diff --git a/net/core/dev.c b/net/core/dev.c index 5907212c00f3..b9731b267d07 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3233,11 +3233,15 @@ int skb_checksum_help(struct sk_buff *skb) } offset = skb_checksum_start_offset(skb); - BUG_ON(offset >= skb_headlen(skb)); + ret = -EINVAL; + if (WARN_ON_ONCE(offset >= skb_headlen(skb))) + goto out; + csum = skb_checksum(skb, offset, skb->len - offset, 0); offset += skb->csum_offset; - BUG_ON(offset + sizeof(__sum16) > skb_headlen(skb)); + if (WARN_ON_ONCE(offset + sizeof(__sum16) > skb_headlen(skb))) + goto out; ret = skb_ensure_writable(skb, offset + sizeof(__sum16)); if (ret)