof(kpm_args))) {
goto invalid_arg;
}
@@ -267,12 +268,12 @@ int do_kpm(void __user *arg)
return -EFAULT;
}
if (!access_ok(cmd.control_code, sizeof(int))) {
if (!ksu_access_ok(cmd.control_code, sizeof(int))) {
pr_err("kpm: invalid control_code pointer %px\n", (void *)cmd.control_code);
return -EFAULT;
}
if (!access_ok(cmd.result_code, sizeof(int))) {
if (!ksu_access_ok(cmd.result_code, sizeof(int))) {
pr_err("kpm: invalid result_code pointer %px\n", (void *)cmd.result_code);
return -EFAULT;
}