diff options
| author | Eric Dumazet <[email protected]> | 2024-01-11 19:49:15 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2024-01-12 18:14:21 -0800 |
| commit | be1d9d9d38da922bd4beeec5b6dd821ff5a1dfeb (patch) | |
| tree | 59489496e06f47a2045f6d0ca90aa2a0e64466b9 | |
| parent | c1665273bdc7c201766c65e561c06711f2e050dc (diff) | |
mptcp: use OPTION_MPTCP_MPJ_SYNACK in subflow_finish_connect()
subflow_finish_connect() uses four fields (backup, join_id, thmac, none)
that may contain garbage unless OPTION_MPTCP_MPJ_SYNACK has been set
in mptcp_parse_option()
Fixes: f296234c98a8 ("mptcp: Add handling of incoming MP_JOIN requests")
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Florian Westphal <[email protected]>
Cc: Peter Krystad <[email protected]>
Cc: Matthieu Baerts <[email protected]>
Cc: Mat Martineau <[email protected]>
Cc: Geliang Tang <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Acked-by: Paolo Abeni <[email protected]>
Reviewed-by: Mat Martineau <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
| -rw-r--r-- | net/mptcp/subflow.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index bb05477006a6..103ff5471993 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -506,7 +506,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) } else if (subflow->request_join) { u8 hmac[SHA256_DIGEST_SIZE]; - if (!(mp_opt.suboptions & OPTIONS_MPTCP_MPJ)) { + if (!(mp_opt.suboptions & OPTION_MPTCP_MPJ_SYNACK)) { subflow->reset_reason = MPTCP_RST_EMPTCP; goto do_reset; } |