Zhang Changzhong fe915dbd0f can: j1939: j1939_tp_cmd_recv(): check the dst address of TP.CM_BAM ... commit 164051a6ab5445bd97f719f50b16db8b32174269 upstream. The TP.CM_BAM message must be sent to the global address [1], so add a check to drop TP.CM_BAM sent to a non-global address. Without this patch, the receiver will treat the following packets as normal RTS/CTS transport: 18EC0102#20090002FF002301 18EB0102#0100000000000000 18EB0102#020000FFFFFFFFFF [1] SAE-J1939-82 2015 A.3.3 Row 1. Fixes: 9d71dd0c70 ("can: add support of SAE J1939 protocol") Link: https://lore.kernel.org/all/1635431907-15617-4-git-send-email-zhangchangzhong@huawei.com Cc: stable@vger.kernel.org Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com> Acked-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-12-08 09:01:08 +01:00
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j1939	can: j1939: j1939_tp_cmd_recv(): check the dst address of TP.CM_BAM	2021-12-08 09:01:08 +01:00
Kconfig	can: add support of SAE J1939 protocol	2019-09-04 14:22:33 +02:00
Makefile	can: add support of SAE J1939 protocol	2019-09-04 14:22:33 +02:00
af_can.c	net: introduce CAN specific pointer in the struct net_device	2021-04-07 14:47:41 +02:00
af_can.h	can: introduce CAN midlayer private and allocate it automatically	2019-09-04 13:29:14 +02:00
bcm.c	can: bcm: delay release of struct bcm_op after synchronize_rcu()	2021-07-14 16:53:04 +02:00
gw.c	can: gw: synchronize rcu operations before removing gw job entry	2021-07-14 16:53:04 +02:00
proc.c	net: introduce CAN specific pointer in the struct net_device	2021-04-07 14:47:41 +02:00
raw.c	can: raw: raw_setsockopt(): fix raw_rcv panic for sock UAF	2021-08-04 12:27:38 +02:00