Note that tcp_getsockopt and tcp_setsockopt support TCP_ULP, while bpf_getsockopt and bpf_setsockopt do not support TCP_ULP. I'm not sure why there is such a difference, but I noticed that tcp_setsockopt is called in bpf_setsockopt.I think we can add the handling of this case. Signed-off-by: zhangmingyi <zhangmingyi5@xxxxxxxxxx> --- net/core/filter.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/core/filter.c b/net/core/filter.c index 713d6f454df3..bdb5c43d6fb0 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -5380,6 +5380,7 @@ static int sol_tcp_sockopt(struct sock *sk, int optname, case TCP_CONGESTION: return sol_tcp_sockopt_congestion(sk, optval, optlen, getopt); case TCP_SAVED_SYN: + case TCP_ULP: if (*optlen < 1) return -EINVAL; break; -- 2.43.0
