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-rw-r--r--kernel/audit.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/kernel/audit.c b/kernel/audit.c
index 684b51d612a3..52ee8eee0e07 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -43,6 +43,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#include <linux/file.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/atomic.h>
@@ -1851,15 +1852,20 @@ EXPORT_SYMBOL(audit_log_task_context);
void audit_log_d_path_exe(struct audit_buffer *ab,
struct mm_struct *mm)
{
- if (!mm) {
- audit_log_format(ab, " exe=(null)");
- return;
- }
+ struct file *exe_file;
+
+ if (!mm)
+ goto out_null;
- down_read(&mm->mmap_sem);
- if (mm->exe_file)
- audit_log_d_path(ab, " exe=", &mm->exe_file->f_path);
- up_read(&mm->mmap_sem);
+ exe_file = get_mm_exe_file(mm);
+ if (!exe_file)
+ goto out_null;
+
+ audit_log_d_path(ab, " exe=", &exe_file->f_path);
+ fput(exe_file);
+ return;
+out_null:
+ audit_log_format(ab, " exe=(null)");
}
void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk)