diff options
| -rw-r--r-- | net/core/filter.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index 90383860e224..883975fa4ed1 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -2784,19 +2784,8 @@ static bool __is_valid_access(int off, int size) switch (off) { case offsetof(struct __sk_buff, cb[0]) ... offsetof(struct __sk_buff, cb[4]) + sizeof(__u32) - 1: - if (size == sizeof(__u16) && - off > offsetof(struct __sk_buff, cb[4]) + sizeof(__u16)) - return false; - if (size == sizeof(__u32) && - off > offsetof(struct __sk_buff, cb[4])) - return false; - if (size == sizeof(__u64) && - off > offsetof(struct __sk_buff, cb[2])) - return false; - if (size != sizeof(__u8) && - size != sizeof(__u16) && - size != sizeof(__u32) && - size != sizeof(__u64)) + if (off + size > + offsetof(struct __sk_buff, cb[4]) + sizeof(__u32)) return false; break; default: |