Thread (14 messages) read the whole thread 14 messages, 4 authors, 2015-11-13
STALE3915d

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[PATCH 04/10] netfilter: ipset: Fix hash:* type expiration

From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2015-11-11 17:33:59
Also in: netfilter-devel
Subsystem: netfilter, networking [general], the rest · Maintainers: Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds 

From: Jozsef Kadlecsik <redacted>

Incorrect index was used when the data blob was shrinked at expiration,
which could lead to falsely expired entries and memory leak when
the comment extension was used too.

Signed-off-by: Jozsef Kadlecsik <redacted>
---
 net/netfilter/ipset/ip_set_hash_gen.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h
index 4ff2219..fa4f637 100644
--- a/net/netfilter/ipset/ip_set_hash_gen.h
+++ b/net/netfilter/ipset/ip_set_hash_gen.h
@@ -523,7 +523,7 @@ mtype_expire(struct ip_set *set, struct htype *h, u8 nets_length, size_t dsize)
 					continue;
 				data = ahash_data(n, j, dsize);
 				memcpy(tmp->value + d * dsize, data, dsize);
-				set_bit(j, tmp->used);
+				set_bit(d, tmp->used);
 				d++;
 			}
 			tmp->pos = d;
-- 
2.1.4
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