1 files changed, 9 insertions, 3 deletions

diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index 27ef8dcf7cd8..359035caac88 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -540,8 +540,14 @@ int audit_dupe_exe(struct audit_krule *new, struct audit_krule *old)
 
 int audit_exe_compare(struct task_struct *tsk, struct audit_fsnotify_mark *mark)
 {
-        unsigned long ino = tsk->mm->exe_file->f_inode->i_ino;
-        dev_t dev = tsk->mm->exe_file->f_inode->i_sb->s_dev;
-
+        struct file *exe_file;
+        unsigned long ino;
+        dev_t dev;
+
+        rcu_read_lock();
+        exe_file = rcu_dereference(tsk->mm->exe_file);
+        ino = exe_file->f_inode->i_ino;
+        dev = exe_file->f_inode->i_sb->s_dev;
+        rcu_read_unlock();
         return audit_mark_compare(mark, ino, dev);
 }