From: Julian Anastasov <ja@ssi.bg>
Date: Thu, 18 Dec 2014 20:41:23 +0000 (+0200)
Subject: ipvs: rerouting to local clients is not needed anymore
X-Git-Tag: v3.2.69~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e5a4bc2e0b01b1a484091379a1a7f8ce098fb429;p=pandora-kernel.git

ipvs: rerouting to local clients is not needed anymore

commit 579eb62ac35845686a7c4286c0a820b4eb1f96aa upstream.

commit f5a41847acc5 ("ipvs: move ip_route_me_harder for ICMP")
from 2.6.37 introduced ip_route_me_harder() call for responses to
local clients, so that we can provide valid rt_src after SNAT.
It was used by TCP to provide valid daddr for ip_send_reply().
After commit 0a5ebb8000c5 ("ipv4: Pass explicit daddr arg to
ip_send_reply()." from 3.0 this rerouting is not needed anymore
and should be avoided, especially in LOCAL_IN.

Fixes 3.12.33 crash in xfrm reported by Florian Wiessner:
"3.12.33 - BUG xfrm_selector_match+0x25/0x2f6"

Reported-by: Smart Weblications GmbH - Florian Wiessner <f.wiessner@smart-weblications.de>
Tested-by: Smart Weblications GmbH - Florian Wiessner <f.wiessner@smart-weblications.de>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
---

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