Commit e25879b7 authored by Zhang Changzhong's avatar Zhang Changzhong Committed by Zheng Zengkai
Browse files

can: j1939: j1939_xtp_rx_dat_one(): cancel session if receive TP.DT with error length

stable inclusion
from stable-5.10.76
commit 5abc9b9d3ca5df054aaabd10f9d99ebf5ffadeef
bugzilla: 182988 https://gitee.com/openeuler/kernel/issues/I4IAHF

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=5abc9b9d3ca5df054aaabd10f9d99ebf5ffadeef

--------------------------------

commit 37974398 upstream.

According to SAE-J1939-21, the data length of TP.DT must be 8 bytes, so
cancel session when receive unexpected TP.DT message.

Fixes: 9d71dd0c ("can: add support of SAE J1939 protocol")
Link: https://lore.kernel.org/all/1632972800-45091-1-git-send-email-zhangchangzhong@huawei.com


Cc: stable@vger.kernel.org
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
Acked-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarChen Jun <chenjun102@huawei.com>
Acked-by: default avatarWeilong Chen <chenweilong@huawei.com>

Signed-off-by: default avatarChen Jun <chenjun102@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent c0876d05
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