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kernel: improve get_cred_rcu guard

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Signed-off-by: rsuntk <rissu.ntk@gmail.com>
This commit is contained in:
rsuntk
2025-01-10 13:26:12 +07:00
committed by Rifat Azad
parent 3b045f6c16
commit 0ada4ee5d4
2 changed files with 6 additions and 2 deletions
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4
kernel/Makefile
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@@ -60,9 +60,9 @@ ccflags-y += -DKSU_UMOUNT
# This feature is introduced in linux 5.0-rc1 # This feature is introduced in linux 5.0-rc1
ifeq ($(shell grep -q "get_cred_rcu" $(srctree)/include/linux/cred.h; echo $$?),0) ifeq ($(shell grep -q "get_cred_rcu" $(srctree)/include/linux/cred.h; echo $$?),0)
ccflags-y += -DKSU_GET_CRED_RCU ccflags-y += -DKSU_COMPAT_GET_CRED_RCU
else else
$(info -- Your kernel does not have get_cred_rcu, please backport it.) $(info -- Your kernel does not support get_cred_rcu, please backport it.)
$(info -- How to backport: https://github.com/tiann/KernelSU/pull/2320#issuecomment-2564232958) $(info -- How to backport: https://github.com/tiann/KernelSU/pull/2320#issuecomment-2564232958)
$(info -- Fallback to old changes.) $(info -- Fallback to old changes.)
endif endif

4
kernel/core_hook.c
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@@ -45,6 +45,10 @@
#include "throne_tracker.h" #include "throne_tracker.h"
#include "kernel_compat.h" #include "kernel_compat.h"
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 0) || defined(KSU_COMPAT_GET_CRED_RCU)
#define KSU_GET_CRED_RCU
#endif
static bool ksu_module_mounted = false; static bool ksu_module_mounted = false;
extern int handle_sepolicy(unsigned long arg3, void __user *arg4); extern int handle_sepolicy(unsigned long arg3, void __user *arg4);