* [PATCH 4/6] neigh_stat_seq_next() should increase position index
@ 2020-01-23 7:11 Vasily Averin
0 siblings, 0 replies; only message in thread
From: Vasily Averin @ 2020-01-23 7:11 UTC (permalink / raw)
To: David S. Miller; +Cc: netdev
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@virtuozzo.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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