diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 186c6b07c60c..91b7e7784da9 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3265,12 +3265,18 @@ 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))) { + DO_ONCE_LITE(skb_dump, KERN_ERR, skb, false); + 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))) { + DO_ONCE_LITE(skb_dump, KERN_ERR, skb, false); + goto out; + } ret = skb_ensure_writable(skb, offset + sizeof(__sum16)); if (ret) goto out; |