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linux-next/net/can
Oliver Hartkopp b5f020f82a can: isotp: tx-path: zero initialize outgoing CAN frames
Commit d4eb538e1f ("can: isotp: TX-path: ensure that CAN frame flags are
initialized") ensured the TX flags to be properly set for outgoing CAN
frames.

In fact the root cause of the issue results from a missing initialization
of outgoing CAN frames created by isotp. This is no problem on the CAN bus
as the CAN driver only picks the correctly defined content from the struct
can(fd)_frame. But when the outgoing frames are monitored (e.g. with
candump) we potentially leak some bytes in the unused content of
struct can(fd)_frame.

Fixes: e057dd3fc2 ("can: add ISO 15765-2:2016 transport protocol")
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://lore.kernel.org/r/20210319100619.10858-1-socketcan@hartkopp.net
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2021-03-20 20:21:35 +01:00
..
j1939 net: introduce CAN specific pointer in the struct net_device 2021-02-24 14:32:15 -08:00
af_can.c net: introduce CAN specific pointer in the struct net_device 2021-02-24 14:32:15 -08:00
af_can.h can: introduce CAN midlayer private and allocate it automatically 2019-09-04 13:29:14 +02:00
bcm.c can: remove obsolete version strings 2020-10-12 10:06:39 +02:00
gw.c can: gw: fix typo 2021-01-27 10:01:46 +01:00
isotp.c can: isotp: tx-path: zero initialize outgoing CAN frames 2021-03-20 20:21:35 +01:00
Kconfig net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
Makefile can: add ISO 15765-2:2016 transport protocol 2020-10-07 23:18:33 +02:00
proc.c net: introduce CAN specific pointer in the struct net_device 2021-02-24 14:32:15 -08:00
raw.c can: raw: return -ERANGE when filterset does not fit into user space buffer 2021-01-06 15:15:41 +01:00