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| author | Michal Luczaj <mhal@rbox.co> | 2024-10-13 18:26:39 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-11-01 01:58:24 +0100 |
| commit | 12c3e619d34aea5135367606b04c557171a0bf04 (patch) | |
| tree | 80b9b0a54ffbea4fd7abb5044d8f2bf1e1a65e9a /include | |
| parent | 9f2ccb6f3888bec45c00121ee43e4e72423b12c1 (diff) | |
| download | linux-12c3e619d34aea5135367606b04c557171a0bf04.tar.gz linux-12c3e619d34aea5135367606b04c557171a0bf04.tar.bz2 linux-12c3e619d34aea5135367606b04c557171a0bf04.zip | |
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 c3961050b8e3..e0be8bd98396 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -2826,6 +2826,11 @@ 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 |