diff options
| -rw-r--r-- | net/core/filter.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index e193e29..e8a6ac4 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -88,7 +88,7 @@ enum { }; /* No hurry in this branch */ -static void *__load_pointer(const struct sk_buff *skb, int k) +static void *__load_pointer(const struct sk_buff *skb, int k, unsigned int size) { u8 *ptr = NULL; @@ -97,7 +97,7 @@ static void *__load_pointer(const struct sk_buff *skb, int k) else if (k >= SKF_LL_OFF) ptr = skb_mac_header(skb) + k - SKF_LL_OFF; - if (ptr >= skb->head && ptr < skb_tail_pointer(skb)) + if (ptr >= skb->head && ptr + size <= skb_tail_pointer(skb)) return ptr; return NULL; } @@ -110,7 +110,7 @@ static inline void *load_pointer(const struct sk_buff *skb, int k, else { if (k >= SKF_AD_OFF) return NULL; - return __load_pointer(skb, k); + return __load_pointer(skb, k, size); } } |
