diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/poison.h | 3 | ||||
| -rw-r--r-- | include/linux/skbuff.h | 7 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/poison.h b/include/linux/poison.h index 2d3249eb0e62..2823f90fdab4 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -81,6 +81,9 @@ /********** net/core/page_pool.c **********/ #define PP_SIGNATURE (0x40 + POISON_POINTER_DELTA) +/********** net/core/skbuff.c **********/ +#define SKB_LIST_POISON_NEXT ((void *)(0x800 + POISON_POINTER_DELTA)) + /********** kernel/bpf/ **********/ #define BPF_PTR_POISON ((void *)(0xeB9FUL + POISON_POINTER_DELTA)) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 5ba12185f43e..1fa95b916342 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1738,6 +1738,13 @@ static inline void skb_mark_not_on_list(struct sk_buff *skb) skb->next = NULL; } +static inline void skb_poison_list(struct sk_buff *skb) +{ +#ifdef CONFIG_DEBUG_NET + skb->next = SKB_LIST_POISON_NEXT; +#endif +} + /* Iterate through singly-linked GSO fragments of an skb. */ #define skb_list_walk_safe(first, skb, next_skb) \ for ((skb) = (first), (next_skb) = (skb) ? (skb)->next : NULL; (skb); \ |