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linux/net/can/j1939
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Oliver Hartkopp 836641cc41 can: j1939: recvmsg(): allow MSG_CMSG_COMPAT flag 
commit 1db080cbdb upstream.

The control message provided by J1939 support MSG_CMSG_COMPAT but
blocked recvmsg() syscalls that have set this flag, i.e. on 32bit user
space on 64 bit kernels.

Link: https://github.com/hartkopp/can-isotp/issues/59
Cc: Oleksij Rempel <o.rempel@pengutronix.de>
Suggested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Tested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Fixes: 9d71dd0c70 ("can: add support of SAE J1939 protocol")
Link: https://lore.kernel.org/20230505110308.81087-3-mkl@pengutronix.de
Cc: stable@vger.kernel.org
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2023-05-24 17:32:49 +01:00
..
address-claim.c can: j1939: do not wait 250 ms if the same addr was already claimed 2023-02-14 19:11:42 +01:00
bus.c can: add support of SAE J1939 protocol 2019-09-04 14:22:33 +02:00
j1939-priv.h can: j1939: j1939_xtp_rx_rts_session_new(): abort TP less than 9 bytes 2021-10-17 14:12:57 +02:00
Kconfig can: add support of SAE J1939 protocol 2019-09-04 14:22:33 +02:00
main.c can: j1939: j1939_send_one(): fix missing CAN header initialization 2022-11-07 14:00:27 +01:00
Makefile can: add support of SAE J1939 protocol 2019-09-04 14:22:33 +02:00
socket.c can: j1939: recvmsg(): allow MSG_CMSG_COMPAT flag 2023-05-24 17:32:49 +01:00
transport.c can: j1939: j1939_tp_tx_dat_new(): fix out-of-bounds memory access 2023-04-13 16:55:33 +02:00