diff mbox series

[1/4] ct_cpu_seq_next should increase position index

Message ID 90459b6e-f0b7-ddf0-e872-9d5e7f7b4c2c@virtuozzo.com
State Awaiting Upstream
Delegated to: Pablo Neira
Headers show
Series [1/4] ct_cpu_seq_next should increase position index | expand

Commit Message

Vasily Averin Jan. 23, 2020, 7:25 a.m. UTC
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/netfilter/nf_conntrack_standalone.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 410809c..4912069 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -411,7 +411,7 @@  static void *ct_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 		*pos = cpu + 1;
 		return per_cpu_ptr(net->ct.stat, cpu);
 	}
-
+	(*pos)++;
 	return NULL;
 }