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Fix bug: sometimes valid entries in hash:* types of sets were evicted 

Wrong index was used and therefore when shrinking a hash bucket at
deleting an entry, valid entries could be evicted as well.
Thanks to Eric Ewanco for the thorough bugreport.

Fixes netfilter bugzilla #1119

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
This commit is contained in:
Jozsef Kadlecsik 2017-02-16 20:47:30 +01:00
parent f95d7a46bc
commit 50054a9223
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/ipset/ip_set_hash_gen.h
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@ -897,7 +897,7 @@ mtype_del(struct ip_set *set, void *value, const struct ip_set_ext *ext,
continue;
data = ahash_data(n, j, dsize);
memcpy(tmp->value + k * dsize, data, dsize);
set_bit(j, tmp->used);
set_bit(k, tmp->used);
k++;
}
tmp->pos = k;