Merge branch 'audit.b54' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current

* 'audit.b54' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
  [PATCH] Fix the bug of using AUDIT_STATUS_RATE_LIMIT when set fail, no error output.
  [PATCH] Fix the kernel panic of audit_filter_task when key field is set
  Re: [PATCH] the loginuid field should be output in all AUDIT_CONFIG_CHANGE audit messages
  kernel/audit.c control character detection is off-by-one
  [PATCH] Audit: Collect signal info when SIGUSR2 is sent to auditd

kernel/audit.c

@@ -707,12 +707,14 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 		if (status_get->mask & AUDIT_STATUS_ENABLED) {
 			err = audit_set_enabled(status_get->enabled,
 						loginuid, sessionid, sid);
-			if (err < 0) return err;
+			if (err < 0)
+				return err;
 		}
 		if (status_get->mask & AUDIT_STATUS_FAILURE) {
 			err = audit_set_failure(status_get->failure,
 						loginuid, sessionid, sid);
-			if (err < 0) return err;
+			if (err < 0)
+				return err;
 		}
 		if (status_get->mask & AUDIT_STATUS_PID) {
 			int new_pid = status_get->pid;
@@ -725,9 +727,12 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 			audit_pid = new_pid;
 			audit_nlk_pid = NETLINK_CB(skb).pid;
 		}
-		if (status_get->mask & AUDIT_STATUS_RATE_LIMIT)
+		if (status_get->mask & AUDIT_STATUS_RATE_LIMIT) {
 			err = audit_set_rate_limit(status_get->rate_limit,
 						   loginuid, sessionid, sid);
+			if (err < 0)
+				return err;
+		}
 		if (status_get->mask & AUDIT_STATUS_BACKLOG_LIMIT)
 			err = audit_set_backlog_limit(status_get->backlog_limit,
 						      loginuid, sessionid, sid);
@@ -1366,7 +1371,7 @@ int audit_string_contains_control(const char *string, size_t len)
 {
 	const unsigned char *p;
 	for (p = string; p < (const unsigned char *)string + len && *p; p++) {
-		if (*p == '"' || *p < 0x21 || *p > 0x7f)
+		if (*p == '"' || *p < 0x21 || *p > 0x7e)
 			return 1;
 	}
 	return 0;

kernel/auditfilter.c

@@ -1022,8 +1022,11 @@ static void audit_update_watch(struct audit_parent *parent,
 			struct audit_buffer *ab;
 			ab = audit_log_start(NULL, GFP_KERNEL,
 				AUDIT_CONFIG_CHANGE);
+			audit_log_format(ab, "auid=%u ses=%u",
+				audit_get_loginuid(current),
+				audit_get_sessionid(current));
 			audit_log_format(ab,
-				"op=updated rules specifying path=");
+				" op=updated rules specifying path=");
 			audit_log_untrustedstring(ab, owatch->path);
 			audit_log_format(ab, " with dev=%u ino=%lu\n",
 				 dev, ino);
@@ -1058,7 +1061,10 @@ static void audit_remove_parent_watches(struct audit_parent *parent)
 				struct audit_buffer *ab;
 				ab = audit_log_start(NULL, GFP_KERNEL,
 					AUDIT_CONFIG_CHANGE);
-				audit_log_format(ab, "op=remove rule path=");
+				audit_log_format(ab, "auid=%u ses=%u",
+					audit_get_loginuid(current),
+					audit_get_sessionid(current));
+				audit_log_format(ab, " op=remove rule path=");
 				audit_log_untrustedstring(ab, w->path);
 				if (r->filterkey) {
 					audit_log_format(ab, " key=");

kernel/auditsc.c

@@ -610,7 +610,7 @@ static int audit_filter_rules(struct task_struct *tsk,
 		if (!result)
 			return 0;
 	}
-	if (rule->filterkey)
+	if (rule->filterkey && ctx)
 		ctx->filterkey = kstrdup(rule->filterkey, GFP_ATOMIC);
 	switch (rule->action) {
 	case AUDIT_NEVER:    *state = AUDIT_DISABLED;	    break;
@@ -2375,7 +2375,7 @@ int __audit_signal_info(int sig, struct task_struct *t)
 	struct audit_context *ctx = tsk->audit_context;
 
 	if (audit_pid && t->tgid == audit_pid) {
-		if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1) {
+		if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1 || sig == SIGUSR2) {
 			audit_sig_pid = tsk->pid;
 			if (tsk->loginuid != -1)
 				audit_sig_uid = tsk->loginuid;