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| author | Vasily Averin <vvs@virtuozzo.com> | 2020-01-23 10:11:28 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-01 13:14:29 +0200 |
| commit | f2cd82a26fcf477d593c546d8a84fc7881ceaf27 (patch) | |
| tree | de4eb65c92536eb45a5bc6d191ed4a774214f47c | |
| parent | 576f57da9107056935364824ecd2d78a07d542e6 (diff) | |
| download | linux-stable-f2cd82a26fcf477d593c546d8a84fc7881ceaf27.tar.gz linux-stable-f2cd82a26fcf477d593c546d8a84fc7881ceaf27.tar.bz2 linux-stable-f2cd82a26fcf477d593c546d8a84fc7881ceaf27.zip | |
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>
| -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 bf738ec68cb5..6e890f51b7d8 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2844,6 +2844,7 @@ 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; } |