diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/filter.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index 47f6386fb17a..0f6854ccf894 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -6884,20 +6884,30 @@ static bool sock_addr_is_valid_access(int off, int size, case bpf_ctx_range(struct bpf_sock_addr, msg_src_ip4): case bpf_ctx_range_till(struct bpf_sock_addr, msg_src_ip6[0], msg_src_ip6[3]): - /* Only narrow read access allowed for now. */ if (type == BPF_READ) { bpf_ctx_record_field_size(info, size_default); + + if (bpf_ctx_wide_access_ok(off, size, + struct bpf_sock_addr, + user_ip6)) + return true; + + if (bpf_ctx_wide_access_ok(off, size, + struct bpf_sock_addr, + msg_src_ip6)) + return true; + if (!bpf_ctx_narrow_access_ok(off, size, size_default)) return false; } else { - if (bpf_ctx_wide_store_ok(off, size, - struct bpf_sock_addr, - user_ip6)) + if (bpf_ctx_wide_access_ok(off, size, + struct bpf_sock_addr, + user_ip6)) return true; - if (bpf_ctx_wide_store_ok(off, size, - struct bpf_sock_addr, - msg_src_ip6)) + if (bpf_ctx_wide_access_ok(off, size, + struct bpf_sock_addr, + msg_src_ip6)) return true; if (size != size_default) |