Commit 93c62c45 authored Feb 22, 2018 by David Howells Committed by David S. Miller Feb 22, 2018

rxrpc: Fix send in rxrpc_send_data_packet()



All the kernel_sendmsg() calls in rxrpc_send_data_packet() need to send
both parts of the iov[] buffer, but one of them does not.  Fix it so that
it does.

Without this, short IPv6 rxrpc DATA packets may be seen that have the rxrpc
header included, but no payload.

Fixes: 5a924b89 ("rxrpc: Don't store the rxrpc header in the Tx queue sk_buffs")
Reported-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 370c1052

net/rxrpc/output.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -445,7 +445,7 @@ send_fragmentable:
		(char *)&opt, sizeof(opt));
		if (ret == 0) {
		ret = kernel_sendmsg(conn->params.local->socket, &msg,
		iov, 1, iov[0].iov_len);
		iov, 2, len);

		opt = IPV6_PMTUDISC_DO;
		kernel_setsockopt(conn->params.local->socket,

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