This is a note to let you know that I've just added the patch titled
net: rate-limit warn-bad-offload splats.
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-rate-limit-warn-bad-offload-splats.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c0bb88dad87d55604cc656c60779ea8ca61ca068 Mon Sep 17 00:00:00 2001
From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Date: Fri, 19 Apr 2013 10:45:52 +0000
Subject: net: rate-limit warn-bad-offload splats.
From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
[ Upstream commit c846ad9b880ece01bb4d8d07ba917734edf0324f ]
If one does do something unfortunate and allow a
bad offload bug into the kernel, this the
skb_warn_bad_offload can effectively live-lock the
system, filling the logs with the same error over
and over.
Add rate limitation to this so that box remains otherwise
functional in this case.
Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/core/dev.c | 3 +++
1 file changed, 3 insertions(+)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1895,6 +1895,9 @@ static void skb_warn_bad_offload(const s
struct net_device *dev = skb->dev;
const char *driver = "";
+ if (!net_ratelimit())
+ return;
+
if (dev && dev->dev.parent)
driver = dev_driver_string(dev->dev.parent);
Patches currently in stable-queue which might be from greearb@xxxxxxxxxxxxxxx are
queue-3.4/net-rate-limit-warn-bad-offload-splats.patch
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