This is a note to let you know that I've just added the patch titled
flowcache: Fix kernel panic in flow_cache_flush_task
to the 3.19-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:
flowcache-fix-kernel-panic-in-flow_cache_flush_task.patch
and it can be found in the queue-3.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Wed Mar 11 11:44:33 CET 2015
From: Miroslav Urbanek <mu@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 5 Feb 2015 16:36:50 +0100
Subject: flowcache: Fix kernel panic in flow_cache_flush_task
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From: Miroslav Urbanek <mu@xxxxxxxxxxxxxxxxxxx>
[ Upstream commit 233c96fc077d310772375d47522fb444ff546905 ]
flow_cache_flush_task references a structure member flow_cache_gc_work
where it should reference flow_cache_flush_task instead.
Kernel panic occurs on kernels using IPsec during XFRM garbage
collection. The garbage collection interval can be shortened using the
following sysctl settings:
net.ipv4.xfrm4_gc_thresh=4
net.ipv6.xfrm6_gc_thresh=4
With the default settings, our productions servers crash approximately
once a week. With the settings above, they crash immediately.
Fixes: ca925cf1534e ("flowcache: Make flow cache name space aware")
Reported-by: Tomáš Charvát <tc@xxxxxxxxxx>
Tested-by: Jan Hejl <jh@xxxxxxxxxx>
Signed-off-by: Miroslav Urbanek <mu@xxxxxxxxxxxxxxxxxxx>
Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/core/flow.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -379,7 +379,7 @@ done:
static void flow_cache_flush_task(struct work_struct *work)
{
struct netns_xfrm *xfrm = container_of(work, struct netns_xfrm,
- flow_cache_gc_work);
+ flow_cache_flush_work);
struct net *net = container_of(xfrm, struct net, xfrm);
flow_cache_flush(net);
Patches currently in stable-queue which might be from mu@xxxxxxxxxxxxxxxxxxx are
queue-3.19/flowcache-fix-kernel-panic-in-flow_cache_flush_task.patch
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