Fix the concurrent issues with removing module and accessing interfaces.

Add-the-owner-of-file-operations.patch

@@ -0,0 +1,50 @@
+From 76d06390a9adf3ae70aaa87e9243c42d848975a4 Mon Sep 17 00:00:00 2001
+From: Huaxin Lu <luhuaxin1@huawei.com>
+Date: Mon, 18 Sep 2023 20:19:05 +0800
+Subject: [PATCH] Add the owner of file operations
+
+Fix the concurrent issues with removing module and
+accessing interfaces.
+---
+ src/common/dim_entry.h | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/common/dim_entry.h b/src/common/dim_entry.h
+index 17e6420..acfc3a0 100644
+--- a/src/common/dim_entry.h
++++ b/src/common/dim_entry.h
+@@ -49,6 +49,7 @@ static ssize_t sname##_trigger(struct file *file,			\
+ }									\
+ 									\
+ static const struct file_operations sname##_ops = {			\
++	.owner = THIS_MODULE,						\
+ 	.write = sname##_trigger,					\
+ 	.llseek = generic_file_llseek,					\
+ };									\
+@@ -99,6 +100,7 @@ static int sname##_open(struct inode *inode, struct file *file)		\
+ }									\
+ 									\
+ static const struct file_operations sname##_ops = {			\
++	.owner = THIS_MODULE,						\
+ 	.open = sname##_open,						\
+ 	.read = seq_read,						\
+ 	.llseek = seq_lseek,						\
+@@ -129,6 +131,7 @@ static ssize_t sname##_read(struct file *file,				\
+ }									\
+ 									\
+ static const struct file_operations sname##_ops = {			\
++	.owner = THIS_MODULE,						\
+ 	.read = sname##_read,						\
+ 	.llseek = generic_file_llseek,					\
+ };									\
+@@ -173,6 +176,7 @@ static ssize_t sname##_write(struct file *file,				\
+ }									\
+ 									\
+ static const struct file_operations sname##_ops = {			\
++	.owner = THIS_MODULE,						\
+ 	.read = sname##_read,						\
+ 	.write = sname##_write,						\
+ 	.llseek = generic_file_llseek,					\
+-- 
+2.27.0
+

dim.spec

@@ -4,7 +4,7 @@
 Name         :  dim
 Summary      :  Dynamic Integrity Measurement
 Version      :  1.0.2
-Release      :  3
+Release      :  4
 License      :  GPL-2.0
 Source0      :  %{name}-v%{version}.tar.gz
 BuildRequires:  kernel-devel kernel-headers
@@ -12,6 +12,7 @@ Requires     :  kernel
 
 Patch0001:      Limit-the-max-line-number-of-policy-and-baseline-par.patch
 Patch0002:      Use-jiffies64-interface-to-set-measure-interval.patch
+Patch0003:      Add-the-owner-of-file-operations.patch
 
 %description
 Dynamic Integrity Measurement
@@ -50,6 +51,9 @@ rm -rf %{buildroot}
 %attr(0400,root,root) /lib/modules/%{kernel_version}/extra/dim/dim_monitor.ko
 
 %changelog
+* Mon Sep 18 2023 jinlun <jinlun@huawei.com> 1.0.2-4
+- Fix the concurrent issues with removing module and accessing interfaces.
+
 * Fri Sep 15 2023 luhuaxin <luhuaxin1@huawei.com> 1.0.2-3
 - Use jiffies64 interface to set measure interval