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Re: /var/log/messages: backlog limit exceeded



On Mon, 2005-06-20 at 10:50 +0100, David Woodhouse wrote:
> Assuming this approach is satisfactory we may want to look for more
> callers which can be converted to audit_log_start_wait(), and perhaps
> give a few more slots to the atomic callers, so there's always space
> for them.

Something like this...

--- kernel-2.6.9/linux-2.6.9/kernel/audit.c	2005-06-20 16:12:48.000000000 +0100
+++ kernel-2.6.9-running/linux-2.6.9/kernel/audit.c	2005-06-20 16:18:37.000000000 +0100
@@ -449,7 +449,7 @@ static int audit_receive_msg(struct sk_b
 			return -ESRCH;
 
 		if (audit_enabled && audit_filter_user(tsk, msg_type)) {
-			    ab = audit_log_start(NULL, msg_type);
+			    ab = audit_log_start_wait(NULL, msg_type);
 			    if (ab) {
 				    audit_log_format(ab,
 						     "user pid=%d uid=%u auid=%u msg='%.1024s'",
@@ -707,7 +707,7 @@ struct audit_buffer *__audit_log_start(s
 		return NULL;
 
 	while (audit_backlog_limit
-	    && skb_queue_len(&audit_skb_queue) > audit_backlog_limit) {
+	       && skb_queue_len(&audit_skb_queue) > audit_backlog_limit + wait?0:5) {
 		if (wait) {
 			int ret = 1;
 			/* Wait for auditd to drain the queue a little */


-- 
dwmw2


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