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Message-ID: <7247b949-c5ee-c727-40a2-5770ab0f8e19@virtuozzo.com> Date: Thu, 23 Jan 2020 10:11:28 +0300 From: Vasily Averin <vvs@...tuozzo.com> To: "David S. Miller" <davem@...emloft.net> Cc: netdev@...r.kernel.org Subject: [PATCH 4/6] neigh_stat_seq_next() should increase position index if seq_file .next fuction does not change position index, read after some lseek can generate unexpected output. https://bugzilla.kernel.org/show_bug.cgi?id=206283 Signed-off-by: Vasily Averin <vvs@...tuozzo.com> --- net/core/neighbour.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 920784a..789a73a 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -3290,6 +3290,7 @@ static void *neigh_stat_seq_next(struct seq_file *seq, void *v, loff_t *pos) *pos = cpu+1; return per_cpu_ptr(tbl->stats, cpu); } + (*pos)++; return NULL; } -- 1.8.3.1
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