This is a note to let you know that I've just added the patch titled
rxrpc: Fix send in rxrpc_send_data_packet()
to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: rxrpc-fix-send-in-rxrpc_send_data_packet.patch and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Thu Mar 8 06:55:02 PST 2018
From: David Howells dhowells@redhat.com Date: Thu, 22 Feb 2018 14:38:14 +0000 Subject: rxrpc: Fix send in rxrpc_send_data_packet()
From: David Howells dhowells@redhat.com
[ Upstream commit 93c62c45ed5fad1b87e3a45835b251cd68de9c46 ]
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: 5a924b8951f8 ("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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/rxrpc/output.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/rxrpc/output.c +++ b/net/rxrpc/output.c @@ -391,7 +391,7 @@ 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,
Patches currently in stable-queue which might be from dhowells@redhat.com are
queue-4.9/rxrpc-fix-send-in-rxrpc_send_data_packet.patch