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netfilter: synproxy: synproxy_cpu_seq_next should increase position index

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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: 1f4aace60b ("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>
This commit is contained in:
Vasily Averin 2020-02-25 10:05:59 +03:00 • committed by Greg Kroah-Hartman
parent 64cd059b79
commit 4fbcbed7c4
1 changed files with 1 additions and 1 deletions

2
net/netfilter/nf_synproxy_core.c
View file

@ -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;
}