From: Richard Guy Briggs <rgb@redhat.com>
Date: Tue, 26 Nov 2013 02:57:51 +0000 (-0500)
Subject: audit: log on errors from filter user rules
X-Git-Tag: v3.15-rc1~18^2~48
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=724e4fcc8d80c63c7e56873b41987533db2a04c2;p=platform%2Fkernel%2Flinux-stable.git

audit: log on errors from filter user rules

An error on an AUDIT_NEVER rule disabled logging on that rule.
On error on AUDIT_NEVER rules, log.

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
---

diff --git a/kernel/audit.c b/kernel/audit.c
index 9c4ec29..15661ef 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -869,7 +869,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 			return 0;
 
 		err = audit_filter_user(msg_type);
-		if (err == 1) {
+		if (err == 1) { /* match or error */
 			err = 0;
 			if (msg_type == AUDIT_USER_TTY) {
 				err = tty_audit_push_current();
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 629834a..14a78cc 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -1290,19 +1290,22 @@ int audit_filter_user(int type)
 {
 	enum audit_state state = AUDIT_DISABLED;
 	struct audit_entry *e;
-	int ret = 1;
+	int rc, ret;
+
+	ret = 1; /* Audit by default */
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(e, &audit_filter_list[AUDIT_FILTER_USER], list) {
-		if (audit_filter_user_rules(&e->rule, type, &state)) {
-			if (state == AUDIT_DISABLED)
+		rc = audit_filter_user_rules(&e->rule, type, &state);
+		if (rc) {
+			if (rc > 0 && state == AUDIT_DISABLED)
 				ret = 0;
 			break;
 		}
 	}
 	rcu_read_unlock();
 
-	return ret; /* Audit by default */
+	return ret;
 }
 
 int audit_filter_type(int type)