This is a note to let you know that I've just added the patch titled
ipvs: add missing ip_vs_pe_put in sync code
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:
ipvs-add-missing-ip_vs_pe_put-in-sync-code.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 528c943f3bb919aef75ab2fff4f00176f09a4019 Mon Sep 17 00:00:00 2001
From: Julian Anastasov <ja@xxxxxx>
Date: Sat, 21 Feb 2015 21:03:10 +0200
Subject: ipvs: add missing ip_vs_pe_put in sync code
From: Julian Anastasov <ja@xxxxxx>
commit 528c943f3bb919aef75ab2fff4f00176f09a4019 upstream.
ip_vs_conn_fill_param_sync() gets in param.pe a module
reference for persistence engine from __ip_vs_pe_getbyname()
but forgets to put it. Problem occurs in backup for
sync protocol v1 (2.6.39).
Also, pe_data usually comes in sync messages for
connection templates and ip_vs_conn_new() copies
the pointer only in this case. Make sure pe_data
is not leaked if it comes unexpectedly for normal
connections. Leak can happen only if bogus messages
are sent to backup server.
Fixes: fe5e7a1efb66 ("IPVS: Backup, Adding Version 1 receive capability")
Signed-off-by: Julian Anastasov <ja@xxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/netfilter/ipvs/ip_vs_sync.c | 3 +++
1 file changed, 3 insertions(+)
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -896,6 +896,8 @@ static void ip_vs_proc_conn(struct net *
IP_VS_DBG(2, "BACKUP, add new conn. failed\n");
return;
}
+ if (!(flags & IP_VS_CONN_F_TEMPLATE))
+ kfree(param->pe_data);
}
if (opt)
@@ -1169,6 +1171,7 @@ static inline int ip_vs_proc_sync_conn(s
(opt_flags & IPVS_OPT_F_SEQ_DATA ? &opt : NULL)
);
#endif
+ ip_vs_pe_put(param.pe);
return 0;
/* Error exit */
out:
Patches currently in stable-queue which might be from ja@xxxxxx are
queue-3.19/ipvs-add-missing-ip_vs_pe_put-in-sync-code.patch
queue-3.19/ipvs-fix-inability-to-remove-a-mixed-family-rs.patch
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