diff options
| author | Vasily Averin <vvs@virtuozzo.com> | 2020-01-23 10:11:28 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-01 13:12:30 +0200 |
| commit | c66173df61ce44aaa52e916e6f7d2f84b0f9c931 (patch) | |
| tree | a349fdb2204a2d7e443d7d695ae26e236014e25d /net | |
| parent | 62fd2fcca39bbee2c75738f26df33d9e24d85188 (diff) | |
neigh_stat_seq_next() should increase position index
[ 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 <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/neighbour.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 567e431813e5..20f6c634ad68 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; } |