sctp: pass a kernel pointer to sctp_setsockopt_auth_chunk (88266d31) · Commits · 戴 / test

net/sctp/socket.c

+4 −7

Original line number	Diff line number	Diff line
		@@ -3535,21 +3535,18 @@ static int sctp_setsockopt_maxburst(struct sock *sk,
		* will only effect future associations on the socket.
		*/
		static int sctp_setsockopt_auth_chunk(struct sock *sk,
		char __user *optval,
		struct sctp_authchunk *val,
		unsigned int optlen)
		{
		struct sctp_endpoint *ep = sctp_sk(sk)->ep;
		struct sctp_authchunk val;

		if (!ep->auth_enable)
		return -EACCES;

		if (optlen != sizeof(struct sctp_authchunk))
		return -EINVAL;
		if (copy_from_user(&val, optval, optlen))
		return -EFAULT;

		switch (val.sauth_chunk) {
		switch (val->sauth_chunk) {
		case SCTP_CID_INIT:
		case SCTP_CID_INIT_ACK:
		case SCTP_CID_SHUTDOWN_COMPLETE:
		@@ -3558,7 +3555,7 @@ static int sctp_setsockopt_auth_chunk(struct sock *sk,
		}

		/* add this chunk id to the endpoint */
		return sctp_auth_ep_add_chunkid(ep, val.sauth_chunk);
		return sctp_auth_ep_add_chunkid(ep, val->sauth_chunk);
		}

		/*
		@@ -4699,7 +4696,7 @@ static int sctp_setsockopt(struct sock *sk, int level, int optname,
		retval = sctp_setsockopt_maxburst(sk, kopt, optlen);
		break;
		case SCTP_AUTH_CHUNK:
		retval = sctp_setsockopt_auth_chunk(sk, optval, optlen);
		retval = sctp_setsockopt_auth_chunk(sk, kopt, optlen);
		break;
		case SCTP_HMAC_IDENT:
		retval = sctp_setsockopt_hmac_ident(sk, optval, optlen);