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-rw-r--r--net/netfilter/nft_bitwise.c5
-rw-r--r--net/netfilter/nft_cmp.c2
2 files changed, 4 insertions, 3 deletions
diff --git a/net/netfilter/nft_bitwise.c b/net/netfilter/nft_bitwise.c
index 974300178fa9..02afa752dd2e 100644
--- a/net/netfilter/nft_bitwise.c
+++ b/net/netfilter/nft_bitwise.c
@@ -134,12 +134,13 @@ static int nft_bitwise_offload(struct nft_offload_ctx *ctx,
const struct nft_expr *expr)
{
const struct nft_bitwise *priv = nft_expr_priv(expr);
+ struct nft_offload_reg *reg = &ctx->regs[priv->dreg];
if (memcmp(&priv->xor, &zero, sizeof(priv->xor)) ||
- priv->sreg != priv->dreg)
+ priv->sreg != priv->dreg || priv->len != reg->len)
return -EOPNOTSUPP;
- memcpy(&ctx->regs[priv->dreg].mask, &priv->mask, sizeof(priv->mask));
+ memcpy(&reg->mask, &priv->mask, sizeof(priv->mask));
return 0;
}
diff --git a/net/netfilter/nft_cmp.c b/net/netfilter/nft_cmp.c
index bd173b1824c6..0744b2bb46da 100644
--- a/net/netfilter/nft_cmp.c
+++ b/net/netfilter/nft_cmp.c
@@ -116,7 +116,7 @@ static int __nft_cmp_offload(struct nft_offload_ctx *ctx,
u8 *mask = (u8 *)&flow->match.mask;
u8 *key = (u8 *)&flow->match.key;
- if (priv->op != NFT_CMP_EQ)
+ if (priv->op != NFT_CMP_EQ || reg->len != priv->len)
return -EOPNOTSUPP;
memcpy(key + reg->offset, &priv->data, priv->len);