From 724e4fcc8d80c63c7e56873b41987533db2a04c2 Mon Sep 17 00:00:00 2001 From: Richard Guy Briggs Date: Mon, 25 Nov 2013 21:57:51 -0500 Subject: [PATCH] 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 Signed-off-by: Eric Paris --- kernel/audit.c | 2 +- kernel/auditfilter.c | 11 +++++++---- 2 files changed, 8 insertions(+), 5 deletions(-) diff --git a/kernel/audit.c b/kernel/audit.c index 9c4ec29a707b..15661ef8bece 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 629834aa4ca4..14a78cca384e 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) -- 2.20.1