This is a note to let you know that I've just added the patch titled
net: filter: Use WARN_RATELIMIT
to the 2.6.33-longterm tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/longterm/longterm-queue-2.6.33.git;a=summary
The filename of the patch is:
net-filter-use-warn_ratelimit.patch
and it can be found in the queue-2.6.33 subdirectory.
If you, or anyone else, feels it should not be added to the 2.6.33 longterm
tree,
please let <sta...@kernel.org> know about it.
>From a5d102e51f39a86721569072135e801e0afee3a2 Mon Sep 17 00:00:00 2001
From: Joe Perches <j...@perches.com>
Date: Sat, 21 May 2011 07:48:40 +0000
Subject: net: filter: Use WARN_RATELIMIT
From: Joe Perches <j...@perches.com>
[ Upstream commit 6c4a5cb219520c7bc937ee186ca53f03733bd09f ]
A mis-configured filter can spam the logs with lots of stack traces.
Rate-limit the warnings and add printout of the bogus filter information.
Original-patch-by: Ben Greear <gree...@candelatech.com>
Signed-off-by: Joe Perches <j...@perches.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@suse.de>
---
net/core/filter.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -285,7 +285,9 @@ load_b:
mem[fentry->k] = X;
continue;
default:
- WARN_ON(1);
+ WARN_RATELIMIT(1, "Unknown code:%u jt:%u tf:%u k:%u\n",
+ fentry->code, fentry->jt,
+ fentry->jf, fentry->k);
return 0;
}
Patches currently in longterm-queue-2.6.33 which might be from j...@perches.com
are
/home/gregkh/linux/longterm/longterm-queue-2.6.33/queue-2.6.33/net-filter-use-warn_ratelimit.patch
/home/gregkh/linux/longterm/longterm-queue-2.6.33/queue-2.6.33/bug.h-add-warn_ratelimit.patch
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