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 (file)
--- 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 (file)
--- 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)