This is a note to let you know that I've just added the patch titled
can: isotp: isotp_recvmsg(): use sock_recv_cmsgs() to get SOCK_RXQ_OVFL infos
to the 6.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
can-isotp-isotp_recvmsg-use-sock_recv_cmsgs-to-get-sock_rxq_ovfl-infos.patch
and it can be found in the queue-6.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 0145462fc802cd447ef5d029758043c7f15b4b1e Mon Sep 17 00:00:00 2001
From: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
Date: Thu, 30 Mar 2023 19:02:48 +0200
Subject: can: isotp: isotp_recvmsg(): use sock_recv_cmsgs() to get SOCK_RXQ_OVFL infos
From: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
commit 0145462fc802cd447ef5d029758043c7f15b4b1e upstream.
isotp.c was still using sock_recv_timestamp() which does not provide
control messages to detect dropped PDUs in the receive path.
Fixes: e057dd3fc20f ("can: add ISO 15765-2:2016 transport protocol")
Signed-off-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
Link: https://lore.kernel.org/all/20230330170248.62342-1-socketcan@xxxxxxxxxxxx
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/can/isotp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/can/isotp.c
+++ b/net/can/isotp.c
@@ -1125,7 +1125,7 @@ static int isotp_recvmsg(struct socket *
if (ret < 0)
goto out_err;
- sock_recv_timestamp(msg, sk, skb);
+ sock_recv_cmsgs(msg, sk, skb);
if (msg->msg_name) {
__sockaddr_check_size(ISOTP_MIN_NAMELEN);
Patches currently in stable-queue which might be from socketcan@xxxxxxxxxxxx are
queue-6.2/can-isotp-isotp_recvmsg-use-sock_recv_cmsgs-to-get-sock_rxq_ovfl-infos.patch
queue-6.2/can-isotp-isotp_ops-fix-poll-to-not-report-false-epollout-events.patch
queue-6.2/can-isotp-fix-race-between-isotp_sendsmg-and-isotp_release.patch
