diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/filter.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index c09a85c17496..da391e2b0788 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -9458,6 +9458,9 @@ static bool flow_dissector_is_valid_access(int off, int size, if (off < 0 || off >= sizeof(struct __sk_buff)) return false; + if (off % size != 0) + return false; + if (type == BPF_WRITE) return false; |