Add missing set->ndeact update on each deactivated element from the set
flush path. Otherwise, sets with fixed size break after flush since
accounting breaks.
# nft add set x y { type ipv4_addr\; size 2\; }
# nft add element x y { 1.1.1.1 }
# nft add element x y { 1.1.1.2 }
# nft flush set x y
# nft add element x y { 1.1.1.1 }
<cmdline>:1:1-28: Error: Could not process rule: Too many open files in system
Fixes: 8411b6442e59 ("netfilter: nf_tables: support for set flushing")
Reported-by: Elise Lennion <elise.lennion@xxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
v2: no changes, rebase.
net/netfilter/nf_tables_api.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 5bd0068320fb..1b913760f205 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -3906,6 +3906,7 @@ static int nft_flush_set(const struct nft_ctx *ctx,
err = -ENOENT;
goto err1;
}
+ set->ndeact++;
nft_trans_elem_set(trans) = set;
nft_trans_elem(trans) = *elem;
--
2.1.4
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