From: Vasily Averin <[email protected]> [ Upstream commit 1e3f9f073c47bee7c23e77316b07bc12338c5bba ]
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 <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]> --- net/core/neighbour.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 567e431813e59..20f6c634ad68a 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2836,6 +2836,7 @@ 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; } -- 2.25.1
