@@ -62,6 +62,7 @@ static int nft_connlimit_do_init(const struct nft_ctx *ctx,
{
bool invert = false;
u32 flags, limit;
+ int err;
if (!tb[NFTA_CONNLIMIT_COUNT])
return -EINVAL;
@@ -84,7 +85,15 @@ static int nft_connlimit_do_init(const struct nft_ctx *ctx,
priv->limit = limit;
priv->invert = invert;
- return nf_ct_netns_get(ctx->net, ctx->family);
+ err = nf_ct_netns_get(ctx->net, ctx->family);
+ if (err < 0)
+ goto err_netns;
+
+ return 0;
+err_netns:
+ kfree(priv->list);
+
+ return err;
}
static void nft_connlimit_do_destroy(const struct nft_ctx *ctx,
Check if nf_ct_netns_get() fails then release the limit object previously allocated via kmalloc(). Fixes: 37f319f37d90 ("netfilter: nft_connlimit: move stateful fields out of expression data") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> --- net/netfilter/nft_connlimit.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)