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Message-ID: <1ec7f8d9-f8b5-430d-4622-634917f30d96@virtuozzo.com>
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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