2.6.35-longterm review patch. If anyone has any objections, please let me know.
------------------
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>
Signed-off-by: Andi Kleen <a...@linux.intel.com>
---
net/core/filter.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
Index: linux-2.6.35.y/net/core/filter.c
===================================================================
--- linux-2.6.35.y.orig/net/core/filter.c
+++ linux-2.6.35.y/net/core/filter.c
@@ -292,7 +292,9 @@ load_b:
mem[f_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;
}
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