From: Vasily Averin <vvs@virtuozzo.com>
Date: Tue, 25 Feb 2020 07:05:59 +0000 (+0300)
Subject: netfilter: synproxy: synproxy_cpu_seq_next should increase position index
X-Git-Tag: v4.19.111~38
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4fbcbed7c45189b5f7f3309aaed8fc81c37e9bba;p=platform%2Fkernel%2Flinux-rpi.git

netfilter: synproxy: synproxy_cpu_seq_next should increase position index

commit bb71f846a0002239f7058c84f1496648ff4a5c20 upstream.

If .next function does not change position index,
following .show function will repeat output related
to current position index.

Cc: stable@vger.kernel.org
Fixes: 1f4aace60b0e ("fs/seq_file.c: simplify seq_file iteration code ...")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206283
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/net/netfilter/nf_synproxy_core.c b/net/netfilter/nf_synproxy_core.c
index 8ff4d22..353a2aa 100644
--- a/net/netfilter/nf_synproxy_core.c
+++ b/net/netfilter/nf_synproxy_core.c
@@ -273,7 +273,7 @@ static void *synproxy_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 		*pos = cpu + 1;
 		return per_cpu_ptr(snet->stats, cpu);
 	}
-
+	(*pos)++;
 	return NULL;
 }