diff options
| -rw-r--r-- | net/core/filter.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index 2510464692af..9933851c685e 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1665,6 +1665,11 @@ static DEFINE_PER_CPU(struct bpf_scratchpad, bpf_sp); static inline int __bpf_try_make_writable(struct sk_buff *skb, unsigned int write_len) { +#ifdef CONFIG_DEBUG_NET + /* Avoid a splat in pskb_may_pull_reason() */ + if (write_len > INT_MAX) + return -EINVAL; +#endif return skb_ensure_writable(skb, write_len); } |