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Date: Thu, 23 Jan 2020 10:11:35 +0300 From: Vasily Averin <vvs@...tuozzo.com> To: "David S. Miller" <davem@...emloft.net> Cc: netdev@...r.kernel.org Subject: [PATCH 5/6] rt_cpu_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/ipv4/route.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 87e979f..e356ea7 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -271,6 +271,7 @@ static void *rt_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos) *pos = cpu+1; return &per_cpu(rt_cache_stat, cpu); } + (*pos)++; return NULL; } -- 1.8.3.1
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