Adding new field (mount namespace id, along with already existent file
inode and device name) to uniquely identify a pathname considering
different mount namespaces. The file inode on a given device is unique
and these fields are required to identify a namespace id since this
id can be released and later reused by a different namespace.
Signed-off-by: Guilherme Magalhaes <guilherme.magalhaes@xxxxxxx>
---
security/integrity/integrity_audit.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/security/integrity/integrity_audit.c b/security/integrity/integrity_audit.c
index 90987d1..e675e42 100644
--- a/security/integrity/integrity_audit.c
+++ b/security/integrity/integrity_audit.c
@@ -13,6 +13,7 @@
#include <linux/fs.h>
#include <linux/gfp.h>
#include <linux/audit.h>
+#include <linux/proc_ns.h>
#include "integrity.h"
static int integrity_audit_info;
@@ -52,8 +53,12 @@ void integrity_audit_msg(int audit_msgno, struct inode *inode,
audit_log_format(ab, " comm=");
audit_log_untrustedstring(ab, get_task_comm(name, current));
if (fname) {
+ struct ns_common *ns;
audit_log_format(ab, " name=");
audit_log_untrustedstring(ab, fname);
+ ns = mntns_operations.get(current);
+ audit_log_format(ab, " mnt_ns=%u", ns->inum);
+ mntns_operations.put(ns);
}
if (inode) {
audit_log_format(ab, " dev=");
--
2.7.4
