diff options
| author | Michal Luczaj <mhal@rbox.co> | 2024-10-13 19:26:39 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-11-01 04:02:31 +0300 |
| commit | 25784f48c549d93116946cc732306a733dff62c9 (patch) | |
| tree | 48c8426ae6240559a17611b99f3262249919a9b4 /include | |
| parent | 3955b77494c3c7d14873b1db67e7e00c46a714db (diff) | |
| download | linux-25784f48c549d93116946cc732306a733dff62c9.tar.xz | |
bpf, sockmap: SK_DROP on attempted redirects of unsupported af_vsock
[ Upstream commit 9c5bd93edf7b8834aecaa7c340b852d5990d7c78 ]
Don't mislead the callers of bpf_{sk,msg}_redirect_{map,hash}(): make sure
to immediately and visibly fail the forwarding of unsupported af_vsock
packets.
Fixes: 634f1a7110b4 ("vsock: support sockmap")
Signed-off-by: Michal Luczaj <mhal@rbox.co>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20241013-vsock-fixes-for-redir-v2-1-d6577bbfe742@rbox.co
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/sock.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 2d4149075091..f127fc268a5e 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2715,6 +2715,11 @@ static inline bool sk_is_stream_unix(const struct sock *sk) return sk->sk_family == AF_UNIX && sk->sk_type == SOCK_STREAM; } +static inline bool sk_is_vsock(const struct sock *sk) +{ + return sk->sk_family == AF_VSOCK; +} + /** * sk_eat_skb - Release a skb if it is no longer needed * @sk: socket to eat this skb from |