Re: [syzbot] [smc?] general protection fault in __smc_diag_dump (4)

Wang Liang
2025-10-17T07:40:15Z

Sorry, this is an incorrect email, please ignore it.

在 2025/10/17 14:48, Wang Liang 写道:
> diff --git a/net/smc/smc_inet.c b/net/smc/smc_inet.c
> index a944e7dcb8b9..a94084b4a498 100644
> --- a/net/smc/smc_inet.c
> +++ b/net/smc/smc_inet.c
> @@ -56,7 +56,6 @@ static struct inet_protosw smc_inet_protosw = {
> .protocol = IPPROTO_SMC,
> .prot = &smc_inet_prot,
> .ops = &smc_inet_stream_ops,
> - .flags = INET_PROTOSW_ICSK,
> };
>
> #if IS_ENABLED(CONFIG_IPV6)
> @@ -104,27 +103,15 @@ static struct inet_protosw smc_inet6_protosw = {
> .protocol = IPPROTO_SMC,
> .prot = &smc_inet6_prot,
> .ops = &smc_inet6_stream_ops,
> - .flags = INET_PROTOSW_ICSK,
> };
> #endif /* CONFIG_IPV6 */
>
> -static unsigned int smc_sync_mss(struct sock *sk, u32 pmtu)
> -{
> - /* No need pass it through to clcsock, mss can always be set by
> - * sock_create_kern or smc_setsockopt.
> - */
> - return 0;
> -}
> -
> static int smc_inet_init_sock(struct sock *sk)
> {
> struct net *net = sock_net(sk);
>
> /* init common smc sock */
> smc_sk_init(net, sk, IPPROTO_SMC);
> -
> - inet_csk(sk)->icsk_sync_mss = smc_sync_mss;
> -
> /* create clcsock */
> return smc_create_clcsk(net, sk, sk->sk_family);
> }